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We want to test a device with PLC program.
With various modbus slave simulator it works fine by simulating the values at the simulator value manually.
However we want automate this testing i.e. when a value is written into a holding register, the same value shall be automatically updated into an input register.
Is there any way to link the holding register value to the input register directly?
For Example,
Assume the modbus slave device is a VSD. PLC writes a Speed reference value into a holding register and reads the actual speed from an input register.
With various modbus slave simulator it works fine by simulating the values at the simulator value manually.
However we want automate this testing i.e. when a value is written into a holding register, the same value shall be automatically updated into an input register.
Is there any way to link the holding register value to the input register directly?
For Example,
Assume the modbus slave device is a VSD. PLC writes a Speed reference value into a holding register and reads the actual speed from an input register.