Posted January 12, 20232 yr hey Guys, i have a 12kv 3 phase sunsync and the modbus registers are obviously different, i would like to monitor grid voltage for the 3 phases and the battery SOC however, according to the modbus register table those addresses are R/W using function code 16(0x10)... AFAIK that is the write multiple registers function and if i try do a function code 3 on the address i get "register not supported by device"
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