four2six wrote:why don't you use virtual switches in Domoticz for all your events on both systems and take it from there?

Can you please expand on that? I don't quite follow. This is a setpoint device, so I don't see how a switch would help?

// J

I'd like to be able to detect the source of an update to sensor values in Domoticz. I have an external vent system that I'm controlling via a modbus interface using a dedicated RPi. Once a minute, it sends updates to Domoticz and updates virtual temperature sensors, switches etc based on various ...