How aircraft know position of landing gears

Описание: Proximity sensors are vital part for aircraft systems, specialy for indication, because proxi sensors are resposnible for telling aircraft systems position of components.

Description:
The proximity sensor is an electronic position indicator. The main components of the sensor are a sensor body, a sensor coil and an electrical connector. The sensor has a related target.
The sensor body contains the sensor coil. The coil is connected to the electrical connector.
Each proximity detection circuit contains:
a proximity sensor
a sensor target
a channel of a proximity-sensor electronics card.
The proximity-sensor electronics-card has 14 channels and is located in the LGCIU.

Operation
The proximity sensor continuously transmits an electrical signal to the proximity-sensor electronics-card. As the target moves into or out of the proximity-sensor's actuation area it causes a change in the proximity sensor's electrical property. The electrical signal to the proximity sensor electronics card also changes. The proximity-sensor electronics-card converts these electrical signal changes into user status signals. The LGCIU control logic modules use these user status signals to control the extension and retraction of the L/G.
In today's video we will take look how to replace it.


********video is just for information purposes always stick to the latest maintenance manual.********



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———-Video content———————

00:00 - Intro
00:24 - what is proximity sensor good for
02:49 - Removal of the sensor
04:55 - Installation of the sensor
06:30 - how sensor work
06:36 - Continuation in installation
10:47 - Test
11:38 - sealing and close up
13:00 - outro



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