Table of Contents • iiiWAGO-I/O-SYSTEM 750ETHERNET TCP/IPTABLE OF CONTENTS1 Important Notes .......................................................................................... 21.1 Legal Principles........................................................................................ 21.1.1 Copyright ............................................................................................. 21.1.2 Personnel Qualification ....................................................................... 21.1.3 Conforming Use of Series 750 ............................................................ 31.1.4 Technical Condition of the Devices .................................................... 31.2 Standards and Regulations for Operating the 750 Series......................... 31.3 Symbols .................................................................................................... 41.4 Safety Information.................................................................................... 51.5 Font Conventions ..................................................................................... 61.6 Number Notation...................................................................................... 61.7 Scope ........................................................................................................ 21.8 Important Comments for Starting up........................................................ 71.9 Abbreviation............................................................................................. 72 The WAGO-I/O-SYSTEM 750 .................................................................. 82.1 System Description................................................................................... 82.2 Technical Data.......................................................................................... 92.3 Manufacturing Number .......................................................................... 152.4 Component Update................................................................................. 162.5 Storage, Assembly and Transport .......................................................... 162.6 Mechanical Setup ................................................................................... 172.6.1 Installation Position ........................................................................... 172.6.2 Total Expansion................................................................................. 172.6.3 Assembly onto Carrier Rail ............................................................... 182.6.3.1 Carrier rail properties.................................................................... 182.6.3.2 WAGO DIN Rail .......................................................................... 192.6.4 Spacing .............................................................................................. 192.6.5 Plugging and Removal of the Components ....................................... 202.6.6 Assembly Sequence ........................................................................... 212.6.7 Internal Bus/Data Contacts................................................................ 222.6.8 Power Contacts .................................................................................. 232.6.9 Wire connection................................................................................. 242.7 Power Supply ......................................................................................... 252.7.1 Isolation ............................................................................................. 252.7.2 System Supply ................................................................................... 262.7.2.1 Connection .................................................................................... 262.7.2.2 Alignment ..................................................................................... 272.7.3 Field Supply....................................................................................... 292.7.3.1 Connection .................................................................................... 292.7.3.2 Fusing............................................................................................ 302.7.4 Supplementary power supply regulations.......................................... 332.7.5 Supply example ................................................................................. 342.7.6 Power Supply Unit............................................................................. 352.8 Grounding............................................................................................... 362.8.1 Grounding the DIN Rail .................................................................... 362.8.1.1 Framework Assembly ................................................................... 36