I tried the files, and attached the printscreens from domoticz.
The readings from the room-thermostat (Remeha Isense) now works as before it did not.
But futher no approvement, unfortunately, no thermostats etc were seen by domoticz

Hope it helps you any further,

Richard

So far no input, just another question hopefully to get me some further. Is it possible within domoticz to sent commands from the liraspberry commandline or via json url (http://192.168.x.x:8080/json.htm?........ to communicate to the zwave device. If this is possible it opens a complet other zwave ...

I am relatively new wit all this but the pi is running fine with the RFXCOM and razberry. I wanted to add a opentherm gateway but using the existing incoming tools. I bought a benext heating control as it is something like the opentherm gateway but than on zwave. It install in openzwave but not all ...