Elevator Leveling Sensor Hitachi NDS-2UAX NDS-3UAX Elevator Electrical position detector

Hitachi Elevator Photoelectric Switch Position Detector is a device that uses photoelectric principles to detect the position of elevator doors or cars. It is usually installed on the upper and lower sides of the elevator doorway, and senses the current position of the door or car by transmitting and receiving light signals, and transmits this information to the elevator control system. Its main function is to ensure the safety and accuracy of the elevator door during opening and closing, and to monitor the position of the car, thereby controlling the operation of the elevator.

The working principle of the photoelectric switch position detector is based on the photoelectric effect. When the transmitter sends out a light signal, if the light path is blocked (such as the elevator door or car is in the light path), the receiver will not be able to receive the light signal. At this time, the photoelectric switch will output an electrical signal indicating that the door or car is in a specific position. Conversely, if the light path is unobstructed, the receiver will receive the light signal and output another electrical signal indicating that the door or car is not in that position. The elevator control system controls the operation of the elevator and the opening and closing of the door based on these signals.

Hitachi Elevator Photoelectric Switch Position Detector NDS-2UAX NDS-3UAX is widely used in various models of Hitachi elevators, including passenger elevators, freight elevators and medical elevators. It is usually used in conjunction with other elevator control system components, such as door machine controllers, car controllers, etc., to achieve automatic operation and safety monitoring of elevators.

Hitachi Elevator Photoelectric Switch Position Detector plays a vital role in the elevator system. It not only ensures the safety and accuracy of the elevator door, but also monitors the position of the car to control the operation of the elevator. Once the photoelectric switch fails or is damaged, it may cause the elevator door to fail to open or close normally, and even cause a safety accident. Therefore, during the use and maintenance process, sufficient attention and concern should be given to ensure the normal operation and use effect of the photoelectric switch position detector.

Send your enquiry with our high quality Elevator Leveling Sensor Hitachi NDS-2UAX NDS-3UAX Elevator Electrical position detector .