WAGO 750-341 Page 125 Manual Download

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Fieldbus

Communication

•

119

MODBUS

Functions

WAGO-I/O-SYSTEM 750

ETHERNET TCP/IP

4.2.2 Use of the MODBUS Functions

The example below uses a graphical view of a fieldbus node to show which
MODBUS functions can be used to access data of the process image.

Highbyte

Lowbyte

0x0003

0x0002

0x0001

0x0000

0x0005

0x0004

0x0007

0x0006

0x0008

Word2

Word1

Word2

Word1

Word2

Word1

Word2

Word1

Word2

Word1

Word2

Word1

Word2

Word1

Word2

Word1

0x0003 / 0x0203

0x0002 / 0x0202

0x0001 / 0x0201

0x0000 / 0x0200

0x0004 /
0x0204

0x0203

0x0202

0x0201

0x0200

0x0204

0x0000 / 0x0200

0x0001 / 0x0201

0x0200

0x0201

750-342

LINK

TxD/RxD

I/O

ERROR

Ethernet

DI DI

AI AI

Highbyte

Lowbyte

Highbyte

Lowbyte

0x0001

0x0009

0x000D

0x0005

0x0000

0x0008

0x000C

0x0004

0x0003

0x000B

0x000F

0x0007

0x0002

0x000A

0x000E

0x0006

Input modules 750- 402 402 472 472 402 476 402 476

Output modules 750- 501 550 550

MODBUS addresses

MODBUS
addresses

MODBUS addresses

FC 3 (

)

(Read Input Registers)

Read Multiple Registers

FC 4

FC 1 (

Read Input

)

Read Coils)

FC 2 (

Discretes

FC 3 (

Multiple

Read Input Registers)

Read

Registers)

FC 4 (

FC 5 (Write Coil)

FC 15 (Force Multiple Coils)

FC 6 (Write

)

FC 16 (

Multiple Registers)

Single Register

Write

FC 1 (

Read Input Discretes)

Read Coils)

FC 2 (

Fig. 4-13: Use of the MODBUS Functions

G012918e

Attention

It is recommended that analog data be accessed with register functions (1) and
digital data with coil functions (2).

Summary of Contents for 750-341

Page 1: ...Modular I O System ETHERNET TCP IP 750 341 Manual Technical description installation and configuration Version 1 1 1...

Page 2: ...9 0 571 8 87 5 55 Fax 49 0 571 8 87 85 55 E Mail support wago com Every conceivable measure has been taken to ensure the correctness and completeness of this documentation However as errors can never...

Page 3: ...15 2 4 Component Update 16 2 5 Storage Assembly and Transport 16 2 6 Mechanical Setup 17 2 6 1 Installation Position 17 2 6 2 Total Expansion 17 2 6 3 Assembly onto Carrier Rail 18 2 6 3 1 Carrier ra...

Page 4: ...ess Data Architecture 50 3 1 5 Data Exchange 50 3 1 5 1 Memory areas 51 3 1 5 2 Addressing the I O modules 52 3 1 5 3 Data exchange between MODBUS TCP master and I O modules52 3 1 5 4 Data Exchange be...

Page 5: ...ant Terms 99 4 1 3 Network Communication 101 4 1 3 1 Protocol layer model 101 4 1 3 2 Communication Protocols 103 4 1 3 2 1 ETHERNET 104 4 1 3 3 Channel access method 104 4 1 3 3 1 IP Protocol 105 4 1...

Page 6: ...General 148 4 3 3 2 Classes 149 4 3 3 2 1 CIP Common Classes 149 4 3 3 2 2 WAGO specific Classes 149 4 3 3 2 3 Explanations of the Object Description 150 4 3 3 2 4 Identity 01 hex 150 4 3 3 2 5 Messag...

Page 7: ...Modules 199 5 3 6 System Modules 209 6 Application Examples 211 6 1 Test of MODBUS protocol and fieldbus nodes 211 6 2 Visualization and control using SCADA software 211 7 Use in Hazardous Environmen...

Page 8: ...technical progress All rights developing from the issue of a patent or the legal protection of utility patents are reserved to WAGO Kontakttechnik GmbH Co KG Third party products are always indicated...

Page 9: ...to the hardware or software and the non conforming use of the components entail the exclusion of liability on the part of WAGO Kontakttechnik GmbH Co KG Please direct any requirements pertaining to a...

Page 10: ...nformation to protect persons from injury Warning Always observe this information to prevent damage to the device Attention Marginal conditions that must always be observed to ensure smooth and effici...

Page 11: ...on a long term basis Warning The components are not resistant against materials having seeping and insulating properties Belonging to this group of materials is e g aerosols silicones triglycerides f...

Page 12: ...ress buttons are marked as bold with small capitals e g ENTER Keys are marked bold within angle brackets e g F5 Courier The print font for program codes is Courier e g END_VAR 1 6 Number Notation Numb...

Page 13: ...rt up of the coupler 750 341 important notes are to be considered because it strongly differentiates in some points of starting up the WAGO ETHERNET coupler 750 342 Read for this the chapter Starting...

Page 14: ...ieldbus The electronics process the data of the bus modules and make it available for the fieldbus communication The 24 V system supply and the 24 V field supply are fed in via the integrated power su...

Page 15: ...ion type CAGE CLAMP Wire range 0 08 mm 2 5 mm AWG 28 14 Stripped length 8 9 mm 9 10 mm for components with pluggable wiring 753 xxx Contacts Power jumpers contacts blade spring contact self cleaning C...

Page 16: ...0 5 kV line earth 1 B 1 kV line line 2 EN 61000 4 5 surge AC supply 2 kV line earth 3 B EN 61000 4 6 RF disturbances 10 V m 80 AM 0 15 80 MHz 3 A Emission of interference for industrial areas acc to E...

Page 17: ...est a Frequency change max 1 octave minute b Vibration direction 3 axes 15 g IEC 60068 2 27 shock Note on shock test a Type of shock half sine b Shock duration 11 ms c Shock direction 3x in positive a...

Page 18: ...disturbances harmonic waves 3 V 2 W A Type test high voltage 755 V DC 1500 V AC Emission of interference acc to Germanischer Lloyd 2003 Test specification Limit values Frequency range Distance 96 50 d...

Page 19: ...residential areas housing commercial and business areas small scale enterprises The special permit can be obtained from an authority or inspection office In Germany the Federal Office for Post and Te...

Page 20: ...ensions 51 24V 0V 01 02 C D B A C D B A C D B A C D B A C D B A 100 12 24 64 35 65 Side view Dimensions in mm Fig 2 2 Dimensions g01xx05e Note The illustration shows a standard coupler For detailed di...

Page 21: ...2 0 1 0 3 0 0 0 2 0 3 B 0 0 0 0 0 0 Hansastr 27 D 32423 Minden ITEM NO 750 333 PROFIBUS DP 12 MBd DPV1 0 V Power Supply Electronic PATENTS PENDING II 3 GD DEMKO 02ATEX132273 X EEx nA II T4 24V DC AWG...

Page 22: ...current version data are registered into the columns of the matrix Additionally with the update of a fieldbus coupler or controller also the cover of the configuration and programming interface of the...

Page 23: ...connected to the coupler controller is 780mm When assembled the I O modules have a maximum length of 768mm Examples 64 I O modules of 12mm width can be connected to one coupler controller 32 I O modu...

Page 24: ...disturbances In order to avoid corrosion this tin plated carrier rail contact must not form a galvanic cell with the material of the carrier rail which generates a differential voltage above 0 5 V sal...

Page 25: ...ed unslotted 210 118 35 x 15 2 3 mm steel yellow chromated unslotted 210 198 35 x 15 2 3 mm copper unslotted 210 196 35 x 7 5 1 mm aluminum unslotted 2 6 4 Spacing The spacing between adjacent compone...

Page 26: ...disc using a screwdriver To pull out the fieldbus coupler controller release the locking disc by pressing on the bottom groove with a screwdriver and then pulling the orange colored unlocking lug Fig...

Page 27: ...r according to the project planning Errors in the planning of the node in terms of the potential groups connection via the power contacts are recognized as the bus modules with power contacts male con...

Page 28: ...contacts which are available as self cleaning gold spring contacts Fig 2 7 Data contacts p0xxx07x Warning Do not touch the gold spring contacts on the I O modules in order to avoid soiling or scratchi...

Page 29: ...n the left side Danger The power contacts are sharp edged Handle the module carefully to prevent injury Attention Please take into consideration that some bus modules have no or only a few power jumpe...

Page 30: ...into the opening After removing the operating tool the conductor is safely clamped More than one conductor per connection is not permissible If several conductors have to be made at one connection po...

Page 31: ...see catalog Fig 2 10 Isolation g0xxx01e Attention The ground wire connection must be present in each group In order that all protective conductor functions are maintained under all circumstances it i...

Page 32: ...al system supply modules 750 613 The voltage supply is reverse voltage protected Attention The use of an incorrect supply voltage or frequency can cause severe damage to the component Fig 2 11 System...

Page 33: ...ly unit See coupler controller and internal system supply module 750 613 cf catalogue W4 Volume 3 manuals or Internet Example Coupler 750 301 internal current consumption 350 mA at 5V residual current...

Page 34: ...the following formulas Coupler Controller I 5 V total Sum of all the internal current consumption of the connected bus modules internal current consumption coupler controller 750 613 I 5 V total Sum o...

Page 35: ...other potentials e g AC 230 V Likewise with the aid of the power supply modules various potentials can be set up The connections are linked in pairs with a power contact Fig 2 13 Field Supply Sensor...

Page 36: ...nt potentials e g the alteration from DC 24 V to AC 230V a spacer module should be used The optical separation of the potentials acts as a warning to heed caution in the case of wiring and maintenance...

Page 37: ...e a fuse or to switch off the voltage in succeeding bus modules the fuse holder may be pulled out In order to do this use a screwdriver for example to reach into one of the slits one on both sides and...

Page 38: ...ely fusing can be done externally The fuse modules of the WAGO series 281 and 282 are suitable for this purpose Fig 2 18 Fuse modules for automotive fuses Series 282 pf66800x Fig 2 19 Fuse modules wit...

Page 39: ...are required for the certified operation of the system Item No Name Description 750 626 Supply filter Filter module for system supply and field supply 24 V 0 V i e for field bus coupler controller and...

Page 40: ...401 750 613 750 512 750 512 750 616 750 513 750 610 750 552 750 600 750 612 750 616 1 a b c d 1 2 2 24V 24V 10 A 10 A L1 L2 L3 N PE 230V 230V Main ground bus Shield screen bus System Supply Field Supp...

Page 41: ...us modules should be considered The field supply as well influences the bus modules as the inputs and outputs of some bus modules require the voltage of the field supply Note The system supply and the...

Page 42: ...ed Assembly Insulated assembly has been achieved when there is constructively no direct conduction connection between the cabinet frame or machine parts and the carrier rail Here the earth must be set...

Page 43: ...Some components in the I O system have a carrier rail contact that dissipates electro magnetic disturbances to the carrier rail Fig 2 23 Carrier rail contact g0xxx10e Attention Care must be taken to...

Page 44: ...le Attention Should the ground conductor connection of the power jumper contacts within the node become disrupted e g due to a 4 channel bus terminal the ground connection will need to be re establish...

Page 45: ...coming disturbances can be easily diverted The shielding should be placed over the entrance of the cabinet or housing in order to already repel disturbances at the entrance 2 9 2 Bus Conductors The sh...

Page 46: ...Together these allow many dfferent possibilities See catalog W4 volume 3 chapter 10 Fig 2 25 WAGO Shield Screen Connecting System p0xxx08x p0xxx09x and p0xxx10x Fig 2 26 Application of the WAGO Shield...

Page 47: ...nd I O data All sensor input signals are grouped in the coupler slave and transferred to the higher ranking controls master via the fieldbus Process data linking is performed in the higher ranking con...

Page 48: ...ntacts flap open Fig 3 1 1 Fieldbus coupler ETHERNET TCP IP g034100e The fieldbus coupler is comprised of Supply module which includes the internal system supply as well as power jumper contacts for t...

Page 49: ...om the internal system supply module 3 1 2 3 Fieldbus connection Connection to the fieldbus is by a RJ45 connector The RJ45 socket on the fieldbus coupler is wired per the 100BaseTX standard The speci...

Page 50: ...C A Fig 3 1 3 Display Elements 750 341 g034102x LED Color Meaning LINK green Link to a physical network exists MS red green The MS LED indicates the state of the node Module State NS red green The NS...

Page 51: ...address type the manufacturer s ID and the serial number 3 1 3 Operating system Following is the configuration of the master activation and the electrical installation of the fieldbus station to star...

Page 52: ...hese I O modules include for example the counter modules I O modules for angle and path measurement as well as the communication modules The data of the I O modules is separate from the local input an...

Page 53: ...data via implemented MODBUS functions Here decimal and or hexadecimal MODBUS addresses are used With Ethernet IP data access occurs with the use of an object model More information A detailed descript...

Page 54: ...d1 Word2 Word1 Word2 Word1 Word2 Word1 Word2 Word1 1 4 1 4 1 1 4 1 DI DI DI DI AI AI AI AI Word2 Word1 Word2 Word2 Word1 Highbyte Lowbyte 0x0003 0x0002 0x0001 0x0000 0x0005 0x0004 0x0007 0x0006 0x0008...

Page 55: ...over 256 words can be read back with an offset of 1000hex 0x1000 added onto the MODBUS address Bit 1 Bit 2 Word2 Word1 Word2 Word1 Word2 Word1 Word2 Word1 Word2 Word1 Word2 Word1 0x0003 0x0203 0x0002...

Page 56: ...couplers of the WAGO I O SYSTEM are slave devices The master makes a query for communication Through adressing this query can be sent to a specific node The nodes receive the query and return a respo...

Page 57: ...reserved word 511 word 512 word 1275 input modules output modules output modules reserved reserved reserved Fig 3 1 6 Memory areas and data exchange for a fieldbus coupler g015056e The coupler s proc...

Page 58: ...e process image can result As such the address of the process data will alsochange In the event of adding modules the process data of all previous modules has to be taken into account Data width 1 Wor...

Page 59: ...th an offset of 1000hex 0x1000 added onto the MODBUS address 0x0000 0x00FF 0x0000 0x0200 00x0FF 0x02FF 0x6000 0x62FC 0x6000 0x7000 0x62FC 0x72FC PII Process Input Image PIO Process Output Image MODBUS...

Page 60: ...ssemblies have different functions An input assembly reads data from the application over the network or produces data on the network Where as an output assembly writes data to the application or cons...

Page 61: ...omputer running under windows which is not connected to a network Direct Internet connection should only be performed by an authorized network administrator and is therefore not described in this manu...

Page 62: ...hed on the I O LED red If the I O LED flashes 6 times indicating error code 6 and then 4 times indicating error argument 4 an IP address has not been assigned yet 3 1 6 3 Determining IP addresses If y...

Page 63: ...rt downloads index htm Note The IP address can be allocated under other operating systems i e under Linux as well as with any other BootP servers Attention The IP address can be allocated in a direct...

Page 64: ...5 255 0 0 In addition enter the Subnet mask of the subnet decimal where the ETHERNET fieldbus coupler belongs to No gateway is required for the local network described in this example Therefore the fi...

Page 65: ...indow This will activate the inquiry response mechanism of the BootP protocol A series of messages will be displayed in the BootP server The error messages indicate that some services i e port 67 port...

Page 66: ...prompt The network node has now been prepared for communication 3 1 6 6 Deactivating the BootP Protocol By default the BootP protocol is activated in the coupler When the BootP protocol is activated t...

Page 67: ...word wago One of the coupler s built in web pages is displayed The opening page displays information about your fieldbus coupler You can get further information by clicking the hyperlinks on the left...

Page 68: ...Ethernet IP Modbus TCP or Modbus UDP It is possible to enable several protocols at the same time since each protocol uses a different port 7 To store the protocol selection click the SUBMIT button and...

Page 69: ...bed in section 3 the following HTML pages are stored in your coupler and provide information and configuration options After opening the default page of your coupler you can access these pages via the...

Page 70: ...Snmp link you can view and change settings for the Simple Network Management Protocol which is responsible for the transport of control data More information For detailed information to the settings...

Page 71: ...TCP IP Under the Watchdog link you can view and change settings for the MODBUS Watchdog Clock Configuration Under the Clock link you can view and change settings for the coupler s internal real time...

Page 72: ...he access on the security settings user user Read Write data and the release of a Software reset but not the change of the security settings guest guest only Read Attention For the password the follow...

Page 73: ...referred to as MIB objects In the ETHERNET coupler controller SNMP embraces the common MIB as described in RFC1213 MIB II The configuration of SNMP is done via the web based management system under t...

Page 74: ...p contains information and statistics to the device interface Identifier Entry Ac cess Description 1 3 6 1 2 1 2 1 ifNumber R Number of network interfaces in the system 1 3 6 1 2 1 2 2 ifTable Number...

Page 75: ...ifInErrors R This entry indicates the number of all received incorrect packets which were not passed on a higher layer 1 3 6 1 2 1 2 2 1 15 ifInUnknown Protos R This entry indicates the number of all...

Page 76: ...ber of received IP Frames including the incorrect Frames 1 3 6 1 2 1 4 4 ipInHdrErrors R Number of received IP Frames with header errors 3 6 1 2 1 4 5 ipInAddrErrors R Number of received IP Frames wit...

Page 77: ...local IP addresses of the coupler controller 1 3 6 1 2 1 4 20 1 ipAddrEntry Address information for an entry 1 3 6 1 2 1 4 20 1 1 ipAdEntAddr R The IP address those the address information concerns 1...

Page 78: ...21 1 7 ipRouteNextHop R W The IP addresse of the next route section 1 3 6 1 2 1 4 21 1 8 ipRouteType R W The kind of route 1 3 6 1 2 1 4 21 1 9 ipRouteProto R Routing mechanism via which the route is...

Page 79: ...ssages 1 3 6 1 2 1 5 12 icmpInAddrMasks R Number of received ICMP address mask request messages 1 3 6 1 2 1 5 13 icmpInAddrMaskReps R Number of received ICMP address mask reply messages 1 3 6 1 2 1 5...

Page 80: ...ent TCP frames with data 1 3 6 1 2 1 6 12 tcpRetransSegs R Number of sent TCP frames that were repeated because of errors 1 3 6 1 2 1 6 13 tcpConnTable For each existing connection a table entry is pr...

Page 81: ...t authorization for the actions that it tried to accomplished 1 3 6 1 2 1 11 6 snmpInASNParseErrs R Number of received SNMP frames which had a wrong structure 1 3 6 1 2 1 11 8 snmpInTooBigs R Number o...

Page 82: ...27 snmpOutSetRequests R Number of sent SET requests 1 3 6 1 2 1 11 28 snmpOutGetResponses R Number of sent GET responses 1 3 6 1 2 1 11 29 snmpOutTraps R Number of sent Traps 1 3 6 1 2 1 11 30 snmpEna...

Page 83: ...C B A A B C A Fig 3 1 11 Display elements 750 341 g034102x The LEDs can be divided into three groups The first group of LEDs display the status of the Ethernet fieldbus It contains both solid and two...

Page 84: ...exists please contact the I O Support green flashing The system is not yet configures green Normal operation OFF No system supply voltage Check the supply voltage 24V and 0V NS red green flashing Sel...

Page 85: ...shing sequences There is a short pause between each sequential flash Evaluate the fault message fault code and fault argument The coupler starts up after switching on the supply voltage The I O LED bl...

Page 86: ...D 1st flash sequence Introduction of the error indication I O LED 2nd flash sequence Error code Number of flash cycles I O LED 3rd flash sequence Error argument Number of flash cycles Coupler Controll...

Page 87: ...ds the coupler If the LED doesn t blink turn off the power supply and place the end module in the middle of the second half of the node away from the coupler Turn the power supply on again Repeat this...

Page 88: ...p upright the supply voltage of the bus coupler for at least 15 minutes for loading of the Goldcaps 12 Fault when writing the time in the RTC Adjust the clock and keep upright the supply voltage of th...

Page 89: ...n off the power supply of the node Place the end module in the middle of the fieldbus node Turn the power supply on again If the LED is still blinking turn off the power supply and place the end modul...

Page 90: ...dle of the fieldbus node Turn the power supply on again If the LED is still blinking turn off the power supply and place the end module in the middle of the first half of the node towards the coupler...

Page 91: ...s coupler 4 Network configuration error no IP Address Check the settings of BootP server 5 Application protocol initialization error Restart the fieldbus coupler by turning the power supply off and on...

Page 92: ...24 V supply for the coupler The right hand LED B or C displays the status of the field side supply i e the power jumper contacts LED Meaning Trouble shooting A Green Operating voltage for the system e...

Page 93: ...ll following MODBUS TCP IP requests with the exception code 0x0004 Slave Device Failure More information For detailed information on the Watchdog register see Chapter MODBUS Functions Watchdog Fieldbu...

Page 94: ...socket connections 3 HTTP 15 MODBUS TCP 128 for Ethernet IP Voltage supply DC 24 V 25 30 Input currentmax 500 mA at 24 V Efficiency of the power supply 87 Internal current consumption 300 mA at 5 V To...

Page 95: ...f Chapter 2 2 CULUS UL508 ABS American Bureau of Shipping 1 BV Bureau Veritas 1 GL Germanischer Lloyd 1 Cat A B C D KR Korean Register of Shipping 1 LR Lloyd s Register 1 Env 1 2 3 4 NKK NKK Nippon Ka...

Page 96: ...for the transmission of information In the ETHERNET based programmable fieldbus couplers and controllers developed by WAGO usually various application protocols have been implemented on the basis of t...

Page 97: ...aintenance and control of processes possible 4 1 2 Network Architecture Principles and Regulations A simple ETHERNET network is designed on the basis of one PC with a network interface card NI one cro...

Page 98: ...24 AWG UTP or STP UTP twisted pair cable for a 10Mbps baseband signal for distances up to 100 m in a physical star topology 10Broad36 Uses a 75 Ohm coaxial cable for a 10Mbps baseband signal for dist...

Page 99: ...ield surrounding all twisted unshielded conductor pairs and an impedance of 100 ohm STP cable shielded twisted pair is cable of Category 5 with stranded and individually shielded conductor pairs no ov...

Page 100: ...re described in the ETHERNET standard for networks covering larger distances 4 1 2 2 Network Topologies In the case of 10Base T or 100BaseTX several stations nodes are connected using a star topology...

Page 101: ...es characteristics of linear bus and star topologies It consists of groups of star configured workstations connected to a linear bus backbone cable Tree topologies allow for the expansion of an existi...

Page 102: ...protocols or ETHERNET networks where all fiber optic cabling or a combination of a backbone with UTP cabling is used If there is a combination of fiber optic backbone and UTP cabling the rule is simp...

Page 103: ...tar topologies supports various transmission media does not prevent any network collisions 2 Router Links two or more data networks Matches topology changes and incompatible packet sizes e g used in i...

Page 104: ...for the autonegotiation of both communication partners must be supported and activated 4 1 2 4 3 Errors Occurring when Configuring the Transmission Mode Invalid configurations are listed below Proble...

Page 105: ...e relatively long 0 1 10 seconds However real time behavior within the fieldbus system level is required for ETHERNET in industry In ETHERNET it is possible to meet the real time requirements by restr...

Page 106: ...he subscriber is limited Therefore the delay time of a message is predictable Switched ETHERNET In the case of Switched Ethernet several fieldbus nodes are connected by a switch When data from a netwo...

Page 107: ...rnet physical interface CSMA CD 2 IP For the communication the Internet Protocol IP is positioned above the Ethernet hardware This bundles the data to be transmitted in packets along with sender and r...

Page 108: ...Transport Protocol for www browsers and some others In this example the protocols MODBUS TCP UDP and EtherNet IP are implemented for use in industrial data communication Here the MODBUS protocol is a...

Page 109: ...ers and controllers IP Version 4 Raw IP and IP Multicast TCP UDP ARP The following diagram is intended to explain the data structure of these protocols and how the data packets of the communication pr...

Page 110: ...ansmission is connectionless i e the sender does not receive any feedback from the receiver The data used is packed in an address information frame The following figure shows the structure of such a p...

Page 111: ...sequence of the data packets to be incorrect Therefore it is necessary to use a higher level protocol for example TCP to guarantee correct transmission IP addresses To allow communication over the net...

Page 112: ...ge of Class C networks in the first byte is always between 192 and 223 Additional network classes D E are only used for special tasks Key data Address range of the Possible number of subnetwork networ...

Page 113: ...ze and position of the subnetwork ID are not defined however the size is dependent upon the number of subnets to be addressed and the number of subscribers per subnet 1 8 16 24 32 1 0 Net ID Subnet ID...

Page 114: ...rk mask defined by the administrator in the same way as the IP address when installing the network protocol Gateway The subnets of the Internet are normally connected via gateways The function of thes...

Page 115: ...ticast address in order to send the packet to several recipients with a single send operation Here the common medium enables packets to be sent simultaneously to several recipients The stations do not...

Page 116: ...east 20 bytes and contains among others the application port number of the transmitter and the receiver the sequence number and the acknowledgement number The resulting TCP packet is used in the data...

Page 117: ...r waits for BootP requests and generates the response from a configuration database The dynamic configuration of the IP address via a BootP server offers the user a flexible and simple design of his n...

Page 118: ...HTML page saved in the programmable fieldbus coupler or controller which is accessed via the Port link If the BootP protocol is deactivated the programmable fieldbus coupler or controller uses the par...

Page 119: ...ow long the coupler controller keeps the assigned IP address The maximum lease time is 24 8 days This results from the internal resolution of timer Renewing time The Renewing time indicates starting f...

Page 120: ...lock link The following parameters must be set Parameter Meaning Address of the Time server The address assignment can be made either over a IP address or a host name Time zone The time zone relative...

Page 121: ...Determines the structure for the transferred file MODE Determines the kind of file transmission RETR Reads file from server STOR Saves file on server APPE Saves file on server Append mode ALLO Reserva...

Page 122: ...p computers are switched off at the end of the day it is impractical to send SMTP mail there For that reason in many networks special SMTP hosts are installed in many networks which are permanently sw...

Page 123: ...ifier entered by receiver Protocol identifier is always 0 Length field High byte Low byte Unit identifier Slave address MODBUS function code Data Fig 4 12 MODBUS TCP Header More information The struct...

Page 124: ...Register Writing of an individual output register W Process image internal variables FC 11 0x0B Get Comm Event Counters Communication event counter R None FC 15 0x0F Force Multiple Coils Writing of se...

Page 125: ...3 AO DO AO 750 342 ON LINK TxD RxD I O ERROR Ethernet W AGO I O SY STE M DI DI DI DI AI AI AI AI Highbyte Lowbyte Highbyte Lowbyte 0x0001 0x0009 0x000D 0x0005 0x0000 0x0008 0x000C 0x0004 0x0003 0x000B...

Page 126: ...er The exception code contained in the exception has the following meaning Exception Code Meaning 0x01 Illegal Function 0x02 Illegal Data Address 0x03 Illegal Data Value 0x04 Slave Device Failure 0x05...

Page 127: ...ts are packed in the data field A binary 1 corresponds to the ON status and a 0 to the OFF status The lowest value bit of the first data byte contains the first bit of the request The others follow in...

Page 128: ...ked into the data field A binary 1 corresponds to the ON status and a 0 the OFF status The lowest value bit of the first data byte contains the first bit of the inquiry The others follow in an ascendi...

Page 129: ...saction identifier 0x0000 Byte 2 3 protocol identifier 0x0000 Byte 4 5 length field 0x0006 Byte 6 unit identifier 0x01 not used Byte 7 MODBUS function code 0x03 Byte 8 9 reference number 0x0000 Byte 1...

Page 130: ...on identifier 0x0000 Byte 2 3 protocol identifier 0x0000 Byte 4 5 length field 0x0006 Byte 6 unit identifier 0x01 not used Byte 7 MODBUS function code 0x04 Byte 8 9 reference number 0x0000 Byte 10 11...

Page 131: ...ddress 0 Example Turn ON the second output bit address 1 Byte Field name Example Byte 0 1 Transaction identifier 0x0000 Byte 2 3 protocol identifier 0x0000 Byte 4 5 length field 0x0006 Byte 6 unit ide...

Page 132: ...therefore the first register starts at address 0 Example Write a value of 0x1234 to the second output register Byte Field name Example Byte 0 1 Transaction identifier 0x0000 Byte 2 3 protocol identifi...

Page 133: ...not performed in the case of exception replies poll commands or counter inquiries Request Byte Field name Example Byte 0 1 Transaction identifier 0x0000 Byte 2 3 protocol identifier 0x0000 Byte 4 5 l...

Page 134: ...1 0000 in binary format The first data byte transmits the value of 0xA5 to the addresses 7 to 0 whereby 0 is the lowest value bit The next byte transmits 0xF0 to the addresses 15 to 8 whereby the lowe...

Page 135: ...t is at address 0 Example Set data in registers 0 and 1 Byte Field name Example Byte 0 1 Transaction identifier 0x0000 Byte 2 3 protocol identifier 0x0000 Byte 4 5 length field 0x000B Byte 6 Unit iden...

Page 136: ...1 Transaction identifier 0x0000 Byte 2 3 protocol identifier 0x0000 Byte 4 5 length field 0x0002 Byte 6 Unit identifier 0x01 not used Byte 7 MODBUS function code 0x16 Byte 8 9 Reference Number 0x0000...

Page 137: ...are read out of the two registers 0 and 1 Byte Field name Example Byte 0 1 Transaction identifier 0x0000 Byte 2 3 protocol identifier 0x0000 Byte 4 5 length field 0x000F Byte 6 Unit identifier 0x01 no...

Page 138: ...4 2 5 3 Configuration Functions 12288 24575 0x3000 0x5FFF Modbus Exception Illegal data address 24576 25340 0x6000 0x62FC IW256 IW1020 Physical Input Area 2 Additional 764 Words physical input data 2...

Page 139: ...ical Input Area 1 First 512 digital inputs 512 1023 0x0200 0x03FF Physical Output Area 1 First 512 digital outputs 1024 12287 0x0400 0x2FFF Modbus Exception Illegal data address 12288 13815 0x3000 0x3...

Page 140: ...rameter 0x1020 R 1 2 LED Error Code 0x1021 R 1 LED Error Argument 0x1022 R 1 4 Number of analog output data in the process image in bits 0x1023 R 1 3 Number of analog input data in the process image i...

Page 141: ...te of the firmware 0x2023 R 32 Indication of the firmware loader 0x2030 R 65 Description of the connected busmodules module 0 64 0x2031 R 64 Description of the connected busmodules module 65 128 0x203...

Page 142: ...defines the function code s that will reset the timer Finally the Watchdog Trigger register 0x1003 must be changed to a non zero value to start the timer Reading the Minimum Trigger time Register 0x10...

Page 143: ...codes 17 to 32 These codes are currently not supported for this reason the default value should not be changed It is not possible to modify this value while the watchdog is running Register address 0x...

Page 144: ...4104 Designation Restart watchdog WD_RESTART Access read write Default 0x0001 Description This register restarts the watchdog timer by writing a value of 0x1 into it If the watchdog was stopped before...

Page 145: ...odify the value of the Watchdog Trigger register 0x0003 to start the watchdog 4 At this point the fieldbus master must continuously use function code 5 Force Single Coil within the specified time to r...

Page 146: ...read Description Declaration of the Error argument see section 3 1 8 4 for error code definitons 4 2 5 3 Configuration Functions The following registers contain configuration information of the conne...

Page 147: ...id register address 2 words BadData Invalid value 2 words TooManyRegisters Number of the registers which can be worked on is too large Read Write 125 100 2 words TooManyBits Number of the coils which...

Page 148: ...cannot be read out of digital modules a code is displayed for them as defined below Bit position 0 Input module Bit position 1 Output module Bit position 2 7 not used Bit position 8 14 module size in...

Page 149: ...modules present modules 193 to 255 Each module is represented in a word Because item numbers cannot be read out of digital modules a code is displayed for them as defined below Bit position 0 Input m...

Page 150: ...word count of 1 Value Item number INFO_ITEM Access Read Description WAGO item number e g 341 for the coupler Register address 0x2013 MODBUS Address 408212 with a word count of 1 Value Major sub item...

Page 151: ...08194 Value Ones GP_ONES Access Read Description Constant with ones Is 1 if this is declared as signed int or MAXVALUE if it is declared as unsigned int Register address 0x2002 MODBUS Address 408195 V...

Page 152: ...ustry standard that extends the classic Ethernet with an industrial protocol This standard was jointly developed by ControlNet International CI and the Open DeviceNet Vendor Association ODVA with the...

Page 153: ...layer CIP application object library 6 Presentation layer CIP data management services explicit messages I O messages 5 Session layer CIP message routing connection management CIP 4 Transport layer E...

Page 154: ...instances Instance An instance consists of different variables attributes that describe the properties of this instance Different instances of a class have the same services the same behaviour and th...

Page 155: ...ion Object 65 hex Discrete Input Point 66 hex Discrete Output Point 67 hex Analog Input Point 68 hex Analog Output Point 69 hex Discrete Input Point Extended 1 6A hex Discrete Output Point Extended 1...

Page 156: ...signation of the CIP data type of the attribute Description Short description for the Attribute Default value Factory settings 4 3 3 2 4 Identity 01 hex Class Attribute ID Access Name Data type Descri...

Page 157: ...s Service available Service code Class Instance Service Name Description 01 hex yes yes Get_Attribute_All Supplies contents of all attributes 05 hex no yes Reset Implements the reset service Service p...

Page 158: ...ervice Name Description 01 hex yes no Get_Attribute_All Supplies contents of all attributes 0E hex no yes Get_Attribute_Single Supplies contents of the appropriate attribute 4 3 3 2 6 Assembly 04 hex...

Page 159: ...ARRAY of BYTE Reference of the process image only digital input data Status Instance 106 6A hex Attribute ID Access Name Data type Description Default value 3 Get Data ARRAY of BYTE Reference of the p...

Page 160: ...e slave device Common Services Service available Service code Class Instance Service Name Description 0E hex yes yes Get_Attribute_Single Supplies contents of the appropriate attribute 10 hex no yes S...

Page 161: ...ute ID Access NV Name Data type Description Default value 1 Get V Status DWORD Interface state 2 Get V Configurat ion Capability DWORD Inferface flags for possible kinds of configuration 0x00000007 3...

Page 162: ...x0001 3 Get Num Instances UDINT Number of the current instanced connections Instance 1 Attribute ID Access Name Data type Description Default value 1 Get Interface Speed UDINT Transfer rate 10 0x0A or...

Page 163: ...0A Get V CnfLen Digi talInp UINT Number of I O bits for the digital inputs 11 0x0B Set NV Bk_Fault_R eaction USINT Fieldbus error reaction 0 stop local I O cycles 1 set all output to 0 2 no error reac...

Page 164: ...e available Service code Class Instance Service Name Description 0E hex yes yes Get_Attribute_ Single Supplies contents of the appropriate attribute 4 3 3 2 12 Discrete Output Point 66 hex Class Attri...

Page 165: ...Instance Service Name Description 0E hex yes yes Get_Attribute_ Single Supplies contents of the appropriate attribute 4 3 3 2 14 Analog Output Point 68 hex Class Attribute ID Access Name Data type Des...

Page 166: ...t 511 765 72 hex Digital Output 766 1020 4 3 3 2 17 Analog Input Point Extended 1 3 6B hex 6F hex 73 hex Same as the Analog Input Point Class 67 hex however it contains the extended analog inputs 6B h...

Page 167: ...tribute 4 3 3 2 20 Module configuration Extended 81 hex Same as the Module Configuration Class 80 hex however this class only contains the description of module 255 5 I O Modules 5 1 Overview All list...

Page 168: ...g 750 432 753 432 4 Channel DC 24 V 3 0 ms 2 conductor connection high side switching 750 403 753 403 4 Channel DC 24 V 0 2 ms 2 to 3 conductor connection high side switching 750 433 753 433 4 Channel...

Page 169: ...tion 750 424 753 424 2 Channel DC 24 V Intruder Detection 5 1 2 Digital Output Modules DO DC 5 V 750 519 4 Channel DC 5 V 20mA short circuit protected high side switching DO DC 12 14 V 753 534 8 Chann...

Page 170: ...753 514 2 Channel AC 125 V AC 0 5 A DC 30 V DC 1 A isolated outputs 2 changeover contacts 750 517 753 517 2 Channel AC 230 V 1 A isolated outputs 2 changeover contacts 750 512 753 512 2 Channel AC 230...

Page 171: ...Channel DC 10 V single ended S E AI DC 0 30 V 750 483 753 483 2 Channel DC 0 30 V Differential Measurement Input AI Resistance Sensors 750 461 753 461 2 Channel Resistance Sensors PT100 RTD 750 481 0...

Page 172: ...log Output Modules WAGO I O SYSTEM 750 ETHERNET TCP IP 750 560 2 Channel DC 0 10 V 10 Bit 100 mW 24 V 750 559 753 559 4 Channel DC 0 10 V AO DC 10 V 750 556 753 556 2 Channel DC 10 V 750 557 753 557 4...

Page 173: ...ncremental Encor Interface RS 422 cam outputs 750 635 753 635 Digital Pulse Interface Serial Interfaces 750 650 753 Serial Interface RS 232 C 750 653 753 Serial Interface RS 485 750 651 TTY Serial Int...

Page 174: ...diagnostics with fuse holder 750 611 AC 230 V max 6 3 A with diagnostics with fuse holder Filter Modules 750 624 Filter Module for field side power supply 750 626 Filter Module for system and field si...

Page 175: ...ure of the process data mapping identical 5 2 1 Digital Input Modules Digital input modules supply one bit of data per channel to specify the signal state for the corresponding channel These bits are...

Page 176: ...Digital Input Module with Diagnostics and Output Process Data 750 418 753 418 The 750 418 753 418 digital input module supplies a diagnostic and acknowledge bit for each input channel If a fault cond...

Page 177: ...DI 5 Channel 5 Data bit DI 4 Channel 4 Data bit DI 3 Channel 3 Data bit DI 2 Channel 2 Data bit DI 1 Channel 1 5 2 2 Digital Output Modules Digital output modules use one bit of data per channel to c...

Page 178: ...iagnostic bit is set The diagnostic data is mapped into the Input Process Image while the output control bits are in the Output Process Image Input Process Image Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bi...

Page 179: ...ontrols DO 4 Channel 4 controls DO 3 Channel 3 controls DO 2 Channel 2 controls DO 1 Channel 1 4 Channel Digital Output Modules with Diagnostics and Input Process Data 750 532 The 750 532 digital outp...

Page 180: ...nostic bit for each output channel When an output fault condition occurs i e overload short circuit or broken wire a diagnostic bit is set The diagnostic data is mapped into the Input Process Image wh...

Page 181: ...ess Image When digital input modules are also present in the node the analog input data is always mapped into the Input Process Image in front of the digital data 1 Channel Analog Input Module 750 491...

Page 182: ...r channel and 8 bits of control status However the coupler controller with MODBUS TCP does not have access to the 8 control status bits Therefore the coupler controller with MODBUS TCP can only access...

Page 183: ...smitted from the control system to the module and the status byte from the module to the control system This allows for example setting of a counter with the control byte or displaying of overshooting...

Page 184: ...in both the Input and Output Process Image 4 bytes of counter data and 1 byte of control status The two counter values are supplied as 16 bits The following tables illustrate the Input and Output Pro...

Page 185: ...1 D0 Counter Value of Counter 1 2 S1 Status byte of Counter 2 3 D3 D2 Counter Value of Counter 2 Output Process Image Byte Destination Offset High Byte Low Byte Remark 0 C0 Control byte of Counter 1 1...

Page 186: ...02 007 Note With the freely parametrizable variations 003 000 of the serial interface modules the desired operation mode can be set Dependent on it the process image of these modules is then the same...

Page 187: ...Process Image which have a total of 3 words mapped into each image Word alignment is applied Input and Output Process Image Byte Destination Offset High Byte Low Byte Remark 0 D0 C S Data byte Control...

Page 188: ...ark 0 D1 D0 1 D3 D2 Data bytes Incremental Encoder Interface Modules 750 631 The above Incremental Encoder Interface modules have 5 bytes of input data and 3 bytes of output data The following tables...

Page 189: ...he control byte the cycle duration is given as a 24 bit value that is stored in D2 together with D3 D4 Output Process Image Byte Destination Offset High Byte Low Byte Remark 0 C not used Control byte...

Page 190: ...RTC Module module has a total of 6 bytes of user data in both the Input and Output Process Image 4 bytes of module data and 1 byte of control status and 1 byte ID for command The following table illu...

Page 191: ...LI Address 3 D4 D3 Command Extension Parameter 1 EnOcean Radio Receiver 750 642 The EnOcean radio receiver has a total of 4 bytes of user data in both the Input and Output Process Image 3 bytes of mod...

Page 192: ...e Input and Output Process Image 6 bytes of module data and 2 bytes of control status The following table illustrates the Input and Output Process Image which have 4 words mapped into each image Word...

Page 193: ...Image which have 8 words mapped into each image Word alignment is applied Input and Output Process Image byte Destination Offset High Byte Low Byte Remark 0 C0 S0 Not used Control Status byte log Chan...

Page 194: ...s data in both the Input and Output Process Image Word alignment is applied The first Input and output word which is assigned to an AS interface master module contains the status control byte and one...

Page 195: ...0 Diagnostic bit S 2 Fuse Diagnostic bit S 1 Voltage Binary Space Module 750 622 The Binary Space Modules 750 622 behave alternatively like 2 channel digital input modules or output modules and seize...

Page 196: ...process data map For the PFC process image of the programmable fieldbus controller is the the structure of the process data mapping identical 5 3 1 Digital Input Modules Digital input modules supply...

Page 197: ...Data bit DI 2 Channel 2 Data bit DI 1 Channel 1 The input modules seize 4 Instances in Class 0x65 2 Channel Digital Input Module with Diagnostics and Output Process Data 750 418 753 418 The 750 418 7...

Page 198: ...n Class 0x65 8 Channel Digital Input Modules 750 430 431 436 437 753 430 431 434 Input Process Image Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Data bit DI 8 Channel 8 Data bit DI 7 Channel 7 Dat...

Page 199: ...513 514 517 Output Process Image Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 controls DO 2 Channel 2 controls DO 1 Channel 1 The output modules seize 2 Instances in Class 0x66 2 Channel Digital In...

Page 200: ...Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Diagnostic bit S 3 Channel 2 Diagnostic bit S 2 Channel 2 Diagnostic bit S 1 Channel 1 Diagnostic bit S 0 Channel 1 The output modules seize 4 Instances in Class 0x...

Page 201: ...s DO 3 Channel 3 controls DO 2 Channel 2 controls DO 1 Channel 1 And the output modules seize 4 Instances in Class 0x66 8 Channel Digital Output Module 750 530 536 753 530 434 Output Process Image Bit...

Page 202: ...ls DO 1 Channel 1 And the output modules seize 8 Instances in Class 0x66 5 3 3 Analog Input Modules The hardware of an analog input module has 16 bits of measured analog data per channel and 8 bits of...

Page 203: ...nation Offset High Byte Low Byte Remark 0 D1 D0 Measured Value Channel 1 1 D3 D2 Measured Value Channel 2 The input modules represent 2x2 bytes and seize 2 Instances in Class 0x67 4 Channel Analog Inp...

Page 204: ...a is always mapped into the Output Process Image in front of the digital data Each output channel seizes one Instance in the Analog Output Point Object Class 0x68 2 Channel Analog Output Modules 750 5...

Page 205: ...r each module can be found on the Internet under http www wago com The Specialty Modules represent as analog modules For this the process input data of the Specialty Modules seize one Instance per cha...

Page 206: ...ied Input Process Image Byte Destination Offset High Byte Low Byte Remark 0 S Status byte 1 D1 D0 Counter Value of Counter 1 2 D3 D2 Counter Value of Counter 2 The specialty modules represent 1x6 byte...

Page 207: ...tput data and seize 2 Instances in Class 0x68 Pulse Width Modules 750 511 and all variations The above Pulse Width modules have a total of 6 bytes of user data in both the Input and Output Process Ima...

Page 208: ...1 byte of control status The following table illustrates the Input and Output Process Image which have a total of 2 words mapped into each image Word alignment is applied Input and Output Process Imag...

Page 209: ...nput and Output Process Image which has a total of 2 words mapped into each image Word alignment is applied Input and Output Process Image Byte Destination Offset High Byte Low Byte Remark 0 D1 D0 1 D...

Page 210: ...yte Remark 0 C not used Control byte 1 D1 D0 Counter Setting word 2 not used 3 not used And the specialty modules represent 1x6 bytes output data and seize 1 Instance in Class 0x68 750 634 The above I...

Page 211: ...mage Byte Destination Offset High Byte Low Byte Remark 0 C0 S0 Control Status byte 1 1 D1 D0 Data Value 2 C1 S1 Control Status byte 2 3 D3 D2 Data Value The specialty modules represent 2x3 bytes input...

Page 212: ...trol Status byte D1 D0 n D3 D2 Data bytes The specialty modules represent 1x6 bytes input data and seize 1 Instance in Class 0x67 and seize 1 Instance in Class 0x68 DALI DSI Master Module 750 641 The...

Page 213: ...illustrate the Input and Output Process Image which have 2 words mapped into each image Word alignment is applied Input Process Image Byte Destination Offset High Byte Low Byte Remark 0 D0 S Data byte...

Page 214: ...a and 4 bytes of control status The following table illustrates the Input and Output Process Image which have 8 words mapped into each image Word alignment is applied Input and Output Process Image By...

Page 215: ...ox is permanently superimposed Mode 1 In the operating mode with suppressable mailbox Mode 2 the mailbox and the cyclical process data are mapped next The following words contain the remaining process...

Page 216: ...upon the selected settings 1 2 3 or 4 bits per channel According to this 2 4 6 or 8 bits are occupied then either in the process input or the process output image Input or Output Process Image Bit 7 B...

Page 217: ...ormation For a description example relating to the software operation please refer to http www win tech com html modscan32 htm 6 2 Visualization and control using SCADA software This chapter is intend...

Page 218: ...ETHERNET driver has been loaded and MODBUS ETHERNET has been selected Subsequently the user is requested to enter the IP address for addressing the fieldbus node At this point some programs allow the...

Page 219: ...ing of several input registers 4 FC4 read input registers Reading of an individual input register The following five digits specify the channel number of the consecutively numbered digital or analog i...

Page 220: ...condary explosion protection comes into play Following is a detailed description of such secondary measures 7 3 Classification meeting CENELEC and IEC The specifications outlined here are valid for us...

Page 221: ...rare or short term occurrence of an explosive atmosphere 0 h 10 h year 7 3 2 Explosion protection group In addition the electrical components for explosive areas are subdivided into two groups Group...

Page 222: ...ve environment by dust 7 3 4 Temperature classes The maximum surface temperature for electrical components of explosion protection group I is 150 C danger due to coal dust deposits or 450 C if there i...

Page 223: ...sulation Zone 1 2 EEx d EN 50 018 IEC 79 1 Pressure resistant encapsulation Zone 1 2 EEx e EN 50 019 IEC 79 7 Increased safety Zone 1 2 EEx m EN 50 028 IEC 79 18 Cast encapsulation Zone 1 2 EEx i EN 5...

Page 224: ...e valid for North America 7 4 1 Divisions The Divisions describe the degree of probability of whatever type of dangerous situation occurring Here the following assignments apply Explosion endangered a...

Page 225: ...um surface temperature Ignition temperature of the combustible materials T1 450 C 450 C T2 300 C 300 C to 450 C T2A 280 C 280 C to 300 C T2B 260 C 260 C to 280 C T2C 230 C 230 C to 260 C T2D 215 C 215...

Page 226: ...55 C max ambient LISTED 22ZA AND 22XM 2 4 2 4 6 2 1 0 1 0 2 0 3 II 3 G KEMA 01ATEX1024 X EEx nA II T4 Explosion protection group Unit category Community symbol for explosion protected electrical compo...

Page 227: ...EMA 01ATEX1024 X EEx nA II T4 CL I DIV 2 Grp A B C D op temp code T4A 24V DC AWG 28 14 55 C max ambient 2 4 2 4 6 4 1 0 0 0 2 0 3 LISTED 22ZA AND 22XM CL I DIV 2 Grp ABCD optemp code T4A Explosion gro...

Page 228: ...dditional VDE regulations DIN VDE 0100 Installation in power plants with rated voltages up to 1000 V DIN VDE 0101 Installation in power plants with rated voltages above 1 kV DIN VDE 0800 Installation...

Page 229: ...ardous areas Installation connection addition removal or replacement of modules fieldbus connectors or fuses may only take place when the system supply and the field supply are switched off or when th...

Page 230: ...ithin a time unit BNC Bayonet Navy Connector Socket for coaxial cable BootP the bootstrap protocol is a protocol which specifies how system and network information is to be transmitted from a server t...

Page 231: ...ll subscribers back off After waiting a random delay time the subscribers attempt to re transmit the data D Data bus see Bus Deterministic ETHERNET The ETHERNET data is transferred at a defined time c...

Page 232: ...They are also able to control and regulate the traffic from the LAN into the Internet The crucial part of firewalls are static routers which have an access control list used to decide which data pack...

Page 233: ...means of local and remote request Today this term is also used to refer to simple computers which provide particular central Services i e UNIX Subscribers on the Internet HTML Abbreviation of hypertex...

Page 234: ...standard published in 1993 for morn systems with PLC functionality Based on a structured software model it defines a number of high performance programming languages that can be used for various autom...

Page 235: ...rence model of the ISO OSI for networks with the objective of creating open communication It defines the interface standards of the respective software and hardware requirements between computer manuf...

Page 236: ...O Open MODBUS TCP Specification Specification which establishes the specific structure of a MODBUS TCP data packet This is dependant upon the selected function code Operating system Software which lin...

Page 237: ...the proxy gateway apart from the single configuration in the web browser Most web browsers can be configured so that they use different or no proxy gateways per access method FTP HTTP R Repeater Repe...

Page 238: ...Supervisory Control and Data Acquisition SCADA software is a program for the control and visualization of processes Segment Typically a network is divided up into different physical network segments b...

Page 239: ...work shielding additionally to the single shielding of the conductors still another These cables are called S STP cables Screened Shielded twisted pair Structured cabling This specifies the maximum pe...

Page 240: ...ch and not have to send it back to the main server Switched ETHERNET The segments of this type of ETHERNET are connected by switches There are many applications for switching technologies ETHERNET swi...

Page 241: ...rical not protected cable with twisted colored wires in pairs This type of cable which there is in execution two in pairs and four in pairs is the dominating type of cable in the floor wiring and the...

Page 242: ...rintmed html Local Area Networks An introduction to the technology John E McNamara Digital Press 1985 ISBN 0 932376 79 7 Digital Press Teil Nummer EY 00051 DP Network Troubleshooting Guide von Digital...

Page 243: ...Firmware Information 141 function code FC6 122 function code 113 134 209 Application example 210 FC1 117 FC11 123 FC15 124 FC16 125 FC2 118 FC22 126 FC23 127 FC3 119 FC4 120 FC5 121 Gateway 52 53 93...

Page 244: ...net 94 Socket 230 Standard Cabling 92 EN 50173 ISO 11801 TIA 568 A 92 Standardization IEEE 802 3 86 Structured cabling 92 230 Subnet 103 230 mask 102 231 Subscriber ID 102 Switch 87 93 231 Switched Et...

Page 245: ...Notes 239 WAGO I O SYSTEM 750 ETHERNET TCP IP...

Page 246: ...WAGO Kontakttechnik GmbH Co KG Postfach 2880 D 32385 Minden Hansastra e 27 D 32423 Minden Phone 05 71 8 87 0 Fax 05 71 8 87 1 69 E Mail info wago com Web http www wago com...

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