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Topologies of SIMATIC NET PROFIBUS Networks

2-33

PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000

2.5.7

Connecting with the DP/AS-Interface Link 20

Design

Figure 2-22

DP/AS-Interface Link 20

The DP/AS-interface link 20 consists of a small, compact casing with degree of
protection IP20. The LEDs on the front panel indicate the following:

S

AS-Interface statuses

S

Attached and active slaves and their operability

S

PROFIBUS slave address

S

PROFIBUS bus errors and diagnostics

The DP/AS-interface link 20 also has a button with which the operating mode can
be changed, with which the existing configuration can be adopted and for setting
the PROFIBUS slave address.

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Summary of Contents for SIMATIC NET PROFIBUS

Page 1: ...works 9 Testing PROFIBUS A Lightning and Surge Voltage Protection for LAN Cables Between Buildings B Installing LAN Cables C Installing Instructions for SIAMTIC NET PROFIBUS Plastic Fiber Optic with Simplex Connenctors or BFOC Connectors and Pul ling Loop for the FO Standard Cable D Installing Network Components in Cubicles E Dimension Drawings F Operating Instructions ILM OLM OBT G General Inform...

Page 2: ...afely if it is transported stored set up and installed cor rectly and operated and maintained as recommended Trademarks SIMATICR SIMATIC HMIR and SIMATIC NETR are registered trademarks of SIEMENS AG HCS is a registered trademark of Ensign Bickford Optics Company Third parties using for their own purposes any other names in this document which refer to trademarks might infringe upon the rights of t...

Page 3: ...A1 Release 2 05 2000 Symbols PROFIBUS 830 1 T connecting cable PROFIBUS 830 2 connecting cable LAN cable twisted pair Duplex FO cable Wireless transmission infrared Bus connector S7 300 S7 400 ET200S OP25 ET 200M with IM 153 2 FO PG PC OP AS i branch ...

Page 4: ...Symbols ii PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Optical link module OLM Optical bus terminal OBT Infrared link module ILM Repeater ...

Page 5: ...ogies with OLMs 2 7 2 2 3 Combination of Integrated Optical Interfaces and OLMs 2 13 2 3 Topologies of Wireless Networks 2 14 2 4 Topologies with PROFIBUS PA 2 17 2 5 Connectivity Devices 2 20 2 5 1 DP DP Coupler 2 20 2 5 2 Connecting to PROFIBUS PA 2 22 2 5 3 DP PA Coupler 2 23 2 5 4 DP PA Link 2 25 2 5 5 Connecting PROFIBUS DP to RS 232C 2 28 2 5 6 Connecting with the DP AS Interface Link 65 2 3...

Page 6: ... Application and Technical Specifications of the Bus Connector 4 33 4 4 Attaching the LAN Cable to the Bus Connector 4 37 4 4 1 Attaching the LAN Cable to Bus Connector 6ES7 972 0B 11 4 37 4 4 2 Connecting the LAN Cable to Bus Connector 6ES7 972 0BA30 0XA0 4 40 4 4 3 Connecting the LAN Cable to Bus Connector 6ES7 972 0B 40 4 42 4 5 Installing the Bus Connector with Axial Cable Outlet 4 44 4 6 Plug...

Page 7: ...er Optic Trailing Cable 7 19 7 3 4 SIENOPYR Duplex Fiber Optic Marine Cable 7 22 7 3 5 Special Cables 7 24 7 4 Fiber Optic Connectors 7 26 7 4 1 Connectors for Plastic Fiber Optic Cables 7 26 7 4 2 Simplex Connector and Adapter for Devices with Integrated Optical Interfaces 7 26 7 4 3 BFOC Connectors for OLMs 7 30 7 4 4 Connectors for Glass Fiber Cables 7 30 8 Active Components for Optical Network...

Page 8: ...otential Bonding C 10 C 5 Routing Electrical LAN Cables C 13 C 5 1 Cable Categories and Clearances C 13 C 5 2 Cabling within Closets C 16 C 5 3 Cabling within Buildings C 16 C 5 4 Cabling outside Buildings C 17 C 5 5 Special Noise Suppression Measures C 18 C 6 Electromagnetic Compatibility of Fiber Optic Cables C 20 C 7 Installing LAN Cables C 21 C 7 1 Instructions for Installing Electrical and Op...

Page 9: ...imension Drawings Infrared Link Module ILM F 11 F 8 Dimension Drawings Optical Link Module OLM F 12 G Operating Instructions ILM OLM OBT G 1 H General Information H 1 H 1 Abbreviations Acronyms H 1 I References I 1 J SIMATIC NET Support and Training J 1 Glossary Glossary 1 Index Index 1 ...

Page 10: ...Contents viii PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 11: ...PROFIBUS NETWORKS 1 ...

Page 12: ... means that a complex control task is divided into smaller handier subtasks with distributed control systems As a result efficient communication between the distributed systems is an absolute necessity Such structures have for example the following advantages S Independent and simultaneous startup of individual sections of plant system S Smaller clearer programs S Parallel processing by distribute...

Page 13: ... stations and personal computers SIMATIC NET includes the following S The communication network consisting of transmission media network attachment and transmission components and the corresponding transmission techniques S Protocols and services used to transfer data between the devices listed above S The modules of the programmable controller or computer that provide the connection to the LAN co...

Page 14: ... fiber optic cable AS Interface The actuator sensor interface AS i is a communication network for automation at the lowest level for connecting binary actuators and sensors to programmable logic controllers via the AS i bus cable PROFIBUS A communication network for the cell and field area complying with EN 50170 1 2 with the hybrid medium access technique token bus and master slave Networking is ...

Page 15: ...S7 M7 C7 programmable controllers S ET 200 distributed I O system S SIMATIC programming devices PCs S SIMATIC operator control and monitoring devices or systems S SICOMP IPCs S SINUMERIK CNC numerical controls S SIMODRIVE sensors S SIMOVERT master drives S SIMADYN D digital control system S SIMOREG S Micro Midimasters S SIPOS reversing power controllers actuators S SIPART industry process controll...

Page 16: ...n be implemented with the following S Shielded twisted pair cables characteristic impedance 150 Ω S Shielded twisted pair cables intrinsically safe with PROFIBUS PA S Fiber optic cables S Wireless infrared technology The various communication networks can be used independently or if required can also be combined with each other ...

Page 17: ...IA RS 485 1983 Standard for Electrical Characteristics of Generators and Receivers for Use in Balanced Digital Multipoint Systems SIMATIC NET PROFIBUS PA is based on the following standards and directives EN 50170 1 2 1996 General Purpose Field Communication System Volume 2 Physical Layer Specification and Service Definition IEC 61158 2 1993 Fieldbus standard for use in industrial control systems ...

Page 18: ... PROFIBUS corresponds to the method specified in EN 50170 Volume 2 Token Bus for active and Master Slave for passive stations Slave Master Token rotation logical ring Slave passive node Logical token ring Master slave relationship Master Master Master Master Master active node Slave Slave Slave Slave Figure 1 1 Principle of the PROFIBUS Medium Access Technique ...

Page 19: ...to send one high priority message If the node does not have a message to send it passes the token directly to the next node in the logical ring The token timers from which the maximum token holding time is calculated are configured for all active nodes S If an active node has the token and if it has connections configured to passive nodes master slave connections the passive nodes are polled for e...

Page 20: ...istic impedance Such a terminated bus cable is known as a segment The attachment of the node to the bus is via a bus terminal with a tap line or a bus connector maximum 32 nodes per segment The individual segments are interconnected by repeaters The maximum length of a segment depends on the following S The transmission rate S The type of cable being used Advantages S Flexible bus or tree structur...

Page 21: ...on rates up to 187 5 Kbps 400 m For a transmission rate of 500 Kbps 200 m For a transmission rate of 1 5 Mbps Mbps 100 m For transmission rates of 3 6 and 12 Mbps Number of repeaters con nected in series Maximum 9 Number of nodes Maximum 32 on one bus segment Maximum 127 per network when using repeaters Transmission rates 9 6 Kbps 19 2 Kbps 45 45 Kbps 93 75 Kbps 187 5 Kbps 500 Kbps 1 5 Mbps 3 Mbps...

Page 22: ...al ports and optical bus terminals OBTs can be interconnected to form optical networks only with a bus structure Using OLMs optical networks can be installed using a bus star and ring structure The ring structure provides a redundant signal transmission path and represents the basis for networks with high availability Advantages S Regardless of the transmission rate large distances can be covered ...

Page 23: ...e with integrated optical ports and OBT bus star or ring structure with OLMs Medium Fiber optic cables with glass PCF or plastic fibers Link lengths point to point With glass fibers up to 15 000 m dependent on the fiber and OLM type with plastic fibers OLM 0 m to 80 m OBT 1 m to 50 m Transmission rate 9 6 Kbps 19 2 Kbps 45 45 Kbps 93 75 Kbps 187 5 Kbps 500 Kbps 1 5 Mbps 3 Mbps 6 Mbps 12 Mbps Numbe...

Page 24: ...pling from the fixed network with no wear and tear for example substitute for a slip ring S Coupling without cable installation temporary setup inaccessible areas S Not protocol dependent S Electrical isolation between nodes and hardwired network Restrictions S Transmission rate 1 5 Mbps S Free line of sight path required between nodes S Maximum distance covered 15 m S Only for single master netwo...

Page 25: ...so used to supply power to the field devices Advantages S Simple cabling with twisted pair S Remote power supply via the signal cores S Intrinsically safe operation possible for hazardous areas S Bus and tree topology S Up to 32 nodes per cable segment Restrictions S Transmission rate restricted to 31 25 Kbps Characteristics of the IEC 61158 2 Transmission Technique The main characteristics of the...

Page 26: ...PROFIBUS NETWORKS 1 16 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 27: ...2 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Topologies of SIMATIC NET PROFIBUS Networks 2 ...

Page 28: ... SIMATIC NET PROFIBUS cables described in Chapter 4 The technical information below applies only to networks implemented with these cables and SIMATIC NET PROFIBUS components Node Attachment The nodes are attached to the LAN cables via bus connectors bus terminals or RS 485 repeaters Cable Termination Each bus segment must be terminated at both ends with its characteristic impedance This cable ter...

Page 29: ... structures can be implemented Figure 2 1 shows a typical topology using the RS 485 technique with 3 segments and 2 repeaters Terminating resistor activated PG attached via tap line 6ES7 901 4BD00 0XA0 for maintenance purposes RS 485 repeater RS 485 repeater S7 400 S7 300 S7 300 S7 400 S7 400 Tap line OP 25 PG OP 25 OP 25 PG Figure 2 1 Topology Using the RS 485 Technique Increasing the overall spa...

Page 30: ...12 Mbps Without PG interface With PG interface 6ES7 972 0BA50 0XA0 6ES7 972 0BB50 0XA0 RS 485 bus connector with 35o cable outlet Without PG interface With PG interface 6ES7 972 0BA40 0XA0 6ES7 972 0BB40 0XA0 SIMATIC NET 830 1T connecting cable preassembled fitted with terminating resistors as link between electrical interface of an OLM or OBT and the PROFIBUS interface of a PROFIBUS node 1 5 m 3 ...

Page 31: ...interface electrical cables with fiber optic cables you have the following possibilities S The PROFIBUS nodes with a PROFIBUS DP interface RS 485 are attached to the optical network using an optical bus terminal OBT or using an optical link module OLM S PROFIBUS nodes with an integrated FO port for example ET 200M IM 153 2 FO S7 400 IM 467 FO can be connected directly to an optical network with a ...

Page 32: ...es on the side away from the DP master are no longer obtainable for the DP master PG PC OP 2 Distances between 2 nodes Plastic FO cable up to 50 m PCF FO cable up to 300 m OBT OBT S7 400 with IM 467 FO ET 200M with IM 153 2 FO S7 300 other nodes 1 1 FO cable 2 LAN cable for PROFIBUS 1 1 2 OP 25 Terminating resistor activated 2 Figure 2 2 PROFIBUS DP Network with Nodes Having Integrated FO Interfac...

Page 33: ...ROFIBUS network see Figure 2 2 The attachment is made to the RS 485 interface of the OBT using a PROFIBUS cable or a preassembled connecting cable The OBT is included in the optical PROFIBUS bus via the FO interface 2 2 2 Topologies with OLMs OLMs The OLMs have a floating electrical channel similar to the channels on a repeater and depending on the version they have one or two optical channels The...

Page 34: ... bus OLMs with one optical channel are adequate in between OLMs with two optical channels are required The DTEs are attached to the electrical interfaces of the OLMs Either individual DTEs or complete PROFIBUS segments with a maximum of 31 nodes can be connected to the RS 485 interface 2 2 Bus connector ET 200S PG OP 25 Terminating resistor activated ET 200M 1 FO cable 2 LAN cable for PROFIBUS 3 P...

Page 35: ...2 bus attachments per segment is reached PG S7 400 OP 25 Terminating resistor activated Star hub 1 FO cable 2 LAN cable for PROFIBUS 4 PROFIBUS 830 2 connecting cable 4 2 1 2 2 2 1 4 S7 400 Figure 2 4 Example of a Star Topology with OLMs Optical Channels The OLMs are connected to the star coupler by duplex fiber optic cables Both DTEs and electrical bus segments can be connected to the OLMs attach...

Page 36: ...er The remaining network can continue to work without problems Mixed Structure The star coupler can be made up with combinations of OLM P OLM G and OLM G 1300 modules and at the RS 485 end with all types Redundant Optical Rings using OLMs Redundant optical rings are a special form of bus topology By closing the optical bus to form a ring a high degree of operational reliability is achieved Path 1 ...

Page 37: ... fails only the DTEs or electrical segments attached to the module are separated from the ring the remaining network remains operational as a bus The problem is indicated by LEDs on the modules involved and by their signaling contacts After the problem is eliminated the modules involved cancel the segmentation automatically and the bus is once again closed to form a ring Note To increase the avail...

Page 38: ...o long a structure as shown in Figure 2 6 can be implemented OP 25 S7 400 PG OP 25 ET 200M PG PC OP S7 400 PG ET 200M PG PC OP 1 FO cable 2 LAN cable for PROFIBUS 3 PROFIBUS 830 1T connecting cable 4 PROFIBUS 830 2 connecting cable 2 3 4 4 4 4 4 4 2 3 1 1 1 1 1 1 1 1 1 1 Terminating resistor activated 1 1 Figure 2 6 Alternative Cabling of a Network Structure in an Optical Two Fiber Ring Topology ...

Page 39: ... the use of plastic or PCF fibers The direct attachment of glass FO cables is not possible If a link with glass FO cable is required for example to span distances of more than 300 m this link must be implemented with OLMs The attachment of glass links to the optical bus made up of integrated optical interfaces is via the RS 485 interface of an OBT The following schematic shows an example of an app...

Page 40: ...ared light used for data transmission is radiated at an angle of 10o around the mid axis This means that at a distance of 11 m an ILM illuminates a circular area with a diameter of 4 m The communication partner must be within this illuminated area There must be an uninterrupted line of sight path between both ILMs The ILMs are suitable for transmission rates of 9 6 Kbps to 1 5 Mbps Point to Point ...

Page 41: ... two PROFIBUS ILMs The two PROFIBUS ILMs replace a cable connection between the two network segments Remember that only slave nodes are permitted in the slave network segment Point to Multipoint Link Several ILMs are positioned opposite to a single ILM so that several ILMs are in the infrared light cone of another ILM Only the ILMs positioned opposite each other can exchange data A data exchange b...

Page 42: ...ROFIBUS slave network segment 2 Infrared link 3 0 5 to 15 m PROFIBUS slave network segment 3 ILM ILM ILM ILM Slave ET 200M Terminating resistor activated Slave S7 300 Slave ET 200M Slave S7 300 Slave ET 200M Master OP 25 Master S7 400 Master PG PC OP 2 2 2 2 2 2 2 2 2 2 LAN cable for PROFIBUS Slave ET 200S Figure 2 10 Point to Multipoint Link Using PROFIBUS ILMs One Master Subnet Three Subnets wit...

Page 43: ...he tap can be extended to become the segment terminator PROFIBUS DP PROFIBUS PA 24 V DC DP PA coupler bus terminator integrated Distributor made up of T taps Bus T tap Star Main cable Tap line T tap with integrated bus terminator Tap line Field devices attached via M12 connector Figure 2 11 Bus and Star Topology Field Device Power Supply via PROFIBUS PA When using the DP PA bus coupler the power f...

Page 44: ... Field Device Power Supply in the Hazardous and Non Hazardous Area Expansion If the maximum output current of the DP PA coupler is exceeded you must include a further DP PA coupler Total Cable The total cable is the total of the main cable and all the tap lines When using a standard PROFIBUS PA cable with a cross sectional area of 0 8 mm2 the maximum length of the total cable with a maximum number...

Page 45: ...ET 6GK1970 5CA20 0AA1 Release 2 05 2000 Table 2 2 Tap Line Lengths for DP PA Couplers Number of tap lines Maximum length of the tap line DP PA coupler DP PA coupler Ex i 1 to 12 max 120 m max 30 m 13 to 14 max 90 m max 30 m 15 to 18 max 60 m max 30 m 19 to 24 max 30 m max 30 m ...

Page 46: ... to 244 bytes is transmitted from the DP master of a first network to the DP master of another network and vice versa This principle corresponds to the hardware wiring of inputs and outputs The coupler has two independent DP interfaces with which it attaches to the two DP networks The DP DP coupler is a slave attached to the DP networks The data exchange between the two DP networks involves intern...

Page 47: ...r PG PC OP Slave ET 200M Slave ET 200M DP DP COUPLER SIEMENS Master S7 300 Terminating resistor activated 2 2 2 2 2 2 2 LAN cable for PROFIBUS Figure 2 14 Configuration Example of the DP DP Coupler How the DP DP Coupler Works The DP DP coupler permanently copies output data of one network to the input data of the other network and vice versa Parameter Assignment The PROFIBUS DP addresses are set u...

Page 48: ...s the process control systems with the field devices of the process automation PA The DP PA bus coupler is made up of the following modules S DP PA Coupler Ex i 6ES7 157 0ADx0 0XA0 S DP PA Coupler 6ES7 157 0ACx0 0XA0 S DP PA Link IM 157 6ES7 157 0AA80 0XA0 To implement a DP PA link in redundant operation you also require the following S Bus module BM IM 157 for 2 x IM 157 6ES7 195 7HE80 0XA0 S Bus...

Page 49: ...ol for parameter assign ment Industrial Ethernet PDM or other tool for parame ter assignment Cell level Figure 2 15 Linking the DP PA Coupler into the System Uses of the DP PA Coupler The DP PA coupler is available in two versions S DP PA coupler Ex i You can attach all field devices certified for PROFIBUS PA and that are located within the hazardous area S DP PA coupler You can attach all field d...

Page 50: ...ia II C S Intrinsic safety S Integrated intrinsically safe power supply unit and integrated barrier The DP PA coupler Ex i 6ES7 157 0AD80 0XA0 has the following characteristics that differ from the DP PA coupler EX i 6ES7 157 0AD00 0XA0 S Type of protection EEx ib II C S Extended environmental conditions SIMATIC outdoor Configuring the DP PA Coupler S The DP PA coupler can be used in SIMATIC S5 an...

Page 51: ...mission rates of 9 6 Kbps to 12 Mbps The DP PA link can only be used in SIMATIC S7 Figure 2 16 below shows where the DP PA link fits in PROFIBUS DP ET200X Field level Industrial Ethernet IM 157 DP PA coupler 1 2 3 4 5 PROFIBUS PA Field devices of PROFIBUS PA Programming Operating and Monitoring SIMATIC PCS 7 or other tool for parameter assign ment PDM or other tool for para meter assignment DP PA ...

Page 52: ...7 shows how the DP PA link with the IM 157 and the DP PA couplers functions S The DP PA link maps the underlying PROFIBUS PA system on a DP slave S With the DP PA link PROFIBUS DP is completely isolated from PROFIBUS PA S The PA master and PA slaves form a separate underlying bus system S The number of DP PA couplers simply reflects the amount of current required All DP PA couplers along with the ...

Page 53: ...imum of 31 PA field devices in a PROFIBUS PA system S Only one device supplying power DP PA coupler can be connected in a physical PROFIBUS PA segment S A maximum of 31 PA field devices can be attached to a DP PA link The maximum number of attachable PA field devices per physical PROFIBUS PA segment or per DP PA coupler is limited by the maximum output current of the DP PA coupler and the I O data...

Page 54: ...P RS 232C Link for PROFIBUS DP The DP RS 232C link consists of a compact 70 mm housing for standard rail mounting Ideally the module should be installed vertically The modules can be inserted one beside the other without gaps being necessary The module is attached to PROFIBUS DP via a 9 pin sub D female connector The RS 232C interface is implemented as a 9 pin sub D connector ...

Page 55: ...he procedures 3964 R and free ASCII protocol Configuration with STEP 7 Master S7 400 SIEMENS DP RS 232C Link Device PROFIBUS DP RS 232C Serial procedure PROFIBUS LAN cable Figure 2 19 Example of a Configuration with DP RS 232C Link How the DP RS 232C Link Works The PROFIBUS DP RS 232C link is connected with the device over a point to point connection The PROFIBUS DP RS 232C link converts to the PR...

Page 56: ...m die cast casing with the degree of protection IP 65 In terms of water tightness it complies with the standard Enclosures for Electrical Equipment UL 50 Type 4 and is suitable for temperatures from 25 C to 60 C On the casing there are diagnostic LEDs for PROFIBUS DP and the AS interface The node address for PROFIBUS DP can be set using DIL switches or using an EEPROM To set the address using the ...

Page 57: ... frames with a length of 32 bytes The DP AS interface link 65 allows the actuator sensor interface to be used as a subnet for PROFIBUS DP You can therefore combine the advantages of PROFIBUS DP and AS interface in a common bus system Branch AS i power supply Active modules with slave ASIC Passive modules without slave ASIC AS i cable Actuator sensor with slave ASIC Field level networking with PROF...

Page 58: ...s the DP AS interface link has the functionality of an AS interface master towards the AS interface and the functionality of a PROFIBUS DP slave towards PROFIBUS DP Up to 31 DP AS interface slaves can be attached to the DP AS interface link The DP AS interface link is therefore a modular slave with up to 31 modules from the point of view of PROFIBUS DP Parameter Assignment Like all other component...

Page 59: ...onsists of a small compact casing with degree of protection IP20 The LEDs on the front panel indicate the following S AS Interface statuses S Attached and active slaves and their operability S PROFIBUS slave address S PROFIBUS bus errors and diagnostics The DP AS interface link 20 also has a button with which the operating mode can be changed with which the existing configuration can be adopted an...

Page 60: ...ROFIBUS DP and the AS interface The DP AS interface link 20 allows system attachment of the following S PROFIBUS DP master for example CP 342 5 for S7 300 CP 443 5 extended for S7 400 CP 5431 FMS DP or IM 308C for SIMATIC S5 CP 5412 A2 for PC or CP 5611 CP 5511 for PCs with DP SOFTNET software S Other systems with DP master functionality Branch AS i power supply Active modules with slave ASIC Pass...

Page 61: ...rface link 20 can be used in the AS interface standard mode M2 In this mode the data bits of the slaves are accessible The following master calls are supported S Change address S Write parameters S Read configuration data S Set configuration mode S Configure actual configuration Parameter Assignment The DP AS interface link 20 is supported by STEP 7 V4 1 and higher and COM PROFIBUS V 3 2 and highe...

Page 62: ...ection between the high performance of the PROFIBUS components and the extreme flexibility of the instabus EIB system The DP EIB link is a DP slave complying with EN 50170 and at the same time a node on the instabus EIB The displays and operating controls are as follows S LED for EIB bus errors S LED for PROFIBUS bus errors S LED for power supply OK S Coding switch for the PROFIBUS address S Progr...

Page 63: ...ol and monitoring of heating systems S Ventilation air conditioning and S Energy management and optimization Industrial Automation In this case we assume that PROFIBUS exists and that you would like to include the electrical components of an assembly line plant or production building in the automation The main emphasis here is the equipment of industrial buildings themselves Applications include f...

Page 64: ...ofiles are available that allow the user to adapt the DP EIB link to the relevant application and to make optimum use of the memory resources of the DP master You configure the system in other words set a profile via PROFIBUS using for example STEP 7 or COM PROFIBUS The number of data objects specified by the selected profile can be assigned to the required instabus EIB components with the instabu...

Page 65: ...standard tools STEP 7 or COM PROFIBUS and on the instabus EIB using the configuration software ETS 2 S DP A GSD file is supplied with the manual The DP slave address is set with a coding switch on the DP EIB link S instabus EIB The database entry of the DP EIB link for instabus EIB configuration software ETS 2 is supplied with the DP EIB manual For further details refer to the DP EIB link manual ...

Page 66: ...Topologies of SIMATIC NET PROFIBUS Networks 2 40 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 67: ...Configuring Networks 3 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Configuring Networks 3 ...

Page 68: ...nectors connecting cables S The LAN cables to be used S The required segment lengths S The electromagnetic and mechanical environment of the cabling for example surge voltage protection cable route S The number of RS 485 repeaters between any two DTEs is limited to a maximum of 9 S Increasing the overall span of a network by using repeaters can lead to longer transmission times that may need to be...

Page 69: ...bps Transmission Rates up to a Maximum of 500 Kbps The following maximum segment lengths can be implemented with the SIMATIC NET PROFIBUS LAN cables Table 3 1 Possible Segment Lengths Segment Length for Cable Type Transmission Rate in Kbps FC Standard Cable FC Robust Cable FC FRNC Cable FC Food Cable FC Underground Cable SIENOPYR FR Marine Cable FC Trailing Cable PROFIBUS Flexible Cable PROFIBUS F...

Page 70: ...0 10 3 1 2 Segments for a Transmission Rate of 1 5 Mbps Transmission Rate 1 5 Mbps The following maximum segment length can be implemented with the SIMATIC NET PROFIBUS LAN cable Table 3 3 Possible Segment Lengths Segment Length for Cable Type Transmission Rate in Kbps FC Standard Cable FC Robust Cable FC FRNC Cable FC Food Cable FC Underground Cable SIENOPYR FR Marine Cable FC Trailing Cable PROF...

Page 71: ...0BA00 Version 2 2 5 Bus connector with 30 cable outlet Order no 6ES7 972 0BA30 0XA0 0 7 Bus connector with axial cable outlet Order no 6GK1 500 0EA02 Bus connector with axial cable outlet for FastConnect system Order no 6GK1 500 0FC00 Bus connector with 90 cable outlet Order no 6ES7 972 0BA11 0XA0 Bus connector with 90 cable outlet with PG interface Order no 6ES7 972 0BB11 0XA0 Bus connector with ...

Page 72: ...the values of the connection elements can be ignored 3 2 If the distance between adjacent connections elements is greater than the sum of the two values of the elements in meters the layout is not critical and no additional conditions need to be taken into account The value of the PG connecting cable SIMATIC S5 S7 connecting cable 12 Mbps must be added to the value of the corresponding connection ...

Page 73: ...DTEs If a bus terminal or a bus connector has a PG inter face a connected PG connecting cable must be taken into account when calculating the values Bus cable e g 5 m V 1 5 1 0 0 1 2 6 5 m 2 6 m sum of the values in meters 5 m V 1 0 V 1 5 V 0 1 S7 400 S7 300 Take the values of a group into account if the sum of the values is greater than the LAN cable bet ween the DTEs Elements can be close to eac...

Page 74: ...count S To attach DTEs to bus segments only the bus connectors permitted for 12 Mbps or the BT12M bus terminal can be used S The maximum length of a segment must not exceed 100 m S The maximum number of bus attachments nodes OLMs RS 485 repeaters in one segment is restricted to 32 S To attach a programming device or PC via a tap line only the SIMATIC S5 S7 connecting cable 12 Mbps order no 6ES7901...

Page 75: ...egments can be connected together using RS 485 repeaters to form a network Figure 3 1 illustrates how several segments can be connected together with repeaters to create a network The RS 485 repeaters support all transmission rates from 9 6 Kbps to 12 Mbps Terminating resistor activated RS 485 repeater ET200S ET200M OP 25 PG OP 25 OP 25 S7 300 OP 25 OP 25 OP 25 S7 300 S7 300 ET200M ET200S Figure 3...

Page 76: ... maximum segment length for the transmission rate must be adhered to see Table 3 1 Table 3 3 Table 3 6 S The maximum number of bus attachments nodes OLMs RS 485 repeaters in one segment is restricted to 32 There may be further restrictions at a transmission rate of 1 5 Mbps see Section 3 1 2 S The maximum number of nodes in one network is limited to 127 S A maximum of 9 RS 485 repeaters can be ins...

Page 77: ...S Using fiber optic cables only point to point links can be established S The maximum signal attenuation of the transmission path the power budget must be within the permitted values S The minimum or maximum permitted transmission rates of the components only one uniform transmission rate can be used in a network S The cascading rules for the components used S The maximum permitted number of nodes...

Page 78: ... analog Optical fiber Power supply Attenuation transmission path Figure 3 2 Structure of a Link Transmitter The transmitter in an optical digital transmission system consists of a signal converter that converts the digital signals from the electronics in to a pulse type suitable for the electro optical converter and an electro optical converter E O converter that converts the electric pulses to op...

Page 79: ...ical pulses received from the diode into signals compatible with the connected electronics Attenuation The attenuation of the transmission path is determined by the following factors S The choice of optical fiber S The wavelength of the transmit diodes S The type of connector S With glass optical fibers the number of splices including repair splices S The length of the optical fiber cable length S...

Page 80: ... mW 0 dBm 1 µW 30 dBm Transmitter Depending on the fiber being used the minimum and maximum optical power that can be coupled into a fiber is specified This power is reduced by the attenuation of the connected transmission path resulting from the fiber itself length absorption scattering wavelength and the connectors used Receiver The receiver is characterized by its optical sensitivity and its dy...

Page 81: ...ttenuation They are installed in one piece Fiber optic connections with couplers or splices should not be considered since they further reduce the distance that can be covered The maximum permitted cable lengths are listed in Tables 3 7 and 3 8 Glass FO Cables Glass FO cables can span distances in the kilometer range It is often not possible to install cables over such distances in one piece The f...

Page 82: ...rted up since components are normally better than their rated performance particularly when brand new but due to aging replacement of components as a result of repairs and changing environmental conditions the bit error rate will tend to rise to an unreliable level the longer the equipment is in use Note To avoid possible errors during the installation of the transmission path when installing glas...

Page 83: ...rk 32 nodes in m Plastic fiber optic duplex cord 50 1550 Plastic fiber optic standard cable 50 1550 PCF fiber optic standard cable 300 9300 Table 3 8 Permitted Cable Lengths in an OLM Network Fiber optic cable SIMATIC NET PROFIBUS Maximum cable lengths between two nodes in m For 1 Network 32 nodes in m Plastic fiber optic duplex cord 50 1550 Plastic fiber optic standard cable 80 2480 PCF fiber opt...

Page 84: ...s one with OLM G11 OLM G12 at a wavelength of 860 nm and one with OLM G11 1300 and OLM G12 1300 at a wavelength of 1300 nm Note Please note that the information on fiber attenuation in the data sheets and type specifications of fiber optic cables are based on measurements with narrow band laser light sources exactly adapted to the wavelengths The LED transmission elements used in practice produce ...

Page 85: ...10 0 dB Attenuation for connectors aConn Number 0 4 dB 1 Number aConn 0 4 dB Attenuation caused by splices aSpl Number 0 2 dB 3 Number aSpl 0 6 dB Attenuation of the transmission path aPath 11 0 dB Characteristic data of the OLM G11 G12 maximum power coupled into 62 5 125 µm fiber Pout min 13 dBm Receiver sensitivity Prec min 28 dBm Maximum permitted attenuation amax Pout min Prec min 15 0 dB Link...

Page 86: ...path aPath 10 0 dB Data of the OLM G11 1300 G12 1300 power that can be coupled into 62 5 125 µm fibers Pout min 17 dBm Receiver sensitivity Prec min 29 dBm Maximum permitted attenuation amax Pout min Prec min 12 dB Link power margin amax aPath 2 dB The transmission path can be implemented as planned Note The maximum length of fiber optic cable that can be supplied in one piece depends on the cable...

Page 87: ...Attenuation on the cable Fiber type µm Attenuation aFOC in dB km Cable length L in km L aFOC dB Attenuation of connectors aConn dB Number Number aConn dB Attenuation caused by splices aSpl dB Number Number aSpl dB Attenuation of the transmission path aPath dB Power that can be coupled into µm fiber Pout min dBm Receiver sensitivity Prec min dBm Maximum permitted attenuation amax Pout min Prec min ...

Page 88: ...omponents The bus parameters are adapted configured to the particular PROFIBUS network using configuration software such as COM PROFIBUS or STEP 7 Using optical link modules extremely large PROFIBUS networks can be created These allow the use of long optical fiber links and the cascading of large numbers of components Each time the data packet passes through an OLM there is a delay Due to the dela...

Page 89: ...cal Buses and Star Topologies with OLMs Creating a System Overview You configure the PROFIBUS network for example with SIMATIC STEP 7 The bus specific configuration begins with the creation of the system overview in the hardware configuration dialog HW Config of STEP 7 V5 0 Figure 3 3 HW Config Dialog in STEP 7 V5 0 ...

Page 90: ...rks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Setting the PROFIBUS Properties In the Properties PROFIBUS dialog you can set the highest station address HSA the transmission rate and the bus profile Figure 3 4 Properties PROFIBUS Dialog ...

Page 91: ...etworks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Entering the Cabling Configuration You can make the settings for the cabling configuration number of OLMs cable length in the Cables tab under Options Figure 3 5 Options Cables Tab ...

Page 92: ...e the configuration tool can check whether the slot time is feasible in the selected communication profile If the system would exceed the value due to the additional delays of OLM and FO cables the parameters are adapted The newly calculated bus parameters are displayed in the Bus Parameters dialog Figure 3 6 Bus Parameters Adapted to the System ...

Page 93: ...ss in the network between bus address 0 and the value of HSA that is not used by a node in other words there is an address gap You can obtain this address gap simply by increasing the value of the HSA parameter by one higher than the highest node address in the network Note If this condition is not or is no longer satisfied the optical bus will no longer close to form redundant optical ring follow...

Page 94: ...figured slot time has elapsed The OLM recognizes this frame free state and closes the optical bus in the middle of this query sequence to form the optical ring again The slot time must be set to approximately twice the value you would use in a non redundant network Calculate the slot time according to the following formula Slot time a b x length FOC c x numberOLM Slot time is the monitoring time i...

Page 95: ...500 Kbps 251 10 24 187 5 Kbps 171 3 75 24 93 75 Kbps 171 1 875 24 45 45 Kbps 851 0 909 24 19 2 Kbps 171 0 384 24 9 6 Kbps 171 0 192 24 Table 3 10 Constants for Calculating the Slot Time with DP FMS Universal and DP with S5 95U redundant optical ring Transmission rate a b c 12 Mbps 1651 240 28 6 Mbps 951 120 24 3 Mbps 551 60 24 1 5 Mbps 2011 30 24 500 Kbps 771 10 24 187 5 Kbps 771 3 75 24 93 75 Kbp...

Page 96: ... and OLM G12 1300 Transmission rate Minimum slot time 12 Mbps 3800 tBit 6 Mbps 2000 tBit 3 Mbps 1000 tBit 1 5 Mbps 530 tBit When configuring the slot time use the minimum slot time as shown in Table 3 11 if the calculated slot time is less than the minimum slot time Note If the slot time is configured with a value that is too low this can lead to malfunctions and error displays on the OLM The syst...

Page 97: ... slot time is calculated as follows Slot time 351 30 x 20 24 x 20 1431 Entering the Bus Parameters This means that the following three bus parameters must be entered for the example Slot time T_slot_Init 1431 Retries Retry_Limit 3 Highest station address HSA 126 default These values are entered in STEP 7 in the Bus Parameters dialog for the User Defined bus profile You must then trigger the recalc...

Page 98: ...0 0AA1 Release 2 05 2000 Note Since the formula includes the delays of all fiber optic and RS 485 cables the Consider Cable Configuration check box must not be activated in the Cables tab on the Options dialog Figure 3 7 Bus Parameters User Defined Dialog in STEP 7 V5 0 ...

Page 99: ...4 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Passive Components for RS 485 Networks 4 ...

Page 100: ...nly be guaranteed for these cables Notes on Installing RS 485 LAN Cables LAN cables are impaired by mechanical damage How to install LAN cables correctly is described in detail in Appendix C To make it easier to measure the length of cables they have a marker every meter Overview Table 4 1 is an overview of the LAN cables for PROFIBUS showing their mechanical and electrical characteristics If you ...

Page 101: ...V Cable type standard code 02YY ST CY 1x2x0 64 2 55 150 KF 40 FRNC VI 02YSH ST CH 1x2x0 64 2 55 150 VI KF25 FRNC 02YSY ST C2 Y 1x2x0 64 2 55 150 KF40 02YSY ST C11 Y 1x2x0 64 2 5 150 KF40 FRNC VI 02YSY ST CY2Y 1x2x0 64 2 5 150 KF 40 SW Sheath Material Color Diameter PVC violet 8 0 0 4 mm FRNC light violet 8 0 0 4 mm PE black 8 0 0 4 mm PUR violet 8 0 0 4 mm PE PVC black 10 8 0 5 mm 3 Permitted ambi...

Page 102: ...or the following requirements min 4 million bending cycles at the specified bending radius and max acceleration of 4 m s2 3 Outer diameter 8 mm bus connectors can only be attached after removing the outer sheath 4 Not suitable for fitting in a bus connector with insulation displacement system 6ES7 972 0BA30 0XA0 5 At 800 Hz 6 Unrestricted segment lengths 7 Transmission rate 31 25 Kbps 8 Cable suit...

Page 103: ...Y 1x2x0 65 2 56 150 LI petrolFR 02Y ST C11Y 1x2x0 65 2 56 150 LI VI FRNC 02Y SY ST CY 1x2x1 0 2 55 100 BL OE FR M 02Y ST CH X 1x2x0 35 100V Sheath Material Color Diameter PUR petrol 8 0 0 4 mm Special PVC petrol 8 0 0 3 mm PUR violet 8 0 0 4 mm PVC blue black 8 0 0 4 mm Polymer 3 black 10 3 0 5 mm Permitted ambient conditions Operating temperature Transport storage temperature Installation tempera...

Page 104: ...ing requirements min 4 million bending cycles at the specified bending radius and max acceleration of 4 m s2 3 Outer diameter 8 mm bus connectors can only be attached after removing the outer sheath 4 Not suitable for fitting in a bus connector 6ES7 972 0BA30 0XA0 5 At 800 Hz 6 Unrestricted segment lengths 7 Transmission rate 31 25 Kbps cable corresponds to FISCO model 8 Cable suitable for applica...

Page 105: ... foil shield and braid shield make the cable particularly suitable for industrial environments subject to electromagnetic interference The design of the cable also guarantees stable electrical and mechanical data after the cable has been installed The FastConnect LAN cable 6XV1 830 0EH10 is UL listed The structure of the cable allows the use of the FastConnect FC stripping tool for fast stripping ...

Page 106: ...30 0LH10 The LAN cable with a halogen free outer sheath 6XV1 830 0LH10 complies with the specification EN 50170 cable type A with solid copper cores 22 gauge The structure of the cable allows the use of the FastConnect FC stripping tool for fast stripping of the PROFIBUS cable see Section 4 2 3 Properties The characteristics of the sheath material differ from those of the standard LAN cable as fol...

Page 107: ...s filler shielding is identical to that of the standard cable The structure of the cable allows the use of the FastConnect FC stripping tool for fast stripping of the PROFIBUS cable see Section 4 2 3 Properties The characteristics of the polyethylene PE sheath differ from those of the standard LAN cable as follows S Improved resistance to abrasion S Improved resistance to oil and lubricants S Resi...

Page 108: ...e of the cable cores filler shielding is identical to that of the standard cable The structure of the cable allows the use of the FastConnect FC stripping tool for fast stripping of the cable see Section 4 2 3 Properties The characteristics of the PUR sheath material differ from those of the standard LAN cable as follows S Improved resistance to abrasion S Improved resistance to oil and lubricants...

Page 109: ...ifference means a reduced segment length refer to the table in Chapter 3 Notes on Configuration In contrast to the standard LAN cable the cores of the flexible cable are of stranded copper In conjunction with the special combination of braid shield foil shield fleece layer and the sheath material of polyurethane the cable has a torsional strength of 180o while retaining highly constant electrical ...

Page 110: ...he smaller Cu cross section the d c loop resistance and the HF attenuation are higher which means reduced segment lengths S The sheath material is flame resistant Uses The flexible cable is designed for torsion of 180o and is therefore particularly suitable for networking moving plant parts for example robots Note If you connect to screw terminals the stranded cores must be fitted with wire end fe...

Page 111: ...characteristics are identical The cable has an additional PE outer sheath The outer and inner sheath are bonded together so that the FC underground cable can be fitted with all SIMATIC NET PROFIBUS connectors after removing the outer sheath After removing the outer sheath the structure of the cable also allows use of the FastConnect FC stripping tool for fast stripping of the inner cable see Secti...

Page 112: ...s difference means a reduced segment length refer to the tables in Chapter 3 Notes on Configuration In contrast to the standard LAN cable the cores of the trailing cable are of stranded copper In conjunction with the special combination of braid shield foil shield and the sheath material of polyurethane the cable is extremely flexible while retaining highly constant electrical characteristics If y...

Page 113: ...r installation and operation S Due to the smaller Cu cross section the d c loop resistance and the HF attenuation are higher which means reduced segment lengths S The sheath material is flame resistant Uses The trailing cable is designed for a minimum of 4 million bending cycles at the specified bending radius and a maximum acceleration of 4 m s2 and is therefore particularly suitable for installa...

Page 114: ...00 Figure 4 8 Example of Using the PROFIBUS Trailing Cable in a Drag Chain Segment Lengths Due to the increased loop resistance somewhat shorter segment lengths are permitted at low transmission rates see Table 3 1 At transmission rates 500 Kbps the trailing cable has the same values as the standard LAN cable ...

Page 115: ...o screw terminals the stranded cores must be fitted with wire end ferrules 0 25 mm2 complying with DIN 46228 Use only wire end ferrules made of materials with permanently stable contact properties for example copper with a tin plated surface not aluminum The bus connector 6ES7 972 0BA30 0XA0 cannot be connected to the stranded cores ...

Page 116: ...gth refer to the table in Chapter 3 Notes on Configuration With its flexible structure the festoon cable 6XV1830 3GH10 can be used in festoons with large and small cable loops The cable carries its own weight but is not suitable for tensile stress 80 N The outer sheath has the identification SIMATIC NET PROFIBUS RS 485 Festoon Cable 6XV1830 3GH10 UL CMX 75 C SHIELDED AWG 24 printed on it along wit...

Page 117: ...lying with VDE 0472 T804 test type B Uses The LAN cable for festoons is designed for at least 5 million bending cycles at the specified bending radius and at a maximum acceleration of 4 m s2 Note During installation and operation all the mechanical restrictions involving the cable such as bending radii tensile load etc must be adhered to Stopper Clip Runner Lead runner Example of installation Kink...

Page 118: ...o screw terminals the stranded cores must be fitted with wire end ferrules 0 25 mm2 complying with DIN 46228 Use only wire end ferrules made of materials with permanently stable contact properties for example copper with a tin plated surface not aluminum The bus connector 6ES7 972 0BA30 0XA0 cannot be connected to the stranded cores ...

Page 119: ...f the cable and installed in the cable carriage The cable must be installed in a flat cable carriage on a round support to avoid kinking The radius of the round support must be greater than 70 mm The strain relief mechanisms on the cable carriage must have rubber clamps to avoid crimping the cable Other cables installed in the festoon must not cause bends tighter than the minimum bending radius of...

Page 120: ...s and fuels hydraulic fluid cold cleansing agents and deionized water The outer sheath of the SIENOPYR FR marine cable can be removed separately so that the inner sheath can be fitted into all PROFIBUS connectors with an 8 mm cable inlet The cable is not suitable for use of the FastConnect FC stripping tool Properties The SIENOPYR FR marine cable has the following properties S Halogen free S Resis...

Page 121: ...r RS 485 Networks 4 23 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Uses The SIENOPYR FR marine cable is intended for fixed installation on ships and offshore facilities in all rooms and on open decks ...

Page 122: ...rs and the mechanical specifications of the SIMATIC NET bus connectors are tailored to the SIMATIC NET PROFIBUS cables cable type A of the PROFIBUS standard EN 50170 1 2 Fitting bus connectors to cables with different electrical or mechanical properties can cause problems during operation 4 2 1 The FastConnect System Uses PROFIBUS FastConnect is a system for fast simple assembly of PROFIBUS copper...

Page 123: ... Designed for Industry S Reduction of the assembly times for attaching DTEs by removing the outer sheath and braid shield in one step S Simple connector fitting with the preset FC stripping tool S Correct contact in the PROFIBUS FC connector can be checked without opening the connector thanks to the transparent cover of the insulation displacement terminals and color coding for the core assignment...

Page 124: ...0 6ES7 972 0BB50 0XA0 6GK1 500 0FC00 Appearance Recommended for S IM 308 B S IM 308 C S S5 95U version 6 or higher S S7 200 S S7 300 S S7 400 S M7 300 S M7 400 S C7 626 DP S S5 115U to 155U S CP 5412 CP 5613 CP 5614 S CP 5411 S CP 5511 S CP 5611 S CP 5431 FMS DP S CP 342 5 S CP 342 5 S CP 443 5 S ET 200B S ET 200L S ET 200M S ET 200S S ET 200U S PG 720 720C S PG 730 S PG 740 S PG 750 S PG 760 S Re...

Page 125: ...n be activated with sliding switch Disconnect function When the resistor is activated the outgoing bus is disconnected Attachment with insulation displacement system for FastConnect system Interfaces to PROFIBUS node to PROFIBUS LAN cable 9 pin sub D connector 4 insulation displacement terminals for all FastConnect PROFIBUS cables except for FC process cable 9 pin sub D connector 4 insulation disp...

Page 126: ... connector when the terminating resistor is activated at the end of the cable causes disruptions on the bus and is not permitted Bus Connector with PG Socket We recommend that you include at least one bus connector with a PG socket in each bus segment This makes it easier to commission using a programming device or PC In the bus connectors with a PG socket all the contacts are connected 1 1 with t...

Page 127: ... 4 29 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Figure 4 13 Fitting the LAN Cables in the FastConnect Bus Connector 6ES7972 0B 50 0XA0 Figure 4 14 Fitting the LAN Cables in the FastConnect Bus Connector 6G1500 0FC00 ...

Page 128: ...th to be stripped by holding the cable against the template Mark the position using the index finger of your left hand 3 Insert the measured end of the cable into the tool as far as allowed by the index finger of the left hand 4 Clamp the end of the cable in the stripping tool 5 Turn the tool four times in the direction of the arrow for PVC insulation eight times for PUR or PE insulation 6 Keeping...

Page 129: ... use the connector within a segment set the switch to OFF 1 2 1 Undo the screw of the strain relief 2 Turn back the strain relief clamp 3 Lift the contact cover 4 Fit the incoming cable into the contact cover labeled A1 B1 remember to keep the color coding consistent 5 Press down the contact cover firmly 6 If you use the connector within a segment fit the outgoing cable into the contact cover labe...

Page 130: ... NET PROFIBUS cables S Electrical segments or individual nodes can be connected to the optical link module OLM OBT S Nodes or programming devices can be connected to a repeater Note The integrated bus terminators and the mechanical specifications of the SIMATIC NET bus connectors are tailored to the SIMATIC NET PROFIBUS cables cable type A of the PROFIBUS standard EN 50170 1 2 Fitting bus connecto...

Page 131: ... are listed in Table 4 6 Table 4 6 Design and Applications of the IP 20 compliant Bus Connectors Order numbers 6ES7 972 0BA11 0XA0 6ES7 972 0BB11 0XA0 6ES7 972 0BA40 0XA0 6ES7 972 0BB40 0XA0 6ES7 0BA30 0XA0 6GK1 500 0EA02 Appearance 35_ cable outlet 30_ cable outlet SIEMENS Recommended for S IM 308 B S IM 308 C S S5 95U version 6 or higher Use in PLC with integrated interface S S7 300 S S7 400 S M...

Page 132: ...umbers 6GK1 500 0EA02 6ES7 0BA30 0XA0 6ES7 972 0BA40 0XA0 6ES7 972 0BB40 0XA0 6ES7 972 0BA11 0XA0 6ES7 972 0BB11 0XA0 S ET 200B S ET 200L S ET 200M S ET 200S S ET 200U S PG 720 720C S PG 730 S PG 740 S PG 750 S PG 760 S Repeater S OP S OLM Use in SINUMERIK 840 C and 805 SM S IM 328N S IM 329N Use in NC 840 D and FM NC SIMODRIVE 611 MCU S CP 342 5 Use in TI 505 S TI 505 FIM S TI 505 PROFIBUS DP S R...

Page 133: ...lation displacement terminals for wires 0 644 0 04 mm 9 pin sub D male connector 4 modular terminals for wires up to 1 5 mm2 Connectable PROFIBUS cable diameter 8 0 5 mm 8 0 5 mm 8 0 5 mm 8 0 5 mm Power supply must be supplied by DTE 4 75 to 5 25 V DC 4 75 to 5 25 V DC 4 75 to 5 25 V DC Current consumption max 5 mA max 5 mA max 5 mA Permitted ambient conditions S Operating temperature S Transport ...

Page 134: ...that you include at least one bus connector with a PG socket in each bus segment This makes it easier to commission using a programming device or PC In the bus connectors with a PG socket all the contacts are connected 1 1 with the connector pins in other words the pinout is the same as the pinout of the attached device Pinout of the Sub D male Connector Table 4 8 shows the pinout of the 9 pin sub...

Page 135: ... Connector 6ES7 972 0B 11 Appearance 6ES7 972 0B 11 Figure 4 15 shows the bus connector with order number 6ES7 972 0B 11 SIEMENS Screws for mounting on the station PG socket only with 6ES7 972 0BB11 0XA0 9 pin sub D male connector for connection to the station Cable guides for PROFIBUS LAN cable Housing screws Switch for terminating resistor Figure 4 15 Bus Connector order number 6ES7 972 0B 11 ...

Page 136: ...moving the cover 3 Insert the green and red cores in the screw terminal as shown in Figure 4 17 Make sure that you always connect the same cores to the same terminal A or B for example terminal A is always connected to green and terminal B always to red 4 Press the cable sheath between the two clips This secures the cable 5 Screw the green and red cores tight in the screw terminal A B A B A B A B ...

Page 137: ...0AA1 Release 2 05 2000 Note Stranded cores must only be used in screw terminals with wire end ferrules fitted 0 25 mm2 complying with DIN 46228 Use only wire end ferrules made of materials with permanently stable contact properties for example copper with a tin plated surface not aluminum ...

Page 138: ...ion to the station Casing screws Figure 4 18 Bus Connector order number 6ES7 972 0BA30 0XA0 Connecting Up the LAN Cable Connect up the LAN cable to the bus connector with order number 6ES7 972 0BA30 0XA0 as follows 1 Strip the insulation as shown in Figure 4 19 3 3 A B A B 27 35 29 36 Figure 4 19 Cable Stripped for Connection to Bus Connector 6ES7 972 0BA30 0XA0 2 Open the casing of the bus connec...

Page 139: ... same terminal A or B for example terminal A is always connected to green and terminal B always to red 5 Press the red and green cores into the insulation displacement terminals lightly using your thumbs 6 Secure the cover with the screws A BA B Cable guides Strain relief Cable guides Insulation displacement terminals Figure 4 20 Connecting the LAN cable to bus connector 6ES7 972 0BA30 0XA0 Note T...

Page 140: ...AN cable to the bus connector with order number 6ES7 972 0B 40 as follows 1 Strip the LAN cable as shown in Figure 4 22 using the FastConnect stripping tool sizes and lengths are shown in the table on the rear of the tool 6XV1 830 0EH10 A1 B1 7 5 5 16 Figure 4 22 Cable Stripped for Connection to Bus Connector 6ES7 972 0B 40 2 Open the casing of the bus connector by undoing the screws and removing ...

Page 141: ...witch ON terminating resistor activated Switch OFF terminating resistor deactivated Cable shield must make good contact with the metal part Cable shield must make good contact with the metal part Figure 4 23 Connecting the LAN Cable to Bus Connector 6ES7 972 0B 40 6 Fasten the cover again with the screws Note Stranded cores must only be used in screw terminals with wire end ferrules fitted 0 25 mm...

Page 142: ...Bus Connector with Axial Cable Outlet Appearance 6GK1500 0EA02 A1B1A2B2 L L L R2 L R1 R3 A1B1A2B2 L L L R2 L R1 R3 LAN Cable Connection and Switch Setting for First and Last Station on the Bus LAN Cable Connection and Switch Setting for all Other Stations on the Bus Figure 4 24 Installing the Bus Connector with Axial Cable Outlet ...

Page 143: ...s into the required terminals of the screw terminal blocks S Press the cable sheath between the two clips S Make sure that the cable sheaths are lying on the metal conductor S When you connect to the screw terminals the stranded cores must be fitted with wire end ferrules 0 25 mm2 complying with DIN 46228 S Make sure that the braid shield lies on the contact surfaces of the connector S Replace the...

Page 144: ...vate the terminating resistor on the bus connector 6ES7 972 0BA30 0XA0 Note Remember the following S By activating the terminating resistor the outgoing LAN cable is disconnected from the incoming LAN cable S Stations equipped with a terminating resistor must always be supplied with voltage when the network starts up and during operation Terminating resistor activated Terminating resistor not acti...

Page 145: ... resistor This is for example not the case when the power supply to the last node with a bus connector is turned off Since the bus connector is supplied with power from the station the terminating resistor has no effect Make sure that the power supply for the stations on which a terminating resistor is activated is always turned on As an alternative you can also use the PROFIBUS terminator as an a...

Page 146: ... following versions Table 4 9 Versions of the Bus Terminal Bus terminal RS 485 Bus terminal 12 M Order no With 1 5 m tap line 6GK1 500 0AA10 With 1 5 m tap line and additional PG interface 6GK1 500 0DA00 With 3 m tap line 6GK1 500 0AB00 Transmission rate 9 5 Kbps to 1 5 Mbps 9 5 Kbps to 12 Mbps Power supply 5V 10 mA from the node interface 5V 90 mA from the node interface Terminating resistor comb...

Page 147: ...n of the incoming and outgoing LAN cable and if necessary the protective earth PE S Screw down clamps for shield contact S A switch Bus terminated to allow termination at the end of an RS 485 segment with the characteristic impedance S A connecting cable preassembled either 1 5 m or 3 m long with a 9 pin sub D male connector for direct connection to a DTE Cable Termination The sub D connector is p...

Page 148: ...se 2 05 2000 Table 4 10 Pinout of the Sub D Connector Pin Signal Meaning 1 PE Protective earth 2 NC Not used 3 B RXD TXD P Data line B receive transmit data P 4 NC Not used 5 M5V2 DGND Data ground 6 P5V2 VP 5V voltage plus 7 NC Not used 8 A RXD TXD N Data line A receive transmit data N 9 NC Not used ...

Page 149: ...s an additional 9 pin sub D female connector on the front panel for connecting for example a programming device using a PG connecting cable The pinout is identical to that shown in Table 4 10 Figure 4 28 RS 485 Bus Terminal with Additional PG Interface Note The SIMATIC NET PROFIBUS RS 485 bus terminals are only suitable for transmission rates 1 5 Mbps For higher transmission rates use the 12M bus ...

Page 150: ...Passive Components for RS 485 Networks 4 52 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 4 7 3 Design and Functions of the 12M Bus Terminal Figure 4 29 12M Bus Terminal BT12M ...

Page 151: ...eristic impedance switch on At the same time the outgoing electrical segment A2 B2 is interrupted Left switch used to set the range of the transmission rate 9 6 Kbps to 1 5 Mbps and 3 Mbps to 12 Mbps S A 1 5 m long tap line with a 9 pin sub D male connector for direct attachment to a DTE The sub D connector is plugged into the sub D female connector of the DTE and secured by screws The 12M bus ter...

Page 152: ...ed at the beginning or end of the network Note Restriction when using the 12M bus terminal at 500 Kbps This restriction only affects segments longer than 80 m If the 12M bus terminal is operated at a transmission rate of 500 Kbps along with the RS 485 bus terminal with a 3 0 m tap line 6GK1 500 0AB00 a minimum clearance of 5 m 5 m PROFIBUS cable must be maintained between the RS 485 bus terminal w...

Page 153: ...0022 35x15 S By screwing the unit to a mounting plate using two fillister head screws Figure 4 31 shows the drilling diagram for mounting the unit Thread M4 or through hole 4 2 mm 42 5 mm 50 mm 67 3 mm 50 mm Top edge of bus terminal Figure 4 31 Drilling Diagram for the Bus Terminal S Wall mounting brick concrete Fittings required 2 x 5 mm plugs 2 round head wood screws size 3 5 mm and 2 washers 4 ...

Page 154: ...d the foil shield can be left somewhat longer ÂÂÂ ÂÂÂ ÂÂÂ ÂÂÂ ÂÂÂÂ ÂÂÂÂ ÂÂÂÂ ÂÂÂÂ 10 mm 11 mm 12 mm Fold braid shield back over outer sheath Foil shield Figure 4 32 Preparing the LAN Cable for Connection to the Bus Terminal 4 Fold back the braid shield over the cable sheath 5 Remove approximately the last 10 mm of insulation from the cores 6 Fit the LAN cable to the terminal so that the braid shie...

Page 155: ...or The sub D male connector must therefore always be plugged in and secured by screws The attached DTE must not be turned off Note The same wires green or red must always be connected to the same terminal A or B in all bus terminals and with all bus connections and be uniform throughout the segment The following scheme is recommended for a PROFIBUS network Terminal A green wire Terminal B red wire...

Page 156: ...ÓÓÓ Ñ Ñ PE A B A B PE ÓÓÓÓÓ ÓÓÓÓÓ Ñ Ñ ÑÑ ÑÑ Ñ ÑÑ Ñ Ñ Ñ Wall installation with securing screws Installation with a standard rail on a cabinet panel Shield clamp PE grounding bar Installation on closet panel with securing screws Bus terminated Bus terminated Bus terminated Bus terminated Shield clamp grounding bar MADE IN GERMANY MADE IN GERMANY MADE IN GERMANY MADE IN GERMANY 1 2 1 If this groundin...

Page 157: ...CA20 0AA1 Release 2 05 2000 Note The DIN rail must have a good conducting surface for example tin plated Wall Mounting Note If the bus terminal is mounted on a wall at least one PE terminal must be connected to local ground This connection should be over the shortest possible distance ...

Page 158: ...ate 9 6 to 1 500 Kbps PG interface optional 9 pin sub D female connector Power supply range 4 75 to 5 25 V DC Current consumption 5 mA Environmental conditions Operating temperature 0 to 55 C Storage transport temperature 25 to 70 C Relative humidity F complying with DIN 40040 15 to 95 at 25 C no condensation Construction Dimensions W x H x D in mm RS 485 50 x 135 x 47 RS 485 PG 50 x 135 x 52 Weig...

Page 159: ...work Configuration Electromagnetic Compatibility Noise emission limit class B complying with EN 55022 CISPR 22 Noise immunity on signal lines 2 kV to IEC 801 5 IEC 1000 4 5 surge 2 kV to IEC 801 4 IEC 1000 4 4 burst Noise immunity to static electricity discharge 6 kV contact discharge to IEC 801 2 ESD IEC 1000 4 2 Noise immunity to high frequency interference 10 V m with 80 amplitude modulation at...

Page 160: ...ion operation Tested to DIN IEC 68 2 6 10 to 58 Hz amplitude 0 075 mm 58 to 500 Hz acceleration 9 8 m s2 Shock operation tested to DIN IEC 68 2 27 Half sine 100 m s2 16 ms Construction Dimensions W x H x D in mm 50 x 135 x 47 Tap line length 1 5 m Weight incl 1 5 m connecting cable approx 350 g Degree of protection IP20 Test Marks CE UL CSA ...

Page 161: ...to protect against overvoltage see Appendix B Lightning and Overvoltage Protection 4 8 2 Cable Connection without Bus Connection Elements Sometimes a connection is necessary between LAN cable sections at locations where no nodes or network component connections are intended for example when repairing a broken LAN cable Note the following information The all round shielding of the LAN cable must be...

Page 162: ... a standard connecting cable cannot stand up to the same environmental conditions as an uninterrupted LAN cable If necessary provide extra protection for the connection to avoid dampness dust or aggressive gases causing problems by covering the connection in a cable sleeve You can find information about ordering this in Appendix I 2 SIMATIC NET Support and Training ...

Page 163: ... and OBTs Design The 830 1T connecting cable consists of a twisted pair stranded copper cores with a braid shield It is fitted with a 9 pin sub D male connector at both ends Both ends of the cable have terminating resistors cannot be deactivated The cable is available in lengths of 1 5 and 3 m Figure 4 34 830 1T Connecting Cable Function The 830 1T connecting cable connects the following S The ele...

Page 164: ...cting cable must not be used as a tap line for example for attaching a PG to a PROFIBUS segment Table 4 11 Ordering Data for SIMATIC NET 830 1T Connecting Cable Ordering Data SIMATIC NET 830 1T connecting cable for PROFIBUS for connecting DTEs to OLMs and OBTs preassembled with two sub D male connectors 9 pin cable terminated at both ends 1 5 m 3 m 6XV1830 1CH15 6XV1830 1CH30 ...

Page 165: ... It has a 9 pin sub D male connector with a straight cable outlet at one end and a 9 pin sub D male connector with a 90 cable outlet at the other The connector with the 90 cable outlet is equipped with a PG interface The terminating resistors can be activated in both connectors The cable is available in lengths of 3 m 5 m and 10m Figure 4 35 830 2 Connecting Cable Function The 830 2 connecting cab...

Page 166: ...00 Table 4 12 Ordering Data for SIMATIC NET 830 2 Connecting Cable Ordering Data SIMATIC NET 830 2 connecting cable for PROFIBUS for connecting DTEs to OLMs and OBTs preassembled with two sub D male connectors 9 pin terminating resistors can be activated 3 m 5 m 10 m 6XV1830 2AH30 6XV1830 2AH50 6XV1830 2AN10 ...

Page 167: ...5 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Active Components for RS 485 Networks 5 ...

Page 168: ...e an RS 485 repeater in the following situations S When there are more than 32 stations including repeaters connected to the bus S When electrically isolated bus segments are required or S When the maximum cable length of a segment is exceeded see Chapter 3 Network Configuration Rules If you want to install a PROFIBUS network with RS 485 repeaters you can connect a maximum of nine RS 485 repeaters...

Page 169: ...for bus segment 1 1 Ã Ä È A1 B1 A1 B1 PG 11 OFF ON DP1 Ä Switch for OFF state Disconnect bus segments 1 and 2 for example during commissioning Å OP DP2 12 Å Terminating resistor for bus segment 2 1 SIEMENS ON Æ Terminal for the LAN cable of bus segment 2 SIEMENS RS 485 REPEATER Æ A2 B2 A2 B2 Ç Catch for mounting and removing the RS 485 repeater on a standard rail Á È Interface for PG OP on bus seg...

Page 170: ...or 24 V 100 mA 300 mA Electrical isolation yes 500 V AC Transmission rate detected automatically by repeater 9 6 Kbps 19 2 Kbps 45 45 Kbps 93 75 Kbps 187 5 Kbps 500 Kbps 1 5 Mbps 3 Mbps 6 Mbps 12 Mbps Degree of protection IP20 Dimensions W H D in mm 45 128 67 Weight including packing 350 g Pinout of the Sub D Connector PG OP Connector The 9 pin sub D connector has the following pinout Table 5 3 Pi...

Page 171: ...1 and bus segment 2 are electrically isolated S Bus segment 2 and the PG OP connector are electrically isolated S Signals are amplified between bus segment 1 and bus segment 2 between the PG OP connector and bus segment 2 5V 24 V Segment 2 A2 B2 A2 B2 Segment 1 A1 B1 A1 B1 PG OP socket L 24 V M A1 B1 5 V M5 V L 24 V M PE M 5 2 Logic 5V 24 V 1M 1M Figure 5 1 Block Diagram of the RS 485 Repeater ...

Page 172: ...er S Segment 1 and Segment 2 terminated on the RS 485 repeater see Figure 5 3 S Segment 1 terminated on the RS 485 repeater and segment 2 connected through on the RS 485 repeater see Figure 5 4 and S Segment 1 and Segment 2 connected through on the RS 485 repeater see Figure 5 5 Terminating Resistor On Off Figure 5 2 shows the setting for the terminating resistor Terminating resistor On Terminatin...

Page 173: ... Connecting Two Bus Segments to the RS 485 Repeater Segment 1 Terminated Segment 2 Connected Through Figure 5 4 shows the connection between two segments via an RS 485 repeater with one segment connected through R Segment 1 Segment 2 Terminating resistor Bus segment 2 off Terminating resistor Bus segment 2 off Terminating resistor Bus segment 1 Terminating resistor Bus segment on Terminating resis...

Page 174: ...ems in the other segment Whenever possible we recommend the following procedure S Alternative 1 Disconnect the two segments before turning off the power supply using switch 5 Table Description and Functions of the RS 485 Repeater on the repeater set to OFF S Alternative 2 Connect the repeater to the power supply of the segment to be turned off so that the repeater is also turned off In this case m...

Page 175: ...PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 5 3 Installing and Uninstalling the RS 485 Repeater Overview You can install the RS 485 repeater as follows S On an S7 300 rail or S On a standard rail order number 6ES5 710 8MA ...

Page 176: ...driver towards the rear of the module 2 Hold the screwdriver in this position Result The catch is released from the RS 485 repeater 3 With your free hand lift the catch up as far as it will go and then remove the catch 3 Result The catch is removed from the RS 485 repeater 4 Fit the RS 485 repeater onto the rail for an S7 300 4 5 Push it towards the back as far as it will go 5 6 Tighten the securi...

Page 177: ...he S7 300 Rail Installation on a Standard Rail To be able to install the repeater on a standard rail the catch must be present on the back of the RS 485 repeater 1 Fit the RS 485 repeater on to the standard rail from above and 2 Push it towards the back until the catch locks it in place Removing the RS 485 from the Standard Rail To remove the RS 485 repeater from the standard rail 1 Press down the...

Page 178: ...ngrounded Operation Ungrounded operation means that chassis and PE are not connected The ungrounded operation of the RS 485 repeater allows you to operate electrically isolated bus segments Figure 5 8 shows the change in the potentials resulting from using the RS 485 repeater Signals ungrounded Signals grounded Figure 5 8 Ungrounded Operation of Bus Segments ...

Page 179: ...the Power Supply Cable Type To connect the 24 V power supply use flexible cables with a cross section of 0 25 mm2 to 2 5 mm2 AWG 26 to 14 Connecting the Power Supply To connect the power supply of the RS 485 repeater 1 Strip the insulation from the wire for the 24 V DC power supply 2 Connect the cable to terminals L M and PE ...

Page 180: ...hield must be folded back on to the cable Only then can the shield clamp serve as strain relief and as the shield contact ÎÎÎ ÎÎÎ 8 5 16 10 ÎÎÎ ÎÎÎ 8 5 16 10 16 Braid shield must be folded back e g standard cable 6XV1 830 0EH10 e g underground cable 6XV1 830 3FH10 Figure 5 9 Stripping the Cable to Connect it to the RS 485 Repeater 3 Connect the PROFIBUS cable to the RS 485 repeater Connect the sam...

Page 181: ...ors would have to be activated and supplied with power The PROFIBUS terminator can be installed on a standard rail Order number 6ES7 972 0DA00 0AA0 Design of the PROFIBUS Terminator Table 5 4 shows the design of the PROFIBUS terminator Table 5 4 Design of the PROFIBUS Terminator Design of the PROFIBUS Terminator No Function SIEMENS À LED 24 V power supply PROFIBUS TERMINATOR Á Connection for power...

Page 182: ...o 28 8 V DC Power consumption at rated voltage max 25 mA Electrical isolation yes 600 V DC Transmission rate 9 6 Kbps to 12 Mbps Degree of protection IP20 Permitted ambient temperatures 0 C to 60 C Storage temperature 40 C to 70 C Connectable cables power supply S Flexible cables With wire end ferrule Without wire end ferrule S Solid cables Screw mechanism 0 25 mm2 to 1 5 mm2 0 14 mm2 to 2 5 mm2 0...

Page 183: ...16 10 16 Braid shield must be folded back e g standard cable 6XV1 830 0EH10 e g underground cable 6XV1 830 3FH10 Figure 5 10 Stripping the Insulation to Connect to the PROFIBUS Terminator 3 Connect the PROFIBUS LAN cable to the PROFIBUS terminator Connect the same wires green red for the PROFIBUS LAN cable to the same terminal A or B in other words always connect terminal A with a green wire and t...

Page 184: ...Active Components for RS 485 Networks 5 18 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 185: ...6 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Passive Components for PROFIBUS PA 6 ...

Page 186: ...uirements of cable type A complying with IEC 61158 2 see also Chapter 4 The combination of twisted pairs and braid shield make the cables particularly suitable for industrial environments subject to electromagnetic interference The design of the cable also guarantees stable electrical and mechanical properties after the cable has been installed The structure of the cable allows the use of the Fast...

Page 187: ...ure 6 2 PROFIBUS SpliTConnect Tap Figure 6 3 SpliTConnect Coupler Figure 6 4 SpliTConnect Terminator Figure 6 5 SpliTConnect M12 Outlet Design The SpliTConnect tap has a sturdy plastic casing of PBT polybuthylene terephthalate complying with IP67 and is suitable for mounting on a rail or wall The integrated metal casing ensures complete shielding In conjunction with the FastConnect LAN cable for I...

Page 188: ... Data Order no SpliTConnect Tap for implementing PROFIBUS PA segments and attaching PA field devices insulation displacement terminals IP 67 Consignment pack of 10 6GK1 905 0AA00 SpliTConnect M12 Outlet element for direct attachment of PROFIBUS PA field devices to the SpliTConnect tap via the M12 connector Consignment pack of 5 6GK1 905 0AB00 SpliTConnect Coupler connection element for cascading S...

Page 189: ...geanleitung für SIMATIC NET PROFIBUS SpliTConnect System Mounting Instructions for SIMATIC NET PROFIBUS SpliTConnect System SIEMENS AG 1999 Änderungen vorbehalten Subject to change 039 242 001 03 1099 Printed in Federal Republic of Germany Stand Dated 10 99 ...

Page 190: ...en die nicht in Betrieb sind Anforderung an die Qualifikation des Personals Qualifiziertes Personal im Sinne dieser Betriebsanleitung bzw der Warnhinweise sind Personen die mit Aufstellung Montage Inbetriebsetzung und Betrieb dieses Produktes vertraut sind und über die ihrer Tätigkeit entsprechenden Qualifikation verfügen und in erster Hilfe geschult sind We have checked the contents of this manua...

Page 191: ... using the FastConnect Stripping Tool 1 3 Mutter 3 Dichtung 4 und Schirmkontaktier element 5 auf die Leitung schieben Achtung Metallseite M des Schirmkontaktierele mentes 5 muß in Richtung Litzenhalter 6 zeigen Assemble cable with nut 3 seal 4 and shield contacting element 5 Attention Metal side M of the shield contacting element 5 must point to the strand holder 6 4 Litzenhalter 6 auf die nicht a...

Page 192: ... given by groove N and slot in the contacting element 2 Attention All 3 ports have to be mountet correctly Erdung Bei Bedarf kann das SpliTConnect Tap geerdet werden Hierzu steht am Kontakierelement 2 ein M4 Gewinde zur Verfügung Es wird empfohlen einen Kabelschuh zu verwenden Grounding If neccessary the SpliTConnect Tap can be grounded For this purpose a M4 thread at the contacting element 2 is a...

Page 193: ... or on a hat rail insert the completely assembled SpliTConnect Tap 1 into the SpliTConnect Clip 8 Hinweis Der SpliTConnect Tap dient nicht als Zugentlastung für die PROFIBUS Leitung Die Leitung muß daher zugentlastet angebracht werden Note The SpliTConnect Tap is not a strain relieve for the PROFIBUS cable Therefore the cable has to be mounted strain relieved Ein nicht benutzter Ausgang wird mit M...

Page 194: ... schrauben Kontaktierelemente 2 auf die komplett bestückten SpliTConnect Tap aufschrauben Srew the SpliTConnect Coupler 8 onto a free port of a second SpliTConnect Tap 1 Screw contac ting element 2 onto the completely assembled SpliTConnect Tap Typ Type Beschreibung Description Bestell Nummer Ord code SpliTConnect M12 Outlet Abgang mit M12 Buchse 6GK1905 0AB00 Verwendung anstelle des Abgangs für L...

Page 195: ...onnect Tap 1 einführen Ausrichtung ist durch Nut N und Führung im SpliTConnect Terminator Ex 10 vorge geben Achtung Alle 3 Abgänge müssen korrekt bestückt sein SpliTConnect Terminator Ex 10 bis auf Anschlag anziehen Zur Unterstützung kann ein Schrauben dreher durch die dafür vorgesehene Öffnung im SpliTConnect Terminator Ex 10 gesteckt werden Insert SpliTConnect Terminator Ex 10 into SpliT Connect...

Page 196: ...2 4 times 2 Contacting amount 1 nur wenn alle Abgänge ordnungsgemäß bestückt sind only if all user ports are mounted correctly 2 wenn erneut kontakiert wird muß die Leitung unbedingt neu abgesetzt werden if cable is connected again it has to be stripped off new Lieferumfang SpliTConnect Tap Scope of delivery SpliTConnect Tap 1 x SpliTConnect Tap 1 x Kontaktierelement Contacting element 3 x Mutter ...

Page 197: ...7 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Passive Components for Electrical Networks 7 ...

Page 198: ...c cables have the following advantages Advantages S Electrical isolation of nodes and segments S No potential equalization currents S Transmission path immune to external noise S No lightning protection required S No noise emission along the transmission path S Light weight S Depending on the fiber type cables several kilometers long can be used even at higher transmission rates S The transmission...

Page 199: ...IC NET PROFIBUS Plastic Fiber Optic Duplex Cord Plastic Fiber Optic Standard Cable PCF Fiber Optic Standard Cable Standard designation I VY2P 980 1000 150A I VY4Y2P 980 1000 160A I VY2K 200 230 10A17 8B20 Uses Used indoors in areas where little mechanical load is expected such as in laboratory setups or in cubicles Used indoors Used indoors Cable length between S OLM OLM S Integrated optical inter...

Page 200: ... brief v 35 N 10 cm v 100 N 10 cm v 750 N 10 cm Bending Radius S single bend without tensile strain S multiple bending with tensile strain w 30 mm w 50 mm only the flat surface w 100 mm w 150 mm w 75 mm w 75 mm Permitted ambient conditions S Transport storage temperature S Temperature for installation S Operating temperature 30 _C to 70 _C 0 _C to 50 _C 30 _C to 70 _C 30 _C to 70 _C 0 _C to 50 _C ...

Page 201: ...n outer jacket The jacket color is gray and no labeling is printed on it The standard code is I VY2P 980 1000 150 The cable is easy to assembly on site The cable is fitted with 2 x 2 simplex connectors for devices with integrated optical interfaces The cable must be fitted with 2 x 2 BFOC connectors when connecting OLM P11 and OLM P12 Properties The plastic FO duplex cord 6XV1821 2AN50 is S not su...

Page 202: ...m rings Both with OLM connections and with integrated optical interfaces connections up to 50 m in length can be spanned between two nodes with this cable Table 7 2 Order Numbers of the Plastic FO Cable Duplex Cord 6XV1821 2AN50 Fiber Optic Cables Version Order Number SIMATIC NET PROFIBUS Plastic Fiber Optic Duplex Cord I VY2P 980 1000 150A Plastic FO cable with two fibers PCV jacket without conne...

Page 203: ...821 0A consists of two plastic fibers with a robust polyamide inner jacket surrounded by Kevlar strain relief elements and a lilac PVC outer jacket The standard code is I VY4Y2P 980 1000 160A The outer jacket has the identifier SIEMENS SIMATIC NET PLASTIC FIBER OPTIC 6XV1821 0AH10 UL printed on it as well as meter markers The cable is easy to assembly on site The cable is fitted with 2 x 2 simplex...

Page 204: ...cable 6XV1821 0A is a robust round cable for indoor applications The maximum distance that can be spanned is 80 m for OLM P connections and 50 m for integrated optical interfaces and OBTs Table 7 3 Order Numbers of the Plastic Fiber Optic Standard Cable Ordering data Plastic fiber optic standard cable can be ordered in meters for OLMs OBTs and integrated optical interfaces SIMATIC NET PROFIBUS pla...

Page 205: ... 1000 160A Robust round cable with two plastic FO cords PVC outer jacket and PA inner jacket for use indoors preassembled with 2 x 2 BFOC connectors outer jacket stripped over 20 cm for connection to OLM P Standard lengths 1 m 2 m 5 m 10 m 15 m 20 m 25 m 30 m 50 m 65 m 80 m other length available on request 6XV1821 0BH10 6XV1821 0BH20 6XV1821 0BH50 6XV1821 0BN10 6XV1821 0BN15 6XV1821 0BN20 6XV1821...

Page 206: ...ain relief elements and a violet PVC outer jacket The standard code is I VY2K 200 230 10A17 8B20 The outer jacket has the identifier SIEMENS SIMATIC NET PROFIBUS PCF FIBER OPTIC 6XV1821 1AH10 UL printed on it as well as meter markers The cable is only available as a preassembled cable Cables for devices with an integrated optical interface are fitted with 2 x 2 simplex connectors cables for connec...

Page 207: ...nd cable for use indoors with cable lengths up to 400 m OLM or 300 m integrated optical interfaces OBT in each case between two nodes Ordering data Preassembled PCF fiber optic cables for OLM P SIMATIC NET PROFIBUS PCF fiber optic cable I VY2K 200 230 10A17 8B20 PCF FO cable with 2 cords PVC outer jacket for spanning distances up to 400 m preassembled with 2 x 2 BFOC connectors outer jacket stripp...

Page 208: ...30 10A17 8B20 PCF FO cable with 2 cords PVC outer jacket for spanning distances up to 300 m preassembled with 2 x 2 simplex connectors outer jacket stripped over 30 cm with pulling loop fitted at one end for connecting devices with integrated optical interfaces OBT Standard lengths 50 m 75 m 100 m 150 m 200 m 250 m 300 m other lengths available on request 6XV1821 1CN50 6XV1821 1CN75 6XV1821 1CT10 ...

Page 209: ...e consisting of two fibers and two additional copper wires for fixed installation on ships and offshore facilities SIMATIC NET Standard Fibers In glass fiber optic cables SIMATIC NET uses a fiber with 62 5 µm diameter as its standard fiber SIMATIC NET bus components are ideally matched to these standard fibers allowing large distances to be covered while keeping the configuration rules simple Simp...

Page 210: ...2B200 0 9F600 F TB3 FRNC OR Fiber type Multimode graded fiber 62 5 125 µm Multimode graded fiber 62 5 125 µm Power loss at 850 nm Power loss at 1300 nm 3 1 dB km 0 8 dB km 3 2 dB km 0 9 dB km Modal bandwidth at 850 nm at 1300 nm 200 MHz km 600 MHz km 200 MHz km 600 MHz km Number of fibers 2 2 Cable design Splittable outdoor cable Splittable indoor cable Core type Compact core Fixed core Basic elem...

Page 211: ...xible Fiber Optic Trailing Cable and the SIENOPYR Duplex Fiber Optic Marine Cable Cable Type Flexible Fiber Optic Trailing Cable SIENOPYR Duplex Fiber Optic Marine Cable Areas of application Flexible cable for installation in a drag chain indoors and outdoors Fixed installation on ships and offshore facilities in all enclosed spaces and on free decks Available as Preassembled cable with 4 BFOC con...

Page 212: ... element 3 5 0 2 mm 2 9 0 2 mm Outer dimensions approx 12 9 mm 13 3 0 5 mm Cable weight approx 136 kg km approx 220 kg km Permitted tensile load 2000 N brief 1000 N permanent 500 N brief 250 N permanent Bending radii 150 mm Max 100 000 bending cycles 133 mm single 266 mm multiple Installation temperature 5 C to 50 C 10 C to 50 C Operating temperature 25 C to 60 C 40 C to 80 C 1 40 C to 70 C 2 Stor...

Page 213: ...is labeled SIEMENS SIMATIC NET FIBER OPTIC 6XV1 820 5AH10 approximately every 50 cm Meter markers consisting of a vertical line and a 4 figure number make it easier to estimate the length of an installed cable Properties The fiber optic standard cable has the following properties S Can be walked on S Flame retardant complying with IEC 60332 3 cat CF S Not halogen free S Available in meter lengths ...

Page 214: ...s labeled SIEMENS SIMATIC NET INDOOR FIBER OPTIC 6XV1 820 7AH10 FRNC at intervals of approximately 50 cm Meter markers consisting of a vertical line and a 4 figure number make it easier to estimate the length of an installed cable Properties The INDOOR fiber optic cable has the following properties S Can be walked on S Flame retardant complying with IEC 60332 3 and DIN VDE 0472 Part 804 test type ...

Page 215: ...o multimode graded fibers 62 5 125 µm Integrated dummy elements produce a round cross section The outer jacket is labeled SIEMENS SIMATIC NET FLEXIBLE FIBER OPTIC 6XV1 820 6AH10 at intervals of approximately 50 cm Meter markers consisting of a vertical line and a 4 figure number make it easier to estimate the length of an installed cable Properties The flexible fiber optic trailing cable has the f...

Page 216: ... applications in which the cable must be flexible enough to move for example when attached to moving machine parts drag chains The cable is designed for 100 000 bending cycles through 90 at the specified minimum bending radius The trailing cable can be used both indoors and outdoors It is suitable for connecting optical ports operating at the wavelengths of 850 nm and 1300 nm ...

Page 217: ... all the mechanical restrictions involving the cable such as bending radii tensile load etc must be adhered to If these limits are exceeded permanent deterioration of the transmission characteristics may result that can cause temporary or permanent failure of data transmission Figure 7 7 Example of Using the Glass Fiber Optic Trailing Cable in a Drag Chain ...

Page 218: ... wires with a 1 mm2 cross sectional area These can be used for example to supply power to the attached devices The round cross section of the cable makes it easier to seal cable glands The outer jacket is labeled with the year of manufacture and the label SIENOPYR FR MI VHH 2G 62 5 125 3 1B200 0 8F600 2x1CU 300V at intervals of approximately 50 cm Properties The SIENOPYR duplex fiber optic marine ...

Page 219: ...he SIENOPYR duplex marine fiber optic able is intended for fixed installation on ships and offshore facilities in all enclosed spaces and on open decks It is suitable for connecting optical ports operating at the wavelengths of 850 nm and 1300 nm Ordering Appendix I 2 lists an address from which this cable can be ordered ...

Page 220: ...ber types the following fiber types are often used S 50 µm Fiber This fiber is used particularly in Europe in Telecom applications instead of the 62 5 µm fiber The smaller core diameter means that less power can be coupled into the fiber and reduces the distance that can be covered S 10 µm Fiber This single mode fiber is used for transmission over extremely long distances The use of this single mo...

Page 221: ... Electrical Networks 7 25 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Ordering If you require fiber optic cables for particular applications please contact your Siemens representative see Appendix I 2 ...

Page 222: ...OBTs and integrated optical interfaces S Adapter for simplex connector for integrated optical interfaces S BFOC connector for OLM P 7 4 2 Simplex Connector and Adapter for Devices with Integrated Optical Interfaces Definition Simplex connectors are used to attach the fiber optic cable to the integrated fiber optic interface of the PROFIBUS device With certain Siemens modules for example IM 153 2 F...

Page 223: ... Adapter Simplex Connectors Figure 7 9 Simplex Connector and Special Adapter Fitted Together Order Numbers The simplex connector and adapter can be ordered as follows Table 7 6 Order Numbers Simplex Connector and Adapter Accessories Order number SIMATIC NET PROFIBUS plastic fiber optic cable simplex connector polishing kit 100 simplex connectors and 5 polishing kits for assembling SIMATIC NET PROF...

Page 224: ...OFIBUS nodes depends on the type of fiber optic cable used Table 7 7 Permitted Cable Lengths in Networks with Integrated Optical Interfaces Bus Topology Fiber optic cable SIMATIC NET PROFIBUS Maximum cable lengths between two nodes in m For 1 Network 32 nodes in m Plastic fiber optic duplex cord 50 1550 Plastic fiber optic standard cable 50 1550 PCF fiber optic standard cable 300 9300 Table 7 8 Pe...

Page 225: ...simply yourself The paragraph below contains information about the installation instructions and the rules for laying cables are explained in Appendix C Instructions for Assembling Plastic Fiber Optic Cables A detailed instruction manual explaining how to assemble plastic fiber optic cables with simplex connectors and illustrated by photographs is available from the following sources S Appendix D ...

Page 226: ... installing longer fiber optic cable connections for example between OLM P modules BFOC connectors must be ordered separately Ordering information and instructions on fitting the connectors can be found in Appendix D Figure 7 10 BFOC Connectors with Accessories Crimping Sleeve and Anti Kink Sleeve for Plastic FO Cables 7 4 4 Connectors for Glass Fiber Cables BFOC Connectors for Glass Fiber Optic C...

Page 227: ... fitted by trained staff When fitted correctly they allow extremely low coupling attenuation and the value can be repeated after inserting the connector several times Preassembled Cables To be able to use glass fiber optic cables with untrained personnel glass fiber optic cables are also available with four BFOC connectors already fitted For ordering data please refer to the current SIMATIC NET Ca...

Page 228: ...Passive Components for Electrical Networks 7 32 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 229: ...8 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Active Components for Optical Networks 8 ...

Page 230: ...lastic fiber optic cables can be used up to a distance of 50 m These can be assembled extremely simply with 2 x 2 simplex connectors on site S PCF fiber optic cables can be used for distances up to 300 m These cables must be ordered preassembled Design The OBT has a compact plastic casing It is suitable both for mounting on a rail and for wall mounting two holes available for screws The OBT has th...

Page 231: ...bps S The OBT regenerates the signals in amplitude and time S Cascading depth when using user defined bus parameters up to 126 nodes S Isolation of the DP node via fiber optic cable S Simple diagnostics with LEDs for operating voltage and for data reception CH1 CH2 and CH3 Ordering Data Order no PROFIBUS OBT Optical bus terminal for attachment of a PROFIBUS RS 485 segment to an optical bus without...

Page 232: ...mplemented as bus star and redundant ring structures The transmission rate of a fiber optic path is not dependent on the distance and can range from 9 6 Kbps to 12 Mbps OLMs can be used in system buses based on PROFIBUS inter building networks with glass fiber optic cables mixed networks with electrical and optical segments large span networks road tunnel traffic control systems networks in which ...

Page 233: ...able 62 5 125 µm such as the SIMATIC NET fiber optic cables can be used to span distances up to 3000 m They must be ordered preassembled with 4 BFOC connectors and are tested before they are supplied S Monomode fiber optic cables 10 125 µm fibers can be used for extremely long distances of up to 15 km These are available on request OLMs can be combined via an RS 485 interface and individual nodes ...

Page 234: ...with segment capability sub D female connector S Unrestricted multimaster operation Extended segmentation function for limiting errors to FO and RS 485 segments S Fast localization of faults Display of the module status via floating signaling contact Testing of the FO path quality Measuring output for optical receiver for logging and detecting the fiber optic signal quality with a voltmeter S High...

Page 235: ...or standard distances with signaling contact and measurement output 6GK1 502 2CB00 PROFIBUS OLM G12 Optical Link Module with 1 x RS 485 and 2 x glass FO interface for standard distances with signaling contact and measurement output 6GK1 502 3CB00 PROFIBUS OLM G11 1300 Optical Link Module with 1 x RS 485 and 1 x glass FO interface for long distances with signaling contact and measurement output 6GK...

Page 236: ...Active Components for Optical Networks 8 8 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 237: ...9 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Active Components for Wireless Networks 9 ...

Page 238: ... to replace systems subject to wear and tear for example slip rings etc At a distance of 11 m an ILM illuminates a circular area with a diameter of 4 m Design S Robust aluminum die cast casing with degree of protection IP 65 S 2 x 2 pin terminal block in the casing with cable connection through heavy duty threaded conduit for attachment to PROFIBUS segment S 4 pin terminal block in the casing with...

Page 239: ...EDs and the signaling contact before data transmission is stopped The module can be operated in daylight thanks to an integrated filter When installing the Infrared Link Module make sure that there is a free line of sight link between the modules When using several ILM transmission paths avoid one path interfering with another by including partitions or maintaining minimum clearances Ordering Data...

Page 240: ...Active Components for Wireless Networks 9 4 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 241: ...A 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Testing PROFIBUS A ...

Page 242: ...ific PROFIBUS experience Even before the system is put into operation the BT200 device can be used to test the RS 485 drivers of the PROFIBUS nodes It is also possible to obtain a list of the accessible slaves on the bus on completion of the wiring without having a PROFIBUS DP master available This means that individual bus segments can be checked in advance reducing the commissioning times If an ...

Page 243: ... for PROFIBUS DP S Compact plastic casing degree of protection IP 30 S Dimensions W x H x D in mm approx 210 x 100 x 50 S LCD Display with 2 x 16 characters S Sealed keypad with eight buttons S Attachment to the PROFIBUS network via 9 pin sub D female connector S Power supply from integrated NC battery S Attachment to charger accessories ...

Page 244: ...and B S Reflections that could cause errors S Check of the number of activated terminating resistors The length of the PROFIBUS cable can also be measured Checking the RS 485 Interface of a Slave The test device is connected to one slave This is supplied with power The device then makes the following measurements S RS 485 driver OK defective S Power supply to the terminating resistor OK not OK S R...

Page 245: ...res that can be taken to remedy problems During the measurement of the reflections the location of the problem is also displayed This means that the user does not require specialized PROFIBUS knowledge to work with the test unit and to find typical problems in the wiring and setup and to eliminate them No additional devices are necessary for the measurements This means a drastic reduction in commi...

Page 246: ...ctor with operating instruction German English without charging unit Charging unit 230V AC 2 4 10 V DC 6GT2 003 1AA00 Charging unit 110V AC 2 4 10 V DC 6EP8106 0HB01 Test connector spare 6EP8 106 0AC20 NC battery pack spare 6EP8106 0HA01 Point to point cable spare 6EP8106 0HC01 You can download the operating instructions free of charge from the Internet under the entry ID 857969 www ad siemens de ...

Page 247: ... it to the attenuation within the entire network To measure this attenuation fiber optic test units must be used following installation During the measurements light with the same wavelength must be used as in the optical transmission system Test Methods In the main two test methods are used 1 The Optical Power Source and Meter 2 Optical Time Domain Reflectometer OTDR A valuable tool for every use...

Page 248: ...l power meter Figure A 2 Measuring the Total Attenuation of a FO Link Evaluating the Results of the Attenuation Measurements An optical power budget is available between an optical transmitter and optical receiver This identifies the difference between the minimum power launched by the transmitter and the minimum optical power required at the receiver The optical power budget is normally specified...

Page 249: ...that the total attenuation of the fiber optic link is too high the causes and the location of the problem must be established In this case OTDR units are used OTDR Optical Time Domain Reflectometer Figure A 3 Optical Time Domain Reflectometer OTDR OTDRs exist for the wavelengths 850 nm and 1300 nm This means that this method can be used for both multimode and single mode fiber optic cables ...

Page 250: ...le to be tested the end of the cable is open These light pulses are reflected more or less strongly by all problem points along the cable A meter evaluates the intensity and propagation time of the reflected pulses Transmitter Laser light Analysis and display Measuring receiver 1 Send light pulses 2 Evaluate reflections for intensity propagation time Test FO cable Figure A 4 How an OTDR Functions ...

Page 251: ...antly along the fiber optic link There are significant jumps at the coupling points of the fiber The following conclusions can be drawn from these results S Whether the coupling points should be replaced due to excessive attenuation S Whether the fiber has been damaged when installing the cable S The distance between the impairments and the start of the fiber Based on this information S defects re...

Page 252: ... sockets on the PROFIBUS OLM V3 The voltmeter can be inserted and removed during operation using 2 mm laboratory test plugs see Figure A 6 Figure A 6 Testing the Signal Quality on an OLM V3 with a Voltmeter This allows the following S The incoming optical power can be documented for example for later measurements aging damage S A good bad check can be made limit value The correlation between the m...

Page 253: ...Testing PROFIBUS A 13 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Figure A 7 Correlation Between the Measured Voltage and Signal Quality with an OLM G12 ...

Page 254: ...Testing PROFIBUS A 14 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 255: ...B 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Lightning and Surge Voltage Protection for LAN Cables Between Buildings B ...

Page 256: ...em and the entire surrounding building is designed for protection from overvoltages This relates particularly to building structures included in the planning of the building We therefore recommend that you contact your Siemens representative or a company specialized in lightning protection if you require more detailed information about overvoltage Further Literature You will find detailed informat...

Page 257: ... to the building the fine protection installed in the vicinity of the DTE provides finer limitation of overvoltage for the bus node S The lightning protection devices described below represent a protection concept developed in conjunction with the company of Dehn Söhne for SIMATIC NET PROFIBUS and that can be used for all transmission rates 9 6 Kbps to 12 Mbps The devices can be ordered directly f...

Page 258: ... 6GK1970 5CA20 0AA1 Release 2 05 2000 PLC PLC PLC PLC Coarse protection at entry to building Fine protection close to first nodes Underground cable potential equalization cable Same protection for further cable entry or exit necessary Figure B 1 Lightning Protection Concept for LAN Cables Between Buildings ...

Page 259: ...ing system with low impedance The following are required to create the coarse protection S The base section type no 919506 S The protection module type B type no 919510 and S The shield contact terminals type no 919508 To avoid EMC and environmental conditions affecting the coarse protection it should be installed in a S protective casing type no 906055 At the same time the transition from the und...

Page 260: ...otection S The base section type no 919506 S The protection module MD HF type no 919570 and S The shield contact terminals type no 919508 The fine protection should be connected to the reference ground of the first bus node for example grounded DIN rail when installing in a cubicle When installing the fine protection outside cubicles IP 65 area or higher this must be installed in S protective casi...

Page 261: ...instructions regarding the products from Dehn Söhne S If there is a fault in a lightning protection module communication on the bus is interrupted cable short circuit To re establish communication temporarily without lightning protection the protective modules can be removed from the base modules since these function as through connected terminals without the protective module S The rest of the pl...

Page 262: ...Lightning and Surge Voltage Protection for LAN Cables Between Buildings B 8 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 263: ...C 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Installing LAN Cables C ...

Page 264: ...upply units peripheral devices etc via cables All the components together form an electrically networked automation system When connecting system components via electrical cables in this case LAN cables remember to take into account their specific requirements in terms of system structure Connecting cables in particular affect the concepts S for safe isolation of dangerous power supply voltages S ...

Page 265: ...r Supply Voltage Between components operated on mains power supply and the PROFIBUS interface the requirements of safe electrical isolation from the power supply complying with DIN VDE 0160 and DIN IEC 950 VDE 0805 EN 60950 UL 1950 CSA 22 2 No 950 must be met 7 24 V DC Power Supply 24 V DC power supplies for components must meet the requirements of low voltage with safe electrical isolation from t...

Page 266: ...a conduit for example PG 11 16 S In areas where the cable is subject to mechanical stress install the cable in a heavy gauge aluminum conduit or in a heavy gauge plastic conduit see Figure C 1 S When 90 bends are necessary and at the junctions between buildings for example expansion joints a break in the conduit is acceptable only when there is no likelihood of damage to the cable for example due ...

Page 267: ... cables involves special requirements Redundant cables should always be installed on separate cable racks to avoid simultaneous damage by the same event Do not kink or crimp the trailing and festoon cables When installing trailing and festoon cables in moving equipment make sure that the cables are not kinked or crimped by other cables and equipment when the cables are moved Do not operate trailin...

Page 268: ...rately To prevent accidental damage to LAN cables they should be clearly visible and should be separate from all other wiring and cables To improve EMC it is often advisable to install the LAN cables in a separate cable channel or in conductive metal tubes Such measures also make it easier to localize a faulty cable ...

Page 269: ... by the CE marking Note The limit values specified can only be guaranteed if the matched components for SIMATIC NET PROFIBUS are used consistently The installation instructions in this manual and in the manuals of the networked programmable logic controllers must also be adhered to exactly C 4 1 Measures to Counter Interference Voltages Overview Measures are often taken to suppress interference vo...

Page 270: ...c electrical or electromagnetic interference fields Interference currents on cable shields must be discharged to ground by short conductive large area connections To prevent these interference currents reaching a device or wiring closet this discharge must take place immediately before or at the point at which the cable enters the device casing wiring closet Cable Shields Note the following points...

Page 271: ...ion C 4 4 S Use fiber optic cable instead of electrical cable safest solution Handling the Shield Note the following points when handling the shield S Secure the braided shield with metal cable clamps S The clamps must make good and large area contact with the shield see Figure C 3 S Contact SIMATIC NET PROFIBUS cables only using the braided copper shield and not the aluminum foil shield The foil ...

Page 272: ...ed using suitable screws Painted surfaces should be avoided at the contact points S Do not use shield clamps contacts for strain relief The contact with the shielding bar could be impaired or be broken altogether Figure C 4 Contacting the Shield at the Point of Entry to a Closet C 4 4 Equipotential Bonding When do potential differences occur Potential differences can for example be caused by diffe...

Page 273: ...mpedance of the LAN cables S Make large area contact between the bonding conductor and the PE conductor S Protect the bonding conductor from corrosion S Install the bonding conductor so that the area enclosed by the bonding conductor and signal cables is as small as possible S Use copper or galvanized steel for the bonding conductor S Include metal conducting cable channels racks in the equipotent...

Page 274: ...ling LAN Cables C 12 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Note Bonding conductors are unnecessary if the sections of a system are connected exclusively using fiber optic cable FO ...

Page 275: ...ressing interference is to keep as large a distance as possible between the cable causing the interference the culprit and the cable affected by the interference the victim Fiber Optic Cables Fiber optic cables are not affected by electrical interference and while mechanical protection is necessary the EMC rules do not apply Telecom Cables Cables for Telecom have special rules generally specified ...

Page 276: ...rds for electromagnetic compatibility in an industrial environment If devices are defective or incorrectly installed higher interference voltages must be expected The following is assumed S The cables for analog signals data signals and process signals are always shielded S The distance from the cables to the chassis surface of the system cabinet wall grounded cable channel is not more than 10 cm ...

Page 277: ...ded PG OP printer counter inputs etc Analog signals shielded DC voltage v 60 V unshielded Process signals v 25 V shielded AC voltage v 25 V unshielded Monitors coaxial cable In common bundles or cable channels DC voltage u 60 V and v 400 V unshielded AC voltage u 25 V and v 400 V unshielded In separate bundles or cable channels no minimum clearance required DC and AC voltage u 400 V unshielded Wit...

Page 278: ...area contact with closet ground S Parallel routing of incoming cables and internal closet wiring between the point of entry into the closet and the shield clamp should be avoided at all costs even with cables of the same category C 5 3 Cabling within Buildings When laying cables outside cabinets but within buildings note the following points S The clearances listed in Table C 1 must be maintained ...

Page 279: ...ply S install cables on metal cable racks S Electrically connect the cable racks where they join S Ground the cable racks S There must be adequate potential equalization between buildings and external facilities regardless of the LAN cables see section C 4 4 in this manual S The cables should be installed as close as possible and parallel to the equipotential bonding S Connect the shields of the c...

Page 280: ...ovides protection against direct lightening strikes S When installing LAN cables along with other cable the clearances specified in section C 5 1 must be adhered to for example using bricks to maintain clearance S The clearance to power cables should be 100 cm unless other regulations require a greater clearance C 5 5 Special Noise Suppression Measures Connecting Switched Inductances to Suppressor...

Page 281: ...mple LINESTRAR lamps Avoid the use of fluorescent lamps since they cause interference If you need to use fluorescent lamps take the measures shown in Figure C 5 Wire mesh screen over the lamp Shielded cable Metal encased switch Power supply filter or shielded power cable Figure C 5 Measures for Interference Suppression of Fluorescent Lamps in a Cabinet ...

Page 282: ...nce Measures for equipotential bonding and for overvoltage protection are unnecessary with fiber optic cables Note Fiber optic cables are ideally suited for LAN connections in areas with high noise levels Remember however that the LAN components operating on an electrical basis such as OLMs OBTs or PLCs with integrated optical interfaces may require additional noise protection measures in such are...

Page 283: ...res and to keep dampness out of the cable Temperatures During transportation cabling and operation the cable must not be exposed to temperatures below the specified minimum temperature or above the specified maximum temperature otherwise the electrical and mechanical characteristics of the cables can deteriorate The permitted temperature ranges of your LAN cable can be found in the technical data ...

Page 284: ... the length of the cable helps to make sure that the cable in not twisted If such moving cables are twisted during installation the cables will probably be damaged soon after they are put into operation Flexible Cable for Torsional Load If the cable is liable to be subjected to torsional load for example robot cables use the SIMATIC NET flexible cable This cable is described in Chapter 4 SIMATIC N...

Page 285: ...e happen when cables are installed along with other cables on a common rack or in a common duct providing this is electrically permitted and when new cables are pulled along the same path later during repairs or when extending a system If LAN cables are installed along with other cables in the same cable channel it is advisable to pull in the sensitive LAN cables last Attachments to PROFIBUS Cable...

Page 286: ...d with a pulling loop and Kevlar sleeve to allow them to be pulled Make sure that you only connect your traction device to this loop You will find detailed instructions about using the loop in Appendix D Fitting Strain Relief Although the BFOC connectors have integrated strain relief and provide protection against kinking it is advisable to secure the cable additionally as close as possible to the...

Page 287: ...lease 2 05 2000 Attaching PROFIBUS Fiber Optic Cables The attachment of the various PROFIBUS fiber optic cables to optical bus components OLM OBT and devices with an integrated optical interface is described in the chapter Passive Components for Optical Networks and in Appendix D ...

Page 288: ...Installing LAN Cables C 26 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 289: ...etworks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Installation Instructions for SIMATIC NET PROFIBUS Plastic Fiber Optic with Simplex Connectors or BFOC Connectors and Pulling Loop for the FO Standard Cable D ...

Page 290: ...Installation Instructions for SIMATIC NET D 2 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 291: ...tructions for Simplex Connectors Page 1 SIMATIC NET Product Information Dated 08 99 Installation Instructions for SIMATIC NET PROFIBUS Plastic Fiber Optic with Simplex Connectors This document contains information in English SIEMENS AG 1999 Subject to change ...

Page 292: ...nt or legal relationship The Purchase Agreement contains the complete and exclusive obligations of Siemens Any statements contained in this documentation do not create new warranties or restrict the existing warranty We would further point out that for reasons of clarity these operating instructions cannot deal with every possible problem arising from the use of this device Should you require furt...

Page 293: ... instructions in this manual and use the tools described here F Set the cutting depth of the cable knife part of the stripping tool set order no 6GK1 905 6PA10 to a depth of 1 5 mm prior to use The cutting depth is set with the adjusting screw at the end of the handle Turning the adjusting screw clockwise increases the cutting depth Turning the adjusting screw counter clockwise reduces the cutting...

Page 294: ...ctions for Simplex Connectors Page 4 F Plug adapters are designed for fitting preassembled cords once If a cord has been inserted and must be removed again the bent cord section must not be used again Cut off the bent cord section and refit the simplex connector ...

Page 295: ...depth Try out the cutting depth Press the clamp of the cable knife in the direction of the arrow Insert the cable Rotate the cable knife twice Slit the outer jacket up to the end of the cable Remove the jacket If the jacket is difficult to remove the cutting depth is not adequate In this case increase the cutting depth by turning the adjusting screw of the cable knife clockwise Try out the setting...

Page 296: ...t to a cutting depth of 1 5 mm Rotate the cable knife twice Slit the outer jacket up to the end of the cable Make a second slit up to the end of the cable on the opposite side of the jacket First turn the cable through 180 Then make a second slit up to the end of the cable starting from the round cut Remove the outer jacket Kevlar fibers and foil working from the end of the cable towards the round...

Page 297: ...Insert a sharp knife 20 cm if fitting a plug adapter 30 cm from the end of the cable in the groove between the two cords and split the cords up to the end of the cable Caution The buffer of the cords must not be damaged Caution Do not split the cords simply by hand since the fibers can easily be bent beyond the minimum bending radius Separated duplex cords ...

Page 298: ...ed AWG 16 The cord must extend approximately 5 mm beyond the blade Press the two handles of the stripper together and hold them together The cord is automatically clamped in the stripper and the buffer is removed Open the handles of the stripper slowly until the clamp releases the cord Remove the cord from the stripper Only open the handles of the stripper completely after you have removed the cor...

Page 299: ...roximately 1 5 mm in length Insert the simplex connector into the polishing holder as far as it will go Grind down the excess fiber by describing a figure of eight on polishing paper 600 grit on a flat solid surface The polishing is completed when the fiber is flush with the end face of the connector Remove the debris from the polishing holder and from the end face of the connector using a clean c...

Page 300: ...lug adapter Cable with plug adapters assembled at both ends with crossed over cords Marking of the SIMATIC NET PROFIBUS plastic fiber optic standard cable for installation without plug adapters To help you connect up the cable correctly the standard cable has arrow markings on the orange cord This helps to make sure that you attach one end of a cord to the transmitter and the other to a receiver c...

Page 301: ...2P 980 1000 150A Plastic FO cable with two cords PVC jacket without connectors for use in environments where it is subjected to little mechanical stress for example within a cubicle or in a laboratory 50 m Ring 6XV1 821 2AN50 SIMATIC NET PROFIBUS Plastic Fiber Optic Stripping Tool Set Cable knife for removing the outer jacket and buffer stripper round cutting pliers for removing the buffer of SIMA...

Page 302: ...talling plastic simplex connectors in conjunction with for example IM 467 FO and IM 153 2 FO 6ES7 195 1BE00 0XA0 Other commercially available accessories Sharp scissors for shortening the Kevlar and the fibers Sharp knife for separating the duplex cords Clean soft cloth for cleaning the polishing holder and the connector end face ...

Page 303: ...Instructions for BFOC Connectors Page 1 SIMATIC NET Product Information Dated 08 99 Installation Instructions for SIMATIC NET PROFIBUS Plastic Fiber Optic with BFOC Connectors This document contains information in English SIEMENS AG 1999 Subject to change ...

Page 304: ...or legal relationship The Purchase Agreement contains the complete and exclusive obligations of Siemens Any statements contained in this documentation do not create new warranties or restrict the existing warranty We would further point out that for reasons of clarity these operating instructions cannot deal with every possible problem arising from the use of this device Should you require further...

Page 305: ... can cause kinks or cracks that may mean irreparable damage to the cable F Follow the instructions in this manual and use the tools described here F Set the cutting depth of the cable knife part of the stripping tool set order no 6GK1 905 6PA10 to a depth of 1 5 mm prior to use The cutting depth is set with the adjusting screw at the end of the handle Turning the adjusting screw clockwise increase...

Page 306: ...epth Try out the cutting depth Press the clamp of the cable knife in the direction of the arrow Insert the cable Rotate the cable knife twice Slit the outer jacket up to the end of the cable Remove the jacket If the jacket is difficult to remove the cutting depth is not adequate In this case increase the cutting depth by turning the adjusting screw of the cable knife clockwise Try out the setting ...

Page 307: ... 5 mm Rotate the cable knife twice Slit the outer jacket up to the end of the cable Make a second slit up to the end of the cable on the opposite side of the jacket First turn the cable through 180 Then make a second slit up to the end of the cable starting from the round cut Remove the outer jacket Kevlar fibers and foil working from the end of the cable towards the round cut leaving the black an...

Page 308: ...C Duplex Cord Insert a sharp knife 20 cm from the end of the cable in the groove between the two cords and split the cords up to the end of the cable Caution The buffer of the cords must not be damaged Caution Do not split the cords simply by hand since the fibers can easily be bent beyond the minimum bending radius Separated duplex cords ...

Page 309: ... the opening labeled AWG 16 The cord must extend at least 10 mm beyond the blade Press the two handles of the tool and hold them together The cord is automatically clamped in the tool and the buffer is removed Open the handles of the tool until the clamp releases the cord Remove the cord from the tool Only open the handles of the tool completely after you have removed the cord Caution If the handl...

Page 310: ...5 mm Make sure that the crimping sleeve is fully in the tool Press the handles of the crimping tool together firmly The connector body is fixed to the cord and the crimping sleeve Note The tool can only be opened again after the required pressure has been reached Open the crimping tool and remove the cord Push the anti kink boot onto the connector body as far as the end stop Cut off excessive fibe...

Page 311: ... connector Remove the connector from the polishing disc and remove the debris with a soft lint free cloth Fit the connector into the white polishing disc Finally place the light gray polishing paper 1500 grit on a firm flat surface and polish the connector end face by describing a figure of eight while applying gentle pressure to the connector Repeat the figure of eight movement approximately 25 t...

Page 312: ... end of a cord to the transmitter and the other to a receiver crossed over cords First connect the orange cord If the arrow on the orange cord is pointing out of the cable connect this cord to the receiver The receiver is identified by an arrow pointing into a circle If the arrow on the orange cord points into the cable picture connect this cord to the transmitter The transmitter is identified by ...

Page 313: ...r example within a cubicle or in a laboratory 50 m Ring 6XV1 821 2AN50 SIMATIC NET PROFIBUS Plastic Fiber Optic Stripping Tool Set Cable knife for removing the outer jacket and buffer stripper round cutting pliers for removing the buffer of SIMATIC NET PROFIBUS plastic fiber optic cables 6GK1 905 6PA10 SIMATIC NET PROFIBUS Plastic Fiber Optic BFOC crimping tool For fitting BFOC connectors to PROFI...

Page 314: ...nstructions for BFOC Connectors Page 12 Other commercially available accessories Sharp scissors for shortening the Kevlar and the fibers Sharp knife for separating the duplex cords Clean soft cloth for cleaning the polishing discs and the connector end face ...

Page 315: ...ic Standard Cable Page 1 SIMATIC NET Product Information Dated 08 99 How to Use the Pulling Loop for the SIMATIC NET PROFIBUS PCF Fiber Optic Standard Cable This document contains information in English SIEMENS AG 1999 Subject to change ...

Page 316: ... out that the contents of this product documentation shall not become a part of or modify any prior or existing agreement commitment or legal relationship The Purchase Agreement contains the complete and exclusive obligations of Siemens Any statements contained in this documentation do not create new warranties or restrict the existing warranty We would further point out that for reasons of clarit...

Page 317: ...e maximum permitted loads tensile load transverse compressive load etc specified in the data sheet of the cable you are using Excessive transverse compressive load can for example result by using screw clamps to secure the cable F Always use the pulling loop to pull in the PCF standard cable Never pull in the cable by the connectors or stripped cords F Only use PCF fiber optic cables with devices ...

Page 318: ...ents them from kinking Caution Pull in the cable using only the loop Never pull on the protective sleeve or the outer jacket of the cable After the cable has been installed the pulling loop must be removed Cut open the back end of the protective sleeve with scissors for a length of approximately 10 cm Caution Make sure that you do not damage the cords beneath the protective sleeve Free the cords f...

Page 319: ...eiver crossed over cords Remove the dust cap shortly before you insert the connector into the socket First connect the orange cord If the arrow on the orange cord is pointing out of the cable connect this cord to the receiver The receiver is identified by an arrow pointing into a circle If the arrow on the orange cord points into the cable picture connect this cord to the transmitter The transmitt...

Page 320: ... NET PROFIBUS PCF Fiber Optic cable I VY2K 200 230 10A17 8B20 PCF FO cable with 2 cords PVC outer jacket for spanning distances up to 300 m preassembled with 2 x 2 simplex connectors outer jacket stripped over 30 cm with pulling loop fitted at one end for connecting devices with integrated optical interfaces and OBT Standard lengths 50 m 6XV1821 1CN50 75 m 6XV1821 1CN75 100 m 6XV1821 1CT10 150 m 6...

Page 321: ...he degree of protection specifies the degree to which the casing meets these three protective functions The degrees of protection are specified uniformly in the International Standard IEC 60529 or in the identical European standard EN 60529 The degree of protection of a casing is indicated by a code The code consists of the letters IP International Protection followed by a code number for contact ...

Page 322: ...orded Brief Outline Code Number Contact and Solid Body Protection Water Protection 0 No protection No protection 1 against solid bodies 50 mm diameter dropping vertically 2 against solid bodies 12 mm diameter dropping inclined at 15 3 against solid bodies 2 5 mm diameter spray water inclined up to 60 5 against solid bodies 1 mm diameter spray water from any direction 6 dust deposits spray water wa...

Page 323: ...ction the components must be installed in an additional enclosure such as a switching cubicle that provides the higher degree of protection for example IP 65 IP 67 If you install these components in an additional enclosure make sure that the conditions required for operation are maintained Heat Dissipation Make sure that the temperature inside the additional enclosure does not exceed the permitted...

Page 324: ...ostatic contact discharge contamination by dust and fluids Close unused ports with the supplied dust protection caps Remove these caps only immediately before connecting up the cables to the ports Standards EN 60529 1991 Degrees of protection provided by casing IP code IEC 60529 1989 EN 60529 1989 Degrees of protection provided by enclosures IP Code Further Literature Klingberg G Mähling W Schalts...

Page 325: ...F 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Dimension Drawings F ...

Page 326: ...tors End face of sub D male conn End face of sub D male conn 15 8 8 0 2 34 10 SIEMENS on off 8 0 2 15 8 34 10 SIEMENS on off without PG socket with PG socket 64 64 25 25 5 5 Figure F 1 Bus Connector to IP 20 6ES7 972 0B 11 0XA0 15 34 4 35 10 25 30 58 End face of sub D male conn Figure F 2 Bus Connector to IP 20 6ES7 972 0BA30 0XA0 ...

Page 327: ...0 1 38 8 0 1 15 8 38 54 54 25 25 5 5 End face of sub D male conn 10 10 End face of sub D male conn 35 35 without PG socket with PG socket Figure F 3 Bus Connector to IP 20 6ES7 972 0B 40 0XA0 15 56 35 39 OFF ON SIEMENS 10 End face of sub D male conn Figure F 4 Bus Connector to IP 20 6GK1 500 0EA02 ...

Page 328: ...4 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 16 36 35 11 6 72 7 Figure F 5 FastConnect Bus Connector 6ES7 972 0B 50 0XA0 28 4 34 3 61 75 44 1 15 8 Figure F 6 FastConnect Bus Connector 6GK1 500 0FC00 ...

Page 329: ... PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 F 2 Dimension Drawings of the RS 485 Repeater 73 125 128 45 Figure F 7 RS 485 Repeater on Standard Rail 125 70 45 Figure F 8 RS 485 Repeater on S7 300 Rail ...

Page 330: ...US Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 F 3 Dimension Drawing of the PROFIBUS Terminator PROFIBUS TERMINATOR 6ES7 972 0DA00 0AA0 DC 24 V L M PE A1 B1 SIEMENS 70 60 29 6 40 3 44 5 Figure F 9 PROFIBUS Terminator ...

Page 331: ...ROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 F 4 Dimension Drawings of the RS 485 Bus Terminal 138 53 SINEC L2 PG OP Bus Terminal RS 485 64 84 50 Figure F 10 RS 485 Bus Terminal on 15 mm high Standard Rail ...

Page 332: ... 8 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 F 5 Dimension Drawings of the BT12M Bus Terminal SIMATIC NET Bus Terminal 12M 64 84 50 138 53 Figure F 11 BT12M Bus Terminal on 15 mm high Standard Rail ...

Page 333: ...IBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 F 6 Dimension Drawings of the Optical Bus Terminal OBT 138 86 SIMATIC NET Optical Bus Terminal 64 50 Figure F 12 Optical Bus Terminal OBT on 15 mm high Standard Rail ...

Page 334: ...TIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 CH1 SIMATIC NET PROFIBUS Optical Bus Terminal 6GK1500 3AA00 1 2 3 4 5 6 7 L 24V CH1 CH2 CH3 CH2 CH3 PE M L NEC CLASS2 24VDC 200 mA 42 5 67 3 Figure F 13 Drilling Template for the Optical Bus Terminal OBT ...

Page 335: ...ease 2 05 2000 F 7 Dimension Drawings Infrared Link Module ILM SIEME NS P R LF IB U SIL M 30 175 80 60 57 5 87 5 15 Figure F 14 PROFIBUS ILM 1 1 5 2 163 Mounting drill hole 1 Mounting drill hole 2 Figure F 15 Drilling Dimensions for Securing the PROFIBUS ILM to a Mounting Plate ...

Page 336: ...ings F 12 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 F 8 Dimension Drawings Optical Link Module OLM 5 5 40 52 92 137 approx 150 Figure F 16 Optical Link Module OLM on 15 mm high Standard Rail ...

Page 337: ...3 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 94 61 Figure F 17 Mounting the Optical Link Module OLM on a 7 5 mm high Standard Rail Figure F 18 Mounting the Optical Link Module OLM on a Mounting Plate ...

Page 338: ...Dimension Drawings F 14 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 339: ...G 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Operating Instructions ILM OLM OBT G ...

Page 340: ...Operating Instructions ILM OLM OBT G 2 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 341: ...B5530 3AC30 0BA1 PROFIBUS ILM Infrared Link Module Im Nachfolgenden finden Sie Informationen in deutscher Sprache The following description contains information in English E SIEMENS AG 1998 Änderungen vorbehalten Subject to change Sous réserve de modifications Con riserva di modifiche ...

Page 342: ...espondante Pour les références de comĆ mande de la documentation veuillezĆvous reporter aux catalogues ou consulter votre agence locale SIEMENS La mise en service est interdite tant que la machine dans laquelle est incorporé ce composant n est pas conforme aux prescripĆ tions de la directive 89 392 CEE Attenzione Primadellamessainfunzione osservareattentamenteleavvertenzeriportatenelladocumentazio...

Page 343: ...en Fall der Patenterteilung oder GM Eintragung Copyright Siemens AG 1998 All Rights Reserved We have checked the contents of this manual for agreement with the hardware described Since deviations cannot be precluded entirely we cannot guarantee full agreement However the data in this manual are reviewed regularly and any necessary corrections included in subsequent editions Suggestions for improve...

Page 344: ... described in the operating instructions WARNING Failure to heed warnings may result in serious physical injury and or material damage Only appropriately qualified personnel may operate this equipment or work in its vicinity Personnel must be thoroughly familiar with all warnings and maintenance measures in accordance with these operating instructions Correct and safe operation of this equipment r...

Page 345: ... Monitoring the Optical Link 20 5 6 1 Monitoring the Optical Receive Activity 20 5 6 2 Monitoring the Optical Link with an Acknowledgment Pulse 20 6 Modes and Settings 22 6 1 Setting the Terminating Resistor 23 6 2 Setting the Transmission Rate 24 6 3 Operation With Acknowledgment Pulse 25 6 4 Operation with Signaling Contact 26 7 Installation and Startup 28 7 1 Notes on Safety 28 7 2 General Note...

Page 346: ...rs Due to Incorrect Network Configuration 45 10 2 1 Calculating the Propagation Time on Electric Cables and Fiber Optic Cables 45 10 2 2 Delay Time of the PROFIBUS ILM 46 10 2 3 Delay Time of Further Active PROFIBUS Network Components 46 10 2 4 Transmission Delay Time TTD 46 11 Technical Specifications 47 11 1 Illumination Range 50 12 Appendix 52 13 References 53 ...

Page 347: ...y Siemens 1 The Product 1 x PROFIBUS ILM 1 x sealing plugs for unused threaded cable inlet 1 x order form Not included with the product are â Mounting brackets â Cables for attaching to PROFIBUS or power supply cables â Description and Operating Instructions ...

Page 348: ...sistor deactivated Active or or passive bus node Infrared link module ILM terminating resistor deactivated Important information and notes Bus connector terminating resistor activated 4 Sequence of actions to be performed by the user Passive bus node Slave ILM Master ILM Infrared link module ILM terminating resistor activated ...

Page 349: ...e to link an existing PROFIBUS network with a second PROFIBUS network without a physical cable connection between the two subnets electrical cables or fiber optic cable The PROFIBUS ILM is therefore particularly suitable for cableless links with the following â Turntables â Automatic transport systems â Modifiable test equipment The transmission is optical and therefore depends on line of sight co...

Page 350: ...nd data light barriers of other manufacturers is not possible due to the differences in the optical transmission techniques The electrical channel of the PROFIBUS ILM uses the RS 485 transmission technique which is typical for PROFIBUS and processes the standard data rates of 9600 bps to 1 5 Mbps The data rate must be set by the user The electrical channel is connected via SIMATIC NET PROFIBUS cab...

Page 351: ... construction is a compact stable metal housing splash water protected with degree of protection IP65 The casing must be mounted by the user on a grounded surface with two screws When shipped the data rate is set to 1 5 Mbps the signaling contact is not activated if errors occur and the terminating resistor is not activated ...

Page 352: ...ies â The point to point link between two PROFIBUS ILMs where one or more master or slave nodes can be attached to one subnet and one or more slave nodes can be attached to the other â The point to multipoint link between a PROFIBUS ILM to which a subnet with one or more masters or slaves is connected and n PROFIBUS ILMs with n subnets or DTEs without master functionality In a point to multipoint ...

Page 353: ...sion link is implemented as a point to point link by the two PROFIBUS ILMs In this situation the two PROFIBUS ILMs replace a cable connection between the two network segments Remember that only slave nodes are permitted in the slave network segments Make sure that the terminating resistors are activated at the segment ends either in the bus connector or in a PROFIBUS ILM Cascading is a further app...

Page 354: ...sure that the two infrared transmission links do not interfere with each other in other words either the spatial arrangement of the modules clearance or a physical barrier wall must ensure that each PROFIBUS ILM can only detect the transmission of its partner module and cannot detect emissions from either of the modules of the other infrared link Note When cascading the delay times of the PROFIBUS...

Page 355: ...ave Slave ILM ILM ILM ILM Infrared transmission link 1 0 5 to 15 m Infrared transmission link 2 0 5 to 15 m PROFIBUS master network segment PROFIBUS slave network segment 1 PROFIBUS slave network segment 2 Optical isolation between the transmission links Figure 3 Cascading Two PROFIBUS ILM Transmission Links ...

Page 356: ...rom the modules of the other infrared links If this is not guaranteed this can lead to problems in the master network segment The response of a slave node is detected at slightly different times in the master segment due to the unsynchronized operation of the PROFIBUS ILM causing pulses to be lost on the master network segment The advantage of this arrangement is that if there is a problem on an i...

Page 357: ...link 1 0 5 to 15 m Optical isolation between the infra red transmission links PROFIBUS slave network segment 2 PROFIBUS slave network segment 1 PROFIBUS master network segment Slave Slave Slave Slave Slave Slave Slave Master Master ILM ILM ILM ILM Figure 4 Link Between Several Slave Network Segments and One Master Network Segment ...

Page 358: ...aster node and because there is only one PROFIBUS ILM on the master network segment there are no synchronization problems with the response The advantage of this arrangement is that with n slave segments only n 1 PROFIBUS ILMs are required The disadvantages of this arrangement are not only the restrictions in the arrangement of the slave PROFIBUS ILMs to a solid angle of 10 degrees but also from t...

Page 359: ...ROFIBUS slave network segment 1 PROFIBUS slave network segment 2 Infrared transmission link 3 0 5 to 15 m PROFIBUS slave network segment 3 Slave Slave Slave Slave Slave Slave Slave Slave Slave Master Master ILM ILM ILM ILM PROFIBUS master network segment Figure 5 Point to Mulitpoint Link with n 1 PROFIBUS ILMs One Master Subnet 3 Subnets with Slaves ...

Page 360: ... ILM is 80 to 85 of the maximum distance in this direction In the optical axis receiver and sender are directly opposite and turned through exactly 180 degrees to each other the maximum distance is 15 m in other words at approximately 12 m to 13 m between the sending and receiving PROFIBUS ILMs the received optical level is still 1 4 times the minimum receive level A reserve of 2 to 3 m remains al...

Page 361: ...hannel occur when there has been no change in the status of the optical receive channel for a period of approximately 300 ms in other words when no message was received within 300 ms or a received message takes longer than 300 ms Note The activate signaling contact if problems occur in reception configuration should not be set on the PROFIBUS ILM in the master subnet if its partner ILM only has on...

Page 362: ...hat send activity can also be recognized with short data fields â If an acknowledgment is received for a sent frame and the monitor link with acknowledgment pulse configuration is set the TX LED is lit yellow â If no acknowledgment is received and the monitor link with acknowledgment pulse configuration is set the TX LED changes color from yellow to orange The pulse for this display is also extend...

Page 363: ...toring mechanism is inactive â The activation of the signaling contact is disabled The settings can be made after removing the cover from the basic module using switches S201 transmission rate and monitoring mechanisms and S202 terminating resistor 1 1 0 1 Configuration switch S201 Terminating resistor switch S202 Plug connector for ribbon cable Power supply and signaling contact Cable clamps for ...

Page 364: ...st be set to terminating resistor activated if a PROFIBUS ILM is located at the start or end of an electrical PROFIBUS network only one PROFIBUS cable connected The switch must be set to terminating resistor deactivated if a PROFIBUS ILM is looped into a PROFIBUS network two PROFIBUS cables connected If the terminating resistor is not set correctly sporadic errors will occur on PROFIBUS that canno...

Page 365: ... transmission rate of 45 45 Kbps The transmission rate of the attached bus nodes must be within the tolerance of 0 3 The user must set the same transmission rate on all PROFIBUS ILMs in a PROFIBUS network 1 2 3 4 5 6 7 8 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 Switch for setting the transmission rate Setting 0 Setting 1 As shipped All switches 0 1 5 Mbps 500 Kbps 187 5 Kbps 93 75 Kbps 45 4...

Page 366: ...ed for the use of point to point links between two PROFIBUS ILMs Note If a point to multipoint topology is being used this mechanism must be deactivated otherwise problems can occur on the bus 1 2 3 4 5 6 7 8 4 4 Switch 4 Link monitoring with acknowledgment pulse Setting 0 Setting 1 Operation without acknowledgment pulse Operation with acknowledgment pulse As shipped All switches 0 Figure 9 Operat...

Page 367: ...the user decides which events trigger the signaling contact If more than one problem is configured to trigger the signaling contact the problem cannot be localized using the signaling contact alone In this case the LED displays can also provide information and step by step disabling of the switches that activate the signaling contact can narrow down the problem Note Remember that if you want to ac...

Page 368: ...dg ment pulse absent Signaling contact activated if acknowledgment pulse absent Signaling contact not activated if no reception or permanent reception Signaling contact activated if no reception or permanent reception Signaling contact not activated by extraneous light Signaling contact activated by extraneous light Signaling contact not activated by low receive level Signaling contact activated b...

Page 369: ...the signalling contact must be a safe extra low voltage complying with IEC 950 EN 60 950 VDE 0805 According the CUL approval you should connect the signalling contact only at the load side of a Class 2 or Class 3 power source as defined by the National Electric Code NEC Article 725 2 and the Canadian Electrical Code CEC â Wiring the PROFIBUS ILM pay attention to the wiring methods described in NEC...

Page 370: ...connect the cables before actually mounting the modules 3 Depending on your bus topology activate or deactivate the terminating resistor active when the ILM is at the end of the cable deactivated if the ILM is looped into the cable 3 Set the transmission rate configured in the PROFIBUS network to the same setting on all PROFIBUS ILMs of a PROFIBUS network using the switches 3 Set the monitor link ...

Page 371: ...rors The red LOW LED should only be lit when the level on the infrared link is close to the minimum receive level operation at the edge of the illumination cone 3 Check the data exchange for incorrect data using SCOPE for PROFIBUS TMG i tec a tool for diagnostics on PROFIBUS networks ...

Page 372: ...ROFIBUS ILM to a Mounting Plate Select the site for installing the module so that the climatic limit values and mechanical stress values as described in the technical specifications are adhered to When installing the module make sure in particular that no direct sunlight falls on the device otherwise both the temperature range of the device maximum 60 C and the light intensity in the infrared rang...

Page 373: ... way of mounting the PROFIBUS ILM is to use a support that allows the module to be aligned with the partner station A suitable support would be as follows Mechanically stable Low resistance and low inductance connection to ground or the vehicle chassis Adjustable so that optimum alignment along the optical axis to the partner station is possible Simple and cheap to make Corrosion proof depending o...

Page 374: ... Example of a Simple Mounting Bracket Instead of drilling individual holes in a circular arc with a diameter of 171 1 mm with 4 5 mm diameter pairs of holes opposite each other you can also cut two arc shaped slits in the plate This requires a cutting device but has the advantage that the ILM can be aligned continuously and therefore more accurately on the vertical axis during operation ...

Page 375: ...uring of the PROFIBUS ILM is described in Figures 13 to 15 SIEMENS PROFIBUSILM Installation of the ILM with a mounting bracket front view Site of in stallation Mounting bracket 2 Secured to a base with two bolts Toothed washer Bolt M 6x16 Nut M6 Washer Mounting bracket 1 Figure 13 Front View of the PROFIBUS ILM Installed with Mounting Brackets ...

Page 376: ...on Installation of the ILM with mounting bracket top view Washer Two toothed washers Bolt M6 x 16 Nut M6 Washer Alignment by installing in other holes Mounting bracket 2 Secured on base with two M4 bolts Mounting bracket 1 Figure 14 Top View of the PROFIBUS ILM Installed With Mounting Brackets ...

Page 377: ...on the mounting surface it is possible to turn the PROFIBUS ILM through the vertical axis however the adjustment is not continuous By loosening the M6 securing bolts the PROFIBUS ILM can be adjusted continuously to align it to the partner station in the horizontal axis To add greater stability it is advisable to use toothed washers with the bolts It is also advisable to install the module at the e...

Page 378: ...rminals marked A or B are electrically identical A B A B Terminal block Cable clamp Cable installed Bare wire approx 8 mm Core insulation approx 8 mm Fold back braided shield approx 8 mm Figure 16 Connecting the PROFIBUS Cables Fold back the braided shield over the outer jacket of the LAN cable This provides you with a sufficiently large cable diameter to clamp the cable Screw the threaded cable i...

Page 379: ...ss on the PROFIBUS cable is liable to change make sure that you install additional strain relief The cable clamp in the device itself is only intended for low resistance discharge of spurious voltages on the shield The threaded cable inlet is used only for sealing the cable entry and to prevent the cable being pulled out accidentally Neither of these however is intended as strain relief against co...

Page 380: ...on approx 8 mm Fold back braided shield approx 8 mm Figure 17 Connecting the Power Supply and Signaling Contact Cable If you have chosen a shielded cable make sure that there is a good electrical connection between the braided shield and shield clamp This is guaranteed if you fold back the braided shield over the outer jacket of the cable This provides you with a sufficiently large cable diameter ...

Page 381: ... Acknowledgment pulse was not detected acknowledgment pulse mechanism activated and configured to trigger the signaling contact â No changing reception activity on the optical receiver if this was configured to trigger the signaling contact â Too much extraneous light at the optical receiver if this was configured to trigger the signaling contact â Receive level low at optical receiver if this was...

Page 382: ...d or acknow ledgment bit mechanism not activated lit orange Data being sent acknowledgment bit activated but not correctly received RX yellow LED not lit Data not optically received lit yellow Data optically received LOW red LED not lit Receive level OK RX LED lit no receive level RX LED also not lit lit red Data optically received the level is however low RX LED also lit risk of data errors ERROR...

Page 383: ... Connected PROFIBUS master defective not sen ding PROFIBUS node is not attached or attached PROFIBUS node is not turned on No partner station detected with attached PROFI BUS master POWER LED lit green TX LED not lit RX LED lit yellow Interruption on one or more cores of the RS 485 LAN cable Reversed connection of core A and B of the RS 485 LAN cable Attached PROFIBUS slave defective not sen ding ...

Page 384: ...it Partner station not responding because not atta ched infrared link interrupted incorrectly configu red PROFIBUS address of the slave incorrect data rate of the partner PROFIBUS ILM set incor rectly etc Signals when configured bus activity POWER LED lit green TX LED lit yellow RX LED lit yellow LOW LED lit red Risk of problems on bus since infrared link has too much attenuation obstacles in area...

Page 385: ...on cause of problems is activating or deactivating the terminating resistor incorrectly You should also check that the cable shields at the ends of all PROFIBUS cables and all shielded power supply cables are making satisfactory contact Note Remember that sporadic data errors on the cable network are not detected by the PROFIBUS ILM The PROFIBUS ILM cannot check the contents of frames but can only...

Page 386: ...Note If the configuration software you have used to configure your PROFIBUS network does not support the PRO FIBUS parameter TTD increase the two times min TSDR and max TSDR in each case by 2 x TTD the reac tion time of the responder is increased by the transmission delay time for the outward and return path 10 2 1 Calculating the Propagation Time on Electric Cables and Fiber Optic Cables The prop...

Page 387: ...al time constant but depends on the transmission rate The number of logic levels in series is relevant with each causing a bit time delay The delay time per PROFIBUS ILM is 6 bit times from RS 485 input to infrared output when sending and 3 bit times from infrared input to RS 485 output when receiving The total delay time of the RS 485 input of the sending PROFIBUS ILM to the RS 485 output of the ...

Page 388: ...t RS 485 output 3 bit times Electrical channel Input output signal RS 485 level Input voltage dielectric strength 10 V to 15 V Interface signals Ungrounded within the SELV limits Terminating resistors Activated with DIP switch Optical channel Optical source 21 LEDs Optical power 280 mW effective with alternating 0 1 sequence Receiver sensitivity 0 5 A W 28 dBmW Wavelength 860 nm to 880 nm Distance...

Page 389: ...quency noise 10 V m at 80 amplitude modulation with 1 kHz 80 MHz 1 GHz ENV 50140 IEC 1000 4 3 10V m at 50 duty cycle at 900 MHz ENV 50 204 10 V m at 80 amplitude modulation at 1 kHz 10 kHz 80 MHz ENV 50141 Immunity to disturbances on the cable burst On power supply cables and shielded RS 485 LAN ca bles 2 kV IEC 1000 4 4 Immunity to disturbances on the cable surge On power supply cables 1 kV balan...

Page 390: ...ary reduction in the distance that can be covered There is no permanent functional disturbance and no damage to the electronics if the threaded cable inlet ful fills the requirements of IP65 Mechanical environmental conditions Oscillation during operation 10 to 58 Hz 0 075 mm deflection 58 to 150 Hz 10 m s2 1g acceleration IEC 68 2 6 Oscillation during transportation 5 to 9 Hz 3 5 mm deflection 9 ...

Page 391: ...lthough the send window of the PROFIBUS ILM is neither round nor square from a distance of 2 m the illuminated area is practically round since from this distance the light source can be assumed to be a point At a distance greater than 12 m in the same way as the illumination provided by a spotlight the illuminated area starts to reduce At 15 m distance an illuminated area of 2 m diameter is guaran...

Page 392: ...3AC30 0BA1 50 Copyright by Siemens The LOW LED displays critical receive levels Minimum distance to partner ILM 0 5 m ILM Optical axis 2 m 4 m 10 degrees aperture angle 12 m 15 m Figure 19 Transmitter Illumination of the PROFIBUS ILM ...

Page 393: ...Cable Type B complying with DIN 19 245 Part 1 04 91 Section 3 1 2 3 Remember the restricted distance and transmission rate possible with the Type B cable according to Table 2 Cable Parameters Type A Type B Characteristic resistance 135 to 165 ohms 3 to 20 MHz 100 to 130 ohms f 100 kHz Capacitance per unit length 30 pF m 60 pF m Loop resistance 110 Ohms km Core diameter 0 64 mm 0 53 mm Core cross s...

Page 394: ... 91 Messen Steuern Regeln PROFIBUS Teil 1 Process Field Bus Übertragungstechnik â DIN 19245 Teil 2 10 91 Messen Steuern Regeln PROFIBUS Teil 3 Process Field Bus Dezentrale Peripherie DP â EIA Standard RS 485 April 1983 Standard for electrical characteristics of generators and receivers for use in balanced digital multipoint systems ...

Page 395: ...e EU conformity certificates are available for the relevant authorities according to the EU directive and are kept at the following address Siemens Aktiengesellschaft A D PT2 Industrielle Kommunikation Postfach 4848 D 90327 Nürnberg Directive on Machines The product remains a component in compliance with Article 4 2 of the EU directive on machines 89 392 EEC According to the directive on machines ...

Page 396: ...Infrared Link Modul ILM 6ZB530 3AC30 0BA1 54 Copyright by Siemens ...

Page 397: ...Description and Operating Instructions SIMATIC NET PROFIBUS Optical Link Modules OLM P11 OLM P12 OLM G11 OLM G12 OLM G12 EEC OLM G11 1300 OLM G12 1300 ...

Page 398: ...d only in conjunction with external devices and components recommended or approved by Siemens The product can only be operated correctly and safely if it is transported stored installed and assembled properly and correctly Furthermore it must be operated and serviced carefully Trademarks SIMATIC and SIMATIC NET are registered trademarks of Siemens AG Other designations in this manual may be regist...

Page 399: ... 3 2 Setting the operating mode 18 4 3 3 Reducing the optical transmitting power on the OLM P11 and OLM P12 19 4 4 Installation 20 4 4 1 Connecting the optical lines 20 4 4 2 Mounting the modules 21 4 4 3 Connecting the electric RS 485 bus lines 22 4 4 4 Connecting the power supply 23 4 4 5 Connecting the signaling contact lines 23 4 4 6 Defining the receiving level of the optical ports 24 5 LED I...

Page 400: ...GK1 502 2CA00 SIMATIC NET OLM P12 6GK1 502 3CA00 SIMATIC NET OLM G11 6GK1 502 2CB00 SIMATIC NET OLM G12 6GK1 502 3CB00 SIMATIC NET OLM G12 EEC 6GK1 502 3CD00 SIMATIC NET OLM G11 1300 6GK1 502 2CC00 SIMATIC NET OLM G12 1300 6GK1 502 3CC00 ...

Page 401: ...ndent ports which in turn consist of a transmitting and a receiving component The device is powered by 24V DC voltage A redundant feed increases operational safety The electric port is a 9 pole Sub D socket female An RS 485 bus segment in line with the PROFIBUS standard EN 50170 can be connected to this port The optical fibers are connected using BFOC1 2 5 connectors Four multicolored light emitti...

Page 402: ...Optics Company One measuring output is available for each optical port where the optical input level can be measured using a conventional voltmeter Different OLM malfunction reports are provided as an accumulative signal via a signaling contact relay with unconnected contacts for further processing The mechanical design consists of a compact stable metal housing which can be mounted on a hat rail ...

Page 403: ... bus subscriber must be switched on and active in order to check the optical fiber connections during the installation This bus subscriber serves as the frame source The PROFIBUS OLMs act passively when it is switched on They recognize the transfer speed from the frames sent by the bus subscriber An optical help when putting the device into operation is provided by the port LED which then lights u...

Page 404: ...relevant receiver is separated from the other ports from the moment a frame is sent until the echo has been received correctly Segmentation If an echo monitoring error or a frame falsification arises at an optical port the module assumes that the line is faulty and blocks this port for user data The connected field bus partial network is then segmented cut off This segmen tation causes the module ...

Page 405: ...eas with a high EMC incidence only lay optical fiber lines in order to exclude the possibility of EMC affecting the whole network Optically only OLMs of the same type can be connected together OLM P11 with OLM P12 OLM G11 with OLM G12 and OLM G12 EEC OLM G11 1300 with OLM G12 1300 Optical ports which are connected by optical fiber must be set to the same operating mode Junctions between different ...

Page 406: ...nd segmentation This operating mode should preferably be used if an interrupted fiber segment is to be separated from the rest of the network Only use this operating mode if you have just connected PROFIBUS OLMs together of the same version Monitoring mechanisms Send echo yes Monitor echo yes Suppress echo yes Monitor yes Segmentation yes In this operating mode the individual fiber links are monit...

Page 407: ... OLM with another optical fiber network component which does not send a frame echo and does not expect or is not compatible with a frame echo in accordance with PROFIBUS guidelines optical electrical converter Monitoring mechanisms Send echo no Monitor echo no Suppress echo no Monitor no Segmentation no Individual fiber links are not monitored in this operating mode ...

Page 408: ...nected to this by dual fiber optical fiber lines The modules of the star coupler are connected to one another via the electrical port electrical star segment All OLM types for different fiber types plastic PCF glass can be combined using the electrical star segment Please note CH1 in mode Monitor off S0 1 must be activated on all OLMs which are connected to the electrical star segment This deactiv...

Page 409: ...er to the electrical star segment wherever possible Modules with one or two optical ports can be used to create an active PROFIBUS star coupler Modules with one optical port are sufficient for connecting a terminal or an RS 485 bus segment to the active star coupler If the link monitoring on the optical ports is activated the fiber optic links are monitored by the respectively connected OLM Note O...

Page 410: ...which may arise are kept as short as possible in the event of a malfunction If a redundancy case occurs e g a line break there is a switching time during which data cannot be correctly transmitted In order to ensure a smooth transition it is recommended that the frame repeat setting Retry on the PROFIBUS master be set to at least 3 After the error has been corrected no frames should be present in ...

Page 411: ... stipulated by UL CSA DANGER Never connect the PROFIBUS OLM to the main power supply Only install the device in a location where the climatic and mechanical limit values given in the Technical Data can be complied with WARNING Do not look directly into the aperture of the optical transmitting diode or the optical fiber The light beam which is emitted could endanger your eyesight OLM P11 OLM P12 OL...

Page 412: ...ation shows the factory settings of the DIL switches switches S0 S1 S2 S3 S4 and S7 in Position 0 switches S5 and S6 in Position 1 Select the network topology which is most suitable for your requirements The modules can then be put into operation in the following steps Check and adjust if necessary the DIL switch Note The DIL switches may only be operated in an ambient temperature of between 0 C a...

Page 413: ...h the DIL switch S7 1 This operating mode is required when operating this module together with new devices Only turn switch S7 to Position 1 if the PROFIBUS OLM is being used as a spare or expansion device in existing networks in conjunction with OLMs of the preceding generation and a direct optical connection is to be made The following illustrations show the switch assignment of the OLM at S7 1 ...

Page 414: ... Setting the operating mode of the optical ports CH2 CH3 The operating mode can be set individually for each optical port Combinations of the operating modes Line with optical fiber link monitoring and Line without optical fiber link monitoring are also possible Note that the operating mode of the two optical ports which are connected by the fiber line must always have the same settings The operat...

Page 415: ...switch S5 is used to set the transmitting power of CH2 The DIL switch S6 is used to set the transmitting power of CH3 S6 does not have a function on the OLM P11 Leave S6 in Position 1 default if the optical fiber link to CH3 functions correctly in this position Leave S5 in Position 1 default if the optical fiber link to CH2 functions correctly in this position Switch S6 to Position 0 reduced if ov...

Page 416: ...lief on the optical fiber line and pay attention to the minimum bend radius Seal BFOC sockets which have not been assigned using the sup plied protective caps note an optical port which has not been assigned should be switched to the operating mode Line without optical fiber link monitoring to avoid a break in the fiber line from being signaled Extraneous ambient light can cause interference in th...

Page 417: ...ang the top snap in hooks of the module into the hat rail and press the underside onto the rail as shown in Fig 7 until it audibly clicks in To remove the module pull down on the locking slide Mounting on a mounting plate The modules have three through holes This allow it to be mounted on any flat surface e g on the mounting plate of a switch cabinet Drill three holes in the mounting plate corresp...

Page 418: ...d electrical networks Attach or remove the RS 485 bus connector plug quickly and without twisting them Remove the RS 485 bus line from the OLM if a device is not connected to the other end or there is an OLM which has been disconnected from the power supply The open line otherwise acts as an antenna and can cause inter ference When connecting a RS 485 bus line to the PROFIBUS OLM in an active netw...

Page 419: ...aling contact does not signal the failure of a single 24 V infeed Both of the infeeds and the signa ling contact must be connected to an input module for monitoring to take place Clips on the terminal block ensure that it is securely attached to the device and simultaneously provide polarity reversal protection 4 4 5 Connecting the signaling contact lines The terminal block can be removed from the...

Page 420: ... be carried out limit value Further information can be found in Appendix 8 4 Measuring sockets p 35 Only an ungrounded high resistance voltmeter may be used to take measurements The reference potential socket may not be connected to the OLM housing CH 1 System PROFIBUS OLM CH 2 CH 3 GND Receive Signal Intensity CH 2 CH 3 Measuring sockets Reference potential Fig 12 Signaling contact pin assignment...

Page 421: ... PROFIBUS standard Only one active bus subscriber is connected which is only sending tokens to itself The indicator must switch over after a second bus subscriber has been activated token frames on their own are not enough to set the transfer rate The connected RS 485 segment is only terminated at one end Transmission rate recognized but the network slot time could not be determined network parame...

Page 422: ...fiber If one of the operating modes Line with optical fiber link monitoring has been set no PROFIBUS frames are received at the optical port There is no malfunction in the OLM or the optical fiber Transmission rate has been recognized LED System lights green or flashes red green No transmitting bus subscriber present optical fiber connection is OK Send and receive optical fibers have been transpos...

Page 423: ...s monitor the configuration of all bus subscribers This is not the case if the monomaster of a PROFIBUS network is connected to the RS485 bus segment which is to be examined Replace the OLM concerned with another OLM from the network and then carry out the test described above If the OLM still malfunctions when connected elsewhere the device is defective Replace the OLM If the OLM does not malfunc...

Page 424: ...turbed optical fiber segments i e the OLM which supplies the send signal for the measurement described above If the fault still persists replace the other OLM instead Level is in the range Optical system reserves reduced or Normal mode As described above check the optical receiving level of the other OLM in the disturbed optical fiber segment at the appropriate port The levels at both OLMs of the ...

Page 425: ...guration tool to set the parameters under 2 and 3 Calculate the slot time with the following equation Slot time a b Length OF c Number OLM Slot time is the monitoring period in bit times Length OF is the sum of all the optical fiber lines segment lengths in the network The length must be given in km Number OLM is the number of PROFIBUS OLMs in the network The factors a b and c are dependent on the...

Page 426: ...nd DP with S5 95U redundant optical ring The calculation of the slot time only takes into consideration the optical network and the connection of bus sub scribers to the OLM via an RS 485 bus segment with a respctive length of max 20 m Longer RS 485 bus segments must be allowed for by adding them to the Length OF Note When the slot time is configured with a too small value the OLM will through it ...

Page 427: ...t Retimer Input Port 1 to 3 Signal distortion 30 Bit length 0 12 Output Port 1 to 3 Mean bit length 0 01 Safety VDE regulation VDE 0806 EN 60950 and IEC 950 UL CSA approval UL 1950 CSA 950 FM approval in preparation Class 2 Electrical port Input output signal RS 485 level Input dielectric strength 10 V to 15 V PIN assignment port 1 in accordance with EN 50170 Part 1 Indirect coupled yes within SEL...

Page 428: ...n power supply lines and shielded Burst RS 485 bus lines 2 kV EN 61000 4 4 Immunity against line conducted disturbance On power supply lines 1 kV symmetrical Surge On shielded RS 485 bus lines 2 kV asymmetrical EN 61000 4 5 Climatic ambient conditions Ambient temperature 0 C to 60 C IEC 68 2 1 IEC 68 2 2 20 C to 60 C at OLM G12 EEC 1 IEC 68 2 1 IEC 68 2 2 Storage temperature 40 C to 70 C IEC 68 2 ...

Page 429: ...entation SIMATIC NET PROFIBUS Networks Manual Declaration of In accordance with the above named EC directive the EC Declaration of Conformity Conformity can be viewed by the authorities responsible at Siemens AG Bereich Automatisierungs und Antriebstechnik Geschäftszweig Industrielle Kommunikation SIMATIC NET Postfach 4848 D 90327 Nürnberg Machine Directive Furthermore the product is a component i...

Page 430: ... 1983 Standard for electrical characteristics of generators 8 3 List of abbreviations BFOC Bayonet Fiber Optic Connector DIN Deutsche Industrie Norm German Industrial Standard EEC Extended Environmental Conditions EIA Electronic Industries Association EN Europäische Norm European Standard EMC Electromagnetic Compatibility HCS Hard Polymer Cladded Silica Fiber registered trademark of Ensign Bickfor...

Page 431: ...he measuring sockets is subject to many influencing factors such as the strength of the transmitting power of the partner OLM the ambient temperature of the optical sender and receiver attenuation of the transmitting link the transfer rates being used The measuring sockets are therefore not intended as a substitute for a calibrated level measuring device with a calibrated light source The readings...

Page 432: ...rs a day Nuremberg Nürnberg Johnson City Singapore Singapur SIMATIC BASIC Hotline SIMATIC BASIC Hotline SIMATIC BASIC Hotline Local time Mo Fr 8 00 to 18 00 Local time Mo Fr 8 00 to 17 00 Local time Mo Fr 8 30 to 17 30 Telephone 49 911 895 7000 Telephone 1 423 461 2522 Telephone 65 740 7000 Fax 49 911 895 7002 Fax 1 423 461 2231 Fax 65 740 7001 E Mail simatic support E Mail simatic hotline E Mail ...

Page 433: ...at http www ad siemens de csi net Source for special cables Special cables and cable lengths for all SIMATIC NET cables are available on request from A D SE V22 WKF Fürth Germany Mr Hertlein Telephone 49 911 750 4465 Fax 49 911 750 9991 E Mail juergen hertlein fthw siemens de Further support If you have any more questions about SIMATIC NET products please contact your Siemens contact partner at yo...

Page 434: ......

Page 435: ...uct 2 Functional Description 3 Network Topology 4 Installation and Startup 5 Troubleshooting 6 Technical Specifications 7 Notes on the CE Label 8 References 9 Abbreviations 10 Release 2 C79000 G8976 C122 02 PROFIBUS Optical Bus Terminal OBT Manual SIMATIC NET ...

Page 436: ...and operated and maintained as recommended Trademarks SIMATICR SIMATIC HMIR and SIMATIC NETR are registered trademarks of SIEMENS AG Third parties using for their own purposes any other names in this document which refer to trademarks might infringe upon the rights of the trademark owners Safety Guidelines This manual contains notices which you should observe to ensure your own personal safety as ...

Page 437: ...omatic Transmission Rate Detection 3 2 3 4 Supported FO Fiber Types 3 2 3 5 Displays 3 2 3 6 Operator Controls 3 4 4 Network Topology 4 1 4 1 Optical Bus 4 1 4 2 Using Long Fiber Optic Sections 4 2 4 3 Attaching RS 485 Segments 4 3 5 Installation and Startup 5 1 5 1 Precedure for Installation 5 2 5 2 Installation 5 3 6 Troubleshooting 6 1 7 Technical Specifications 7 1 8 Notes on the CE Label 8 1 ...

Page 438: ...Contents ii PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 Contents ...

Page 439: ...egrated optical interface to the optical PROFIBUS DP The following figure illustrates a typical configuration 1 PROFIBUS cable terminated at both ends 2 Plastic FO cable or PCF FO cable with two fibers PC Programming Device Operator Panel SIMATIC S7 400 with IM 467 FO ET 200M with FO interface DP node without FO interface 2 1 2 2 1 OBT OBT À À À À À Terminating resistor activted Figure 1 1 Example...

Page 440: ... differences in potential as can occur in extensive systems have no effect 1 HCSt is a registered trademark of Ensign Bickford Optics Company and stands for Hard Polymer Cladded Silica Fiber Sensitivity Just as fiber optic cable is insensitive to electromagnetic noise a fiber optic cable emits no electromagnetic noise into the environment Sensitive electronic devices close to the fiber optic cable...

Page 441: ...S OBT Product Supplied 1 x PROFIBUS OBT 1 x order form for the PROFIBUS OBT operating instructions Not supplied S Plastic fiber optic cable can be purchased by the meter S Tools for connectoring fiber optic cables S PROFIBUS OBT operating instructions S Fiber optic cable connectors 2 ...

Page 442: ...The SIMATIC NET PROFIBUS OBT Product 2 2 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...

Page 443: ...le with two simplex connectors is connected to each of these duplex sockets The OBT also has a block with three terminals for connecting the 24 V power supply and if necessary a grounding conductor 3 2 Optoelectric Signal Conversion and Signal Regeneration The OBT converts the RS 485 level signal received at channel 1 into an optical signal level that is then output via channel 2 and channel 3 Sig...

Page 444: ...o 50 m PCF FO 200 230 µm with 2 fibers and max 10 dB km cable attenuation 0 m to 300 m The specified distances between the devices assume that the partner devices use the same optical components as the OBT This is for example the case with the IM 153 2 FO IM 467 FO and OLM 12M The transmission rate is independent of the type of fiber used and the cable length It can be up to 12 Mbps The following ...

Page 445: ...ternal power supply is defective or short circuited Flashes Power supply present Transmission rate not yet set Lit green Transmission rate set power supply O K CH1 CH2 CH3 channel 1 to 3 yellow Unlit No data being received Lit yellow Data being received L 24V CH1 CH2 CH3 CH2 CH3 Figure 3 1 LED Displays on the Front Panel ...

Page 446: ...Optical Bus Terminal OBT C79000 G8976 C122 02 3 6 Operator Controls The OBT itself does not have operator controls Care must simply be taken that the PROFIBUS connecting cable not supplied attached to Channel 1 is terminated at both ends ...

Page 447: ...ith the rubber plug supplied This prevents contamination of the optical elements and disturbances caused by light entering the module The connection forming the optical bus is a two fiber plastic FO cable maximum length 50 m or PCF FO cable maximum length 300 m The fiber optic cables have two simplex connectors at each end The fiber optic connection between two devices is established by connecting...

Page 448: ...example OBT CH 1 to OLM CH 1 and the OLM is attached to the long fiber optic section At the other end of the fiber optic section the arrangement is reversed by another OLM OBT pair PC PG OP SIMATIC S7 400 with IM 467 FO ET 200M with FO interface 1 PROFIBUS cable terminated at both ends 2 Plastic FO cable or PCF FO cable with two fibers 3 FO cable for long distances À Terminating resistor activted ...

Page 449: ...ATIC devices on the optical PROFIBUS DP The connection is established with a two fiber plastic FO cable maximum length 50 m or PCF FO cable maximum length 300 m The fiber optic cable has two simplex connectors at each end The optical channel of the OLM 12M connected to the OBT must be operated in the Line mode with the monitoring deactivated 1 PROFIBUS cable terminated at both ends 2 PROFIBUS cabl...

Page 450: ...Network Topology 4 4 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...

Page 451: ...ELV complying with IEC 950 EN 60 950 VDE 0805 with a maximum of 32 V typically 24 V The power source must comply with the regulations of NEC class 2 according to the UL CSA approval Note Do not look directly into the opening of the optical transmitter diode The emitted light could injure your eyes Danger Never connect the PROFIBUS OBT to a power supply of 110 V 240 V Note Select the installation l...

Page 452: ...e that the PROFIBUS OBT is adequately grounded by connecting the rail or mounting plate to local ground with low resistance and low inductance Note As the RS 485 cable use only LAN cables approved for PROFIBUS Note Do not open the OBT casing 5 1 Precedure for Installation Installation of the PROFIBUS OBT involves the following steps S Installing the PROFIBUS OBT S Connecting the power supply S Con...

Page 453: ...ough space for connecting the bus and power supply cables S Install the modules only on a low resistance and low inductance grounded standard rail or mounting plate If you secure the modules on a mounting plate make sure that as short a cable as possible leads from the ground terminal of the OBT to the nearest possible ground point Installation on a Standard rail S Fit the upper catch of the modul...

Page 454: ...ting plate as shown in the drill template in Figure 5 2 S Secure the modules with machine screws for example M3 x 75 and M3 x 55 S Use a grounding conductor with at least 2 5 mm2 to establish a reliable electrical connection between the PE terminal of the module casing and the grounded mounting plate CH1 SIMATIC NET PROFIBUS Optical Bus Terminal 6GK1500 3AA00 1 2 3 4 5 6 7 L 24V CH1 CH2 CH3 CH2 CH...

Page 455: ...inal PE and Power Supply Terminals M L S The power supply for the PROFIBUS OBT must be a stabilized safety extra low voltage complying with IEC 950 VDE 0805 minimum 18 V and maximum 32 V typically 24 V The power source must meet the specifications of NEC class 2 to comply with the UL CSA approval The unit is intended to be installed on the load side of the class 2 or class 3 power source as define...

Page 456: ... optical output crossover S Make sure that there is reliable strain relief for the FO cable and do not bend the cable beyond the minimum bending radius S Close unused FO sockets with the plastic plugs provided Extraneous light particularly when it is extremely bright can cause disturbances on the PROFIBUS network S Remember the minimum and maximum length of the FO cable and the permitted fiber typ...

Page 457: ...The maximum cable length between the OBT and DTE is 100 m Since this involves a point to point connection the terminating resistors in the PROFIBUS connectors must be activated at both ends of the cable Use only SIMATIC NET shielded Twisted Pair cables as the RS 485 cable for PROFIBUS Do not connect RS 485 cables when all or part of the cable is outside a building Lightning in the area can otherwi...

Page 458: ...Installation and Startup 5 8 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...

Page 459: ...the RS 485 LAN cable and wires A and B con nected to wrong terminals No or wrong termination CH2 CH3 LED not lit Send and receive FO cords swapped over Break on FO cord receiving receiving from partner module No partner module connected or partner module is not turned on Attached partner module is defective not sending CH2 CH3 LED lit But PROFIBUS nodes signa ling bus problems FO connector is loos...

Page 460: ...Troubleshooting 6 2 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...

Page 461: ...3 Bit length Jitter 0 7 to 1 3 tBit 0 03 to 0 03 tBit Output channel 1 to 3 Bit length Jitter 0 99 to 1 01 tBit 0 003 to 0 003 tBit Signal delay time any input output 6 tBit Cascading depth of optical bus limited only by signal run time Electrical channel Input output signal RS 485 level Input dielectric strength 7 V to 12 V Minimum current at 5V for terminating resistors 10 mA Electrical isolatio...

Page 462: ...shield connection and casing 6 kV contact di scharge IEC 1000 4 2 Immunity to high frequency interference 10 V m at 80 amplitude modulation at 1kHz 80MHz 1GHz ENV 50140 IEC 61000 4 3 10V m at 50 on time at 900MHz ENV 50 204 10 V m at 80 amplitude modulation at 1kHz 10kHz 80MHz ENV 50141 Immunity to conducted interference burst On power supply cables and shielded RS 485 LAN cables 2 kV IEC 61000 4 ...

Page 463: ...cal conditions Vibration during operation 10 to 58 Hz 0 075 mm deflection 58 to 150 Hz 10m s2 1g acceleration IEC 68 2 6 Vibration during transportation 5 to 9 Hz 3 5 mm deflection 9 to 500 Hz 10m s2 1g acceleration Type of protection with external fusing 8A IP 30 Weight 400 g Dimensions 50 5 x 138 x 78 mm Casing material Noryle anthracite ...

Page 464: ...Technical Specifications 7 4 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...

Page 465: ...mens Aktiengesellschaft Bereich Automatisierungstechnik Industrielle Kommunikation A D PT2 Postfach 4848 D 90327 Nürnberg Germany Installation Instructions The product meets the requirements above when it is installed and operated according to the instructions in the Optical Bus Terminal PROFIBUS OBT documentation The accessible radiated power of the transmitting LEDs used complies with class 1 EN...

Page 466: ...n machines we are obliged to point out that this product is intended solely for installation in a machine Before the final product can be put into operation it must be tested for compliance with the directive 89 392 EEC Notes for Australia SIMATIC NET OBT meets the requirements of AS NZS 2064 Class A standard ...

Page 467: ... for electrical characteristics of generators and receivers for use in balanced digital multipoint systems 6 SIMATIC NET Manual for PROFIBUS Networks SIEMENS AG order number 6GK19705AC10 0BA0 7 SIMATIC NET Industrial Communication Catalog IK10 SIEMENS AG Bereich Automatisierungstechnik Geschäftszweig Industrielle Kommunikation SIMATIC NET Postfach 4848 D 90327 Nürnberg Germany 8 SIMATIC NET Produc...

Page 468: ...References 9 2 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...

Page 469: ... a registered trademark of Ensign Bickford Optics Company and stands for Hard Polymer Cladded Silica Fiber In these instructions only the general term PCF is used LAN Local Area Network LED Light Emitting Diode OBT Optical Bus Terminal OLM Optical Link Module PCF Polymer Cladded Fiber synonymous with HCSt fiber POF Polymer Optical Fiber synonymous with plastic FO cable PROFIBUS DP PROFIBUS Distrib...

Page 470: ...Abbreviations 10 2 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...

Page 471: ... _ _ _ _ _ Country _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Phone _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Please check any industry that applies to you r Automotive r Chemical r Electrical Machinery r Food r Instrument and Control r Nonelectrical Machinery r Petrochemical r Pharmaceutical r Plastic r Pulp and Paper r Textiles r Transportation r Other _ _ _ _ _ _ _ _ _ _ _ 1 ...

Page 472: ..._ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Remarks Form Your comments and recommendations will help us to improve the quality and usefuln...

Page 473: ...sche Industrie Norm German industrial standard DP Distributed peripheral I Os ESD Electrostatic discharge EIA Electronic Industries Association EN European standard EMC Electromagnetic compatibility FC Fast Connect FMS Fieldbus Message Specification FO Fiber Optics FRNC Flame Retardant Non Corrosive HCS Hard Cladded Silica IEC International Electrotechnical Commission IEEE Institute of Electrical ...

Page 474: ...ber PE Polyethylene PG Programming device PMMA Polymethylmethacrylate PNO PROFIBUS User Organization POF Polymer Optical Fiber PROFIBUS DP PROFIBUS distributed I Os PROFIBUS PA PROFIBUS Process Automation PTB Physikalisch Technische Bundesanstalt German official body PUR Polyurethane PVC Polyvinylchloride SELV Safety Extra Low Voltage to EN 60950 UL Underwriter Laboratories UV ultraviolet V Value ...

Page 475: ...1 dated 12 98 EIA RS 485 1983 Standard for Electrical Characteristics of Generators and Receivers for Use in Balanced Digital Multipoint Systems IEC 61158 2 to 6 1993 2000 Digital data communications for measurement and control Fieldbus for use in industrial control systems DIN VDE 0100 Teil 410 Errichten von Starkstromanlagen mit Nennspannungen bis 1000 V Schutzmaßnahmen Schutz gegen gefährliche ...

Page 476: ...r Normung e V Berlin SIMATIC S5 Distributed I O System ET 200 SIEMENS AG Order no EWA 4NEB 780 6000 01c Version 4 SIMATIC S7 400 Programmable Controller Installation and Application Brochure SIEMENS AG Order no 6ES7498 8AA00 8BB0 Version 1 SIMATIC S7 300 Programmable Controller Hardware and Installation Manual SIEMENS AG Part of the S7 300 M7 300 Documentation Package Order no 6ES7 398 8AA02 8BA0 ...

Page 477: ...nsic safety and explosion protection in S Manual S7 300 M7 300 ET 200M Modules with Intrinsically Safe Signals Order no 6ES7 398 8RA00 8BA0 S Untersuchungen zur Eigensicherheit bei Feldbus Systemen PTB Bericht W 53 Braunschweig März 1993 S PROFIBUS PA Installation Guideline Technical Guidance for Use of IEC 1158 2 with PROFIBUS PA No 2 091 PROFIBUS User Organization e V Haid und Neu Str 7 D 76131 ...

Page 478: ...References I 4 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 479: ...iemens de training E mail AD Training nbgm siemens de SIMATIC Customer Support Hotline Open round the clock worldwide Johnson City Nuremberg Singapore SIMATIC Basic Hotline Nuremberg SIMATIC BASIC Hotline Johnson City SIMATIC BASIC Hotline Singapore SIMATIC BASIC Hotline Local time Mo Fr 8 00 to 18 00 Phone 49 911 895 7000 Fax 49 911 895 7002 E Mail simatic support nbgm siemens de Local time Mo Fr...

Page 480: ... the Internet at http www ad siemens de csi net Via the Bulletin Board System BBS in Nuremberg SIMATIC Customer Support Mailbox under the number 49 911 895 7100 To access the mailbox use a modem with V 34 28 8 Kbps capability whose parameters you should set as follows 8 N 1 ANSI or dial in using ISDN x 75 64 Kbps Ordering Special Cables Accessories and Tools Special cables and special lengths of a...

Page 481: ...nnectors with and without sockets for the PG with the degree of protection IP 20 Bus segment Segment Bus system All stations that are physically connected via a LAN cable form a bus system Chassis ground Chassis ground includes all the interconnected inactive parts of equipment that must not carry a hazardous voltage even in the event of a fault Configuring Configuring means entering a PROFIBUS co...

Page 482: ...ot influence the intrinsic safety within certain limits GAP factor GAP update factor The gap between the local PROFIBUS address of the ma ster to the next PROFIBUS address of a master is known as the GAP The GAP update factor specifies how many token rotations the master waits before chek king whether there is another master in the GAP For example if the GAP update factor is 3 this means that each...

Page 483: ...r standards IEEE 802 3i 10BASE T and IEEE 802 3j 100BASE T for industrial application Lightning arresters are capable of diverting multiple lightning currents or parts of them without any damage occurring Lightning protection equipotential bonding The lightning protection equipotential bonding includes the parts of the indoor lightning protection system required to reduce the potential differences...

Page 484: ...value of all the losses occurring in the fiber optic transmission path These are due mainly to the attenuation of the fiber itself and the splices and couplings The optical power loss must be less than the optical power budget available between the transmitter and receiver PROFIBUS PROcess FIeld BUS European process and fieldbus standard specified in the PROFIBUS standard EN 50 170 Volume 2 PROFIB...

Page 485: ...y can take over its function Example Medium redundancy An additional link closes the bus to form a ring If there is a failure on part of the bus the redundant link is activated to maintain the functionality of the network Reference potential The voltages of circuits are considered and or measured relative to this potential RS 485 repeater Device for amplifying bus signals and coupling segments ove...

Page 486: ...oltages Induced voltages occur when circuits with inductances are turned off Surge arresters are used to limit overvoltages from remote strikes or from induction effects for example switching in power circuits Surge arresters in contrast to lightning ar resters divert currents with a significantly lower peak value discharges and spe cific energies Terminating resistor A resistor to terminate the L...

Page 487: ... per second On PROFIBUS transmission rates of 9 6 Kbps to 12 Mbps are possible TRDY Indicates readiness to acknowledge or respond ready time TSET Setup time The setup time is the time that can elapse between receiving a data frame and reacting to it TSL The wait to receive time slot time is the maximum time that can elapse while the sender waits for a response from the addressed station TTR Target...

Page 488: ...Glossary Glossary 8 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...

Page 489: ...972 0B 10 4 38 to bus connector 6ES7 972 0BA30 4 40 4 42 E Equipotential bonding C 10 F Fiber optic cables 7 2 glass fiber optic cables 7 13 PCF fiber optic cables 7 10 plastic fiber optic cables 7 3 Fiber optic standard cable 7 14 7 17 Flexible fiber optic trailing cable 7 15 7 19 G Glass fiber optic cable technical specifications 7 14 H Handling cable shields C 9 I ILM dimension drawing F 11 IND...

Page 490: ...g the LAN cable 5 14 5 17 connecting the power supply 5 13 definition 5 2 design 5 2 dimension drawing F 5 F 7 F 8 Installation 5 9 pinout PG OP connector 5 4 possible configurations 5 6 rules 5 2 setting the terminating resistor 5 6 technical specifications 5 4 ungrounded operation 5 12 uses 5 2 S SIENOPYR duplex fiber optic marine cable 7 15 7 22 T Tap lines length 3 4 Technical specifications b...

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