End of travel detecting device for a bidirectionally mobile element, especially roller shutter drum, and driving device of bidirectionally mobile element equipped with such end of travel device

摘要

The run end sensor has means for adjustment and recording its end of run positions. The device includes means (1) for control of a movable part and means for comparing the position of the movable part with the recorded end of run positions. The device includes: - a digital processor (30) designed to operate in two different modes 'normal' and 'adjusted'; - the control means is designed to give an image of the position of the moving part in the form of a digital signal which is input to the processor (30); - the adjusting system includes electrical means (18,20) for selecting the operating mode of the processor (30) and for memorizing the end of run positions. The selection system (18,20) is designed to permit the adjustment of the end of run positions of the shutter.