For connecting an electric door opener or for switching the light or for connecting a light relay (potential-free output 230 V, 3A). Assignment to an outdoor station can be set. Switching time can be set: door opener 1 s to 10 s, light 1 s to 5 min. Consumption units: 2. Further information on commissioning and operation can be found in the system manual and the online operating manual. Use high-impedance door openers. Nominal resistance at least 20 ohms.