WAGO 750-454 Manuale utente

Fieldbus Independent

I/O Modules

2 AI 4-20 mA, Differential Inputs

750-454

Manual

Version 1.0.2

ii • General

WAGO-I/O-SYSTEM 750

I/O Modules

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 correctness and com-

pleteness of this documentation. However, as errors can never be fully ex-

cluded, we would appreciate any information or ideas at any time.

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 trademark or patent protected.

Content • iii

WAGO-I/O-SYSTEM 750

I/O Modules

Content

1Important Comments ................................................................................. 4

1.1 Legal Principles........................................................................................4

1.1.1 Copyright.............................................................................................4

1.1.2 Personnel Qualification .......................................................................4

1.1.3 Intended Use ........................................................................................ 4

1.2 Symbols.................................................................................................... 5

1.3 Number Notation......................................................................................5

1.4 Safety Notes ............................................................................................. 6

1.5 Scope ........................................................................................................6

2I/O Modules ................................................................................................. 7

2.1 Digital Output Modules............................................................................7

2.1.1 750-454 [2 AI 4-20 mA, Differential Inputs]......................................7

2.1.1.1 View................................................................................................7

2.1.1.2 Variations........................................................................................7

2.1.1.3 Description......................................................................................8

2.1.1.4 Display Elements ............................................................................9

2.1.1.5 Schematic Diagram.........................................................................9

2.1.1.6 Technical Data ..............................................................................10

2.1.1.7 Process Image ...............................................................................11

2.1.1.7.1 Standard Data Format ...................................................................12

2.1.1.7.2 Special Data Format......................................................................13

4 • Important Comments

Legal Principles

WAGO-I/O-SYSTEM 750

I/O Modules

1 Important Comments

To ensure fast installation and start-up of the units described in this manual,

we strongly recommend that the following information and explanations are

carefully read and abided by.

1.1 Legal Principles

1.1.1 Copyright

This manual is copyrighted, together with all figures and illustrations

contained therein. Any use of this manual which infringes the copyright

provisions stipulated herein, is not permitted. Reproduction, translation and

electronic and photo-technical archiving and amendments require the written

consent of WAGO Kontakttechnik GmbH & Co. KG. Non-observance will

entail the right of claims for damages.

WAGO Kontakttechnik GmbH & Co. KG reserves the right to perform

modifications allowed by technical progress. In case of grant of a patent or

legal protection of utility patents all rights are reserved by WAGO

Kontakttechnik GmbH & Co. KG. Products of other manufacturers are always

named without referring to patent rights. The existence of such rights can

therefore not be ruled out.

1.1.2 Personnel Qualification

The use of the product detailed in this manual is exclusively geared to

specialists having qualifications in PLC programming, electrical specialists or

persons instructed by electrical specialists who are also familiar with the valid

standards. WAGO Kontakttechnik GmbH & Co. KG declines all liability

resulting from improper action and damage to WAGO products and third party

products due to non-observance of the information contained in this manual.

1.1.3 Intended Use

For each individual application, the components supplied are to work with a

dedicated hardware and software configuration. Modifications are only

permitted within the framework of the possibilities documented in the

manuals. All other changes to the hardware and/or software and the non-

conforming use of the components entail the exclusion of liability on part of

WAGO Kontakttechnik GmbH & Co. KG.

Please direct any requirements pertaining to a modified and/or new hardware

or software configuration directly to WAGO Kontakttechnik GmbH & Co.

KG.

Important Comments • 5

Symbols

WAGO-I/O-SYSTEM 750

I/O Modules

1.2 Symbols

Danger

Always abide by this information to protect persons from injury.

Warning

Always abide by this information to prevent damage to the device.

Attention

Marginal conditions must always be observed to ensure smooth operation.

ESD (Electrostatic Discharge)

Warning of damage to the components by electrostatic discharge. Observe

the precautionary measure for handling components at risk.

Note

Routines or advice for efficient use of the device and software optimization.

More information

References on additional literature, manuals, data sheets and INTERNET

pages

1.3 Number Notation

Number Code Example Note

Decimal 100 normal notation

Hexadecimal 0x64 C notation

Binary '100'

'0110.0100'

Within ',

Nibble separated with dots

6 • Important Comments

Safety Notes

WAGO-I/O-SYSTEM 750

I/O Modules

1.4 Safety Notes

Warning

Switch off the system prior to working on bus modules!

In the event of deformed contacts, the module in question is to be replaced, as

its functionality can no longer be ensured on a long-term basis.

The components are not resistant against materials having seeping and

insulating properties. Belonging to this group of materials is: e.g. aerosols,

silicones, triglycerides (found in some hand creams).

If it cannot be ruled out that these materials appear in the component

environment, then additional measures are to be taken:

- installation of the components into an appropriate enclosure

- handling of the components only with clean tools and materials.

Attention

Cleaning of soiled contacts may only be done with ethyl alcohol and leather

cloths. Thereby, the ESD information is to be regarded.

Do not use any contact spray. The spray may impair the functioning of the

contact area.

The WAGO-I/O-SYSTEM 750 and its components are an open system. It

must only be assembled in housings, cabinets or in electrical operation

rooms. Access must only be given via a key or tool to authorized qualified

personnel.

The relevant valid and applicable standards and guidelines concerning the

installation of switch boxes are to be observed.

ESD (Electrostatic Discharge)

The modules are equipped with electronic components that may be destroyed

by electrostatic discharge. When handling the modules, ensure that the

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

touching conductive components, e.g. gold contacts.

1.5 Scope

This manual describes the Analog Input Module 750-454

2 AI 4-20 mA, Differential Inputs of the modular WAGO-I/O-SYSTEM 750.

Handling, assembly and start-up are described in the manual of the Fieldbus

Coupler. Therefore this documentation is valid only in the connection with the

appropriate manual.

750-454 [2 AI 4-20 mA, Differential Inputs] • 7

View

WAGO-I/O-SYSTEM 750

I/O Modules

2 I/O Modules

2.1 Digital Output Modules

2.1.1 750-454 [2 AI 4-20 mA, Differential Inputs]

2-Channel Analog Input Module (4-20mA, differential inputs)

2.1.1.1 View

+E1 +E2

13 14

-E1 -E2

750-454

+AI 2

Data contacts

Function AI 2

-AI 2

Common

(ground)

Common

(ground)

Function AI 1

+AI 1

-AI 1

Error AI 2

Error AI 1

Shield

(screen)

Shield

(screen)

Fig. 2.1.1-1: 2-Channel Analog Input Module 750-454 g045400e

2.1.1.2 Variations

Item-No. Designation Description

750-454 2 AI (4-20mA)

differential inputs

2-Channel Analog Input Module, 4-20mA,

differential inputs

750-454/000-001 2 AI (4-20mA)

differential inputs,

RC low-pass

2-Channel Analog Input Module, 4-20mA,

differential inputs with RC low-pass

750-454/000-002 2 AI (4-20mA)

differential inputs,

special data format

2-Channel Analog Input Module, 4-20mA,

differential inputs with special data format

750-454/000-200

2 AI (4-20mA)

differential inputs

with Siemens

(S5-FB 250)

2-Channel Analog Input Module, 4-20mA,

differential inputs, adapted data format for

S5-control systems with the use of function

block FB 250

8 • 750-454 [2 AI 4-20 mA, Differential Inputs]

Description

WAGO-I/O-SYSTEM 750

I/O Modules

2.1.1.3 Description

The analog input module and its variations receives signals with standardized

values of 4-20 mA.

The module has two differential input channels and can receive differential

signals via the connections +AI 1 and -AI 1 or +AI 2 and -AI 2.

The input channels of a module have a common ground and a shield (screen)

connection (S). The Shield (sreen) is directly connected to the DIN rail. A

capacitive connection is made automatically when snapped onto the DIN rail.

The input signal of each channel is electrically isolated and will be transmitted

with a resolution of 12 bits.

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

the channels are indicated via a green Function LED. Broken wire, overrange

or underflow of the measuring range is indicated via a red error LED.

Any configuration of the input modules is possible when designing the

fieldbus node. Grouping of module types is not necessary.

The voltage supply is done via system voltage.

Attention

This module has no power contacts. For field supply to downstream I/O

modules, a supply module will be needed.

The analog input module 750-454 and its variations can be used with all

couplers/controllers of the WAGO-I/O-SYSTEM 750 (except for the economy

types 750-320, -323, -324 and -327).

750-454 [2 AI 4-20 mA, Differential Inputs] • 9

Display Elements

WAGO-I/O-SYSTEM 750

I/O Modules

2.1.1.4 Display Elements

LED Channel Meaning State Function

off

No operational readiness or the

internal data bus communication is

interrupted

green

Function

AI 1

Operational readiness and trouble-

free internal data bus

communication

off Normal operation

red

Error

AI 1 on Broken wire, overrange/underflow

of the admissible measuring range

off

No operational readiness or the

internal data bus communication is

interrupted

green

Function

AI 2

Operational readiness and trouble-

free internal data bus

communication

off Normal operation

13 14

Fig. 2.1.1-2: Display

Elements g041802x

red

Error

AI 2 on Broken wire, overrange/underflow

of the admissible measuring range

2.1.1.5 Schematic Diagram

Common

(ground)

Common

(ground)

Shield

(screen)

+AI 1 +AI 2

-AI 2

-AI 1

+Al

-AI

10nF

270pF 270pF

DLogic

Function

Error

Shield

(screen)

750-454

Fig. 2.1.1-3: 2-Channel Analog Input Module 750-454 g045401e

10 • 750-454 [2 AI 4-20 mA, Differential Inputs]

Technical Data

WAGO-I/O-SYSTEM 750

I/O Modules

2.1.1.6 Technical Data

Module Specific Data

Number of inputs 2

Voltage supply via system voltage DC /DC

Current consumption typ. (internal) 70 mA

Common mode voltage max. 35 V

Signal current 4 mA... 20 mA

Input resistance <220 Ωat 20 mA

Resolution 12 bits

Conversion time typ. 2 ms

Measuring error 25°C <±0,2 % of full scale value

Temperature coefficient <±0,01 % /K of full scale value

Isolation 500 V (Field/System)

Bit width 2 x 16 bits data

2 x 8 bits control/status (option)

Dimensions (mm) W x H x L 12 x 64* x 100

* from upper edge of 35 DIN rail

Weight ca. 55 g

Standards and Regulations (cf. Chapter 2.2 of the Coupler/Controller Manual)

EMC-Immunity to interference (CE) acc. to EN 50082-2 (96)

EMC-Emission of interference (CE) acc. to EN 50081-1 (93)

EMC-Immunity to interference

(Ship building)

acc. to Germanischer Lloyd (97)

EMC-Emission of interference

(Ship building)

acc. to Germanischer Lloyd (97)

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