Modbus Register Mapping; Register (Word) Access Reading - WAGO 750 Series Manual

174 • MODBUS Functions

MODBUS Register Mapping

6.4 MODBUS Register Mapping
The following tables display the MODBUS register mapping for the process
image, the PFC variables, the NOVRAM data, 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
End Memory range
address
0x00FF physical Inputs process image (1)
0x01FF Output registers of the PFC variables (MODBUS TCP)
0x02FF physical Outputs process image (1)
0x03FF Input registers of the PFC variables (MODBUS TCP)
0x2FFF Internal variables (see next Chapter 6.5)
0x5FFF NOVRAM (24 kByte) Retain range for flags
0x62FC physical Inputs process image (2)
0x72FC physical Outputs process image (2)
End Memory range
address
0x00FF physical Outputs process image (1)
0x01FF Input registers of the PFC variables (MODBUS TCP)
0x02FF physical Outputs process image (1)
0x03FF Output registers of the PFC variables (MODBUS TCP)
0x2FFF Internal variables (see next Chapter 6.5)
0x5FFF NOVRAM (24 kByte) Retain range for flags
0x62FC physical Outputs process image (2)
0x72FC physical Outputs process image (2)
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