The WAGO-I/O-SYSTEM 750
System Description
General
The WAGO-I/O-SYSTEM_consists of
various components which are capable of providing modular and
application specific fieldbus nodes for various fieldbusses. A fieldbus node (short: Node)
consists in principle of a fieldbus coupler (short: Coupler) or a programmable
fielbus controller (short: Controller) at the front end (1), a number of I/O modules
(2) and an end module (3) which is placed at the other end.
Setting
up a fieldbus node with the WAGO-I/O-SYSTEM
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
4.5
Analog
Outputs..................................................................................
209
4.6
Supply and End modules
................................................................... 217
4.7
Terminal blocks for encoder and
resolvers........................................ 229
4.8
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 ................................................
8.5
Identification......................................................................................
312
8.6
Installation regulations.......................................................................
314
9 Glossary
..................................................................................................
316
10 Literature
list
.........................................................................................
327
11 Index........................................................................................................
328
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