
Table of Contents • iii
WAGO-I/O-SYSTEM 750
Bus System
Table of Contents
1 Important Notes ..........................................................................................9
1.1 Legal Principles........................................................................................9
1.1.1 Copyright.............................................................................................9
1.1.2 Personnel Qualification .......................................................................9
1.1.3 Conforming Use of Series 750 ..........................................................10
1.1.4 Technical Condition of the Devices ..................................................10
1.2 Standards and Regulations for Operating the 750 Series....................... 11
1.3 Symbols..................................................................................................12
1.4 Safety Information..................................................................................13
1.5 Font Conventions ................................................................................... 14
1.6 Number Notation....................................................................................14
1.7 Scope ......................................................................................................15
1.8 Abbreviation...........................................................................................15
2 The WAGO-I/O-SYSTEM 750................................................................16
2.1 System Description.................................................................................16
2.2 Technical Data........................................................................................17
2.3 Manufacturing Number ..........................................................................23
2.4 Component Update.................................................................................24
2.5 Storage, Assembly and Transport ..........................................................24
2.6 Mechanical Setup ...................................................................................25
2.6.1 Installation Position ........................................................................... 25
2.6.2 Total Expansion................................................................................. 25
2.6.3 Assembly onto Carrier Rail ...............................................................26
2.6.3.1 Carrier Rail Properties ..................................................................26
2.6.3.2 WAGO DIN Rail ..........................................................................27
2.6.4 Spacing ..............................................................................................27
2.6.5 Plugging and Removal of the Components .......................................28
2.6.6 Assembly Sequence........................................................................... 29
2.6.7 Internal Bus/Data Contacts................................................................30
2.6.8 Power Contacts..................................................................................31
2.6.9 Wire Connection................................................................................32
2.7 Power Supply ......................................................................................... 33
2.7.1 Isolation .............................................................................................33
2.7.2 System Supply ...................................................................................34
2.7.2.1 Connection .................................................................................... 34
2.7.2.2 Alignment ..................................................................................... 35
2.7.3 Field Supply.......................................................................................37
2.7.3.1 Connection .................................................................................... 37
2.7.3.2 Fusing............................................................................................38
2.7.4 Supplementary Power Supply Regulations .......................................41
2.7.5 Supply Example.................................................................................42
2.7.6 Power Supply Unit.............................................................................43
2.8 Grounding...............................................................................................44
2.8.1 Grounding the DIN Rail ....................................................................44
2.8.1.1 Framework Assembly ...................................................................44
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