In an R2 Niagara station, trying to write a setpoint to a holding register in a Modbus controller, received an error "Illegal Data Address".
TAC I/A Series
R2 Niagara integration to a Modbus controller.
Not known. The procedure in the Resolution has been used successfully with a Siemens PLC and with a Thermax chiller controller.
- Go to the Properties of the Modbus Asynch Service
- Go to the General, Config tab
- Set the value of the usePresetMultipleRegister = True
- "Apply" to save changes.