This is my setup: The FGK-101 has a binary input option, this simply detects if a circuit is open or closed. I bought 6 magnetic reed switches and wired them in series to form a big loop. If one of the door is opened it breaks the circuit and triggers the FGK-101 binary input. Each reed switch cost ...

Magnus, thanks so much. This solved the issue!

It's a bit strange that you need to do the manual update in the group...
The limitation of only the "On" command is not a big issue. I will couple them on an scene in Domoticz.

I have two wall z-wave.me battery operated wall switches, a single and a double. (WALLC-2 and WALLC-S) Inluding it into the zwave confiuration is no problem. They are recognized as a Poll (double) and Devolo battery wall controller. However, after that nothing happens when the buttons are pressed ...