WAGO 2-channel, resistance sensors User manual

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WAGO-I/O-SYSTEM 750

Manual

753-461(/xxx-xxx)

2AI Pt 100/RTD

2-Channel Analog Input Module for RTDs

Version 1.3.0

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2 WAGO-I/O-SYSTEM 750

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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: http://www.wago.com

Technical Support

Phone: +49 (0) 571/8 87 – 5 55

Fax: +49 (0) 571/8 87 – 85 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.

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

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

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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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 WAGO-I/O-SYSTEM 750

in Compliance with Underlying Provisions ....................................... 10

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

2.2 Safety Advice (Precautions) .................................................................... 12

3 Device Description ..................................................................................... 14

3.1 View ........................................................................................................ 15

3.2 Connectors ............................................................................................... 16

3.2.1 Data Contacts/Internal Bus ................................................................. 16

3.2.2 Power Jumper Contacts/Field Supply ................................................ 17

3.2.3 CAGE CLAMP

®

Connectors ............................................................. 17

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 .................................................................................................. 21

3.6.5 Climatic Environmental Conditions ................................................... 22

3.6.6 Connection .......................................................................................... 22

3.7 Approvals ................................................................................................ 23

3.8 Standards and Guidelines ........................................................................ 25

4 Process Image ............................................................................................. 26

4.1 I/O Module with Pt Resistance Sensors .................................................. 26

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

4.2 750-461/003-000 Configurable I/O Module ........................................... 27

5 Mounting ..................................................................................................... 30

5.1 Mounting Sequence ................................................................................. 30

5.2 Inserting and Removing Devices ............................................................ 31

5.2.1 Inserting the I/O Module .................................................................... 31

5.2.2 Removing the I/O Module .................................................................. 32

5.3 I/O Modules with Pluggable Wiring Level (Series 753) ........................ 33

5.3.1 Coding ................................................................................................ 34

5.3.2 Connector Removal ............................................................................ 36

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

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

6 Connect Devices ......................................................................................... 37

6.1 Connecting a Conductor to the CAGE CLAMP

®

................................... 37

6.2 Connection Examples .............................................................................. 38

6.2.1 2 × RTD, 2-Wire Connection ............................................................. 38

6.2.2 2 × RTD, 3-Wire Connection ............................................................. 39

7 Use in Hazardous Environments .............................................................. 40

7.1 Marking Configuration Examples ........................................................... 41

7.1.1 Marking for Europe According to ATEX and IEC-Ex ...................... 41

7.1.2 Marking for America According to NEC 500 .................................... 46

7.2 Installation Regulations ........................................................................... 47

7.2.1 Special Conditions for Safe Use

(ATEX Certificate TÜV 07 ATEX 554086 X) .................................. 48

7.2.2 Special Conditions for Safe Use

(ATEX Certificate TÜV 12 ATEX 106032 X) .................................. 49

7.2.3 Special Conditions for Safe Use

(IEC-Ex Certificate TUN 09.0001 X) ................................................ 50

7.2.4 Special Conditions for Safe Use

(IEC-Ex Certificate IECEx TUN 12.0039 X) .................................... 51

7.2.5 Special Conditions for Safe Use

According to ANSI/ISA 12.12.01 ...................................................... 52

List of Figures ...................................................................................................... 53

List of Tables ........................................................................................................ 54

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

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

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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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 753-461 (2AI Pt

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

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Table 1: Variants

Item number/Variant

Designation

Pt-resistance sensors

753-461

2AI Pt 100/RTD

Operating mode configurable with WAGO-I/O-CHECK

753-461/003-000

2AI Pt100/free configurable

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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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The I/O module 753-461 shall only be installed and operated according to the

instructions in this manual and in the manual for the used fieldbus

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

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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.

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

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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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

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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1.4 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 (.)

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1.5 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]

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10 Important Notes WAGO-I/O-SYSTEM 750

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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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 that serve to increase the efficiency of technical

progress. 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 WAGO-I/O-SYSTEM 750 in Compliance with

Underlying Provisions

Fieldbus couplers, fieldbus 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 programmable

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/controller.

WAGO-I/O-SYSTEM 750 Important Notes 11

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

Appropriate housing (per 94/9/EG) 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.

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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. WAGO

Kontakttechnik GmbH & Co. KG will be exempted from any liability in case of

changes in hardware or software as well as to non-compliant usage of devices.

Please send your request for modified and new hardware or software

configurations directly to WAGO Kontakttechnik GmbH & Co. KG.

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12 Important Notes WAGO-I/O-SYSTEM 750

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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2.2 Safety Advice (Precautions)

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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.

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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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Replace defective or damaged devices!

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

contacts), since the long-term functionality of device/module involved can no

longer be ensured.

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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 soiled contacts using oil-free compressed air or with ethyl alcohol and

leather cloths.

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WAGO-I/O-SYSTEM 750 Important Notes 13

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

Do not use any contact spray!

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

connection with contamination.

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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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14 Device Description WAGO-I/O-SYSTEM 750

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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3 Device Description

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The I/O module 753-461(2AI Pt 100/RTD) 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.

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

required operating mode.

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The default setting is Pt100.

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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.

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

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

automatically by snapping the module onto the rail.

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

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

“Connection Example(s)”.

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

channel.

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

signal is outside the measuring range.

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

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Use a supply module!

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

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

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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.

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The I/O module 753-461 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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WAGO-I/O-SYSTEM 750 Device Description 15

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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3.1 View

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Depiction of the I/O module with 753-110 Connector!

Information on this pluggable connection pertains to the 753-110 Connector,

which is not included with the I/O module.

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Figure 1: View

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Table 4: 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

CAGE CLAMP

®

connectors

“Device Description” > “Connectors”

5

Pull tab

“Mounting” > “I/O Modules with

Pluggable Wiring Level (Series 753)”

6

Coding possibility with coding

fingers

“Mounting” > “Coding”

7

Test port

---

8

Fixing lug for cable ties

“Mounting” > “I/O Modules with

Pluggable Wiring Level (Series 753)”

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16 Device Description WAGO-I/O-SYSTEM 750

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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3.2 Connectors

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3.2.1 Data Contacts/Internal 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 internal 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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WAGO-I/O-SYSTEM 750 Device Description 17

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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3.2.2 Power Jumper Contacts/Field Supply

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The I/O module 753-461 has no power jumper contacts.

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3.2.3 CAGE CLAMP

®

Connectors

Pos: 20.15 /Serie 753 (W AGO-I/O-SYSTEM)/Hinweise zur Dokume ntation/Hinweis zum Zubeh örteil 753-110 @ 20\mod_ 1411023611789_21.doc x @ 163868 @ @ 1

Depiction of the I/O module with 753-110 Connector!

Information on this pluggable connection pertains to the 753-110 Connector,

which is not included with the I/O module.

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Figure 3: CAGE CLAMP

®

Connectors

Table 5: Legend for Figure „CAGE CLAMP

®

Connectors“

Channel

Designation

Connector

Function

1

+R1

1

Sensor 1: +R

RL1

2

Sensor 1: RL

−R1

3

Sensor 1: −R

S

4

Shield (screen)

2

+R2

5

Sensor 2: +R

RL2

6

Sensor 2: RL

−R2

7

Sensor 2: −R

S

8

Shield (screen)

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18 Device Description WAGO-I/O-SYSTEM 750

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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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

1

A

Off

No operational readiness or the internal data bus

communication is interrupted

Green

Operational readiness and trouble-free internal data bus

communication

B

Off

Normal operation

Red

Overrange/underflow of the admissible measuring

range, broken wire

2

C

Off

No operational readiness or the internal data bus

communication is interrupted

Green

Operational readiness and trouble-free internal data bus

communication

D

Off

Normal operation

Red

Overrange/underflow of the admissible measuring

range, broken wire

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20 Device Description WAGO-I/O-SYSTEM 750

753-461 2AI Pt 100/RTD

Manual

Version 1.3.0

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3.4 Operating Elements

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The I/O module 753-461 has no operating elements.

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3.5 Schematic Diagram

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Figure 5: Schematic Diagram

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