Modbus Register Mapping - WAGO 750-341 Manual

6.4 MODBUS Register Mapping

The following tables display the MODBUS register mapping for the process
image and the internal variables is represented.
Register (Word) Access Reading:
Start address
0x0000
0x0100
0x0200
0x0300
0x1000
0x3000
0x6000
0x7000
Register (Word) Access Writing:
Start address
0x0000
0x0100
0x0200
0x0300
0x1000
0x3000
0x6000
0x7000
Bit Access Reading:
Start address
0x0000
0x0200
0x1000
0x2000
0x3000
0x8000
0x9000
Bit Access Writing:
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
End address Memory range
0x00FF physical Inputs process image (1)
0x01FF reserved
0x02FF physical Outputs process image (1)
0x03FF reserved
0x2FFF Internal variables (see next Chapter 6.5)
0x5FFF reserved
0x62FB physical Inputs process image (2)
0x72FB physical Outputs process image (2)
End address Memory range
0x00FF physical Inputs process image (1)
0x01FF reserved
0x02FF physical Outputs process image (1)
0x03FF reserved
0x2FFF Internal variables (see next Chapter 6.5)
0x5FFF reserved
0x62FB physical Inputs process image (2)
0x72FB physical Outputs process image (2)
End address Memory range
0x01FF physical Inputs process image (1)
0x03FF physical Outputs process image (1)
0x1FFF reserved
0x2FFF reserved
0x7FFF reserved
0x85F7 physical Inputs process image (2)
0x95F7 physical Outputs process image (2)
MODBUS Functions
MODBUS Register Mapping
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