WAGO 2-channel Analog Input for Resistance Sensors User manual

Brand: WAGO

Model: 2-channel Analog Input for Resistance Sensors

Type: User manual

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Manual

WAGO-I/O-SYSTEM 750

750-461(/xxx-xxx)

2AI Pt100/RTD

-Channel Analog Input for Resistance Sensors

Version 1.4.1

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2 WAGO-I/O-SYSTEM 750

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

WAGO Kontakttechnik GmbH & Co. KG

Hansastraße 27

D-32423 Minden

Phone: +49 (0) 571/8 87 – 0

Fax: +49 (0) 571/8 87 – 1 69

E-Mail: [email protected]

Web: www.wago.com

Technical Support

Phone: +49 (0) 571/8 87 – 4 45 55

Fax: +49 (0) 571/8 87 – 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.

=== Ende der Liste für Textmarke Einband_vorne ===

WAGO-I/O-SYSTEM 750 Table of Contents 3

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

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Table of Contents

1 Notes about this Documentation .............................................................. 5

1.1 Validity of this Documentation .................................................................. 5

1.2 Copyright.................................................................................................. 6

1.3 Symbols ................................................................................................... 7

1.4 Number Notation ...................................................................................... 9

1.5 Font Conventions ..................................................................................... 9

2 Important Notes ........................................................................................ 10

2.1 Legal Bases ........................................................................................... 10

2.1.1 Subject to Changes ........................................................................... 10

2.1.2 Personnel Qualifications.................................................................... 10

2.1.3 Use of the 750 Series in Compliance with Underlying Provisions ..... 10

2.1.4 Technical Condition of Specified Devices ......................................... 11

2.1.4.1 Disposal ........................................................................................ 11

2.1.4.1.1 Electrical and Electronic Equipment ........................................ 11

2.1.4.1.2 Packaging ................................................................................ 12

2.2 Safety Advice (Precautions) ................................................................... 13

3 Device Description ................................................................................... 15

3.1 View ....................................................................................................... 16

3.2 Connectors ............................................................................................. 17

3.2.1 Data Contacts/Local Bus ................................................................... 17

3.2.2 Power Jumper Contacts/Field Supply ............................................... 18

3.2.3 CAGE CLAMP

Connectors .............................................................. 18

3.3 Display Elements ................................................................................... 19

3.4 Operating Elements ............................................................................... 20

3.5 Schematic Diagram ................................................................................ 20

3.6 Technical Data ....................................................................................... 21

3.6.1 Device Data ....................................................................................... 21

3.6.2 Power Supply .................................................................................... 21

3.6.3 Communication ................................................................................. 21

3.6.4 Inputs ................................................................................................ 22

3.6.5 Climatic Environmental Conditions .................................................... 23

3.6.6 Connection Type ............................................................................... 23

3.7 Approvals ............................................................................................... 24

3.8 Standards and Guidelines ...................................................................... 26

4 Process Image .......................................................................................... 27

4.1 I/O Modules with Pt Resistance Sensors ............................................... 27

4.1.1 Pt100 ................................................................................................. 27

4.1.2 Pt1000 ............................................................................................... 28

4.1.3 Pt100 with Status Information for S5-FB250 in the Data Word ......... 29

4.2 I/O Modules with Ni Resistance Sensors ............................................... 29

4.2.1 Ni100 ................................................................................................. 30

4.2.2 Ni1000 TK6180 ................................................................................. 31

4.2.3 Ni1000 TK5000 ................................................................................. 32

4.3 I/O Modules for Resistance Measurement ............................................. 33

4.3.1 Resistance Measurement 10 Ohm to 1.2 kOhm ............................... 33

4 Table of Contents WAGO-I/O-SYSTEM 750

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

4.3.2 Resistance Measurement 10 Ohm to 5.0 kOhm ............................... 34

4.4 Configurable I/O Module 750-461/003-000 ............................................ 34

4.5 I/O Module for NTC Resistance Sensors ............................................... 36

5 Mounting ................................................................................................... 37

5.1 Mounting Sequence ............................................................................... 37

5.2 Inserting and Removing Devices ........................................................... 38

5.2.1 Inserting the I/O Module .................................................................... 38

5.2.2 Removing the I/O Module.................................................................. 39

6 Connect Devices ....................................................................................... 40

6.1 Connecting a Conductor to the CAGE CLAMP

.................................... 40

6.2 Connection Examples ............................................................................ 41

6.2.1 2 × RTD, 2-Conductors ..................................................................... 41

6.2.2 2 × RTD, 3-Conductors ..................................................................... 42

7 Use in Hazardous Environments ............................................................ 43

7.1 Marking Configuration Examples ........................................................... 44

7.1.1 Marking for Europe According to ATEX and IECEx .......................... 44

7.1.2 Marking for the United States of America (NEC) and Canada

(CEC) ................................................................................................ 48

7.2 Installation Regulations .......................................................................... 51

7.2.1 Special Notes Regarding Explosion Protection ................................. 51

7.2.2 Special Notes Regarding ANSI/ISA Ex ............................................. 53

8 Appendix ................................................................................................... 54

8.1 Configuration and Parameterization using a GSD File with

PROFIBUS DP and PROFINET IO ........................................................ 54

8.1.1 Confi

guration of the RS-232/RS-485 Interface .................................. 54

8.1.1.1 PROFIBUS DP Fieldbus Coupler/Controller 750-333(/0xx-000),

750-833(/0xx-000), PROFINET IO Fieldbus Coupler (750-370) ... 54

8.1.1.2 PROFINET IO Fieldbus Coupler 750-375(/025-000), 750-377

(/025-000) ..................................................................................... 55

8.1.2 Configuration of the RS-232/RS-485 Serial Interface ....................... 56

8.1.2.1 All PROFIBUS DP and PROFINET IO Fieldbus

Couplers/Controllers ..................................................................... 57

8.1.2.2 PROFIBUS DP Fieldbus Coupler/Controller 750-333(/0xx-000),

750-833(/0xx-000), PROFINET IO Fieldbus Coupler 750-370 ..... 59

8.1.2.3 PROFINET IO Fieldbus Coupler 750-375(/025-000), 750-377

(/025-000) ..................................................................................... 60

List of Figures .................................................................................................... 61

List of Tables ...................................................................................................... 62

=== Ende der Liste für Textmarke Verzeichnis_ vorne ===

WAGO-I/O-SYSTEM 750 Notes about this Documentation 5

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

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1 Notes about this Documentation

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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.

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1.1 Validity of this Documentation

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This documentation is only applicable to the I/O module 750-461 (2AI

Pt100/RTD) and the variants listed in the table below.

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Table 1: Variants

Item number/Variant

Designation

Pt-resistance sensors

750-461

2AI Pt100/RTD

750-461/000-003

2AI Pt1000/RTD

750-461/000-006

2AI Pt100/RTD/optimized temperature drift

750-461/000-200

2AI Pt100/RTD S5

Adapted data format for S5-controller with functions block 250

750-461/025-000

2AI Pt100/RTD/T

Ni-resistance sensors

750-461/000-004

2AI Ni100/RTD

750-461/000-005

2AI Ni1000 TK6180/ RTD

750-461/000-009

2AI Ni1000 TK5000/ RTD

resistance measuring

750-461/000-002

2AI resistance measuring 10R-1k2

750-461/000-007

2AI resistance measuring 10R-5k0

Operating mode configurable with WAGO-I/O-CHECK

or PROFIBUS DP and PROFINET device description (GSD file)

750-461/003-000

2AI Pt100/free configurable

NTC- resistance sensors

750-461/020-000

2AI NTC 20k

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Documentation Validity for Variants

Unless otherwise indicated, the information given in this documentation applies

to listed variants.

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6 Notes about this Documentation WAGO-I/O-SYSTEM 750

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

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The I/O module 750-461 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.

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1.2 Copyright

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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.

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WAGO-I/O-SYSTEM 750 Notes about this Documentation 7

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

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1.3 Symbols

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Personal Injury!

Indicates a high-risk, imminently hazardous situation which, if not avoided, will

result in death or serious injury.

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Personal Injury Caused by Electric Current!

Indicates a high-risk, imminently hazardous situation which, if not avoided, will

result in death or serious injury.

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Personal Injury!

Indicates a moderate-risk, potentially hazardous situation which, if not avoided,

could result in death or serious injury.

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Personal Injury!

Indicates a low-risk, potentially hazardous situation which, if not avoided, may

result in minor or moderate injury.

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Damage to Property!

Indicates a potentially hazardous situation which, if not avoided, may result in

damage to property.

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Damage to Property Caused by Electrostatic Discharge (ESD)!

Indicates a potentially hazardous situation which, if not avoided, may result in

damage to property.

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Important Note!

Indicates a potential malfunction which, if not avoided, however, will not result in

damage to property.

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8 Notes about this Documentation WAGO-I/O-SYSTEM 750

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

Additional Information:

Refers to additional information which is not an integral part of this

documentation (e.g., the Internet).

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WAGO-I/O-SYSTEM 750 Notes about this Documentation 9

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

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1.4 Number Notation

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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 (.)

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1.5 Font Conventions

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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 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]

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10 Important Notes WAGO-I/O-SYSTEM 750

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

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2 Important Notes

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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.

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2.1 Legal Bases

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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.

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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.

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2.1.3 Use of the 750 Series in Compliance with Underlying

Provisions

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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.

WAGO-I/O-SYSTEM 750 Important Notes 11

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

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 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.

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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.

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2.1.4.1 Disposal

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2.1.4.1.1 Electrical and Electronic Equipment

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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.

12 Important Notes WAGO-I/O-SYSTEM 750

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

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.

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2.1.4.1.2 Packaging

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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.

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WAGO-I/O-SYSTEM 750 Important Notes 13

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

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2.2 Safety Advice (Precautions)

Pos: 18.13 /Alle Seri en (Allgemeine Module)/ Sicherheits- und sons tige Hinweise/Einlei tung Sicherheitshi nweise Hardware @ 6\mod_1260 180170493_21.doc x @ 46720 @ @ 1

For installing and operating purposes of the relevant device to your system the

following safety precautions shall be observed:

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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.

Pos: 18.14.2 /Seri e 750 (WAGO-I/O-SYSTEM)/Wichtige Er läuterungen (alte Struk tur)/Sicherhei ts- und sonstige Hinweise/ Gefahr/Gefahr : Einbau 0750- xxxx nur in Gehäusen, Schr änken oder elektrisc hen Betriebsräumen! @ 6\mod_ 1260180556692_21.doc x @ 46731 @ @ 1

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.

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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!

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Pos: 18.14.5 /Alle Ser ien (Allgemeine Module) /Sicherheits- und son stige Hinweise/ Gefahr/Gefahr: Auf normgerechten Anschluss ac hten! @ 6\mod_12601807 53479_21.docx @ 46739 @ @ 1

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.

Pos: null /Alle Serien ( Allgemeine Module)/ Sicherheits- und sonstige Hinweise/Ac htung/Achtung: Ei nwandfreie Kontaktier ung zur Tragschiene gewä hrleisten! @ 34\mod_15504 81407638_21.doc x @ 530599 @ @ 1

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.

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14 Important Notes WAGO-I/O-SYSTEM 750

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

Replace defective or damaged devices!

Replace defective or damaged device/module (e.g., in the event of deformed

contacts).

Pos: 18.15.3 /Alle Ser ien (Allgemeine Module) /Sicherheits- und son stige Hinweise/Ac htung/Achtung: Gerät e vor kriechenden und iso lierenden Stoffen schü tzen! @ 6\mod_1260181036216 _21.docx @ 46747 @ @ 1

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.

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Clean only with permitted materials!

Clean housing and soiled contacts with propanol.

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Do not use any contact spray!

Do not use any contact spray. The spray may impair contact area functionality in

connection with contamination.

Pos: 18.15.6 /Alle Ser ien (Allgemeine Module) /Sicherheits- und son stige Hinweise/Ac htung/Achtung: Verpo lungen der Daten- und Versor gungsleitungen vermeiden! @ 6\mod_1260184045 744_21.docx @ 46767 @ @ 1

Do not reverse the polarity of connection lines!

Avoid reverse polarity of data and power supply lines, as this may damage the

devices involved.

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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.

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WAGO-I/O-SYSTEM 750 Device Description 15

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

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3 Device Description

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The 750-461 I/O module measures resistance at field level or evaluates platinum

or nickel resistance sensors.

The resistance values are converted into temperature values. A microprocessor

in the I/O module linearizes the measured resistance values and converts them

into a numeric value proportional to the temperature of the selected resistance

sensor.

Pos: 21.1.2 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung (alte Struktur) /Einleitung/Anwendu ng/AI/Anwendung 75 x-04xx Parametri eren Variante mit Wago IO Check und G SD @ 28\mod_1487243693894_ 21.docx @ 407908 @ @ 1

The WAGO-I/O-CHECK commissioning tool can be used to configure the

required operating mode. The I/O module can also be parameterized via

PROFIBUS and PROFINET device description (GSD file).

The parameterization description can be found in the appendix in Section

“Configuration and Parameterization via GSD File with PROFIBUS DP and

PROFINET IO.”

Pos: 21.1.3 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung (alte Struktur) /Einleitung/I/ O-Beschreibung/AI/ I/O-Beschreibung 750-04 xx 2 AI RTD/NTC @ 7\mod_1274420216920_21.doc x @ 56930 @ @ 1

The module has two input channels allowing the direct connection of two 2- or 3-

wire resistance sensors.

For example, two 3-wire sensors can be connected either to +R1, RL1 and −R1

or to +R2, RL2 and −R2.

Pos: 21.1.4 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung (alte Struktur) /Einleitung/I/ O-Beschreibung/AI/ I/O-Beschreibung 750-04 xx AI Gemeinsamer Sc hirmanschluss @ 7\mod_12747868 80908_21.docx @ 56960 @ @ 1

Each input channel of a module has a shield (screen) connection (S).

Pos: 21.1.5 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung (alte Struktur) /Einleitung/I/ O-Beschreibung/AI/ I/O-Beschreibung 750-04 xx AI Schirmanschlus s Kontakt mit Tragschiene @ 5\mod_1246367742653_21. docx @ 36360 @ @ 1

The shield connection is fed directly to the carrier rail and contact is made

automatically by snapping the module onto the rail.

Pos: 21.1.6 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung (alte Struktur) /Einleitung/I/ O-Beschreibung/Allge mein/Verweis auf Kapitel "Anschlüsse" @ 8\ mod_1276775378035_21. docx @ 57956 @ @ 1

The assignment of the connections is described in the “Connectors” section.

Pos: 21.1.7 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung (alte Struktur) /Einleitung/I/ O-Beschreibung/Al lgemein/Verweis auf K apitel "Geräte anschließ en" > "Anschlussbeis piel(e)" @ 5\mod_12460152 03281_21.docx @ 36298 @ @ 1

Connection examples are shown in section “Connect Devices” > … >

“Connection Example(s)”.

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The operating status of the channels is indicated by a green status LED per

channel.

Pos: 21.1.9 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung (alte Struktur)/ Einleitung/LED-An zeige/LED Fehler Kur zschluss/Drahtbr uch/Bereichsüber -/unterschreitung @ 5\mod_124 5391942765_21.doc x @ 35672 @ @ 1

A red error LED per channel indicates a wire break, a short circuit or that the

signal is outside the measuring range.

Pos: 21.1.10 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung (alte Struktur )/Einleitung/LED -Anzeige/Verweis auf Kapitel "Anzeigeelement e" @ 5\mod_1246010525000_2 1.docx @ 36194 @ @ 1

The meaning of the LEDs is described in the “Display Elements” section.

Pos: 21.1.11 /Seri e 750 (WAGO-I/O-SYSTEM)/Wichtige Er läuterungen (alte Struk tur)/Sicherhei ts- und sonstige Hinweise/ Hinweis/Hinweis: Potentialeinspei semodul einsetzen! (kei ne LK) @ 3\mod_122649908964 0_21.docx @ 25026 @ @ 1

Use a power supply module!

Use a power supply module for field-side power supply of downstream I/O

modules.

Pos: 21.1.12 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung (alte Struktur )/Einleitung/Ver sorgung/Galvanisc he Trennung Feld/Sy stem @ 3\mod_1233756478750 _21.docx @ 27102 @ @ 1

The field voltage and the system voltage are electrically isolated from each other.

Pos: 21.1.13 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung (alte Struktur )/Einleitung/Ver sorgung/Anordnung unt er Berücksichti gung der Leistungskontak te beliebig @ 3\mod_12337 56233468_21.docx @ 2709 9 @ @ 1

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.

Pos: 21.1.14 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung (alte Struktur )/Einleitung/Ei nsatzbereich/Ei nsatzbereich 750-xxxx alle Kopp ler/Controller ohne Economy-K oppler @ 3\mod_1232541867468 _21.docx @ 26525 @ @ 1

16 Device Description WAGO-I/O-SYSTEM 750

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

The I/O module 750-461 can be used with all fieldbus couplers/controllers of the

WAGO-I/O-SYSTEM 750 (except for the economy types 750-320, -323, -324

and -327).

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3.1 View

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Figure 1: View

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Table 4: Legend for Figure “View”

Pos.

Description

Details See Section

Marking possibility with Mini-

WSB

---

Status LEDs

“Device Description” > “Display Elements”

Data contacts

“Device Description” > “Connectors”

CAGE CLAMP

connectors

“Device Description” > “Connectors”

Release tab

“Mounting” > ”Inserting and Removing

Devices”

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WAGO-I/O-SYSTEM 750 Device Description 17

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

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3.2 Connectors

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3.2.1 Data Contacts/Local Bus

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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. It is

comprised of 6 data contacts, which are available as self-cleaning gold spring

contacts.

Figure 2: Data Contacts

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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!

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Ensure that the environment is well grounded!

The devices are equipped with electronic components that may be destroyed by

electrostatic discharge. When handling the devices, ensure that the environment

(persons, workplace and packing) is well grounded. Avoid touching conductive

components, e.g. data contacts.

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18 Device Description WAGO-I/O-SYSTEM 750

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

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3.2.2 Power Jumper Contacts/Field Supply

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The I/O module 750-461 has no power jumper contacts.

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3.2.3 CAGE CLAMP

Connectors

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Figure 3: CAGE CLAMP

Connectors

Table 5: Legend for Figure „CAGE CLAMP

Connectors“

Channel

Designation

Connector

Function

+R1

Sensor 1: +R

RL1

Sensor 1: RL

−R1

Sensor 1: −R

Shield

Shield (screen)

+R2

Sensor 2: +R

RL2

Sensor 2: RL

−R2

Sensor 2: −R

Shield

Shield (screen)

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Use shielded signal lines!

Only use shielded signal lines for analog signals and I/O modules which are

equipped with shield clamps. Only then can you ensure that the accuracy and

interference immunity specified for the respective I/O module can be achieved

even in the presence of interference acting on the signal cable.

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WAGO-I/O-SYSTEM 750 Device Description 19

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

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3.3 Display Elements

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Figure 4: Display Elements

Table 6: Legend for Figure “Display Elements”

Channel

LED

State

Function

Off

No operational readiness or the local bus

communication is interrupted

Green

Operational readiness and trouble-free local bus

communication

Off

Normal operation

Red

750-461,

750-461/000-003,

-004, -005, -006, -009

/020-000, 025-000

Overrange/underflow of the

admissible measuring range,

broken wire

750-461/000-200

Overrange of the admissible

measuring range, broken wire

750-461/000-002

Overrange of the admissible

measuring range

750-461/000-007

Overrange of the admissible

measuring range

Off

No operational readiness or the local bus

communication is interrupted

Green

Operational readiness and trouble-free local bus

communication

Off

Normal operation

Red

750-461,

750-461/000-003,

-004, -005, -006, -009

/020-000, 025-000

Overrange/underflow of the

admissible measuring range,

broken wire

750-461/000-200

Overrange of the admissible

measuring range, broken wire

750-461/000-002

Overrange of the admissible

measuring range

750-461/000-007

Overrange of the admissible

measuring range

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20 Device Description WAGO-I/O-SYSTEM 750

750-461 2AI Pt100/RTD

Manual

Version 1.4.1

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3.4 Operating Elements

Pos: 21.21 /Serie 750 (W AGO-I/O-SYSTEM)/Gerätebeschrei bung (alte Struktur) /Bedienelemente/Bedi enelemente I/O-Modu l 75x-xxxx nicht vorhanden @ 4\ mod_1236322031125_21. docx @ 28063 @ @ 1

The I/O module 750-461 has no operating elements.

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3.5 Schematic Diagram

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Figure 5: Schematic Diagram

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