WAGO WAGO-I/O-SYSTEM 750 750-362 User manual

Manual
WAGO-I/O-SYSTEM 750
750-362
FC Modbus TCP; G4
Fieldbus Coupler Modbus TCP; Generation 4
Version 1.0.2

2 WAGO-I/O-SYSTEM 750
750-362 FC Modbus TCP; G4
Manual
Version 1.0.2
© 2019 WAGO Kontakttechnik GmbH & Co. KG
All rights reserved.
WAGO Kontakttechnik GmbH & Co. KG
Hansastraße 27
D-32423 Minden
Phone: [phone] – 0
Fax: [phone] – 1 69
E-Mail: [email protected]
Web: www.wago.com
Technical Support
Phone: [phone] – 4 45 55
Fax: [phone] – 84 45 55
E-Mail: [email protected]
Every conceivable measure has been taken to ensure the accuracy and
completeness of this documentation. However, as errors can never be fully
excluded, we always appreciate any information or suggestions for improving the
documentation.
E-Mail: [email protected]
We wish to point out that the software and hardware terms as well as the
trademarks of companies used and/or mentioned in the present manual are
generally protected by trademark or patent.
WAGO is a registered trademark of WAGO Verwaltungsgesellschaft mbH.

WAGO-I/O-SYSTEM 750 Table of Contents 3
750-362 FC Modbus TCP; G4
Manual
Version 1.0.2
Table of Contents
1Notes about this Documentation ..............................................................9
1.1 Validity of this Documentation..................................................................9
1.2 Copyright..................................................................................................9
1.3 Property rights........................................................................................10
1.4 Symbols .................................................................................................11
1.5 Number Notation....................................................................................13
1.6 Font Conventions...................................................................................13
2Important Notes ........................................................................................14
2.1 Legal Bases ...........................................................................................14
2.1.1 Subject to Changes...........................................................................14
2.1.2 Personnel Qualifications....................................................................14
2.1.3 Use of the 750 Series in Compliance with Underlying Provisions.....14
2.1.4 Technical Condition of Specified Devices .........................................15
2.1.4.1 Disposal........................................................................................15
2.1.4.1.1 Electrical and Electronic Equipment ........................................15
2.1.4.1.2 Packaging ................................................................................16
2.2 Safety Advice (Precautions)...................................................................17
2.3 Special Use Conditions for ETHERNET Devices ..................................20
3System Description ..................................................................................21
3.1 Labeling .................................................................................................22
3.1.1 Labeling Symbols..............................................................................22
3.1.2 Manufacturing Number......................................................................23
3.1.3 Hardware Address (MAC-ID) ............................................................24
3.1.4 Update Matrix....................................................................................24
3.2 Storage, Assembly and Transport .........................................................25
3.3 Assembly Guidelines/Standards............................................................26
3.4 Power Supply.........................................................................................27
3.4.1 Overcurrent Protection ......................................................................27
3.4.2 Isolation.............................................................................................28
3.4.3 System Supply ..................................................................................29
3.4.3.1 Connection ...................................................................................29
3.4.3.2 Dimensioning................................................................................30
3.4.4 Field Supply ......................................................................................33
3.4.4.1 Connection ...................................................................................33
3.4.4.2 Fusing via Power Supply Module .................................................35
3.4.4.3 Fusing external .............................................................................38
3.4.5 Supplementary Power Supply Regulations.......................................40
3.4.6 Supply Example ................................................................................41
3.4.7 Power Supply Unit.............................................................................43
3.5 Grounding ..............................................................................................44
3.5.1 Grounding the DIN Rail .....................................................................44
3.5.1.1 Framework Assembly ...................................................................44
3.5.1.2 Insulated Assembly ......................................................................44
3.5.2 Grounding Function...........................................................................45
3.6 Shielding ................................................................................................46
3.6.1 General .............................................................................................46

4 Table of Contents WAGO-I/O-SYSTEM 750
750-362 FC Modbus TCP; G4
Manual
Version 1.0.2
3.6.2 Fieldbus Cables.................................................................................46
3.6.3 Shielded Signal Lines........................................................................47
3.6.4 WAGO Shield Connecting System....................................................47
4Device Description ...................................................................................48
4.1 View .......................................................................................................50
4.2 Connectors.............................................................................................52
4.2.1 Device Supply ...................................................................................52
4.2.2 Fieldbus Connection..........................................................................53
4.3 Display Elements ...................................................................................54
4.4 Operating Elements ...............................................................................55
4.4.1 Service Interface ...............................................................................55
4.4.2 Address Selection Switch..................................................................56
4.5 Technical Data.......................................................................................57
4.5.1 Device Data.......................................................................................57
4.5.2 System Data......................................................................................57
4.5.3 Supply ...............................................................................................57
4.5.4 Fieldbus Modbus TCP.......................................................................58
4.5.5 Accessories.......................................................................................58
4.5.6 Connection Type ...............................................................................58
4.5.7 Climatic Environmental Conditions....................................................59
4.5.8 Mechanical Strength..........................................................................60
4.5.9 Software Compatibility.......................................................................60
4.6 Approvals...............................................................................................61
4.7 Standards and Guidelines......................................................................62
5Mounting ...................................................................................................63
5.1 Installation Position................................................................................63
5.2 Overall Configuration .............................................................................63
5.3 Mounting onto Carrier Rail.....................................................................65
5.3.1 Carrier Rail Properties.......................................................................65
5.3.2 WAGO DIN Rails...............................................................................66
5.4 Spacing..................................................................................................66
5.5 Mounting Sequence...............................................................................67
5.6 Inserting and Removing Devices ...........................................................68
5.6.1 Inserting the Fieldbus Coupler/Controller..........................................69
5.6.2 Removing the Fieldbus Coupler/Controller .......................................69
5.6.3 Inserting the I/O Module....................................................................70
5.6.4 Removing the I/O Module..................................................................71
6Connect Devices.......................................................................................72
6.1 Data Contacts/Local Bus .......................................................................72
6.2 Power Contacts/Field Supply.................................................................73
6.3 Connecting a Conductor to the CAGE CLAMP®....................................74
7Function Description................................................................................75
7.1 Operating System ..................................................................................75
7.2 Process Data Architecture .....................................................................76
7.2.1 Basic Structure..................................................................................76
7.2.2 Process Data MODBUS TCP............................................................77
7.3 Data Exchange ......................................................................................78

WAGO-I/O-SYSTEM 750 Table of Contents 5
750-362 FC Modbus TCP; G4
Manual
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7.3.1 Memory Space ..................................................................................79
7.3.2 Addressing ........................................................................................79
7.3.2.1 Addressing of I/O Modules ...........................................................80
7.3.3 Data Exchange between MODBUS/TCP Master and I/O Modules...81
8Commissioning.........................................................................................83
8.1 Connecting Client PC and Fieldbus Nodes............................................84
8.2 Determining the IP Address of the PC...................................................84
8.3 Assigning the IP Address to the Fieldbus Node.....................................85
8.3.1 Assigning IP Address via Address Selection Switch.........................85
8.3.2 Assigning IP Address via DHCP .......................................................87
8.3.2.1 Enable DHCP via "WAGO Ethernet Settings" (without existing IP
address)" ......................................................................................89
8.3.2.2 Enable DHCP via WBM (with existing IP address).......................90
8.3.3 Assigning IP Address via “WAGO Ethernet Settings” .......................91
8.3.4 Assigning the IP Address via BootP..................................................93
8.3.4.1 Reasons for Failed IP Address Assignment .................................95
8.4 Apply IP address permanently (option “static“) ......................................96
8.5 Testing the Function of the Fieldbus Node ............................................97
8.6 Preparing the Flash File System............................................................98
8.7 Synchronizing the System Time ..........................................................100
8.8 Restoring Factory Settings...................................................................102
9Configuring via the Web-Based Management System (WBM) ........... 103
9.1 WBM User Groups...............................................................................103
9.2 Open WBM ..........................................................................................104
9.3 WBM Pages.........................................................................................104
9.4 Information...........................................................................................106
9.5 Administration ......................................................................................107
9.6 Clock....................................................................................................109
9.7 Miscellaneous ......................................................................................111
9.8 Storage Media......................................................................................111
9.9 Update .................................................................................................112
9.10 Ethernet ...............................................................................................113
9.11 Protocols..............................................................................................117
9.12 SNMP...................................................................................................118
9.12.1 SNMP v1/v2c ..................................................................................119
9.12.2 SNMP V3 ........................................................................................120
9.13 SNTP ...................................................................................................121
9.14 TCP/IP .................................................................................................122
9.15 MODBUS .............................................................................................123
9.16 I/O Config.............................................................................................125
10 Diagnostics .............................................................................................126
10.1 LED Signaling ......................................................................................126
10.1.1 Evaluating Fieldbus Status..............................................................127
10.1.2 Evaluating Node Status – I/O LED (Blink Code Table) ...................128
10.2 Fault Behavior......................................................................................137
10.2.1 Fieldbus Failure...............................................................................137
10.2.2 Local Bus Failure.............................................................................137
11 Fieldbus Communication.......................................................................139

6 Table of Contents WAGO-I/O-SYSTEM 750
750-362 FC Modbus TCP; G4
Manual
Version 1.0.2
11.1 Implemented Protocols ........................................................................139
11.1.1 Communication Protocols ...............................................................139
11.1.1.1 IP (Internet Protocol) ..................................................................139
11.1.1.2 TCP (Transmission Control Protocol).........................................144
11.1.1.3 UDP (User Datagram Protocol) ..................................................144
11.1.2 Configuration and Diagnostics Protocols ........................................145
11.1.2.1 BootP (Bootstrap Protocol).........................................................145
11.1.2.2 DHCP (Dynamic Host Configuration Protocol) ...........................146
11.1.2.3 HTTP (Hypertext Transfer Protocol)...........................................148
11.1.2.4 DNS (Domain Name Systems)...................................................148
11.1.2.5 SNTP-Client (Simple Network Time Protocol)............................149
11.1.2.6 FTP-Server (File Transfer Protocol) ...........................................149
11.1.2.7 SNMP (Simple Network Management Protocol).........................150
11.1.2.7.1 MIB II Description...................................................................151
11.1.2.7.2 Traps......................................................................................152
11.1.3 Application Protocols.......................................................................153
11.2 Modbus Functions................................................................................154
11.2.1 General ...........................................................................................154
11.2.2 Use of the MODBUS Functions.......................................................157
11.2.3 Description of the MODBUS Functions...........................................158
11.2.3.1 Function Code FC1 (Read Coils) ...............................................159
11.2.3.2 Function Code FC2 (Read Discrete Inputs)................................161
11.2.3.3 Function Code FC3 (Read Multiple Registers)...........................163
11.2.3.4 Function Code FC4 (Read Input Registers) ...............................164
11.2.3.5 Function Code FC5 (Write Coil) .................................................165
11.2.3.6 Function Code FC6 (Write Single Register) ...............................166
11.2.3.7 Function Code FC11 (Get Comm Event Counter)......................167
11.2.3.8 Function Code FC15 (Write Multiple Coils) ................................168
11.2.3.9 Function Code FC16 (Write Multiple Registers) .........................170
11.2.3.10 Function Code FC22 (Mask Write Register)...............................171
11.2.3.11 Function Code FC23 (Read/Write Multiple Registers)................172
11.2.4 MODBUS Register Mapping ...........................................................174
11.2.5 Modbus Registers............................................................................177
11.2.5.1 Accessing Register Values.........................................................179
11.2.5.2 Modbus-Watchdog .....................................................................179
11.2.5.3 Modbus Watchdog Register........................................................180
11.2.5.4 Diagnostic Registers...................................................................185
11.2.5.5 Configuration Registers ..............................................................186
11.2.5.6 Constant Registers .....................................................................188
11.2.5.7 Firmware Information Registers .................................................190
12 I/O Modules .............................................................................................195
12.1 Overview..............................................................................................195
12.2 Process Data Architecture for Modbus-TCP........................................196
12.2.1 Digital Input Modules.......................................................................196
12.2.1.1 1 Channel Digital Input Module with Diagnostics .......................196
12.2.1.2 2 Channel Digital Input Modules.................................................197
12.2.1.3 2 Channel Digital Input Module with Diagnostics .......................197
12.2.1.4 2 Channel Digital Input Module with Diagnostics and Output
Process Data ..............................................................................197

WAGO-I/O-SYSTEM 750 Table of Contents 7
750-362 FC Modbus TCP; G4
Manual
Version 1.0.2
12.2.1.5 4 Channel Digital Input Modules.................................................198
12.2.1.6 8 Channel Digital Input Modules.................................................198
12.2.1.7 8 Channel Digital Input Module NAMUR with Diagnostics and
Output Process Data ..................................................................198
12.2.1.8 8 Channel Digital Input Module PTC with Diagnostics and Output
Process Data ..............................................................................200
12.2.2 16 Channel Digital Input Modules ...................................................201
12.2.2.1 Digital Output Modules ...............................................................202
12.2.2.2 1 Channel Digital Output Module with Input Process Data.........202
12.2.2.3 2 Channel Digital Output Modules..............................................202
12.2.2.4 2 Channel Digital Input Modules with Diagnostics and Input
Process Data ..............................................................................203
12.2.2.5 4 Channel Digital Output Modules..............................................204
12.2.2.6 4 Channel Digital Output Modules with Diagnostics and Input
Process Data ..............................................................................204
12.2.2.7 8 Channel Digital Output Module................................................204
12.2.2.8 8 Channel Digital Output Modules with Diagnostics and Input
Process Data ..............................................................................205
12.2.2.9 16 Channel Digital Output Modules............................................205
12.2.2.10 8 Channel Digital Input/Output Modules.....................................206
12.2.3 Analog Input Modules .....................................................................207
12.2.3.1 1 Channel Analog Input Modules ...............................................207
12.2.3.2 2 Channel Analog Input Modules ...............................................207
12.2.3.3 2 Channel Analog Input Modules HART.....................................208
12.2.3.4 4 Channel Analog Input Modules ...............................................209
12.2.3.5 8 Channel Analog Input Modules ...............................................210
12.2.3.6 3-Phase Power Measurement Module .......................................211
12.2.4 Analog Output Modules...................................................................213
12.2.4.1 2 Channel Analog Output Modules.............................................213
12.2.4.2 4 Channel Analog Output Modules.............................................213
12.2.4.3 8 Channel Analog Output Modules.............................................214
12.2.5 Specialty Modules ...........................................................................214
12.2.5.1 Counter Modules ........................................................................214
12.2.5.2 Pulse Width Modules..................................................................217
12.2.5.3 Serial Interface Modules with Alternative Data Format...............217
12.2.5.4 Serial Interface Modules with Standard Data Format.................218
12.2.5.5 Serial Interface Modules.............................................................218
12.2.5.6 Data Exchange Module ..............................................................219
12.2.5.7 SSI Transmitter Interface Modules .............................................219
12.2.5.8 Incremental Encoder Interface Modules.....................................220
12.2.5.9 DC-Drive Controller ....................................................................222
12.2.5.10 Stepper Controller ......................................................................223
12.2.5.11 RTC Module ...............................................................................224
12.2.5.12 DALI/DSI Master Module............................................................224
12.2.5.13 DALI Multi-Master Module ..........................................................225
12.2.5.14 LON®FTT Module ......................................................................228
12.2.5.15 EnOcean Radio Receiver ...........................................................228
12.2.5.16 MP Bus Master Module ..............................................................229
12.2.5.17 Bluetooth®RF-Transceiver .........................................................229
12.2.5.18 Vibration Velocity/Bearing Condition Monitoring VIB I/O............230

8 Table of Contents WAGO-I/O-SYSTEM 750
750-362 FC Modbus TCP; G4
Manual
Version 1.0.2
12.2.5.19 Proportional Valve Module .........................................................231
12.2.5.20 M-Bus Master Module ................................................................232
12.2.5.21 IO-Link Master ............................................................................232
12.2.5.22 CAN Gateway.............................................................................233
12.2.5.23 Servo Stepper Controller ............................................................234
12.2.5.24 SMI Master Module ....................................................................235
12.2.5.25 AS-interface Master Module .......................................................236
12.2.5.26 System Modules .........................................................................238
12.2.5.27 System Modules with Diagnostics ..............................................238
12.2.5.28 Filter Module...............................................................................238
12.2.5.29 Binary Space Module .................................................................238
13 Application Examples ............................................................................240
13.1 Test of Modbus protocol and fieldbus nodes .......................................240
13.2 Visualization and Control using SCADA Software...............................240
14 Use in Hazardous Environments ..........................................................243
14.1 Marking Configuration Examples.........................................................244
14.1.1 Marking for Europe According to ATEX and IECEx ........................244
14.1.2 Marking for the United States of America (NEC) and Canada (CEC)248
14.2 Installation Regulations........................................................................251
14.2.1 Special Notes including Explosion Protection .................................251
14.2.2 Special Notes Regarding ANSI/ISA Ex ...........................................253
List of Figures ..................................................................................................254
List of Tables....................................................................................................256

WAGO-I/O-SYSTEM 750 Notes about this Documentation 9
750-362 FC Modbus TCP; G4
Manual
Version 1.0.2
1 Notes about this Documentation
Always retain this documentation!
This documentation is part of the product. Therefore, retain the documentation
during the entire service life of the product. Pass on the documentation to any
subsequent user. In addition, ensure that any supplement to this documentation
is included, if necessary.
1.1 Validity of this Documentation
This documentation is only applicable to the “FC Modbus TCP; G4” (750-362).
The product “FC Modbus TCP; G4” (750-362) shall only be installed and
operated according to the instructions in this manual and the system description
for the WAGO-I/O-SYSTEM 750.
Consider power layout of the WAGO-I/O-SYSTEM 750!
In addition to these operating instructions, you will also need the system
description for the WAGO-I/O-SYSTEM 750, which can be downloaded at
www.wago.com. There, you can obtain important information including
information on electrical isolation, system power and supply specifications.
1.2 Copyright
This Manual, including all figures and illustrations, is copyright-protected. Any
further use of this Manual by third parties that violate pertinent copyright
provisions is prohibited. Reproduction, translation, electronic and phototechnical
filing/archiving (e.g., photocopying) as well as any amendments require the
written consent of WAGO Kontakttechnik GmbH & Co. KG, Minden, Germany.
Non-observance will involve the right to assert damage claims.

10 Notes about this Documentation WAGO-I/O-SYSTEM 750
750-362 FC Modbus TCP; G4
Manual
Version 1.0.2
1.3 Property rights
Third-party trademarks are used in this documentation. This section contains the
trademarks used. The “®” and “TM” symbols are omitted hereinafter.
• Adobe®and Acrobat®are registered trademarks of Adobe Systems Inc.
• AS-Interface®is a registered trademark of AS-International Association.
• BACnet®is a registered trademark of American Society of Heating,
Refrigerating and Air Conditioning Engineers, Inc. (ASHRAE).
• Bluetooth®is a registered trademark of the Bluetooth SIG, Inc.
• CiA®and CANopen®are registered trademarks of CAN in AUTOMATION –
International Users and Manufacturers Group e. V.
• DALI is a registered trademark of Digital Illumination Interface Alliance
(DiiA).
• EtherCAT®is a registered trademark and patented technology of Beckhoff
Automation GmbH.
• EtherNet/IP™ is a registered trademark of Open DeviceNet Vendor
Association, Inc (ODVA).
• EnOcean®is a registered trademark of EnOcean GmbH.
• IO-Link is a registered trademark of PROFIBUS Nutzerorganisation e.V.
• KNX®is a registered trademark of KNX Association cvba.
• Linux®is a registered trademark of Linus Torvalds.
• LON®is a registered trademark of Echelon Corporation.
• Modbus®is a registered trademark of Schneider Electric, licensed to the
Modbus Organization, Inc.
• PROFIBUS®is a registered trademark of Siemens AG.
• PROFINET®is a registered trademark of Siemens AG.
• Subversion®is a registered trademark of Apache Software Foundation.
• Windows®is a registered trademark of Microsoft Corporation.