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I am using Modicon Pentium PLC. I want to map IO status Modbus list to holding register. I am using Unity Pro XL programming. How can I access this Modbus register address in programming?
As an example:
20001 (digital input memory address) maps to 40001 (holding register address).
As an example:
20001 (digital input memory address) maps to 40001 (holding register address).