Door drive for elevator doors, has controller with several operating states in which motor operation is regulated differently and between which controller can change automatically

摘要

The arrangement has a motor (7) with which an elevator door can be moved along a defined displacement path, an associated pulse generator and a controller (5) that controls motor operation under program control in accordance with pulses detected at the motor's pulse generator. The controller has several operating states in which the motor operation is regulated differently and between which the controller can change automatically.