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Modular I/O System ETHERNET TCP/IP 750-342, 750-842

Manual

Technical description, installation and configuration

750-129/000-002 Version 2.0.0

ii General

Copyright 2001 by WAGO Kontakttechnik GmbH

All rights reserved.

WAGO Kontakttechnik GmbH

Hansastraße 27

D-32423 Minden

Phone:

+49 (0)

571/8 87 – 0

Fax:

+49 (0)

571/8 87 – 1 69

E-Mail:

info@wago.com

Web:

http://www.wago.com

Technical Support

Phone:

+49 (0)

571/8 87 – 5 55

Fax:

+49 (0)

571/8 87 – 4 30

E-Mail:

support@wago.com

Every conceivable measure has been taken to ensure the correctness and completeness of this documentation. However, as errors can never be fully excluded we would appreciate any information or ideas at any time.

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.

This product includes software developed by the University of California, Berkley and ist contributors.

Modular I/O System

ETHERNET TCP/IP

Table of Contents • iii

TABLE OF CONTENTS

 

1

Important comments .................................................................................

1

1.1

Legal principles......................................................................................

1

1.2

Scope......................................................................................................

2

1.3

Symbols .................................................................................................

2

1.4

Font conventions....................................................................................

3

1.5

Number notation ....................................................................................

3

1.6

Abbreviation ..........................................................................................

3

2 The WAGO-I/O-SYSTEM 750.................................................................

4

2.1

System Description ................................................................................

4

2.2

Installation .............................................................................................

6

2.3

Electrical Installation .............................................................................

9

2.4

Power supply........................................................................................

11

2.5

Manufacturing Number........................................................................

14

2.6

Technical Data .....................................................................................

15

3 Fieldbus coupler / controller...................................................................

17

1.1

Fieldbus coupler 750-342 ....................................................................

17

1.2

Fieldbus controller 750-842.................................................................

47

4

I/O modules ..............................................................................................

94

4.1

I/O modules-Review ............................................................................

95

4.2

Digital Inputs .......................................................................................

98

4.3

Digital Outputs...................................................................................

132

4.4

Analog Inputs.....................................................................................

164

1.5

Analog Outputs ..................................................................................

209

1.6

Supply and End modules ...................................................................

217

1.7

Terminal blocks for encoder and resolvers........................................

229

1.8

Special terminal blocks......................................................................

238

5

ETHERNET ...........................................................................................

261

5.1

Network architecture – Principles and Regulations...........................

262

5.2

Network communication ...................................................................

270

6

Common MODBUS functions ..............................................................

280

6.1

Use of the MODBUS functions .........................................................

281

6.2

Description of the MODBUS functions ............................................

282

7

Application examples.............................................................................

302

7.1

Test of MODBUS protocol and fieldbus nodes.................................

302

7.2

Visualization and control using SCADA software ............................

302

8 Application in Explosive Environments ..............................................

305

8.1

Foreword............................................................................................

305

8.2

Protective measures ...........................................................................

305

8.3

Classification meeting CENELEC and IEC ......................................

305

8.4

Classifications meeting the NEC 500 ................................................

310

Modular I/O System

ETHERNET TCP/IP

iv • Table of Contents

8.5

Identification ......................................................................................

312

8.6

Installation regulations.......................................................................

314

9

Glossary ..................................................................................................

316

10

Literature list .........................................................................................

327

11

Index........................................................................................................

328

Modular I/O System

ETHERNET TCP/IP

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