WAGO 750-341 Manual page 135

To execute a desired function, specify the respective function code and the
address of the selected input or output data.
Attention
The examples listed use the hexadecimal system (i.e.: 0x000) as their
numerical format. Addressing begins with 0.
The format and beginning of the addressing may vary according to the
software and the control system. All addresses then need to be converted
accordingly.
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
MODBUS Functions
General
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