Fieldbus Controller 750-842 - WAGO -I/O-SYSTEM 750 User's Installation And Configuration

3.2 Fieldbus controller 750-842

This chapter includes:
3.2.1
3.2.2
1.1.1.1
1.1.1.2
1.1.1.3
1.1.1.4
1.1.1.5
1.1.1.6
1.1.1.7
3.2.3
1.1.1.8
1.1.1.9
3.2.4
1.1.1.10
1.1.1.11
1.1.1.12
3.2.5
1.1.1.13
1.1.1.14
1.1.1.15
1.1.1.16
1.1.1.1
1.1.1.17
3.2.6
1.1.1.18
1.1.1.19
1.1.1.20
1.1.1.21
1.1.1.22
1.1.1.23
3.2.7
1.1.1.24
1.1.1.25
3.2.8
1.1.1.26
1.1.1.27
1.1.1.28
1.1.1.29
1.1.1.30
3.2.9
1.1.1.31
1.1.1.32
3.2.10
Modular I/O System
ETHERNET TCP/IP
Description ..................................................................................... 48
Hardware ........................................................................................ 49
View......................................................................................... 49
Device supply .......................................................................... 50
Fieldbus connection ................................................................. 51
Display elements...................................................................... 51
Configuration and programming interface............................... 52
Operating mode switch ............................................................ 52
Hardware address (MAC-ID) .................................................. 53
Operating system ............................................................................ 54
Start-up .................................................................................... 54
PLC cycle................................................................................. 54
Process image ................................................................................. 56
Example of a process input image ........................................... 57
Example of a process output image ......................................... 58
Process data architecture for MODBUS/TCP ......................... 59
Data exchange................................................................................. 65
Memory areas .......................................................................... 66
Addressing ............................................................................... 67
Data exchange between master and I/O modules .................... 70
Data exchange between PLC functionality (CPU) and I/O
modules.................................................................................... 71
Data exchange between master and PLC functionality (CPU) 72
Common access of MODBUS master and PLC functionality to
outputs ..................................................................................... 73
Starting up ETHERNET TCP/IP fieldbus nodes............................ 75
Note the MAC-ID and establish the fieldbus node.................. 75
Connecting PC and fieldbus node............................................ 75
Determining IP addresses ........................................................ 76
Allocating the IP address to the fieldbus node ........................ 76
Testing the function of the fieldbus node ................................ 79
Viewing the HTML pages ....................................................... 80
Programming the PFC with WAGO-I/O-PRO 32 .......................... 82
WAGO-I/O-PRO 32 library elements for ETHERNET .......... 82
IEC 61131-3-Program transfer ................................................ 84
LED Display ................................................................................... 87
Blink code................................................................................ 87
Fieldbus status ......................................................................... 88
Node status............................................................................... 88
Fault message via blink code from the I/O-LED ..................... 90
Supply voltage status ............................................................... 91
Fault behavior................................................................................. 92
Fieldbus failure ........................................................................ 92
Internal bus fault ...................................................................... 92
Technical Data................................................................................ 93
Fieldbus coupler /controller • 47
Fieldbus controller 750-842