WAGO I/O-SYSTEM 750 510 376 07, Quick Start Manual

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WAGO-I/O-SYSTEM 750
ETHERNET StarterKit 2
CONTENT
1 Important Comments ................................................................................. 4
1.1 Legal Principles........................................................................................ 4
1.1.1 Copyright ............................................................................................. 4
1.1.2 Personnel
Qualification ....................................................................... 4
1.1.3 Intended Use ........................................................................................ 4
1.2 Symbols .................................................................................................... 5
1.3 Number
Notation ...................................................................................... 5
1.4 Safety Notes ............................................................................................. 6
1.5 Scope ........................................................................................................ 6
2 Quick Start................................................................................................... 7
2.1 Node Assembly ........................................................................................ 7
2.2 Ethernet Network Start-Up....................................................................... 8
2.3 The First Program................................................................................... 13
2.4 Program Download to the Controller 750-841....................................... 18
2.5 Alternative to the Variable Declaration in the PLC Configuration........ 18
2.6 Modbus/TCP DLL Application Examples ............................................. 19
2.7 Information for Programming and Web Visualization........................... 20
3 Addressing ................................................................................................. 21
3.1 Comparison of Modbus and IEC1131 Addresses .................................. 21
3.1.1 WORD
Access................................................................................... 22
3.1.2 Bit Access .......................................................................................... 24