I updated my Home Assistant and started getting strange error “Pymodbus: victron: Exception Response(131, 3, IllegalAddress)”
Anyhow, after troubleshooting and blaming Home Assistant, I started looking into an “IlligalAdress” part of the error.
Well, truth be told, my Venus GX has been setup to automatically download latest version and then I came up to the fact that it has upgraded it self from 2.73 to 2.81. Nice
Well, in the new version, register for PV Current has been removed and that is what has caused the error shown above.
- name: "PV Current" data_type: int16 unit_of_measurement: "A" slave: 245 address: 777 scale: 0.1 device_class: current
is no longer valid as it doen’t exist anymore.
I have confirmed this by checking the newest Modbus register excel sheet from victron
CCGX-Modbus-TCP-register-list-2.80.xlsx (47.3 KB)
Hope it helps someone who encounters the same problem