• C ctgbmoz

    I am using sma cluster controller as a gateway to communicate with pv inverter thought modbus tcp.

    However, cluster controller always respond modbus exception illegal function for the command I used below
    00 01 00 00 00 06 03 04 00 04 00 02
    to read the 30005 data

    I have enable modbus tcp function and config my inverter to be Unit ID 3
    Anyone with experience in sma can help?

    posted in Hardware read more