Technical data

Table of Contents • iii
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
TABLE OF CONTENTS
1 Important Comments ................................................................................ 1
1.1 Legal Principles...................................................................................... 1
1.2 Symbols.................................................................................................. 2
1.3 Font Conventions................................................................................... 3
1.4 Number Notation ................................................................................... 3
1.5 Safety Notes ........................................................................................... 4
1.6 Scope...................................................................................................... 5
1.7 Important Comments for Starting up ..................................................... 5
1.8 Abbreviation .......................................................................................... 5
2 The WAGO-I/O-SYSTEM 750................................................................. 6
2.1 System Description ................................................................................ 6
2.2 Technical Data ....................................................................................... 7
2.3 Manufacturing Number........................................................................ 11
2.4 Storage, Assembly and Transport ........................................................ 12
2.5 Mechanical Setup................................................................................. 12
2.6 Power Supply....................................................................................... 20
2.7 Grounding ............................................................................................ 31
2.8 Shielding (Screening)........................................................................... 34
2.9 Assembly Guidelines / Standards ........................................................ 35
3 Fieldbus Controller.................................................................................. 36
3.1 Fieldbus Controller 750-841................................................................ 36
4 I/O Modules ............................................................................................ 103
4.1 General............................................................................................... 103
4.2 Digital Input Modules ........................................................................ 103
4.3 Digital Output Modules ..................................................................... 104
4.4 Analog Intput Modules ...................................................................... 105
4.5 Analog Output Modules..................................................................... 106
4.6 Counter Modules................................................................................ 107
4.7 Pulse Width Module ..........................................................................107
4.8 Serial Interfaces.................................................................................. 107
4.9 Distance and Angle Measurement Modules ...................................... 107
4.10 System Modules................................................................................. 108
5 ETHERNET ........................................................................................... 109
5.1 General............................................................................................... 109
5.2 Network Architecture – Principles and Regulations.......................... 110
5.3 Network Communication................................................................... 118
6 MODBUS Functions .............................................................................. 144
6.1 General............................................................................................... 144
6.2 Use of the MODBUS Functions ........................................................ 146
6.3 Description of the MODBUS Functions............................................ 147
6.4 MODBUS Register Mapping............................................................. 159
6.5 Internal Variables............................................................................... 160