- Download GModbus
- Extract all files somewhere (on desktop for example)
- Run Gmodbus.exe
- Set REMOTE IP (that is your inverter IP)
- Click on CONNECT TCP (only one device can be connected in same time)
- Click READ REGISTERS
- After this you should see some values on right side of the screen and Homey app should work with it .
- Do not forget DISCONNECT TCP or close app before you try integrate it to Homey.

If you can´t connect, please contact your installation company or Solax support.