WAGO 750-872/020-000 Manual page 4

iv • Table of Contents
2.8.1.2
2.8.2
2.8.3
2.9
2.9.1
2.9.2
2.9.3
2.9.4
2.10 Assembly Guidelines/Standards............................................................. 39
3 Fieldbus Controller ..................................................................................... 7
3.1
3.1.1
3.1.2
3.1.3
3.1.3.1
3.1.3.2
3.1.3.3
3.1.3.4
3.1.3.5
3.1.3.6
3.1.3.7
3.1.4
3.1.4.1
3.1.4.2
3.1.5
3.1.5.1
3.1.5.2
3.1.5.3
3.1.5.4
3.1.6
3.1.6.1
3.1.6.2
3.1.6.2.1
3.1.6.2.2
3.1.6.2.3
3.1.6.3
3.1.6.4
3.1.6.5
3.1.6.6
3.1.6.6.1
3.1.6.6.1.1
3.1.7
3.1.7.1
3.1.7.1.1
3.1.7.1.2
3.1.7.1.3
3.1.7.2
3.1.7.2.1
Insulated Assembly ....................................................................... 35
Grounding Function........................................................................... 36
Grounding Protection ........................................................................ 37
Shielding (Screening) ............................................................................. 38
General............................................................................................... 38
Bus Conductors.................................................................................. 38
Signal Conductors.............................................................................. 38
WAGO Shield (Screen) Connecting System..................................... 39
Fieldbus Controller 750-872/020-000 .................................................... 40
Description......................................................................................... 40
Compatibility ..................................................................................... 41
Hardware............................................................................................ 42
View .............................................................................................. 42
Device Supply ............................................................................... 43
Fieldbus Connection ..................................................................... 44
Display Elements .......................................................................... 44
Configuration and Programming Interface ................................... 45
Operating Mode Switch ................................................................ 46
Hardware Address (MAC-ID) ...................................................... 47
Operating System............................................................................... 48
Start-up.......................................................................................... 48
PLC Cycle ..................................................................................... 48
Process Image .................................................................................... 50
General Structure .......................................................................... 50
Example of a Process Input Image................................................ 52
Example of a Process Output Image ............................................. 53
Process Data Architecture............................................................. 54
Data Exchange ................................................................................... 55
Memory Areas .............................................................................. 56
Addressing .................................................................................... 58
Addressing the I/O Modules ......................................................... 58
Address Range .............................................................................. 58
Absolute Addresses....................................................................... 60
Data Exchange between MODBUS/TCP Master and I/O Modules61
Data Exchange between EtherNet/IP Master and I/O Modules ... 63
Data Exchange between PLC Functionality (CPU) and I/O
Modules......................................................................................... 64
Data Exchange between Master and PLC Functionality (CPU)... 64
Example MODBUS/TCP Master and PLC functionality (CPU).. 65
Example of Use: ....................................................................... 66
Starting up a Fieldbus Node .............................................................. 67
Variation 1: Start up with the WAGO Ethernet Settings.............. 67
Connecting PC and Fieldbus Node ............................................... 67
Allocating the IP Address to the Fieldbus Node........................... 68
Testing the Function of the Fieldbus Node................................... 68
Variation 2:Starting up with the WAGO BootP Server................ 69
Note the MAC-ID and establish the Fieldbus Node ..................... 69
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP