WAGO WAGO-I/O-SYSTEM750 Series Manual de usuario

Fieldbus Independent

I/O Modules

2 AO 4-20 mA

750-554

Manual

Version 1.0.3

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 Analog Output Modules ........................................................................... 7

2.1.1 750-554 [2 AO 4-20 mA] ....................................................................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 Format ....................................................................... 12

2.1.1.7.2 Special Formats ........................................................................ 12

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 inverted commas,

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 Output Module 750-554

2 AO 4-20 mA 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.

750-554 [2 AO 4-20 mA] • 7

View

WAGO-I/O-SYSTEM 750

I/O Modules

2 I/O Modules

2.1 Analog Output Modules

2.1.1 750-554 [2 AO 4-20 mA]

2-Channel Analog Output Module 4-20 mA

2.1.1.1 View

A1 A2

13 14

0V 0V

750-554

AO 2

Leistungskontakte

Datenkontakte

Funktion AO 2

24V

Funktion AO 1

AO 1

Schirm Schirm

Fig. 2.1.1-1: 2-Channel Analog Output Module 750-554 g055400e

2.1.1.2 Variations

Item-No.: Designation Description

750-554 2 AO (4-20mA) 2-Channel Analog Output Module , 4-20mA

750-554/000-200 2 AO (4-20mA)

with Siemens

(S5-FB 251)

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

adapted data format for S5-control systems

with the use of function block FB 251

8 • 750-554 [2 AO 4-20 mA]

Description

WAGO-I/O-SYSTEM 750

I/O Modules

2.1.1.3 Description

The analog output module 750- and its variation create a standardized signal

of 4-20 mA.

The module has two output channels and enables, for example, the direct

wiring of two 2-conductor actuators to the connections AO 1 and 0V or AO 2

and 0V. The signals are transmitted via AO 1 or AO 2.

The channels have a common ground and a shield (screen) (S). The shield

(screen) is directly connected to the DIN rail. A capacitive connection is made

automatically when snapped onto the DIN rail.

The input signal is electrically isolated and will be transmitted with a

resolution of 12 bits.

The operational readiness and the trouble-free internal data bus

communication of the channels are indicated via a green function LED.

Any configuration of the output modules is possible when designing the

fieldbus node. Grouping of module types is not necessary.

The voltage supply is done via the field supply.

The field side supply voltage of 24 V for the output module is derived from an

adjacent I/O module or from a supply module. A capacitive connection of the

supply potential to the adjacent I/O modules is made automatically via the

internal power contacts when snapping the output modules.

Warning

The maximum current of the internal power jumper contacts is 10 A. When

configuring the system it is important not to exceed the maximum/sum

current. However, if such a case should occur, another supply module must be

added.

Note

Use an appropriate supply module (e.g. 750-602) if an electrically isolated

voltage supply is required!

The analog output module 750-554 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).

750-554 [2 AO 4-20 mA] • 9

Display Elements

WAGO-I/O-SYSTEM 750

I/O Modules

2.1.1.4 Display Elements

LED Channel Designation State Function

off

No operational readiness or

the internal data bus

communication is interrupted

green 1 Function

AO 1

Operational readiness and

trouble-free internal data bus

communication

off

No operational readiness or

the internal data bus

communication is interrupted

13 14

Fig. 2.1.1-2: Display

elements g055202x

green 2 Function

AO 2

Operational readiness and

trouble-free internal data bus

communication

2.1.1.5 Schematic Diagram

AO 1 AO 2

24V 24V

Schirm

10nF

270pF 10nF 10nF

Logik

Schirm

Funktion

750-554

Fig. 2.1.1-3: 2-Channel Analog Output Module 750-554 g055401e

10 • 750-554 [2 AO 4-20 mA]

Technical Data

WAGO-I/O-SYSTEM 750

I/O Modules

2.1.1.6 Technical Data

Module Specific Data

Number of outputs 2

Voltage via power jumper contacts DC 24 V (-25% ... +30%)

Current consumption typ. (internal) 70 mA

Signal current 4 mA... 20 mA

Load impedance < 600 Ω

Linearity ±10 µA

Resolution 12 Bit

Conversion time approx. 2 ms

Measuring error 25°C <±0.1 % of the full scale value

Temperature coefficient <±0.015 % / K of the 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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