The Electromotor Valve Drive ST/K 1.1 is a proportional valve drive for controlling heating valves via the ABB i-bus® KNX. The valve drive is mounted on thermostat valve bases. The control is carried out via a continuous KNX room thermostat.
The Electromotor Valve Drive ST/K 1.1 also has two binary inputs which can be used e.g. for the connection of a presence contact and/or window contact. The status of these inputs can be sent on the bus.