WAGO 750-872/020-000 User manual

Modular I/O-System
Programmable Fieldbus
Controller for Telecontrol
Applications
750-872/020-000
Manual
Technical description,
installation and
configuration
Version 1.0.0

ii • General
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
Copyright ©2007 by 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: http://www.wago.com
Technical Support
Phone: [phone] – 5 55
Fax: [phone] – 85 55
E-Mail: [email protected]
Every conceivable measure has been taken to ensure the correctness and
completeness of this documentation. However, as errors can never be fully
excluded we would appreciate any information or ideas at any time.
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 trademark or patent protected.

Table of Contents • iii
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
TABLE OF CONTENTS
1Important Notes ..........................................................................................1
1.1 Legal Principles........................................................................................1
1.1.1 Copyright.............................................................................................1
1.1.2 Personnel Qualification .......................................................................1
1.1.3 Conforming Use of Series 750 ............................................................2
1.1.4 Technical Condition of the Devices ....................................................2
1.2 Standards and Regulations for Operating the 750 Series.........................2
1.3 Symbols....................................................................................................3
1.4 Safety Information....................................................................................4
1.5 Font Conventions .....................................................................................5
1.6 Number Notation......................................................................................5
1.7 Scope........................................................................................................6
1.8 Important Comments for Starting up........................................................6
1.9 Abbreviation.............................................................................................6
2The WAGO-I/O-SYSTEM 750..................................................................7
2.1 System Description...................................................................................7
2.2 Technical Data..........................................................................................8
2.3 Manufacturing Number..........................................................................14
2.4 Component Update.................................................................................15
2.5 Storage, Assembly and Transport ..........................................................15
2.6 Mechanical Setup ...................................................................................16
2.6.1 Installation Position...........................................................................16
2.6.2 Total Expansion.................................................................................16
2.6.3 Assembly onto Carrier Rail...............................................................17
2.6.3.1 Carrier Rail Properties ..................................................................17
2.6.3.2 WAGO DIN Rail ..........................................................................18
2.6.4 Spacing ..............................................................................................18
2.6.5 Plugging and Removal of the Components.......................................19
2.6.6 Assembly Sequence...........................................................................20
2.6.7 Internal Bus/Data Contacts................................................................21
2.6.8 Power Contacts..................................................................................22
2.6.9 Wire Connection................................................................................23
2.7 Power Supply .........................................................................................24
2.7.1 Isolation.............................................................................................24
2.7.2 System Supply...................................................................................25
2.7.2.1 Connection....................................................................................25
2.7.2.2 Alignment .....................................................................................26
2.7.3 Field Supply.......................................................................................28
2.7.3.1 Connection....................................................................................28
2.7.3.2 Fusing............................................................................................29
2.7.4 Supplementary Power Supply Regulations .......................................32
2.7.5 Supply Example.................................................................................33
2.7.6 Power Supply Unit.............................................................................34
2.8 Grounding...............................................................................................35
2.8.1 Grounding the DIN Rail ....................................................................35
2.8.1.1 Framework Assembly...................................................................35

iv • Table of Contents
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
2.8.1.2 Insulated Assembly.......................................................................35
2.8.2 Grounding Function...........................................................................36
2.8.3 Grounding Protection ........................................................................37
2.9 Shielding (Screening).............................................................................38
2.9.1 General...............................................................................................38
2.9.2 Bus Conductors..................................................................................38
2.9.3 Signal Conductors..............................................................................38
2.9.4 WAGO Shield (Screen) Connecting System.....................................39
2.10 Assembly Guidelines/Standards.............................................................39
3Fieldbus Controller.....................................................................................7
3.1 Fieldbus Controller 750-872/020-000....................................................40
3.1.1 Description.........................................................................................40
3.1.2 Compatibility.....................................................................................41
3.1.3 Hardware............................................................................................42
3.1.3.1 View..............................................................................................42
3.1.3.2 Device Supply...............................................................................43
3.1.3.3 Fieldbus Connection .....................................................................44
3.1.3.4 Display Elements ..........................................................................44
3.1.3.5 Configuration and Programming Interface...................................45
3.1.3.6 Operating Mode Switch................................................................46
3.1.3.7 Hardware Address (MAC-ID) ......................................................47
3.1.4 Operating System...............................................................................48
3.1.4.1 Start-up..........................................................................................48
3.1.4.2 PLC Cycle.....................................................................................48
3.1.5 Process Image....................................................................................50
3.1.5.1 General Structure ..........................................................................50
3.1.5.2 Example of a Process Input Image................................................52
3.1.5.3 Example of a Process Output Image.............................................53
3.1.5.4 Process Data Architecture.............................................................54
3.1.6 Data Exchange...................................................................................55
3.1.6.1 Memory Areas ..............................................................................56
3.1.6.2 Addressing ....................................................................................58
3.1.6.2.1 Addressing the I/O Modules.........................................................58
3.1.6.2.2 Address Range ..............................................................................58
3.1.6.2.3 Absolute Addresses.......................................................................60
3.1.6.3 Data Exchange between MODBUS/TCP Master and I/O Modules61
3.1.6.4 Data Exchange between EtherNet/IP Master and I/O Modules ...63
3.1.6.5 Data Exchange between PLC Functionality (CPU) and I/O
Modules.........................................................................................64
3.1.6.6 Data Exchange between Master and PLC Functionality (CPU)...64
3.1.6.6.1 Example MODBUS/TCP Master and PLC functionality (CPU)..65
3.1.6.6.1.1 Example of Use:.......................................................................66
3.1.7 Starting up a Fieldbus Node ..............................................................67
3.1.7.1 Variation 1: Start up with the WAGO Ethernet Settings..............67
3.1.7.1.1 Connecting PC and Fieldbus Node...............................................67
3.1.7.1.2 Allocating the IP Address to the Fieldbus Node...........................68
3.1.7.1.3 Testing the Function of the Fieldbus Node...................................68
3.1.7.2 Variation 2:Starting up with the WAGO BootP Server................69
3.1.7.2.1 Note the MAC-ID and establish the Fieldbus Node.....................69

Table of Contents • v
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
3.1.7.2.2 Connecting PC and Fieldbus Node...............................................69
3.1.7.2.3 Determining IP Addresses ............................................................70
3.1.7.2.4 Allocating the IP Address to the Fieldbus Node...........................70
3.1.7.2.5 Testing the Function of the Fieldbus Node...................................73
3.1.7.2.6 Deactivating the BootP Protocol...................................................74
3.1.7.3 Transmission Mode Configuration...............................................76
3.1.8 Programming the PFC with WAGO-I/O-PRO CAA.........................77
3.1.8.1 WAGO-I/O-PRO CAA library elements for ETHERNET...........81
3.1.8.2 Restrictions in the Function Range...............................................82
3.1.8.3 Some Basic Facts about IEC Tasks ..............................................84
3.1.8.3.1 Flowchart of an IEC Task.............................................................84
3.1.8.3.2 Overview of the Most Important Task Priorities (descending
priority) ....................................................................................85
3.1.8.3.3 System Events...............................................................................86
3.1.8.4 IEC 61131-3-Program transfer .....................................................87
3.1.8.4.1 Transmission via the Serial Interface............................................88
3.1.8.4.2 Transmission by the Fieldbus .......................................................89
3.1.9 Information on the Web-Based Management System.......................90
3.1.10 Configuration of SNMP.....................................................................98
3.1.10.1 Description of MIB II ...................................................................98
3.1.10.1.1 System Group...........................................................................99
3.1.10.1.2 Interface Group ........................................................................99
3.1.10.1.3 Address Translation Group....................................................100
3.1.10.1.4 IP Group.................................................................................101
3.1.10.1.5 IpRoute Table.........................................................................102
3.1.10.1.6 IpNetToMediaTable...............................................................102
3.1.10.1.7 ICMP Group...........................................................................102
3.1.10.1.8 TCP Group .............................................................................104
3.1.10.1.9 UDP Group.............................................................................104
3.1.10.1.10 SNMP Group..........................................................................105
3.1.10.1.11 EGP-Group.............................................................................106
3.1.10.2 Traps ...........................................................................................106
3.1.11 LED Display....................................................................................107
3.1.11.1 Fieldbus status.............................................................................108
3.1.11.2 Node Status – Blink code from the 'I/O' LED ............................109
3.1.11.3 ‘USR‘-LED.................................................................................116
3.1.11.4 Supply voltage status ..................................................................117
3.1.12 Fault behavior..................................................................................117
3.1.12.1 Fieldbus failure ...........................................................................117
3.1.12.2 Internal bus fault.........................................................................118
3.1.13 Technical Data.................................................................................119
4Fieldbus Communication .......................................................................121
4.1 ETHERNET .........................................................................................121
4.1.1 General.............................................................................................121
4.1.2 Network Architecture – Principles and Regulations .......................122
4.1.2.1 Transmission Media....................................................................123
4.1.2.2 Network Topologies....................................................................125
4.1.2.3 Coupler Modules.........................................................................128
4.1.2.4 Transmission Mode.....................................................................128

vi • Table of Contents
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
4.1.2.4.1 Static Configuration of the Transmission Mode.........................129
4.1.2.4.2 Dynamic Configuration of the Transmission Mode ...................129
4.1.2.4.3 Errors Occurring when Configuring the Transmission Mode ....129
4.1.2.5 Important Terms..........................................................................130
4.1.3 Network Communication.................................................................132
4.1.3.1 Protocol layer model...................................................................132
4.1.3.2 Communication Protocols...........................................................134
4.1.3.2.1 ETHERNET................................................................................135
4.1.3.3 Channel access method...............................................................135
4.1.3.3.1 IP-Protocol..................................................................................136
4.1.3.3.1.1 RAW IP..................................................................................140
4.1.3.3.1.2 IP Multicast............................................................................140
4.1.3.3.2 TCP Protocol...............................................................................140
4.1.3.3.3 UDP.............................................................................................141
4.1.3.3.4 ARP.............................................................................................141
4.1.3.4 Administration and Diagnosis Protocols ....................................142
4.1.3.4.1 BootP (Bootstrap Protocol).........................................................142
4.1.3.4.2 HTTP (HyperText Transfer Protocol) ........................................143
4.1.3.4.3 DHCP (Dynamic Host Configuration Protocol).........................144
4.1.3.4.4 DNS (Domain Name Systems) ...................................................145
4.1.3.4.5 SNTP-Client (Simple Network Time Protocol)..........................145
4.1.3.4.6 FTP-Server (File Transfer Protocol)...........................................145
4.1.3.4.7 SMTP (Simple Mail Transfer Protocol) .....................................147
4.1.3.5 Application Protocols..................................................................147
4.2 MODBUS Functions ............................................................................148
4.2.1 General.............................................................................................148
4.2.2 Use of the MODBUS Functions......................................................150
4.2.3 Description of the MODBUS Functions..........................................151
4.2.3.1 Function Code FC1 (Read Coils)................................................152
4.2.3.2 Function Code FC2 (Read Input Discretes)................................153
4.2.3.3 Function Code FC3 (Read multiple registers)............................154
4.2.3.4 Function code FC4 (Read input registers)..................................155
4.2.3.5 Function Code FC5 (Write Coil) ...............................................156
4.2.3.6 Function Code FC6 (Write single register)................................157
4.2.3.7 Function Code FC11 (Get comm event counter)........................158
4.2.3.8 Function Code FC15 (Force Multiple Coils).............................159
4.2.3.9 Function Code FC16 (Write multiple registers) ........................160
4.2.3.10 Function Code FC22 (Mask Write Register).............................161
4.2.3.11 Function Code FC23 (Read/Write multiple registers)................162
4.2.4 MODBUS Register Mapping ..........................................................163
4.2.5 Internal Variables ............................................................................165
4.2.5.1 Description of the internal variables...........................................166
4.2.5.1.1 Watchdog (Fieldbus failure).......................................................166
4.2.5.1.2 Watchdog Register:.....................................................................167
4.2.5.2 Diagnostic Functions ..................................................................171
4.2.5.3 Configuration Functions .............................................................171
4.2.5.4 Firmware Information.................................................................175
4.2.5.5 Constant Registers .....................................................................176
4.3 EtherNet/IP (Ethernet/Industrial Protocol)...........................................178

Table of Contents • vii
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
4.3.1 General.............................................................................................178
4.3.2 Characteristics of the EtherNet/IP Protocol Software.....................179
4.3.3 Object model....................................................................................180
4.3.3.1 General........................................................................................180
4.3.3.2 Classes.........................................................................................181
4.3.3.2.1 CIP Common Classes .................................................................181
4.3.3.2.2 WAGO specific Classes..............................................................181
4.3.3.2.3 Explanations of the Object Description......................................182
4.3.3.2.4 Identity (01hex)............................................................................183
4.3.3.2.5 Message Router (02hex) ..............................................................184
4.3.3.2.6 Assembly (04hex) ........................................................................185
4.3.3.2.6.1 Static Assembly Instances......................................................185
4.3.3.2.7 Port Class (F4hex)........................................................................188
4.3.3.2.8 TCP/IP Interface (F5hex).............................................................189
4.3.3.2.9 Ethernet Link (F6hex)..................................................................190
4.3.3.2.10 Controller Configuration (64hex)............................................190
4.3.3.2.11 Discrete Input Point (65hex) ...................................................192
4.3.3.2.12 Discrete Output Point (66hex).................................................193
4.3.3.2.13 Analog Input Point (67hex).....................................................193
4.3.3.2.14 Analog Output Point (68hex) ..................................................194
4.3.3.2.15 Discrete Input Point Extended 1..3 (69hex, 6D hex, 71hex).......194
4.3.3.2.16 Discrete Output Point Extended 1..3 (6Ahex, 6E hex, 72hex)....194
4.3.3.2.17 Analog Input Point Extended 1..3 (6Bhex, 6Fhex, 73hex).........194
4.3.3.2.18 Analog Output Point Extended 1..3 (6Chex, 70 hex, 74hex)......195
4.3.3.2.19 Module configuration (80hex).................................................195
4.3.3.2.20 Module configuration Extended (81hex) ................................195
4.3.3.2.21 Input fieldbus variable USINT (A0hex)..................................195
4.3.3.2.22 Input fieldbus variable USINT Extended 1 (A1hex)...............196
4.3.3.2.23 Input fieldbus variable USINT Extended 2 (A2hex)...............196
4.3.3.2.24 Output fieldbus variable USINT (A3hex)...............................196
4.3.3.2.25 Output fieldbus variable USINT Extended 1 (A4hex)............197
4.3.3.2.26 Output fieldbus variable USINT Extended 2 (A5hex)............197
4.3.3.2.27 Input fieldbus variable UINT (A6hex)....................................198
4.3.3.2.28 Input fieldbus variable USINT Extended 1 (A7hex)...............198
4.3.3.2.29 Output fieldbus variable UINT (A8hex) .................................198
4.3.3.2.30 Output fieldbus variable UINT Extended 1 (A9hex)..............199
4.3.3.2.31 Input fieldbus variable UDINT (AAhex) ................................199
4.3.3.2.32 Input fieldbus variable UDINT Offset (ABhex) .....................199
4.3.3.2.33 Output fieldbus variable UDINT (AChex)..............................200
4.3.3.2.34 Output fieldbus variable UDINT Offset (ADhex)...................200
5I/O Modules.............................................................................................201
5.1 Overview..............................................................................................201
5.1.1 Digital Input Modules......................................................................201
5.1.2 Digital Output Modules...................................................................203
5.1.3 Analog Input Modules.....................................................................204
5.1.4 Analog Output Modules ..................................................................206
5.1.5 Special Modules ..............................................................................207
5.1.6 System Modules ..............................................................................209
5.2 Process Data Architecture for MODBUS/TCP....................................210

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WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
5.2.1 Digital Input Modules......................................................................210
5.2.2 Digital Output Modules...................................................................212
5.2.3 Analog Input Modules.....................................................................216
5.2.4 Analog Output Modules ..................................................................217
5.2.5 Specialty Modules ...........................................................................218
5.2.6 System Modules...............................................................................230
5.3 Process Data Architecture for EtherNet/IP ..........................................231
5.3.1 Digital Input Modules......................................................................231
5.3.2 Digital Output Modules...................................................................233
5.3.3 Analog Input Modules.....................................................................237
5.3.4 Analog Output Modules ..................................................................239
5.3.5 Specialty Modules ...........................................................................240
5.3.6 System Modules...............................................................................250
6Application Examples.............................................................................252
6.1 Test of MODBUS protocol and fieldbus nodes ...................................252
6.2 Visualization and control using SCADA software...............................252
7Use in Hazardous Environments ...........................................................255
7.1 Foreword ..............................................................................................255
7.2 Protective Measures .............................................................................255
7.3 Classification Meeting CENELEC and IEC ........................................255
7.3.1 Divisions..........................................................................................255
7.3.2 Explosion Protection Group ............................................................257
7.3.3 Unit Categories................................................................................258
7.3.4 Temperature Classes........................................................................259
7.3.5 Types of Ignition Protection............................................................260
7.4 Classifications Meeting the NEC 500..................................................261
7.4.1 Divisions..........................................................................................261
7.4.2 Explosion Protection Groups...........................................................261
7.4.3 Temperature Classes........................................................................262
7.5 Identification ........................................................................................263
7.5.1 For Europe .......................................................................................263
7.5.2 For America.....................................................................................264
7.6 Installation Regulations........................................................................265
8Glossary....................................................................................................267
9Literature List .........................................................................................279
10Index.........................................................................................................280

Important Notes • 1
Legal Principles
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
1 Important Notes
This section provides only a summary of the most important safety
requirements and notes which will be mentioned in the individual sections. To
protect your health and prevent damage to the devices, it is essential to read
and carefully follow the safety guidelines.
1.1 Legal Principles
1.1.1 Copyright
This manual including all figures and illustrations contained therein is subject
to copyright. Any use of this manual which infringes the copyright provisions
stipulated herein, is not permitted. Reproduction, translation and electronic
and phototechnical archiving and amendments require the written consent of
WAGO Kontakttechnik GmbH & Co. KG, Minden. Non-observance will
entail the right of claims for damages.
WAGO Kontakttechnik GmbH & Co. KG reserves the right of changes
serving 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 without any notes concerning patent
rights. Thus, the existence of such rights must not be excluded.
1.1.2 Personnel Qualification
The use of the product described in this manual requires special qualifications,
as shown in the following table:
Activity Electrical specialist Instructed
personnel*)
Specialists**) having
qualifications in PLC
programming
Assembly X X
Commissioning X X
Programming X
Maintenance X X
Troubleshooting X
Disassembly X X
*) Instructed persons have been trained by qualified personnel or electrical specialists.
**) A specialist is someone who, through technical training, knowledge and experience,
demonstrates the ability to meet the relevant specifications and identify potential dangers in
the mentioned field of activity.
All personnel must be familiar with the applicable standards.
WAGO Kontakttechnik GmbH & Co. KG declines any liability resulting from
improper action and damage to WAGO products and third party products due to
non-observance of the information contained in this manual.

2 • Important Notes
Standards and Regulations for Operating the 750 Series
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
1.1.3 Conforming Use of Series 750
The couplers and controllers of the modular I/O System 750 receive digital
and analog signals from the I/O modules and sensors and transmit them to the
actuators or higher level control systems. Using the WAGO controllers, the
signals can also be (pre-)processed.
The device is designed for IP20 protection class. It is protected against finger
touch and solid impurities up to 12.5mm diameter, but not against water
penetration. Unless otherwise specified, the device must not be operated in
wet and dusty environments.
1.1.4 Technical Condition of the Devices
For each individual application, the components are supplied from the factory
with a dedicated hardware and software configuration. Changes in hardware,
software and firmware are only admitted within the framework of the
possibilities documented in the manuals. All changes 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 modified and/or new hardware
or software configuration directly to WAGO Kontakttechnik GmbH & Co.
KG.
1.2 Standards and Regulations for Operating the 750 Series
Please observe the standards and regulations that are relevant to your
installation:
• The data and power lines must be connected and installed in compliance
with the standards to avoid failures on your installation and eliminate any
danger to personnel.
• For installation, startup, maintenance and repair, please observe the
accident prevention regulations of your machine (e.g. BGV A 3,
"Electrical Installations and Equipment").
• Emergency stop functions and equipment must not be made ineffective.
See relevant standards (e.g. DIN EN 418).
• Your installation must be equipped in accordance to the EMC guidelines
so that electromagnetic interferences can be eliminated.
• Operating 750 Series components in home applications without further
measures is only permitted if they meet the emission limits (emissions of
interference) according to EN 61000-6-3. You will find the relevant
information in the section on "WAGO-I/O-SYSTEM 750" Æ"System
Description" Æ"Technical Data".
• Please observe the safety measures against electrostatic discharge
according to DIN EN 61340-5-1/-3. When handling the modules, ensure
that the environment (persons, workplace and packing) is well grounded.

Important Notes • 3
Symbols
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
• The relevant valid and applicable standards and guidelines concerning the
installation of switch cabinets are to be observed.
1.3 Symbols
Danger
Always observe this information 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
efficient operation.
ESD (Electrostatic Discharge)
Warning of damage to the components through electrostatic discharge.
Observe the precautionary measure for handling components at risk of
electrostatic discharge.
Note
Make important notes that are to be complied with so that a trouble-free and
efficient device operation can be guaranteed.
Additional Information
References to additional literature, manuals, data sheets and internet pages.

4 • Important Notes
Safety Information
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
1.4 Safety Information
When connecting the device to your installation and during operation, the
following safety notes must be observed:
Danger
The WAGO-I/O-SYSTEM 750 and its components are an open system. It
must only be assembled in housings, cabinets or in electrical operation
rooms. Access is only permitted via a key or tool to authorized qualified
personnel.
Danger
All power sources to the device must always be switched off before carrying
out any installation, repair or maintenance work.
Warning
Replace defective or damaged device/module (e.g. in the event of deformed
contacts), as the functionality of field bus station in question can no longer be
ensured 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 (found in some hand creams). If it cannot be ruled out
that these materials appear in the component environment, then the
components must be installed in an enclosure that is resistant against the
above mentioned materials. Clean tools and materials are generally required
to operate the device/module.
Warning
Soiled contacts must be cleaned using oil-free compressed air or with ethyl
alcohol and leather cloths.
Warning
Do not use contact sprays, which could possibly impair the functioning of the
contact area.
Warning
Avoid reverse polarity of data and power lines, as this may damage the
devices.
ESD (Electrostatic Discharge)
The devices are equipped with electronic components that may be destroyed
by electrostatic discharge when touched.

Important Notes • 5
Font Conventions
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
1.5 Font Conventions
italic Names of paths and files are marked in italic.
e.g.: C:\Programs\WAGO-IO-CHECK
italic Menu items are marked in bold italic.
e.g.: Save
\ A backslash between two names characterizes the
selection of a menu point from a menu.
e.g.: File \ New
END Press 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
Number code Example Note
Decimal 100 Normal notation
Hexadecimal 0x64 C notation
Binary '100'
'0110.0100' Within inverted commas, Nibble separated with dots

6 • Important Notes
Scope
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
1.7 Scope
Dieses Handbuch beschreibt alle Komponenten für das feldbusunabhängige
WAGO-I/O-SYSTEM 750 mit dem Programmierbaren Fernwirkcontroller
RJ45.
This manual describes all components of the field bus independent
WAGO-I/O-SYSTEM 750 with the programmable telecontrol controller RJ-
45.
Item.-No. Description
750-872/020-000 Telecontrol controller RJ-45
1.8 Important Comments for Starting up
Attention
For the start-up of the controller 750-872/020-000 important notes are to be
considered, because it strongly differentiates in some points of starting up the
WAGO ETHERNET controller 750-842.
Read for this the chapter: „ Starting up an ETHERNET TCP/IP fieldbus
node“.
1.9 Abbreviation
AI Analog Input
AO Analog Output
DI Digital Input
DO Digital Output
I/O Input/Output
ID Identifier
PFC Programmable Fieldbus Controller

System Description • 7
Technical Condition of the Devices
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
2 The WAGO-I/O-SYSTEM 750
2.1 System Description
The WAGO-I/O-SYSTEM 750 is a modular, field bus independent I/O
system. It is comprised of a field bus coupler/controller (1) and connected
field bus modules (2) for any type of signal. Together, these make up the field
bus node. The end module (3) completes the node.
Fig. 2-1: Field bus node g0xxx00x
Couplers/controllers for field bus systems such as PROFIBUS, INTERBUS,
ETHERNET TCP/IP, CAN (CANopen, DeviceNet, CAL), MODBUS, LON
and others are available.
The coupler/controller contains the field bus interface, electronics and a power
supply terminal. The field bus interface forms the physical interface to the
relevant field bus. The electronics process the data of the bus modules and
make it available for the field bus communication. The 24 V system supply
and the 24 V field supply are fed in via the integrated power supply terminal.
The field bus coupler communicates via the relevant field bus. The
programmable field bus controller (PFC) enables the implementation of
additional PLC functions. Programming is done with the WAGO-I/O-PRO in
accordance with IEC 61131-3.
Bus modules for diverse digital and analog I/O functions as well as special
functions can be connected to the coupler/controller. The communication
between the coupler/controller and the bus modules is carried out via an
internal bus.
The WAGO-I/O-SYSTEM 750 has a clear port level with LEDs for status
indication, insertable mini WSB markers and pullout group marker carriers.
The 3-wire technology supplemented by a ground wire connection allows for
direct sensor/actuator wiring.

8 • Technical Data
Technical Condition of the Devices
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
2.2 Technical Data
Mechanic
Material Polycarbonate, Polyamide 6.6
Dimensions W x H* x L
* from upper edge of DIN 35 rail
- Coupler/Controller (Standard)
- Coupler/Controller (ECO)
- Coupler/Controller (FireWire)
- I/O module, single
- I/O module, double
- I/O module, fourfold
- 51 mm x 65 mm x 100 mm
- 50 mm x 65 mm x 100 mm
- 62 mm x 65 mm x 100 mm
- 12 mm x 64 mm x 100 mm
- 24 mm x 64 mm x 100 mm
- 48 mm x 64 mm x 100 mm
Installation on DIN 35 with interlock
Modular by double featherkey-dovetail
Mounting position any position
Marking standard marking label type
group marking label 8 x 47 mm
Connection
Connection type CAGE CLAMP®
Wire range 0.08 mm² ... 2.5 mm², 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
Current via power contacts max 10 A
Voltage drop at I max < 1 V/64 modules
Data contacts slide contact, hard gold plated
1.5 µm, self-cleaning
Climatic environmental conditions
Operating temperature 0 °C ... 55 °C,
-20 °C … +60 °C for components with extended
temperature range (750-xxx/025-xxx)
Storage temperature -20 °C ... +85 °C
Relative humidity 5 % … 95 % without condensation
Resistance to harmful substances acc. to IEC 60068-2-42 and IEC 60068-2-43
Maximum pollutant concentration at
relative humidity < 75% SO2≤25 ppm
H2S ≤10 ppm
Special conditions Ensure that additional measures for components are
taken, which are used in an environment involving:
– dust, caustic vapors or gases
– ionization radiation

Technical Data • 9
Technical Condition of the Devices
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
Safe electrical isolation
Air and creepage distance acc. to IEC 60664-1
Degree of pollution
acc. To IEC 61131-2 2
Degree of protection
Degree of protection IP 20
Electromagnetic compatibility
Immunity to interference for industrial areas acc. to EN 61000-6-2 (2001)
Test specification Test values Strength
class Evaluation criteria
EN 61000-4-2 ESD 4 kV/8 kV (contact/air) 2/3 B
EN 61000-4-3
electromagnetic fields 10 V/m 80 MHz ... 1 GHz 3 A
EN 61000-4-4 burst 1 kV/2 kV (data/supply) 2/3 B
-/- (line/line)Data:
1 kV (line/earth) 2
B
0.5 kV (line/line) 1DC
supply: 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 EN 61000-6-4 (2001)
Test specification Limit values/[QP]*) Frequency range Distance
79 dB (µV) 150 kHz ... 500 kHzEN 55011 (AC supply,
conducted) 73 dB (µV) 500 kHz ... 30 MHz
40 dB (µV/m) 30 MHz ... 230 MHz 10 mEN 55011 (radiated)
47 dB (µV/m) 230 MHz ... 1 GHz 10 m
Emission of interference for residential areas acc. to EN 61000-6-3 (2001)
Test specification Limit values/[QP]*) Frequency range Distance
66 ... 56 dB (µV) 150 kHz ... 500 kHz
56 dB (µV) 500 kHz ... 5 MHz
EN 55022 (AC supply,
conducted)
60 dB (µV) 5 MHz ... 30 MHz
40 ... 30 dB (µA) 150 kHz ... 500 kHzEN 55022 (DC supply/data,
conducted) 30 dB (µA) 500 kHz ... 30 MHz
30 dB (µV/m) 30 MHz ... 230 MHz 10 mEN 55022 (radiated)
37 dB (µV/m) 230 MHz ... 1 GHz 10 m

10 • Technical Data
Technical Condition of the Devices
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
Mechanical strength acc. to IEC 61131-2
Test specification Frequency range Limit value
5 Hz ≤f < 9 Hz 1.75 mm amplitude (permanent)
3.5 mm amplitude (short term)
9 Hz ≤f < 150 Hz 0.5 g (permanent)
1 g (short term)
IEC 60068-2-6 vibration
Note on vibration test:
a) Frequency change: max. 1 octave/minute
b) Vibration direction: 3 axes
15 gIEC 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 and 3x in negative
direction for each of the three mutually perpendicular axes
of the test specimen
IEC 60068-2-32 free fall 1 m
(module in original packing)
*) QP: Quasi Peak
Note:
If the technical data of components differ from the values described here, the
technical data shown in the manuals of the respective components shall be
valid.

Technical Data • 11
Technical Condition of the Devices
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
For Products of the WAGO-I/O-SYSTEM 750 with ship specific approvals
supplementary guidelines are valid:
Electromagnetic compatibility
Immunity to interference acc. to Germanischer Lloyd (2003)
Test specification Test values Strength
class Evaluation criteria
IEC 61000-4-2 ESD 6 kV/8 kV (contact/air) 3/3 B
IEC 61000-4-3
electromagnetic fields 10 V/m 80 MHz ... 2 GHz 3 A
IEC 61000-4-4 burst 1 kV/2 kV (data/supply) 2/3 A
0.5 kV (line/line) 1IEC 61000-4-5 surge AC/DC
Supply: 1 kV (line/earth) 2
A
IEC 61000-4-6
RF disturbances 10 V/m 80 % AM (0.15 ... 80 MHz) 3 A
Type test AF 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 dB (µV) 10 kHz ... 150 kHz
60 ... 50 dB (µV) 150 kHz ... 350 kHz
Type test
(EMC1, conducted)
allows for ship bridge control
applications 50 dB (µV) 350 kHz ... 30 MHz
80 ... 52 dB (µV/m) 150 kHz ... 300 kHz 3 m
52 ... 34 dB (µV/m) 300 kHz ... 30 MHz 3 m
Type test
(EMC1, radiated)
allows for ship bridge control
applications 54 dB (µV/m) 30 MHz ... 2 GHz 3 m
except: 24 dB (µV/m) 156 MHz ... 165 MHz 3 m
Mechanical strength acc. to Germanischer Lloyd (2003)
Test specification Frequency range Limit value
2 Hz ≤f < 25 Hz ± 1.6 mm amplitude (permanent)
25 Hz ≤f < 100 Hz 4 g (permanent)
IEC 60068-2-6 vibration
(category A – D)
Note on vibration test:
a) Frequency change: max. 1 octave/minute
b) Vibration direction: 3 axes

12 • Technical Data
Technical Condition of the Devices
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
Range of
application Required specification emission of interference Required specification immunity to interference
Industrial areas EN 61000-6-4 (2001) EN 61000-6-2 (2001)
Residential areas EN 61000-6-3 (2001)*) EN 61000-6-1 (2001)
*) The system meets the requirements on emission of interference in residential areas with
the field bus coupler/controller for:
ETHERNET
LonWorks
CANopen
DeviceNet
MODBUS
750-342/-841/-842/-860
750-319/-819
750-337/-837
750-306/-806
750-312/-314/ -315/ -316
750-812/-814/ -815/ -816
With a special permit, the system can also be implemented with other field bus
couplers/controllers in 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 Telecommunications and its branch
offices issues the permit.
It is possible to use other field bus couplers/controllers under certain boundary
conditions. Please contact WAGO Kontakttechnik GmbH & Co. KG.
Maximum power dissipation of the components
Bus modules 0.8 W / bus terminal (total power dissipation,
system/field)
Field bus coupler/controller 2.0 W / coupler/controller
Warning
The power dissipation of all installed components must not exceed the
maximum conductible power of the housing (cabinet).
When dimensioning the housing, care is to be taken that even under high
external temperatures, the temperature inside the housing does not exceed the
permissible ambient temperature of 55 °C.