WAGO 750 Series User manual

Manual
WAGO I/O SYSTEM 750
750-498
8AI; TC; Adjust
8
-Channel Analog Input; Thermocouple; Adjustable
Version 1.0.0

2 WAGO I/O SYSTEM 750
750-498 8AI; TC; Adjust
Manual
Version 1.0.0
© 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
750-498 8AI; TC; Adjust
Manual
Version 1.0.0
Table of Contents
1Notes about this Documentation .............................................................6
1.1 Validity of this Documentation.................................................................6
1.2 Revision History......................................................................................6
1.3 Copyright................................................................................................6
1.4 Symbols .................................................................................................7
1.5 Number Notation ....................................................................................8
1.6 Font Conventions ...................................................................................8
2Important Notes ........................................................................................9
2.1 Legal Bases............................................................................................9
2.1.1 Subject to Changes............................................................................9
2.1.2 Personnel Qualifications ....................................................................9
2.1.3 Use of the 750 Series in Compliance with Underlying Provisions.......9
2.1.4 Technical Condition of Specified Devices.........................................10
2.1.4.1 Disposal ......................................................................................10
2.1.4.1.1 Electrical and Electronic Equipment ........................................10
2.1.4.1.2 Packaging ...............................................................................11
2.2 Safety Advice (Precautions) .................................................................12
3Device Description..................................................................................15
3.1 View .....................................................................................................18
3.2 Connectors ...........................................................................................19
3.2.1 Data Contacts/Local Bus..................................................................19
3.2.2 Power Jumper Contacts/Field Supply ..............................................20
3.2.3 Push-in CAGE CLAMP®Connectors................................................21
3.3 Display Elements..................................................................................23
3.4 Operating Elements..............................................................................24
3.5 Schematic Diagram ..............................................................................24
3.6 Technical Data .....................................................................................25
3.6.1 Device Data .....................................................................................25
3.6.2 Power Supply...................................................................................25
3.6.3 Inputs...............................................................................................26
3.6.4 Sensor Types and Measuring Accuracies ........................................27
3.6.4.1 Temperature Measuring Ranges and Measuring Accuracies
including Internal Cold Junction Compensation ...........................27
3.6.4.2 Temperature Measuring Ranges and Measuring Accuracies
with External Cold Junction Compensation..................................29
3.6.4.3 Voltage Measuring Ranges and Measuring Accuracies...............29
3.6.5 Communication................................................................................30
3.6.6 Connection Type..............................................................................30
3.6.7 Climatic Environmental Conditions...................................................30
3.7 Approvals .............................................................................................31
3.8 Standards and Guidelines ....................................................................31

4 Table of Contents WAGO I/O SYSTEM 750
750-498 8AI; TC; Adjust
Manual
Version 1.0.0
4Process Image.........................................................................................32
4.1 Overview ..............................................................................................33
4.2 Status Bytes .........................................................................................34
4.3 Process Data........................................................................................35
4.3.1 Overview of Sensor Types ...............................................................35
4.3.2 Sensors for Temperature Measurement (°C) ...................................36
4.3.2.1 Standard Data Format .................................................................36
4.3.3 Sensors for Voltage Measurement (mV) ..........................................43
4.3.3.1 Standard Data Format .................................................................43
5Mounting..................................................................................................47
5.1 Installation Position...............................................................................47
5.2 Mounting Sequence..............................................................................49
5.3 Inserting and Removing Devices ..........................................................51
5.3.1 Inserting the I/O Module...................................................................51
5.3.2 Removing the I/O Module ................................................................52
6Connect Devices .....................................................................................53
6.1 Connecting a Conductor to the Push-in CAGE CLAMP®......................53
6.2 Connection Example ............................................................................54
7Commissioning .......................................................................................55
7.1 Parameterization with WAGO-I/O-CHECK............................................55
7.1.1 Parameterization Dialog...................................................................57
7.1.1.1 Title Bar.......................................................................................58
7.1.1.2 Main Menu ..................................................................................59
7.1.1.3 Horizontal Tab Menu ...................................................................60
7.1.1.3.1 “File” Tab ................................................................................61
7.1.1.3.1.1 “Open” Menu Item ..............................................................62
7.1.1.3.1.2 “Save” Menu Item...............................................................63
7.1.1.3.2 “Start” Tab...............................................................................64
7.1.1.3.3 “Connection” Tab ....................................................................65
7.1.1.4 Vertical Tab Menu .......................................................................66
7.1.1.4.1 “Module settings” Menu Item...................................................67
7.1.1.4.2 “Channel settings” Menu Item .................................................68
7.1.1.4.3 “Scaling” Menu Item................................................................72
7.1.1.4.4 “Calibration” Menu Item...........................................................73
7.1.1.4.5 “Monitoring” Menu Item...........................................................75
7.1.1.4.6 “Information” Menu Item..........................................................76
7.1.1.5 Application Area ..........................................................................76
7.1.1.6 Status Messages.........................................................................77
7.1.1.7 Status Bar ...................................................................................79
7.2 Configuration and Parameterization using a GSD File with
PROFIBUS DP and PROFINET IO.......................................................79
7.3 Calibrating Measured Values................................................................80
7.3.1 Example of Determining Gain and Offset .........................................81
7.4 Scaling Measured Values .....................................................................83

WAGO I/O SYSTEM 750 Table of Contents 5
750-498 8AI; TC; Adjust
Manual
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8Diagnostics..............................................................................................84
8.1 I/O Module Behavior in the Event of an Error........................................84
9Appendix .................................................................................................86
9.1 Configuration and Parameterization using a GSD File with
PROFIBUS DP and PROFINET IO.......................................................86
9.1.1 Configuration 8 AI TC.......................................................................86
9.1.1.1 PROFIBUS DP Fieldbus Coupler/Controller
750-333(/0xx-000), 750-833(/0xx-000) ........................................86
9.1.1.2 PROFINET IO Fieldbus Coupler 750-370,
750-375(/025-000), 750-377(/025-000)........................................86
9.1.2 Parameterization 8 AI TC.................................................................87
9.1.2.1 All PROFIBUS DP and PROFINET IO Fieldbus Couplers ...........89
9.1.2.2 PROFIBUS DP Fieldbus Coupler 750-333(/0xx-000), 750-
833(/0xx-000) ..............................................................................90
9.1.2.3 PROFINET IO Fieldbus Coupler 750-370,
750-375(/025-000), 750-377(/025-000)........................................91
List of Figures ..................................................................................................93
List of Tables....................................................................................................94

6 Notes about this Documentation WAGO I/O SYSTEM 750
750-498 8AI; TC; Adjust
Manual
Version 1.0.0
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 I/O module 750-498
(8AI; TC; Adjust).
The I/O module 750-498 shall only be installed and operated according to the
instructions in this manual and in the manual for the used fieldbus coupler or
controller.
Consider power layout of the WAGO I/O SYSTEM 750!
In addition to these operating instructions, you will also need the manual for the
used fieldbus coupler or controller, 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 Revision History
Table 1: Revision History
Document
version
Device version
Description of change
Hardware
Firmware
1.0.0
01
01
First issue
1.3 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 7
750-498 8AI; TC; Adjust
Manual
Version 1.0.0
1.4 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.

8 Notes about this Documentation WAGO I/O SYSTEM 750
750-498 8AI; TC; Adjust
Manual
Version 1.0.0
Additional Information:
Refers to additional information which is not an integral part of this
documentation (e.g., the Internet).
1.5 Number Notation
Table 2: 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 (.)
1.6 Font Conventions
Table 3: 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]

WAGO I/O SYSTEM 750 Important Notes 9
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Manual
Version 1.0.0
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 prototype test

10 Important Notes WAGO I/O SYSTEM 750
750-498 8AI; TC; Adjust
Manual
Version 1.0.0
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.
Environmentally friendly disposal benefits health and protects
the environment from harmful substances in electrical and
electronic equipment.

WAGO I/O SYSTEM 750 Important Notes 11
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• 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.

12 Important Notes WAGO I/O SYSTEM 750
750-498 8AI; TC; Adjust
Manual
Version 1.0.0
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 device in only one suitable enclosure!
The device is an open system. Install the device in a suitable enclosure. This
enclosure must:
• Guarantee that the max. permissible degree of pollution is not exceeded.
• Offer adequate protection against contact.
• Prevent fire from spreading outside of the enclosure.
• Offer adequate protection against UV irradiation.
• Guarantee mechanical stability
• Restrict access to authorized personnel and may only be opened with tools
Ensure disconnect and overcurrent protection!
The device is intended for installation in automation technology systems.
Disconnect protection is not integrated. Connected systems must be protected by
a fuse.
Provide suitable disconnect and overcurrent protection on the system side!
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.
Power from SELV/PELV power supply only!
All field signals and field supplies connected to this I/O module (750-498) must
be powered from SELV/PELV power supply(s)!

WAGO I/O SYSTEM 750 Important Notes 13
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Ensure proper contact with the DIN-rail!
Proper electrical contact between the DIN-rail and device is necessary to
maintain the EMC characteristics and function of the device.
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.
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.

14 Important Notes WAGO I/O SYSTEM 750
750-498 8AI; TC; Adjust
Manual
Version 1.0.0
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 Device Description 15
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Manual
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3 Device Description
The analog input module 750-498(8AI; TC; Adjust) measures either voltages
(mV) in the field or analyzes thermocouples.
Depending on the sensor selection for the respective I/O module, the voltage
value is output directly or converted into the respective temperature value.
Based on the measured values supplied by the thermocouple and the cold
junction temperature, the I/O module determines the corresponding temperature
at the measuring point of the thermocouple used.
Ensure safe separation of thermocouples from dangerous live parts
The measurements circuits (TC) are intended for measurement of a separate
device via a thermocouple on non-hazardous locations and SELV circuits only.
The I/O module can compensate for a cold junction at the transition point
between the thermocouple and signal line.
If cold junction compensation is active, you can choose between internal and
external cold junction compensation (see section “Startup” > … > “Parameteri-
zation with WAGO-I/O-CHECK“ > … > menu item “Channel settings”).
When using external cold junction compensation, you specify the cold junction
temperature via WAGO-I/O-CHECK.
When using internal cold junction compensation, the I/O module records the cold
junction temperature of the I/O module connections using internal sensors.
The I/O module has eight input channels, providing a direct connection from
thermocouples to 2-wire sensors.
The thermocouples are connected to the push-in CAGE CLAMP®terminals
+TC1/−TC1 … +TC8/−TC8.
The field voltage and the system voltage are electrically isolated from each other.
The assignment of the connections is described in the “Connectors” section.
Connection examples are shown in section “Connect Devices” > … >
“Connection Example(s)”.
The operational readiness and the trouble-free local bus communication of the
channels are indicated via a green function LED.
A red fault LED per channel indicates a wire break or that the signal is outside
the measuring range.
The meaning of the LEDs is described in the “Display Elements” section.

16 Device Description WAGO I/O SYSTEM 750
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Manual
Version 1.0.0
Do not exceed maximum values via power contacts!
The maximum current that can flow through the power jumper contacts is 10 A.
The power jumper contacts can be damaged and the permissible operating
temperature can be exceeded by higher current values.
When configuring the system, do not exceed the permissible maximum current
value. If there is a higher power requirement, you must use an additional supply
module to provide the field voltage.
With consideration of the power jumper contacts, the individual modules can be
arranged in any combination when configuring the fieldbus node.
An arrangement in groups within the group of potentials is not necessary.
Only use the device in dry, indoor rooms
The device may be used only in dry, indoor rooms.
Observe the installation instructions.
The 750-498 module can be used with the fieldbus couplers and controllers of
the WAGO I/O SYSTEM 750 of the specified version or higher listed in the
“Compatibility list” table.

WAGO I/O SYSTEM 750 Device Description 17
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Manual
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Table 4: Compatibility List 750-498
Bus System
Fieldbus Coupler/Controller
Item No..
Firmware Version
PROFINET Fieldbus coupler
750-375
03
750-377
03
PROFIBUS
Fieldbus coupler
750-333
22
Programmable fieldbus controller
750-833
21
ETHERNET
Fieldbus coupler
750-342
18
750-352
04
750-362
02
Programmable fieldbus controller
750-841
20
750-842
19
750-843
03
750-852
01
750-862
02
750-871
08
750-872
04
750-873
04
750-880
04
750-881
04
750-882
04
750-885
04
750-890
02
750-891
02
Fieldbus controller PFC100
750-810x
04
Fieldbus controller PFC200
750-82xx
01
DeviceNet
Fieldbus coupler
750-306
4L
ECO Fieldbus coupler
750-346
11
Programmable fieldbus controller
750-806
11
CANopen
Fieldbus coupler
750-337
20
750-338
20
ECO Fieldbus coupler
750-347
10
750-348
10
Programmable fieldbus controller
750-837
15
750-838
15
Modbus®
Fieldbus coupler
750-315/300-000
01
750-316/300-000
01
Programmable Fieldbus controller
750-815/300-000
01
750-816/300-000
01
EtherCat
Fieldbus coupler
750-354
03
SERCOS III
Fieldbus coupler
750-351
04
CC-Link
Fieldbus coupler
750-310
03
BACnet
Programmable Fieldbus controller
750-831
03
KNX
Programmable Fieldbus controller
750-889
07

18 Device Description WAGO I/O SYSTEM 750
750-498 8AI; TC; Adjust
Manual
Version 1.0.0
3.1 View
Figure 1: View of device
Table 5: Legend for Figure “View”
Pos.
Description
Details See Section
1
Marking possibility with Mini-
WSB
---
2
Status LEDs
“Device Description” > “Display Elements”
3
Data contacts
“Device Description” > “Connectors”
4
Push-in CAGE CLAMP®
connectors
“Device Description” > “Connectors”
5
Power jumper contacts
“Device Description” > “Connectors”
6
Release tab
“Mounting” > “Inserting and Removing
Devices”

WAGO I/O SYSTEM 750 Device Description 19
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3.2 Connectors
3.2.1 Data Contacts/Local Bus
Communication between the fieldbus coupler/controller and the I/O modules as
well as the system supply of the I/O modules is carried out via the local bus. The
contacting for the local bus consists of 6 data contacts, which are available as
self-cleaning gold spring contacts.
Figure 2: Data Contacts
Do not place the I/O modules on the gold spring contacts!
Do not place the I/O modules on the gold spring contacts in order to avoid soiling
or scratching!
Pay attention to potential equalization from the environment!
The devices are equipped with electronic components that may be destroyed by
electrostatic discharge. When handling the devices, please ensure that
environmental factors (personnel, work space and packaging) are properly
equalized. Do not touch any conducting parts, e.g., data contacts.

20 Device Description WAGO I/O SYSTEM 750
750-498 8AI; TC; Adjust
Manual
Version 1.0.0
3.2.2 Power Jumper Contacts/Field Supply
Risk of injury due to sharp-edged blade contacts!
The blade contacts are sharp-edged. Handle the I/O module carefully to prevent
injury. Do not touch the blade contacts.
The I/O module 750-498 has 2 self-cleaning power jumper contacts that supply
and transmit power for the field side. The contacts on the left side of the I/O
module are designed as blade contacts and those on the right side as spring
contacts.
Figure 3: Power Jumper Contacts
Table 6: Legend for Figure “Power Jumper Contacts”
Contact
Type
Function
1
Spring contact
Potential transmission (Uv) for field supply
2
Spring contact
Potential transmission (0 V) for field supply
3
Blade contact
Potential feed-in (0 V) for field supply
4
Blade contact
Potential feed-in (Uv) for field supply
Do not exceed maximum values via power contacts!
The maximum current that can flow through the power jumper contacts is 10 A.
The power jumper contacts can be damaged and the permissible operating
temperature can be exceeded by higher current values.
When configuring the system, do not exceed the permissible maximum current
value. If there is a higher power requirement, you must use an additional supply
module to provide the field voltage.