Door drive system e.g. for garage door, has serial bus for communication between door drive unit and peripheral devices

摘要

The system includes at least one door drive unit (A,B) for driving a door, and at least one door drive peripheral device (C,D). A serial bus (E) is provided for wired communication between system components (A,B;C,D). The peripheral devices include an operating part (C), an output unit (D) or a controller (F).