Fieldbus Coupler - WAGO 750-341 Manual

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Fieldbus Coupler 750-341

WAGO Shield (Screen) Connecting System
3 Fieldbus Coupler
3.1 Fieldbus Coupler 750-341
This chapter includes:
3.1.1
3.1.2
3.1.2.1
3.1.2.2
3.1.2.3
3.1.2.4
3.1.2.5
3.1.2.6
3.1.3
3.1.4
3.1.4.1
3.1.4.2
3.1.4.3
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
3.1.6.3
3.1.6.4
3.1.6.5
3.1.6.6
3.1.6.7
3.1.7
3.1.7.1
3.1.7.2
3.1.7.3
3.1.7.4
3.1.7.5
3.1.8
3.1.8.1
3.1.8.2
3.1.9
Description......................................................................................... 37
Hardware............................................................................................ 38
View .............................................................................................. 38
Device supply................................................................................ 39
Fieldbus connection ...................................................................... 39
Display Elements .......................................................................... 40
Configuration interface ................................................................. 40
Hardware address (MAC-ID) ....................................................... 41
Operating system ............................................................................... 41
Process image .................................................................................... 42
Example of a Process Input Image................................................ 44
Example of a Process Output Image ............................................. 45
Fieldbus specific Process Data Architecture for MODBUS/TCP 46
Data Exchange ................................................................................... 60
Memory areas................................................................................ 61
Addressing the I/O modules.......................................................... 62
Data exchange between MODBUS master and I/O modules ....... 62
Data Exchange between Ethernet IP Master and I/O Modules .... 64
Starting up ETHERNET TCP/IP fieldbus nodes............................... 68
Note the MAC-ID and establish the fieldbus node....................... 68
Connecting PC and fieldbus node................................................. 69
Determining IP addresses ............................................................. 69
Allocating the IP address to the fieldbus node ............................. 70
Testing the function of the fieldbus node ..................................... 73
Deactivating the BootP Protocol................................................... 73
Information on the web-based management system ..................... 75
LED Display ...................................................................................... 80
Blink code ..................................................................................... 80
Fieldbus status............................................................................... 81
Node status.................................................................................... 81
Fault message via blink code from the 'I/O'-LED ....................... 83
Supply voltage status .................................................................... 88
Fault behavior .................................................................................... 89
Fieldbus failure ............................................................................. 89
Internal bus fault ........................................................................... 89
Technical Data ................................................................................... 90
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP