The Siemens room controller basic module designed for controlling temperature and lighting in individual rooms. With PI or PID control, it can be used for controlling chilled ceilings and radiators. It also allows switch control of two groups of lights and offers extension modules for control of lighting and blinds. The controller is compatible with LONMARK bus communications and can be integrated into the Desigo building automation and control system.

PI or PID control for chilled ceilings and radiators
Switch control of two groups of lights
Extension modules available for control of lighting and blinds
LONMARK-compatible bus communications
Downloadable application software
Control of 2 x 2 thermic valve actuators or one AC 24 V 3-position valve actuator
Volt-free relay contacts for lighting control
Operating voltage AC 230 V