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SI-PROFINET RT User Guide

19

Issue Number: 2

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6.2.1 Number of phases

The number of phases is determined by the formula:
Number Of Phases = Send Cycle / Fastest Update Rate = 8 ms / 1 ms = 8

6.2.2 Length of phase

The length of each phase is determined by the formula:

Length Of Phase = SendClockFactor x 31.25 µs = 32 x 31.25 µs = 1 ms

Where:
SendClockFactor is specified in the GSDML file as the 'MinDeviceInterval' value.

6.2.3 Reduction ratio

The reduction ratio acts as a multiplier of the minimum update time and is determined by
the formula:

Reduction ratio = Send Cycle Device / Length Of Phase

In this example,

Reduction ratioDevice 1 = 8 ms / 1 ms = 8
Reduction ratioDevice 2 = 4 ms / 1 ms = 4
Reduction ratioDevice 3 = 2 ms / 1 ms = 2
Reduction ratioDevice 4 = 1 ms / 1 ms = 1

The SI-PROFINET RT module allows the update rate to be configured in one of three
ways:
1.

Automatic

- the update time selected is the time that the IO system calculates,

based on the configuration, that can be reliably achieved.

2.

Fixed update time

- the user selects the device update rate directly from a

selection.

3.

Fixed factor

- the user selects the reduction ratio to be used to multiply the

minimum transmission cycle time by to give the device update rate.

6.3

Discovery and Configuration Protocol (DCP)

SI-PROFINET RT supports the discovery and configuration protocol. This protocol
(when correctly configured), is used in the event of device replacement to automatically
configure the new device. All the necessary configuration is done by the neighbouring
devices when the new device is detected.

6.3.1 Link Layer Discovery Protocol (LLDP)

LLDP is a manufacturer independent layer 2 protocol, defined in accordance with the
IEEE802.1AB standard.

During startup and also at regular intervals, LLDP is used to send and receive device
information between neighboring devices. This information includes the device name
and port numbers. LLDP messages use a special multicast destination MAC address
that 802.1D compliant bridges do not forward, i.e. the LLDP message is only seen by
neighboring devices. If all devices in a network support the LLDP protocol then an
accurate network topology view can be presented in the diagnostic tool or PLC.

Information received via LLDP is stored locally on every device, in a structure called
Management Information Base (MIB). This information can be retrieved using SNMP
(Simple Network Management Protocol) messages.

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Содержание SI-PROFINET RT 0478-0125-02

Страница 1: ...User Guide SI PROFINET RT Part Number 0478 0125 02 Issue Number 2 www controltechniques com ...

Страница 2: ...d scrap throughout their long working lifetime In typical applications these positive environmental effects far outweigh the negative impacts of product manufacture and end of life disposal Nevertheless when the products eventually reach the end of their useful life they must not be discarded but should instead be recycled by a specialist recycler of electronic equipment Recyclers will find the pr...

Страница 3: ...s 7 2 7 PROFINET network controller or PLC 7 3 Mechanical installation 8 3 1 General installation 8 4 Electrical installation 9 4 1 Bus media 9 4 2 Cabling considerations 9 4 3 Cable 10 4 4 Maximum network length 11 4 5 SI PROFINET RT terminal descriptions 11 4 6 Module grounding 12 4 7 Network topology 12 4 8 Minimum node to node cable length 13 5 Getting started 14 5 1 SI PROFINET RT XML file or...

Страница 4: ... training and experience They must read this safety information and this User Guide carefully The STOP and SAFE TORQUE Off functions of the drive do not isolate dangerous voltages from the output of the drive or from any external option unit The supply must be disconnected by an approved electrical isolation device before gaining access to the electrical connections With the sole exception of the ...

Страница 5: ...al wiring regulations accident prevention regulations and electromagnetic compatibility EMC regulations Particular attention must be given to the cross sectional areas of conductors the selection of fuses or other protection and protective earth ground connections The Unidrive M User Guide contains instructions for achieving compliance with specific EMC standards Within the European Union all mach...

Страница 6: ...FINET RT and other option modules to add additional functionality such as extended I O gateway functionality or additional PLC features 2 3 Option module identification The SI PROFINET RT module can be identified by 1 The label located on the option module 2 The color coding across the front of the SI PROFINET RT module yellow green Figure 2 1 SI PROFINET RT label details 2 3 1 Date code format Th...

Страница 7: ... and parameters A menu is a logical collection of parameters that have similar functionality In the case of an options module the parameters will appear in menu 15 16 or 17 depending on which slot the module is installed to The menu is determined by the number before the decimal point The method used to determine the menu or parameter is as follows Pr S mm ppp Where S signifies the option module s...

Страница 8: ... upper Orientate the option module above the drive as shown 1 in the first image above Align and insert the option module tab into the slot and press down until the option module locks into place Before installing or removing an option module from any drive ensure the AC supply has been disconnected for at least 10 minutes and refer to section 1 Safety information on page 4 If using a DC bus suppl...

Страница 9: ... different category cables is shown in Table 4 1 Cable properties on page 10 Cables belonging to the same category may be placed adjacent to each other with no danger of cross interference Similar category cables can be installed in an earthed metal cable tray trunking separated from other category cables by earthed metal partitions provided the cable tray or trunking has a lid so the cables are c...

Страница 10: ...rized into three different types the actual type used is mainly determined by the relevant application Type A cables are designed for fixed installations where the cable is not subject to any movement Type B cables are designed for flexible installations where the cable can be subject to occasional movement or vibration Type C cables are designed for special applications where the cable will be su...

Страница 11: ...mended that the full 100 m cable length is used The total network length is not restricted by the Ethernet standard but depends on the number of devices on the network and the transmission media copper fibre optic etc 4 5 SI PROFINET RT terminal descriptions The SI PROFINET RT module has two RJ45 Ethernet ports for connection to a PROFINET network Each Ethernet port operates in full duplex mode as...

Страница 12: ... within the constraints specified by the designer Generally a star or tree network structure using separate switches gives improved availability in the event of device failure or replacement Also managed switches have a web page interface which can be used to configure the switch to monitor the data traffic on specific ports using any appropriate protocol analyzer Although the PROFINET protocol do...

Страница 13: ...nal features Parameter descriptions Diagnostics Glossary 4 8 Minimum node to node cable length There is no minimum length of cable recommended in the Ethernet standards To avoid possible cabling problems it is recommended that sufficient cable length is provided to ensure adequate bend radii on cables and avoid unnecessary strain on the connectors ...

Страница 14: ...arameter to be specified These options will be available from a drop down selection list within the Parameters tab of the module properties The GSDML file for SI PROFINET RT can be downloaded from the Control Techniques support website www ctsupport com providing you are registered or from the main Control Techniques company website www controltechniques com providing you are registered or alterna...

Страница 15: ...ess Ensure all your addresses are unique Avoid reserved addresses Some addresses are reserved and should not be used e g 127 0 0 1 is a loop back address Broadcast and system addresses The highest and lowest host addresses are used for broadcasts and system addressing and should not be used Use a system Adopt a scheme to assign IP addresses for example reserve ranges of addresses for specific uses...

Страница 16: ...in the IP address is part of the network or subnet ID address A 0 in the subnet mask indicates that the corresponding bit in the IP address is a part of the host ID address Figure 5 1 Network and host ID illustrates an example with a class C IP address Figure 5 1 Network and host ID W X Y Z Class A 0 Net ID 7 bits Host ID 24 bits Class B 1 0 Net ID 14 bits Host ID 16 bits Class C 1 1 0 Net ID 21 b...

Страница 17: ...refore the following rules must be observed when choosing a device name Maximum length of 127 characters Characters must be either letters lower case numbers dashes or dots The device name must start with a letter and end with either a letter or number The device name must not be of the format n n n n where n is a number from 0 to 999 The device name must not begin with the character sequence port...

Страница 18: ...lit into a number of phases where each phase contains one or more devices with similar update rates the duration of each phase will be equal to the fastest update rate Example In the following example Figure 6 1 PROFINET transmission cycle example a system uses four PROFINET devices device 1 has an update rate of 8 ms device 2 has an update rate of 4 ms device 3 has an update rate of 2 ms and devi...

Страница 19: ...ice update rate directly from a selection 3 Fixed factor the user selects the reduction ratio to be used to multiply the minimum transmission cycle time by to give the device update rate 6 3 Discovery and Configuration Protocol DCP SI PROFINET RT supports the discovery and configuration protocol This protocol when correctly configured is used in the event of device replacement to automatically con...

Страница 20: ...igured to support device replacement this is an option in the properties of the PROFINET port In the hardware configuration screen of the SIMATIC STEP7 application either double click the port or alternatively select the port right click it and select Object Properties as shown in Figure 6 2 Ensure the option Support device replacement without exchangeable medium is selected then click the OK butt...

Страница 21: ...rt up parameterization diagnosis repair etc SI PROFINET RT supports I M0 to I M4 inclusively I M0 is mandatory for all PROFINET devices I M1 to I M4 are optional Each I M function returns specific information about the device and is explained in the following tables 6 4 1 I M0 Table 6 1 I M0 Description Manufacturer ID 2 byte unsigned hexadecimal number assigned by the PROFIBUS business office and...

Страница 22: ... be zero I M version 2 unsigned 8 bit numbers indicating the version of the implemented I M functions I M supported 2 byte unsigned number indicating the availability of the implemented I M functions as shown in Table 6 2 Table 6 2 Supported I M bit descriptions 6 4 2 I M1 Table 6 3 I M1 Description Drive function 32 byte string indicating the drive function Drive location 22 byte string indicatin...

Страница 23: ...on on the location function or maintenance status of the device 6 4 5 I M4 Table 6 6 I M4 Description Signature 54 byte octet string used to allow parameterization tools to store a security code as a reference for a particular parameterization session and audit trail tools to retrieve the code for integrity checks All unused bytes of the I M functions will be set to 0x20 space Attribute Value Read...

Страница 24: ...PT S 00 006 Module Status Initializing 0 OK 1 Config 2 Error 3 RO Txt ND NC PT S 00 007 Module reset Off 0 or On 1 Off 0 RW Bit NC S 00 008 Module Default Off 0 or On 1 Off 0 RW Bit NC S 00 030 Slot Indicator 0 to 8 RO Num ND S 00 031 Slot Menu Number 0 to 255 RO Num ND RW Read Write RO Read only Bit Bit parameter Txt Text string Date Date parameter Time Time parameter Chr Character parameter Bin ...

Страница 25: ... 02 006 IP Address 0 0 0 0 to 255 255 255 255 0 0 0 0 RO IP NC PT S 02 007 Subnet Mask 0 0 0 0 to 255 255 255 255 0 0 0 0 RO IP NC PT S 02 008 Default Gateway 0 0 0 0 to 255 255 255 255 0 0 0 0 RO IP NC PT S 02 011 MAC Address 0 0 0 0 0 0 to FF FF FF FF FF FF RO Mac ND NC PT RW Read Write RO Read only Bit Bit parameter Txt Text string Date Date parameter Time Time parameter Chr Character parameter...

Страница 26: ...n Trip 0 SendFaultValues 1 Clear output 2 Hold last 3 No action 4 No action 4 RW Txt US S 05 011 Timeout Event Destination This slot 0 Slot 1 1 Slot 2 2 Slot 3 3 Slot 4 4 This slot 0 RW Txt US S 05 012 Timeout Event Type No event 0 Trigger Event 1 Trigger Event 1 2 Trigger Event 2 3 Trigger Event 3 4 Trigger Event 4 5 No event 0 RW Txt US RW Read Write RO Read only Bit Bit parameter Txt Text strin...

Страница 27: ...at the module is installed to e g Pr 3 00 007 is also present as 17 007 The functionality and properties of the parameters are identical between the two menus Pr S 00 001 displays the ID number for the Option Module For SI PROFINET RT this is 432 The firmware version of the option module is in the format of ww xx yy zz Menu Description S 00 Module information S 02 PROFINET Ethernet Configuration S...

Страница 28: ...Type 16 Bit Volatile Update Rate Power up write Display Format None Decimal Places 2 Coding RO ND NC PT S 00 004 Serial Number LS S 00 005 Serial Number MS Minimum 0 Maximum 99999999 Default Units Type 32 Bit Volatile Update Rate Power up write Display Format None Decimal Places 0 Coding RO ND NC PT S 00 006 Module Status Minimum 0 Maximum 101 Default Units Type 8 Bit Volatile Update Rate Backgrou...

Страница 29: ... the drive user guide for details it will also clear the current configuration for the slot the module is installed to This can be performed as follows Set Pr S 00 008 to On Reset the module by setting Pr S 00 007 to On Default parameter values for the module will be loaded The module will reset using the default values This parameter displays the number of the virtual option slot on the drive tha...

Страница 30: ...n on power up Display Format None Decimal Places 0 Coding RO ND PT S 02 003 Network Status Minimum 0 Maximum 5 Default 0 Units Type 8 Bit Volatile Update Rate 1 s write Display Format Text Decimal Places 0 Coding RO ND NC PT BU Value Text Description 0 Initializing The network interface is being initialized 1 Links Down No link connection has been detected on either of the Ethernet ports 2 Reserve...

Страница 31: ...tify unnamed devices by their MAC and IP address When the IP address and subnet mask are set to change and drive parameters saved the new IP address is saved as permanent in the drive Note that the controller may later override the setting and alter these values The subnet mask is normally written to by the controller during the parameterization phase The subnet mask supports IP address routing by...

Страница 32: ...ntains all the parameters relating the configuration of the PROFINET interface This parameter displays the current status of the PROFINET communications and will also display any errors that are detected on the module S 02 011 MAC Address Minimum 0 0 0 0 0 0 Maximum FF FF FF FF FF FF Default Units Type 64 bit volatile Update Rate Power up write Display Format MAC address Decimal Places 0 Coding RO...

Страница 33: ...e and its activation If any user save in the drive or in the module The counter will reset to zero when the module is defaulted This parameter displays the supported PROFIdrive profile ID This is fixed at 62976 0xF600 This parameter indicates that the date of installation or commissioning of a device or module This date will be written by controller and cannot be modified by the user via the keypa...

Страница 34: ...ble values are shown in the table below S 05 009 Timeout Minimum 1 Maximum 10000 Default 100 Units ms Type 16 Bit volatile Update Rate Connect request from controller Display Format None Decimal Places 0 Coding RW PT BU S 05 010 Timeout Action Minimum 0 Maximum 4 Default 4 Units Type 8 Bit User Save Update Rate Module reset initialization Display Format Text Decimal Places 0 Coding RW BU Value Tex...

Страница 35: ...imum 4 Default 0 Units Type 8 Bit User Save Update Rate Module reset initialization Display Format Text Decimal Places 0 Coding RW BU Value Text Description 0 This slot Trigger event in this slot 1 Slot 1 Trigger event in slot 1 2 Slot 2 Trigger event in slot 2 3 Slot 3 Trigger event in slot 3 4 Slot 4 Trigger event in slot 4 S 05 012 Timeout Event Type Minimum 0 Maximum 4 Default 0 Units Type 8 B...

Страница 36: ...cts an error during operation it will force a trip on the drive However the trip string displayed on the drive will only indicate which slot initiated the trip The exact reason for the trip will be indicated in the drive trip code parameters Pr 10 020 and Pr 10 070 The table below shows the possible trips that will be displayed on the drive when a problem is detected with the option module or when...

Страница 37: ...lso occur if an option module is installed to a previously unused slot Value Text Description 200 Software Fault Software Fault 201 BG Overrun Background task overrun 202 Firmware Invalid Invalid firmware for hardware version 203 Drive Unknown Unknown drive type 204 Drive Unsupported Unsupported drive type 205 Mode Unknown Unknown drive mode 206 Mode Unsupported Unsupported drive mode 207 FLASH Er...

Страница 38: ...IP TCP IP initialization error 103 INIT Profinet PROFINET initialization error 104 Profinet Start PROFINET start error 105 Profinet Plug PROFINET plug error 106 Invalid IM Invalid IM data EEPROM corrupted 107 CPM watchdog Cyclic frame timeout 108 Ethernet Failure Ethernet controller initialization error S 05 004 Configuration Error Minimum 0 Maximum 4 Default 0 Units Type 8 Bit Volatile Update Rat...

Страница 39: ...criptions Diagnostics Glossary Diagnostics flowchart Start Is port LED off Yes No Is Ethernet cable connected Is port LED flashing No Check RTE controller is sending data Yes Yes Check RTE controller is powered up and connected Connect Ethernet cable No Test Ethernet cable Is RTE controller data correct Yes No RTE functioning normally Check RTE controller setup is correct ...

Страница 40: ... lowest frequencies of a band Baseband Transmission Direct transmission method whereby the transmission medium carries only one signal at a time usually for distances under ten miles BCC Block Check Character A control character added to a block in character oriented protocols used for determining if the block was received in error such as CRC and LRC BCD Binary Coded Decimal A digital system that...

Страница 41: ...ntion based LAN access method where Ethernet devices listen prior to transmitting send a packet of data then free the line for other devices to transmit While stations do not transmit until the line is clear transmission collisions still occur CSMA CA Carrier Sense Multiple Access with Collision Avoidance A CSMA protocol using a slotted TDM to minimize a collision reoccurrence For optimum results ...

Страница 42: ...Firewall A computer or piece of software that restricts connections between different ports This can be useful when restricting data flow between two network segments Frame The entire sequence of bits and bytes in a transmitted block FTP File Transfer Protocol A protocol using the TCP IP protocols commonly used for transferring files over the Internet Full duplex See Duplex Gateway A device that a...

Страница 43: ...nfined to a building or cluster or buildings Latency The waiting time or delay between a device s request message and the response message LED Light Emitting Diode Long word A 32 bit data word that may be signed or unsigned LSB Least Significant Bit Byte MAC address This is a unique address that is assigned to SI PROFINET RT at the time of manufacture no other device will have this address The add...

Страница 44: ...lectromechanical processes Sometimes used as a communication specific network controller Poll rate The rate at which cyclic data is sent and received on the network Polled data See Cyclic data Protocol The method of line discipline used to control the orderly exchange of information between the stations on a data link or on a data communications network or system Router A device that is used to co...

Страница 45: ...ing each byte but relies on the transmitter and receiver to be functioning at a fixed rate of transmission thereby being a more efficient method of data communication TCP Transmission Control Protocol This protocol is responsible for ensuring that the data on the network reaches its destination TDM Time Division Multiplexer A multiplexer designed to apportion its composite link time between its av...

Страница 46: ...imits 5 F Features specification 7 G General installation 8 Glossary 40 GSDML file 14 M Maximum network length 11 Menu 0 Setup 24 Menu 2 PROFINET Ethernet configuration 25 Menu 5 PROFINET configuration 26 Menus 27 Minimum node to node cable length 13 Module error codes 37 Module grounding 12 N Network topology 12 Notes 4 O Option module identification 6 P Parameters adjusting 5 PLC 6 7 PROFINET er...

Страница 47: ...PROFINET RT User Guide 47 Issue Number 2 S Segment 11 Setup flowchart 17 SI PROFINET RT terminal descriptions 11 Stored charge 5 Subnet mask 16 System design and safety of personnel 4 W What is PROFINET 6 ...

Страница 48: ...0478 0125 02 ...

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