WAGO 2-channel, 4-20mA, diff. User manual

Brand: WAGO

Model: 2-channel, 4-20mA, diff.

Type: User manual

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WAGO-I/O-SYSTEM 750

Manual

750-454(/xxx-xxx)

2AI 4-

20 mA, Differential Inputs

2-Channel Analog Input Module 0/4-

20 mA;

Differential inputs

Version 1.2.0

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2 WAGO-I/O-SYSTEM 750

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

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 Lis te f ür T e xtmar ke Einband_vorne ===

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

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

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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 CAGE CLAMP

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

3.3 Display Elements .................................................................................... 18

3.4 Schematic Diagram ................................................................................. 19

3.5 Technical Data ........................................................................................ 20

3.5.1 Device Data ........................................................................................ 20

3.5.2 Supply ................................................................................................. 20

3.5.3 Communication .................................................................................. 20

3.5.4 Inputs .................................................................................................. 20

3.5.5 Connection Type ................................................................................ 20

3.5.6 Climatic Environmental Conditions ................................................... 21

3.6 Approvals ................................................................................................ 22

3.7 Standards and Guidelines ........................................................................ 25

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

4.1 Standard Data Format ............................................................................. 27

4.2 Special Data Format ................................................................................ 28

5 Mounting ..................................................................................................... 31

5.1 Mounting Sequence ................................................................................. 31

5.2 Inserting and Removing Devices ............................................................ 32

5.2.1 Inserting the I/O Module .................................................................... 32

5.2.2 Removing the I/O Module .................................................................. 33

6 Connect Devices ......................................................................................... 34

6.1 Connecting a Conductor to the CAGE CLAMP

................................... 34

6.2 Connection Examples .............................................................................. 35

7 Use in Hazardous Environments .............................................................. 36

7.1 Marking Configuration Examples ........................................................... 37

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

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

7.1.1 Marking for Europe According to ATEX and IEC-Ex ...................... 37

7.1.2 Marking for America According to NEC 500 .................................... 42

7.2 Installation Regulations ........................................................................... 43

7.2.1 Special Conditions for Safe Use (ATEX Certificate TÜV 07 ATEX

554086 X) ........................................................................................... 44

7.2.2 Special Conditions for Safe Use (ATEX Certificate TÜV 12 ATEX

106032 X) ........................................................................................... 45

7.2.3 Special Conditions for Safe Use (IEC-Ex Certificate TUN 09.0001 X)46

7.2.4 Special Conditions for Safe Use (IEC-Ex Certificate IECEx TUN

12.0039 X) .......................................................................................... 47

7.2.5 Special Conditions for Safe Use According to ANSI/ISA 12.12.01 .. 48

List of Figures ...................................................................................................... 49

List of Tables ........................................................................................................ 50

=== Ende der Lis te f ür T e xtmar ke V erz eic hnis _vor ne == =

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

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

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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 750-454 (2AI 4-20 mA,

Differential Inputs) and the variants listed in the table below.

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Table 1: Variants

Item Number/Variant

Designation

750-454

2AI 4-20 mA, Differential Inputs

750-454/000-001

2 AI (4-20mA) Differential Inputs, RC low pass 5 Hz

750-454/000-002

2 AI (4-20mA) Differential Inputs, special data format

750-454/000-003

2 AI (4-20mA) Differential Inputs, Diagnosis for

extended measuring range

750-454/000-200

2 AI (4-20mA) Differential Inputs with Siemens (S5-FB

250)

750-454/025-000

2 AI (4-20mA) Differential Inputs,

Operating temperature - 20 °C … + 60 °C

750-454/025-003

2 AI (4-20mA) Differential Inputs, Diagnosis for

extended measuring range,

Operating temperature - 20 °C … + 60 °C

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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 750-454 shall only be installed and operated according to the

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

coupler/controller.

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

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

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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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

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

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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

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

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

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

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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 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

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

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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

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

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

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

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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.

Pos: 17.1 1. 4 /Al le S eri en ( Allg em ein e Do ku ment e) (Al lg em eine M o dul e)/ Wich tig e Erl äuter u ngen /Sic h erhei ts hinw eise /Ac htu ng/A cht ung : K ein K ont a ktspra y verw end en! @ 6\ mod_1260181290808_21.docx @ 46755 @ @ 1

WAGO-I/O-SYSTEM 750 Important Notes 13

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

Do not use any contact spray!

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

connection with contamination.

Pos: 17.1 1. 5 /Al le S eri en ( Allg em ein e Do ku ment e) (Al lg em eine M o dul e)/ Wich tig e Erl äuter u ngen /Sic h erhei ts hinw eise /Ac htu ng/A cht ung : V erpol ung ver mei den! @ 6\mod_1260184045744_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.

Pos: 17.1 1. 6 /Al le S eri en ( Allg em ein e Do ku ment e) (Al lge meine M odul e)/Wic htig e Erläuter ung en/Sic herh eits hinwei se/Ac htung /Acht ung: El ektr ostatis che Entl adu ng verm eide n! @ 6\mod_1260181364729_21.docx @ 46759 @ @ 1

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.

Pos: 18 /Doku ment ation all gemei n/Gli eder ungsel eme nte/---Seit en wechs el--- @ 3\mod_1221108045078_0.docx @ 21810 @ @ 1

14 Device Description WAGO-I/O-SYSTEM 750

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

Pos: 19 /A ll e Ser ien (Al lg emei ne M od ule)/ Üb ers chrif te n für al le S eri en/G erä teb esc hrei bu ng/G erä tebe schr eib ung - Üb ersc hri ft 1 @ 3\ mod_1233756084656_21.docx @ 27096 @ 1 @ 1

3 Device Description

Pos: 20.1 /Serie 750 (WAGO-I/O-SYSTEM)/Gerätebeschreibung/Einleitung/Anwendung/AI/Anwendung 750-04xx AI Diff (4.. .20mA) @ 5\mod_1246011539224_21.docx @ 36210 @ @ 1

The Analog Input Module 750-454 (2AI 4-20 mA, Differential Inputs) processes

differential signals with the norm value of 4 ... 20 mA.

Pos: 20.2 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Ei nlei tu ng/I/ O-Bes chr eibu ng/ AI/I /O-Bes chr eibung 750-04 xx 2 AI D if f-Sig nale ü ber +AI 1 und -AI1, +AI 2 und - AI2 @ 5\mod_1246364182927_21.docx @ 36350 @ @ 1

The I/O module has 2 input channels for differential signals. The sensors may be

received via the CAGE CLAMP

connectors +AI 1 and -AI 1 or +AI 2 and –AI 2.

Pos: 20.3 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Ei nlei tu ng/I/ O-B eschr ei bung/ AI/I /O- Beschr eib ung 750- 04xx AI Gem eins am es M ass epot ent ial und Sc hir mansc hlu ss @ 5 \mod_1246367616866_21.docx @ 36357 @ @ 1

The input channels have a common ground and a shield connection.

Pos: 20.4 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Ei nlei tu ng/I/ O-B eschr ei bung/ AI/I /O- Beschr eib ung 750- 04xx AI Schir mansc hluss K onta kt mit Tr agschi ene @ 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: 20.5 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Ei nlei tu ng/I/ O-B esc hrei bung /Al lg emei n/Ver wei s a uf K api tel "A nschlüs se" @ 8\ mod_1276775378035_21.docx @ 57956 @ @ 1

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

Pos: 20.6 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Ei nlei tu ng/I/ O-B esc hrei bung /Al lg emei n/Ver wei s a uf K api tel "G erät e anschli eß en" > "Ansc hlus sbeis piel(e) " @ 5\mod_1246015203281_21.docx @ 36298 @ @ 1

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

“Connection Example(s)”.

Pos: 20.7 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Ei nlei tu ng/F unk tion/ Gal vanis ch e Tr en nung Eing ang ssi gn al/ Syst eme ben e ( 12 Bit ) @ 6\ mod_1255353269263_21.docx @ 42550 @ @ 1

The input signal is electrically isolated and is transmitted with a resolution of

12 bits.

Pos: 20.8 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Ei nlei tu ng/L ED-A nzeig e/LED Zustan d Betri eb und Kl emmen bus-K ommu nikati on @ 5\mod_1247054901573_21.docx @ 36892 @ @ 1

The operational readiness and the trouble-free internal data bus communication of

the channels are indicated via a green function LED.

Pos: 20.9 /Serie 750 (WAGO-I/O-SYST EM)/ Ger äteb esc hrei bung /Ei nlei tung /LED -Anz eig e/LE D F ehl er D ra htbr uch/ Ber eich sü ber -/unt erschr eit ung @ 7\mod_1274363504640_21.docx @ 56902 @ @ 1

A red fault LED per channel indicates a wire break or that the signal is outside the

measuring range.

Pos: 20.1 0 / Ser ie 7 50 ( WAG O-I/ O-SYST EM)/ Gerät ebesc hreib ung/ Einlei tung/ Versor gung /An ordnung unter Ber üc ksichti gung der Leis tungs konta kte beli ebig @ 3\mod_1233756233468_21.docx @ 27099 @ @ 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: 20.1 1 / Ser ie 7 50 ( WAG O-I/ O-SYST EM)/ Wic htig e Er läu ter ung en/S ic herhei ts - un d so nsti ge Hin weis e/H inw eis/H i nweis : P ote nti alein sp eis ekle mm e eins etz en! (k ein e L K) @ 3\mod_1226499089640_21.docx @ 25026 @ @ 1

Use a supply module!

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

Pos: 20.1 2 / Ser ie 7 50 ( WAG O-I/ O-SYST EM )/G erät ebe schr eib ung /Ei nlei tung /V ersor gu ng/S p ann ungs vers orgu ng aus Sys te mspa nnu ng @ 5\mod_1247116433759_21.docx @ 36920 @ @ 1

Power to the internal electronics is supplied via internal data bus.

Pos: 20 .13 /S erie 750 ( WAG O-I/ O-SYST EM)/G erät ebesc hreib ung/Ei nleit ung/ Einsa tzber eich/ Einsa tzber eich 7 50-xxxx all e K oppl er/C o ntroll er oh ne Ec ono my- Kop pler @ 3\mod_1232541867468_21.docx @ 26525 @ @ 1

The I/O module 750-454 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).

Pos: 21 /Doku ment ation all gemei n/Gli eder ungsel eme nte/---Seit en wechs el--- @ 3\mod_1221108045078_0.docx @ 21810 @ @ 1

WAGO-I/O-SYSTEM 750 Device Description 15

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

Pos: 22 /Alle Ser ien ( All ge mein e Mo dul e)/Ü ber schr if ten f ür alle Ser ie n/Ger äte bes chr eib ung /Ansi cht - Ü bers chri ft 2 @ 4 \mod_1240984217343_21.docx @ 31958 @ 2 @ 1

3.1 View

Pos: 23 /S eri e 7 50 ( WA GO-I/ O-SYST EM)/ Gerät ebesc hrei bung/A nsic ht/A nalogei nga ngskle mmen/ Ansic ht 750-0454 @ 16\mod_1375791144435_21.docx @ 128051 @ @ 1

Figure 1: View

Pos: 24 /S eri e 7 50 ( WA GO-I/ O-SYST EM)/ Gerät ebesc hrei bung/A nsic ht/A nsicht C ageCl amp® _Leg ende mit LED s_ohne Leistungskontakte @ 16\mod_1371816091053_21.docx @ 124052 @ @ 1

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”

Pos: 25 /D o kume nt ation all ge mein/ Glie der ungs ele mente /---Seit en wechs el--- @ 3\mod_1221108045078_0.docx @ 21810 @ @ 1

16 Device Description WAGO-I/O-SYSTEM 750

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

Pos: 26 /A ll e Ser ien (Al lg emei ne M od ule)/ Üb ers chrif te n für al le S eri en/G erä teb esc hrei bu ng/A nsc hlüs se - Über schri ft 2 @ 4\mod_1240984262656_21.docx @ 31961 @ 2 @ 1

3.2 Connectors

Pos: 27 /S eri e 7 50 ( WA GO-I/ O-SYST EM) /Ger ät ebesc hrei bu ng/A nsc hlüss e/D ate nko ntakt e/Kl em menbu s - Ü bersc hrift 3 @ 6\mod_1256294684083_21.docx @ 43660 @ 3 @ 1

3.2.1 Data Contacts/Internal Bus

Pos: 28.1 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Anschlüsse/Datenkontakte - Feld bus koppl er/-c ont roll er, Ab bild ung und Bes chr ei bung @ 3 \mod_1231771259187_21.docx @ 26002 @ @ 1

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

Pos: 28.2 /Serie 750 (WAGO-I/O-SYST EM)/ Wic htige Erl äuter unge n/Sic herhei ts- u nd so nsti g e Hin weis e/ Acht ung /Ach tu ng: Buskl e mmen nic ht auf Gol dfe der konta kt e leg en! @ 7 \mod_1266318463636_21.docx @ 50695 @ @ 1

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!

Pos: 28.3 /Serie 750 (WAGO-I/O-SYST EM)/ Wic htige Erl äuter unge n/Sic herhei ts- und sonstige Hinweise/Achtung/Achtung: ESD - Auf g ute Erd ung der U mg ebu ng ac ht en! @ 7\ mod_1266318538667_21.docx @ 50708 @ @ 1

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.

Pos: 29 /Doku ment ation all gemei n/Gli eder ungsel eme nte/---Seit en wechs el--- @ 3\mod_1221108045078_0.docx @ 21810 @ @ 1

WAGO-I/O-SYSTEM 750 Device Description 17

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

Pos: 30 /S eri e 7 50 ( WA GO-I/ O-SYST EM) /G erät eb esc hrei bung /Ans chl üss e/C AGE CL AMP- Ans chlüs se - Ü ber schr ift 3 @ 6 \mod_1256296337770_21.docx @ 43674 @ 3 @ 1

3.2.2 CAGE CLAMP

Connectors

Pos: 31 /S eri e 7 50 ( WA GO-I/ O-SYST EM) /G erät eb esc hrei bung /Ans chl üss e/A nal ogei ng ang skle mm en/A nsc hlü sse 7 50- 045 2, -0 454, - 045 6 @ 16\mod_1375792326381_21.docx @ 128055 @ @ 1

Figure 3: CAGE CLAMP

Connectors

Table 5: Legend for Figure “CAGE CLAMP

Connectors”

Channel

Designation

Connector

Function

+AI 1

Input +AI 1, Differential input +

−AI 1

Input −AI 1, Differential input −

Common

(ground)

3 Ground of the analog input circuit

Shield

+AI 2

Input +AI 2, Differential input +

−AI 2

Input −AI 2, Differential input −

Common

(ground)

7 Ground of the analog input circuit

Shield

Pos: 32 /D o kume nt ation all ge mein/ Glie der ungs ele mente /---Seit en wechs el--- @ 3\mod_1221108045078_0.docx @ 21810 @ @ 1

18 Device Description WAGO-I/O-SYSTEM 750

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

Pos: 33 /A ll e Ser ien (Al lg emei ne M od ule)/ Üb ers chrif te n für al le S eri en/G erä teb esc hrei bu ng/A nzei geel e ment e - Ü bersc hrift 2 @ 4\ mod_1240984390875_21.docx @ 31964 @ 2 @ 1

3.3 Display Elements

Pos: 34 /S eri e 7 50 ( WA GO-I/ O-SYST EM)/ Gerät ebesc hrei bung/A nzei geele mente /Anal ogei ngang sklem men/A nzeig eele mente 7 50-0466 , - 0454, -0492 @ 10\mod_1298880287758_21.docx @ 70301 @ @ 1

Figure 4: Display Elements

Table 6: Legend for Figure “Display Elements”

Channel Designation LED State Function

Function

AI 1

Off

Not ready for operation or no or

disturbed internal bus communication

Green

Operational readiness and trouble-free

internal data bus communication

Error

AI 1

Off

Normal operation

Red

Overrange/underrange of the

admissible measuring range, broken

wire

Function

AI 2

Off

Not ready for operation or no or

disturbed internal bus communication

Green

Operational readiness and trouble-free

internal data bus communication

Error

AI 2

Off

Normal operation

Red

Overrange/underrange of the

admissible measuring range, broken

wire

Pos: 35 /Doku ment ation all gemei n/Gli eder ungsel eme nte/---Seit en wechs el--- @ 3\ mod_1221108045078_0.docx @ 21810 @ @ 1

WAGO-I/O-SYSTEM 750 Device Description 19

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

Pos: 36 /A ll e Ser ien (Al lg emei ne M od ule)/ Üb ers chrif te n für al le S eri en/G erä teb esc hrei bu ng/Sc he mati sch es S ch altbi ld - Über schr ift 2 @ 4\mod_1240984441312_21.docx @ 31967 @ 2 @ 1

3.4 Schematic Diagram

Pos: 37 /S eri e 750 (WAGO-I/O-SYST EM )/ Ger äteb esc hrei bung /S che mati sc he Sc hal tbil der/ A nalog eing ang skl em men/ Sc hem atisc hes Sc halt bil d 7 50-0 454 @ 16\mod_1375794170391_21.docx @ 128060 @ @ 1

Figure 5: Schematic Diagram

Pos: 38 /Doku ment ation all gemei n/Gli eder ungsel eme nte/---Seit en wechs el--- @ 3\mod_1221108045078_0.docx @ 21810 @ @ 1

20 Device Description WAGO-I/O-SYSTEM 750

750-454 2AI 4-20 mA, Differential Inputs

Manual

Version 1.2.0

Pos: 39 /A ll e Ser ien (Al lg emei ne M od ule)/ Üb ers chrif te n für al le S eri en/G erä teb esc hrei bu ng/Te ch nisc he D ate n - Ü ber schri ft 2 @ 3\mod_1232967587687_21.docx @ 26924 @ 2 @ 1

3.5 Technical Data

Pos: 40.1 /Serie 750 (WAGO-I/O-SYST EM )/ Ger äteb esc hrei bung /T echni sc he D ate n/A nal ogei ng angs kle mme n/Tec hni sch e D aten 75 0-0 454 - G erät ed ate n @ 2 1\mod_1423556603893_21.docx @ 173978 @ 3 @ 1

3.5.1 Device Data

Table 7: Technical Data ‒ Device

Width

12 mm

Height (from upper edge of 35 DIN rail)

64 mm

Depth

100 mm

Weight

Approx. 51 g

Pos: 40.2 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/T ech nisc he Da ten/ A nalog eing ang s kle mmen/T ec hnis ch e D aten 75 0-045 4 - Versorgung @ 16\mod_1375795159743_21.docx @ 128064 @ 3 @ 1

3.5.2 Supply

Table 8: Technical Data ‒ Supply

Voltage supply

Via system voltage internal bus DC/DC

Current consumption (5 VDC system

voltage)

typ.

70 mA

Isolation (peak value)

500 V system/supply

Pos: 40.3 /Serie 750 (WAGO-I/O-SYST EM )/ Ger äteb esc hrei bung /T echni sc he D ate n/A nal ogei ng angs kle mme n/Tec hni sch e D aten 75 0-0 454, -046 5, -0 466, - 046 7 - Kommunikation @ 16\mod_1373360339835_21.docx @ 125852 @ 3 @ 1

3.5.3 Communication

Table 9: Technical Data ‒ Communication

Internal bit width (internal bus)

2-Channel operation

2 × 16 bits data

2 × 8 bits control/status (optional)

Pos: 40.4 /Serie 750 (WAGO-I/O-S YST EM) /Ger äte bes chr ei bung /T echni sc he Da te n/A nal ogeing ang s kle mmen/ Tec hnis ch e D aten 75 0-045 4 - Ei ng äng e @ 1 6\mod_1376302483088_21.docx @ 128413 @ 3 @ 1

3.5.4 Inputs

Table 10: Technical Data ‒ Inputs

Number of inputs

Sensor connection

4-wire (differential inputs, external

transducer supply is necessary)

Conversion time

2 ms

Resolution

12 bits

Measurement deviation at 25°C

≤ ±0,2 % of full scale value

Temperature coefficient

< ±0,01 %/K of full scale value

Common mode voltage

max.

35 VDC

Signal current

4 mA ... 20 mA

Input resistance

typ.

< 220 Ω at 20 mA

Pos: 40 .5.1 /Al le Seri en (All gemei ne Mod ule)/Ü bers chrift en für al le Ser ien/G eräte beschr eibu ng/Ans chlus stec hnik - Üb ers chri ft 3 @ 17\mod_1380123271324_21.docx @ 132788 @ 3 @ 1

3.5.5 Connection Type

Pos: 40.5 .2 /Ser ie 7 50 ( WAG O-I/ O-SYST EM )/G erä teb esc hrei bu ng/T ech nisc he D ate n/T echni s che D at en V erdr ah tung seb ene C C - 0,08 bis 2,5mm2 @ 17\mod_1380121238809_21.docx @ 132780 @ @ 1

Table 11: Technical Data – Field Wiring

Wire connection

CAGE CLAMP

Cross section

0.08 mm² … 2.5 mm², AWG 28 … 14

Stripped lengths

8 mm … 9 mm / 0.33 in

Pos: 40.5 .3 /Ser ie 7 50 ( WAG O-I/ O-SYST EM )/G eräte bes chr eibu ng/T ech nisc he D ate n/An schl uss tec hni k/T ec hnisc he D at en D ate nkont a kte @ 1 7\mod_1380123495844_21.docx @ 132794 @ @ 1

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WAGO 2-channel, 4-20mA, diff. User manual

WAGO 2-channel, 4-20mA, diff. User manual

WAGO 2-channel, 4-20mA, diff. User manual

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