WAGO I/O-SYSTEM 750 User manual

Manual
WAGO-I/O-SYSTEM 750
750-354/000-001
EtherCAT
®Fieldbus Coupler, ID Switch
100 Mbit/s; digital and analog signals
Version 1.2.1

2 WAGO-I/O-SYSTEM 750
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
© 2019 WAGO Kontakttechnik GmbH & Co. KG
All rights reserved.
The following applies for EtherCATand TwinCAT®: EtherCATand TwinCAT®
are registered trademarks of and licensed by Beckhoff Automation GmbH,
Germany.
The following applies for CANopen: CANopenis a registered community
trademark of CAN in Automation e. V.
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
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
Table of Contents
1Notes about this Documentation ..............................................................8
1.1 Validity of this Documentation..................................................................8
1.2 Copyright..................................................................................................8
1.3 Symbols ...................................................................................................9
1.4 Number Notation....................................................................................11
1.5 Font Conventions...................................................................................11
2Important Notes ........................................................................................12
2.1 Legal Bases ...........................................................................................12
2.1.1 Subject to Changes...........................................................................12
2.1.2 Personnel Qualifications....................................................................12
2.1.3 Use of the 750 Series in Compliance with Underlying Provisions.....12
2.1.4 Technical Condition of Specified Devices .........................................13
2.1.4.1 Disposal........................................................................................13
2.1.4.1.1 Electrical and Electronic Equipment ........................................13
2.1.4.1.2 Packaging ................................................................................14
2.2 Safety Advice (Precautions)...................................................................15
2.3 Special Use Conditions for ETHERNET Devices ..................................17
3System Description ..................................................................................18
3.1 Manufacturing Number ..........................................................................19
3.2 Update ...................................................................................................20
3.3 Storage, Assembly and Transport .........................................................21
3.4 Assembly Guidelines/Standards............................................................22
3.5 Power Supply
.........................................................................................23
3.5.1 Overcurrent Protection ......................................................................23
3.5.2 Isolation.............................................................................................23
3.5.3 System Supply ..................................................................................24
3.5.3.1 Connection ...................................................................................24
3.5.3.2 Dimensioning................................................................................25
3.5.4 Field Supply ......................................................................................28
3.5.4.1 Connection ...................................................................................28
3.5.4.2 Fusing via Power Supply Module .................................................30
3.5.4.3 Fusing External.............................................................................32
3.5.5 Supply Example ................................................................................34
3.5.6 Power Supply Unit.............................................................................36
3.6 Grounding ..............................................................................................37
3.6.1 Grounding the DIN Rail .....................................................................37
3.6.1.1 Framework Assembly ...................................................................37
3.6.1.2 Insulated Assembly ......................................................................37
3.6.2 Grounding Function...........................................................................38
3.7 Shielding ................................................................................................39
3.7.1 General .............................................................................................39
3.7.2 Bus Cables........................................................................................39
3.7.3 Shielded Signal Lines........................................................................40
3.7.4 WAGO Shield Connecting System....................................................40

4 Table of Contents WAGO-I/O-SYSTEM 750
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
4Device Description ...................................................................................41
4.1 View .......................................................................................................42
4.2 Connectors.............................................................................................44
4.2.1 Device Supply ...................................................................................44
4.2.2 Fieldbus Connection..........................................................................44
4.3 Display Elements ...................................................................................46
4.4 Operating Elements ...............................................................................47
4.4.1 Service Interface ...............................................................................47
4.4.2 ID Selection Switch ...........................................................................48
4.5 Technical Data.......................................................................................49
4.5.1 Device Data.......................................................................................49
4.5.2 Safe Electrical Isolation.....................................................................49
4.5.3 Supply ...............................................................................................49
4.5.4 Communication .................................................................................50
4.5.5 Accessories.......................................................................................50
4.5.6 Connection Type ...............................................................................50
4.5.7 Climatic Environmental Conditions....................................................51
4.5.8 Mechanical Strength..........................................................................51
4.6 Approvals...............................................................................................52
4.7 Standards and Guidelines......................................................................53
5Mounting ...................................................................................................54
5.1 Installation Position................................................................................54
5.2 Overall Configuration .............................................................................54
5.3 Mounting onto Carrier Rail.....................................................................56
5.3.1 Carrier Rail Properties.......................................................................56
5.3.2 WAGO DIN Rails...............................................................................57
5.4 Spacing..................................................................................................57
5.5 Mounting Sequence...............................................................................58
5.6 Inserting and Removing Devices ...........................................................59
5.6.1 Inserting the Fieldbus Coupler/Controller..........................................60
5.6.2 Removing the Fieldbus Coupler/Controller .......................................60
5.6.3 Inserting the I/O Module....................................................................61
5.6.4 Removing the I/O Module..................................................................62
6Connect Devices.......................................................................................63
6.1 Data Contacts/Local Bus .......................................................................63
6.2 Power Contacts/Field Supply.................................................................64
6.3 Connecting a Conductor to the CAGE CLAMP®....................................65
7Function Description................................................................................66
7.1 Starting Up the Fieldbus Coupler...........................................................66
7.2 Start Behavior ........................................................................................67
7.3 Process Data Architecture .....................................................................68
7.3.1 General Mechanisms for EtherCATto Map Process Data..............69
7.3.1.1 Object 0x6000 ..............................................................................72
7.3.1.2 Object 0x7000 ..............................................................................73
7.3.1.3 Object 0xF100 ..............................................................................75
7.3.1.4 Object 0xF200 ..............................................................................75
7.3.1.5 RxPDO and TxPDO Objects ........................................................76
7.3.2 Alternative PDO Index Assignment...................................................77

WAGO-I/O-SYSTEM 750 Table of Contents 5
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
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7.3.2.1 Example According to the Modular Device Profile .......................78
7.3.2.2 Example According to Linear PDO Indexing ................................87
7.4 Object Dictionary....................................................................................96
7.4.1 Structure "Module Ident" ...................................................................96
7.4.2 Object 0x10F3 (Diagnostic History)...................................................97
7.4.3 Objects 0x1C32 and 0x1C33 ..........................................................102
7.4.4 Objects 0x2000 … 0x2009..............................................................103
7.4.5 Objects 0x2010 and 0x2011............................................................105
7.4.7 Object 0x2100 .................................................................................107
7.4.8 Object 0x2134 .................................................................................107
7.4.9 Objects 0x9000 ... 0x93F0 ..............................................................108
7.4.10 Objects 0xF030 and 0xF050 ...........................................................108
7.5 Data Exchange ....................................................................................109
7.5.1 Arrangement of the Process Data in the PAA/PAE.........................110
7.5.2 Determining the Process Data Arrangement Using the
EtherCATMaster...........................................................................111
7.5.3 Controlling the Process Images ......................................................113
7.5.3.1 Fieldbus Coupler Control Word ..................................................113
7.5.3.2 Fieldbus Coupler Status Word....................................................114
7.5.3.3 Behaviour of the Fieldbus Coupler During a Cycle Time
Overrun.......................................................................................114
7.6 Hot Connect.........................................................................................116
8Commissioning.......................................................................................118
8.1 Connecting Client PC and Fieldbus Nodes..........................................118
8.2 Load XML-File in the Master................................................................118
8.3 Testing the Function of the EtherCATFieldbus Node........................119
8.4 Testing I/O Modules using WAGO-I/O-CHECK ...................................120
9Diagnostics .............................................................................................121
9.1 Fieldbus Coupler Diagnostics ..............................................................121
9.1.1 LED Signaling .................................................................................121
9.1.2 Evaluating Fieldbus Status..............................................................121
9.1.3 Evaluating Node Status – I/O LED (Blink Code Table) ...................123
9.2 I/O Module Diagnostics........................................................................130
9.2.1 Diagnostic Control Word .................................................................130
9.2.2 Diagnostic Status Word...................................................................131
9.3 Behavior of the Fieldbus Coupler during Interruption of Operations....133
9.3.1 Loss of Power .................................................................................133
9.3.2 Loss of Fieldbus ..............................................................................133
9.3.3 Local Bus Error................................................................................133
9.4 Behavior during Other Operating Errors ..............................................135
9.4.1 Configuration Error in a Sync Manager...........................................135
9.4.2 Interruption of the Cyclical Process Data Exchange .......................138
9.4.3 Errors During CoE Accesses...........................................................139
10 Fieldbus Communication.......................................................................140
10.1 EtherCAT...........................................................................................140
10.1.1 General ...........................................................................................140
10.1.2 Network Structure ...........................................................................141
10.1.2.1 Transmission Medium ................................................................141

6 Table of Contents WAGO-I/O-SYSTEM 750
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
10.1.2.2 Network Topology.......................................................................141
10.1.2.3 Couplers .....................................................................................142
10.1.3 Network Communication .................................................................142
10.1.3.1 Communication Principle............................................................142
10.1.3.2 Addressing..................................................................................142
10.1.3.3 Configuration ..............................................................................143
10.1.3.4 EtherCATState Machine (ESM)...............................................144
10.1.3.5 Synchronization Using Distributed Clocks..................................147
10.1.3.6 Performance ...............................................................................148
10.1.3.7 Diagnostics .................................................................................148
10.1.4 EtherCATInterfaces......................................................................149
10.1.4.1 Slave Information Interface (SII).................................................149
10.1.4.2 CoE Interface (CAN Application Layer Over EtherCAT)...........149
11 I/O Modules .............................................................................................153
11.1 Overview..............................................................................................153
11.2 Process Data Architecture for EtherCAT...........................................154
11.2.1 Digital Input Modules.......................................................................155
11.2.1.1 1 Channel Digital Input Module with Diagnostics .......................155
11.2.1.22 Channel Digital Input Modules.................................................155
11.2.1.3 2 Channel Digital Input Module with Diagnostics .......................155
11.2.1.4 2 Channel Digital Input Module with Diagnostics and Output
Process Data ..............................................................................156
11.2.1.5 4 Channel Digital Input Modules.................................................157
11.2.1.6 8 Channel Digital Input Modules.................................................157
11.2.1.7 16 Channel Digital Input Modules...............................................157
11.2.2 Digital Output Modules....................................................................158
11.2.2.1 1 Channel Digital Output Module with Input Process Data.........158
11.2.2.2 2 Channel Digital Output Modules..............................................158
11.2.2.3 2 Channel Digital Input Modules with Diagnostics and Input
Process Data ..............................................................................159
11.2.2.4 4 Channel Digital Output Modules..............................................160
11.2.2.5 4 Channel Digital Output Modules with Diagnostics and Input
Process Data ..............................................................................160
11.2.2.6 8 Channel Digital Output Module................................................161
11.2.2.7 8 Channel Digital Output Modules with Diagnostics and Input
Process Data ..............................................................................161
11.2.2.8 16 Channel Digital Output Modules............................................162
11.2.2.9 8 Channel Digital Input/Output Modules.....................................163
11.2.3 Analog Input Modules .....................................................................163
11.2.3.1 1 Channel Analog Input Modules ...............................................163
11.2.3.2 2 Channel Analog Input Modules ...............................................164
11.2.3.3 2 Channel Analog Input Modules HART.....................................164
11.2.3.4 4 Channel Analog Input Modules ...............................................165
11.2.3.5 8 Channel Analog Input Modules ...............................................166
11.2.3.6 3-Phase Power Measurement Module .......................................167
11.2.4 Analog Output Modules...................................................................169
11.2.4.1 2 Channel Analog Output Modules.............................................169
11.2.4.2 4 Channel Analog Output Modules.............................................169
11.2.4.3 8 Channel Analog Output Modules.............................................170

WAGO-I/O-SYSTEM 750 Table of Contents 7
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
11.2.5 Specialty Modules ...........................................................................170
11.2.5.1 Counter Modules ........................................................................171
11.2.5.2 Pulse Width Modules..................................................................173
11.2.5.3 Serial Interface Modules with Alternative Data Format...............173
11.2.5.4 Serial Interface Modules with Standard Data Format.................174
11.2.5.5 Serial Interface Modules.............................................................174
11.2.5.6 Data Exchange Module ..............................................................175
11.2.5.7 SSI Transmitter Interface Modules .............................................175
11.2.5.8 Incremental Encoder Interface Modules.....................................176
11.2.5.9 DC-Drive Controller ....................................................................178
11.2.5.10 Stepper Controller ......................................................................179
11.2.5.11 RTC Module ...............................................................................180
11.2.5.12 DALI/DSI Master Module............................................................180
11.2.5.13 DALI Multi-Master Module ..........................................................180
11.2.5.14 EnOcean Radio Receiver ...........................................................183
11.2.5.15 MP Bus Master Module ..............................................................183
11.2.5.16 Bluetooth®RF-Transceiver .........................................................184
11.2.5.17 Vibration Velocity/Bearing Condition Monitoring VIB I/O............185
11.2.5.18 AS-interface Master Module .......................................................185
11.2.6 System Modules..............................................................................187
11.2.6.1 System Modules with Diagnostics ..............................................187
11.2.6.2 Filter Module...............................................................................187
11.2.6.3 Binary Space Module .................................................................188
12 Use in Hazardous Environments ..........................................................189
12.1 Marking Configuration Examples .........................................................190
12.1.1 Marking for Europe According to ATEX and IECEx ........................190
12.1.2 Marking for the United States of America (NEC) and Canada
(CEC) ..............................................................................................194
12.2 Installation Regulations........................................................................197
12.2.1 Special Notes Regarding Explosion Protection...............................197
12.2.2 Special Notes Regarding ANSI/ISA Ex ...........................................199
13 Appendix .................................................................................................200
13.1 EtherCAT®Object Dictionary ...............................................................200
13.2 AL Status Codes..................................................................................208
13.3 SDO Abort Codes ................................................................................209
13.4 EMCY Codes .......................................................................................210
List of Figures ..................................................................................................211
List of Tables....................................................................................................213

8 Notes about this Documentation WAGO-I/O-SYSTEM 750
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
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 “EtherCAT®Fieldbus Coupler, ID
Switch” (750-354/000-001).
The product “EtherCAT®Fieldbus Coupler, ID Switch” (750-354/000-001) 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.

WAGO-I/O-SYSTEM 750 Notes about this Documentation 9
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
1.3 Symbols
Personal Injury!
Indicates a high-risk, imminently hazardous situation which, if not avoided, will
result in death or serious injury.
Personal Injury Caused by Electric Current!
Indicates a high-risk, imminently hazardous situation which, if not avoided, will
result in death or serious injury.
Personal Injury!
Indicates a moderate-risk, potentially hazardous situation which, if not avoided,
could result in death or serious injury.
Personal Injury!
Indicates a low-risk, potentially hazardous situation which, if not avoided, may
result in minor or moderate injury.
Damage to Property!
Indicates a potentially hazardous situation which, if not avoided, may result in
damage to property.
Damage to Property Caused by Electrostatic Discharge (ESD)!
Indicates a potentially hazardous situation which, if not avoided, may result in
damage to property.
Important Note!
Indicates a potential malfunction which, if not avoided, however, will not result in
damage to property.

10 Notes about this Documentation WAGO-I/O-SYSTEM 750
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
Additional Information:
Refers to additional information which is not an integral part of this
documentation (e.g., the Internet).

WAGO-I/O-SYSTEM 750 Notes about this Documentation 11
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
1.4 Number Notation
Table 1: Number Notation
Number Code
Example
Note
Decimal
100
Normal notation
Hexadecimal
0x64
C notation
Binary
'100'
'0110.0100'
In quotation marks, nibble separated
with dots (.)
1.5 Font Conventions
Table 2: Font Conventions
Font Type
Indicates
italic
Names of paths and data files are marked in italic-type.
e.g.: C:\Program Files\WAGO Software
Menu
Menu items are marked in bold letters.
e.g.: Save
>
A greater-than sign between two names means the selection of a
menu item from a menu.
e.g.: File > New
Input
Designation of input or optional fields are marked in bold letters,
e.g.: Start of measurement range
“Value”
Input or selective values are marked in inverted commas.
e.g.: Enter the value “4 mA” under
Start of measurement range
.
[Button]
Pushbuttons in dialog boxes are marked with bold letters in square
brackets.
e.g.: [Input]
[Key]
Keys are marked with bold letters in square brackets.
e.g.: [F5]

12 Important Notes WAGO-I/O-SYSTEM 750
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
2 Important Notes
This section includes an overall summary of the most important safety
requirements and notes that are mentioned in each individual section. To protect
your health and prevent damage to devices as well, it is imperative to read and
carefully follow the safety guidelines.
2.1 Legal Bases
2.1.1 Subject to Changes
WAGO Kontakttechnik GmbH & Co. KG reserves the right to provide for any
alterations or modifications. WAGO Kontakttechnik GmbH & Co. KG owns all
rights arising from the granting of patents or from the legal protection of utility
patents. Third-party products are always mentioned without any reference to
patent rights. Thus, the existence of such rights cannot be excluded.
2.1.2 Personnel Qualifications
All sequences implemented on WAGO-I/O-SYSTEM 750 devices may only be
carried out by electrical specialists with sufficient knowledge in automation. The
specialists must be familiar with the current norms and guidelines for the devices
and automated environments.
All changes to the coupler or controller should always be carried out by qualified
personnel with sufficient skills in PLC programming.
2.1.3 Use of the 750 Series in Compliance with Underlying
Provisions
Fieldbus couplers, controllers and I/O modules found in the modular WAGO-I/O-
SYSTEM 750 receive digital and analog signals from sensors and transmit them
to actuators or higher-level control systems. Using controllers, the signals can
also be (pre-) processed.
The devices have been developed for use in an environment that meets the IP20
protection class criteria. Protection against finger injury and solid impurities up to
12.5 mm diameter is assured; protection against water damage is not ensured.
Unless otherwise specified, operation of the devices in wet and dusty
environments is prohibited.
Operating the WAGO-I/O-SYSTEM 750 devices 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 “Device Description” > “Standards and Guidelines” in the manual for
the used fieldbus coupler or controller.
Appropriate housing (per 2014/34/EU) is required when operating the
WAGO-I/O-SYSTEM 750 in hazardous environments. Please note that a

WAGO-I/O-SYSTEM 750 Important Notes 13
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
prototype test certificate must be obtained that confirms the correct installation of
the system in a housing or switch cabinet.
The implementation of safety functions such as EMERGENCY STOP or safety
door monitoring must only be performed by the F-I/O modules within the modular
WAGO-I/O-SYSTEM 750. Only these safe F-I/O modules ensure functional
safety in accordance with the latest international standards. WAGO's
interference-free output modules can be controlled by the safety function.
2.1.4 Technical Condition of Specified Devices
The devices to be supplied ex works are equipped with hardware and software
configurations, which meet the individual application requirements. These
modules contain no parts that can be serviced or repaired by the user. The
following actions will result in the exclusion of liability on the part of WAGO
Kontakttechnik GmbH & Co. KG:
• Repairs,
• Changes to the hardware or software that are not described in the
operating instructions,
• Improper use of the components.
Further details are given in the contractual agreements. Please send your
request for modified and new hardware or software configurations directly to
WAGO Kontakttechnik GmbH & Co. KG.
2.1.4.1 Disposal
2.1.4.1.1 Electrical and Electronic Equipment
Electrical and electronic equipment may not be disposed of
with household waste. This also applies to products without
this symbol.
Electrical and electronic equipment contain materials and substances that can be
harmful to the environment and health. Electrical and electronic equipment must
be disposed of properly after use.
WEEE 2012/19/EU applies throughout Europe. Directives and laws may vary
nationally.

14 Important Notes WAGO-I/O-SYSTEM 750
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
Environmentally friendly disposal benefits health and protects
the environment from harmful substances in electrical and
electronic equipment.
• Observe national and local regulations for the disposal of electrical and
electronic equipment.
• Clear any data stored on the electrical and electronic equipment.
• Remove any added battery or memory card in the electrical and
electronic equipment.
• Have the electrical and electronic equipment sent to your local
collection point.
Improper disposal of electrical and electronic equipment can be harmful to the
environment and human health.
2.1.4.1.2 Packaging
Packaging contains materials that can be reused.
PPWD 94/62/EU and 2004/12/EU packaging guidelines apply throughout
Europe. Directives and laws may vary nationally.
Environmentally friendly disposal of the packaging protects the environment and
allows sustainable and efficient use of resources.
• Observe national and local regulations for the disposal of packaging.
• Dispose of packaging of all types that allows a high level of recovery,
reuse and recycling.
Improper disposal of packaging can be harmful to the environment and wastes
valuable resources.

WAGO-I/O-SYSTEM 750 Important Notes 15
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
2.2 Safety Advice (Precautions)
For installing and operating purposes of the relevant device to your system the
following safety precautions shall be observed:
Do not work on devices while energized!
All power sources to the device shall be switched off prior to performing any
installation, repair or maintenance work.
Install the device only in appropriate housings, cabinets or in electrical
operation rooms!
The WAGO-I/O-SYSTEM 750 and its components are an open system. As such,
install the system and its components exclusively in appropriate housings,
cabinets or in electrical operation rooms. Allow access to such equipment and
fixtures to authorized, qualified staff only by means of specific keys or tools.
Ensure a standard connection!
To minimize any hazardous situations resulting in personal injury or to avoid
failures in your system, the data and power supply lines shall be installed
according to standards, with careful attention given to ensuring the correct
terminal assignment. Always adhere to the EMC directives applicable to your
application.
Replace defective or damaged devices!
Replace defective or damaged device/module (e.g., in the event of deformed
contacts).
Protect the components against materials having seeping and insulating
properties!
The components are not resistant to materials having seeping and insulating
properties such as: aerosols, silicones and triglycerides (found in some hand
creams). If you cannot exclude that such materials will appear in the component
environment, then install the components in an enclosure being resistant to the
above-mentioned materials. Clean tools and materials are imperative for
handling devices/modules.

16 Important Notes WAGO-I/O-SYSTEM 750
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
Clean only with permitted materials!
Clean housing and soiled contacts with propanol.
Do not use any contact spray!
Do not use any contact spray. The spray may impair contact area functionality in
connection with contamination.
Do not reverse the polarity of connection lines!
Avoid reverse polarity of data and power supply lines, as this may damage the
devices involved.
Avoid electrostatic discharge!
The devices are equipped with electronic components that may be destroyed by
electrostatic discharge when touched. Please observe the safety precautions
against electrostatic discharge per DIN EN 61340-5-1/-3. When handling the
devices, please ensure that environmental factors (personnel, work space and
packaging) are properly grounded.

WAGO-I/O-SYSTEM 750 Important Notes 17
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
2.3 Special Use Conditions for ETHERNET Devices
If not otherwise specified, ETHERNET devices are intended for use on local
networks. Please note the following when using ETHERNET devices in your
system:
• Do not connect control components and control networks to an open
network such as the Internet or an office network. WAGO recommends
putting control components and control networks behind a firewall.
• Limit physical and electronic access to all automation components to
authorized personnel only.
• Change the default passwords before first use! This will reduce the risk of
unauthorized access to your system.
• Regularly change the passwords used! This will reduce the risk of
unauthorized access to your system.
• If remote access to control components and control networks is required,
use a Virtual Private Network (VPN).
• Regularly perform threat analyses. You can check whether the measures
taken meet your security requirements.
• Use “defense-in-depth” mechanisms in your system's security configuration
to restrict the access to and control of individual products and networks.

18 System Description WAGO-I/O-SYSTEM 750
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
3 System Description
The WAGO-I/O-SYSTEM 750 is a modular, fieldbus-independent input/output
system (I/O system). The configuration described here consists of a fieldbus
coupler/controller (1) and the modular I/O modules (2) for any signal shapes that
form the fieldbus node together. The end module (3) completes the node and is
required for correct operation of the fieldbus node.
Figure 1: Fieldbus Node (Example)
Fieldbus couplers/controllers are available for different fieldbus systems.
The ECO coupler contains the fieldbus interface, electronics and a power supply
for the system. The fieldbus interface forms the physical interface to the relevant
fieldbus. The electronics process the data of the bus modules and make it
available for the fieldbus communication.
I/O modules for diverse digital and analog I/O signals as well as special functions
can be connected to the fieldbus coupler/controller. The communication between
the fieldbus coupler/controller and the I/O modules is carried out via a local bus.
The components of the WAGO-I/O-SYSTEM 750 have clear termination points,
light emitting diodes for status display, plug-in mini WSB tags and group marker
cards for labeling.
The 1, 2 or 3 wire technology supplemented by a ground wire connection allows
for direct sensor or actuator wiring.

WAGO-I/O-SYSTEM 750 System Description 19
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
3.1 Manufacturing Number
The serial number indicates the delivery status directly after production. This
number is part of the labeling on the side of each component.
Figure 2: Marking Area for Serial Numbers
There are two serial numbers in two rows in the side marking. They are left of the
release tab. The first 10 positions in the longer row of the serial numbers contain
version and date identifications.
Example structure of the rows: 0114010101…
01
14
01
01
01
(additional positions)
WW
YY
FW --
HW
FL
-
Calendar
week
Year
Firmware
version
Hardware
version
Firmware
loader
version
Internal information
The row order can vary depending on the production year, only the longer row is
relevant. The back part of this and the shorter row contain internal administration
information from the manufacturer.
In addition, the serial number is printed on the front of the fieldbus
coupler/controller on the cover cap of the service interface, so that it can also be
read when installed.

20 System Description WAGO-I/O-SYSTEM 750
750-354/000-001 EtherCAT® Fieldbus Coupler, ID Switch
Manual
Version 1.2.1
3.2 Update
For products that can be updated, the side inscription has a prepared matrix in
which the current update data can be entered in columns.
Up to 2015, the matrix has rows to enter the “NO” work order number (or “BA” to
CW 13/2004), “DS” update date, “SW” software index (optional), “HW” hardware
index and “FWL” firmware loader index (optional).
Figure 3: Update Matrix up to 2015
From 2016, the matrix has rows to enter the “FA” production or work order
number and to enter the “PD” production date and “AZ” item number.
Figure 4: Update Matrix from 2016
Table 3: Legend for Figure “Update Matrix from 2016”
Description
FA
Production order number, 10-digit
PD
KW = calendar week
YY = year
AZ
FW = firmware index
HW = hardware index
FL = firmware loader index
For factory updates to a head station, the current production or work order
number is also printed on the cover cap of the service interface.
The original manufacturing information on the product housing remains
unchanged.