Magnet sensors for Bridge control in Airports
The bridge control operator needs to steer the bridge towards the airplane door for docking. The bridge controller is responsible for aligning the X, Y and Z axes to perfectly align the bridge with the airplane’s door. When the bridge is about one meter from the door, the height of the bridge needs to be adjusted. This is accomplished by positioning reed sensors and a magnet in the bridge mechanism. The bridge control systems get feedback from the reed sensors as to the exact position of the end of the bridge and decides which way the bridge needs to be moved in each on the axes, up until until the point the sensors are triggered. After successful adjustment of the height, the bridge can then be docked outside the aircraft door.
MS-228, M8 Threaded Cylindrical Proximity Sensor
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