The plugin works with the Somfy API website and does not connect to the Tahoma of Connexoon box. As long as your devices are visible on the Somfy site it should work OK. As long as you write, it's independent of any hardware and all versions of Tahoma boxes will work whereas it connects and report ...
Is plugin compatible with last one Tahoma Switch box, or only with the older Tahoma boxes? I want to buy a new one to integrate pergola motor and Rain & Sun/Wind sensors with Domoticz zwave instance on RPi.