@Marvin_S Thanks Marvin. I might not have been clear, in that it's not the smarthome system that I want to block; that one is getting the data and storing it locally. It's the inverter which needs to...

I have an inverter and I managed to read its data into my smart home system using the modbus protocol. Now I want to keep being able to read its data, so keeping it connected to the lan and...