Thanks for prompt reply. I managed to initiate Modbus Master. However, the output shows 0 only. I have attached the output as well as Extended Data settings. For your information, I am using Socomec Diris A20 Energy Meter as slave. The meter has been tested from my laptop using Modbus Poll software....

Hi, I am using RevPi Connect to read RTU slave energy meter. I followed the tutorial as described on: https://revolution.kunbus.com/tutorials/modbus-tutorial/revpi-core-als-modbus-rtu-master-verwenden/ Additionally, I also followed the tutorial from Youtube. https://youtu.be/gaJ6-D4Vd6A Unfortunatel...