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Safety control system for elevators has hazard sensors associated with boarding entrances, auxiliary controler connected to each sensor for transfer of hazard signals to main controler
Safety control system for elevators has hazard sensors associated with boarding entrances, auxiliary controler connected to each sensor for transfer of hazard signals to main controler
The system has a main control unit for controling a motor for driving an elevator cage in a shaft with boarding openings and a second motor for operating the doors. Hazard sensors are associated with boarding entrances along the shaft. An auxiliary controler connected to each sensor for transfer of signals indicating a hazard near the relevant sensor sends the signals to a main controler, which converts them into motor control signals . The system has a main control unit for controling a motor for driving an elevator cage (4) in an elevator shaft (3) with at least two boarding openings for the elevator cage and a second motor for operating the doors. There is a number of hazard sensors (F), each associated with a boarding entrance along the shaft and an auxiliary controler connected to each sensor for transfer of signals indicating a hazard in the area near the relevant sensor. The auxiliary controler sends signals to the main controler, which converts them into control signals for operating the motors (5,8).
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