HEALTHY SENSING. Do You Know When Your Proximity Sensor is Sick? A Honeywell White Paper

2022-10-14
■ABSTRACT
◆A proximity sensor is a sensor capable of detecting the presence of nearby metal objects without any physical contact. The proximity sensor generally functions by detecting changes in a local electromagnetic field. This field could be emitted by the proximity sensor itself, or by the metal target (magnet) being detected. When a metal object is detected by the sensor, the output of the sensor changes state.
●The general application of a proximity sensor is very similar to that of an electromechanical position switch, though there are a few differences: No physical contact is required for the proximity sensor to detect the position of metal objects, it has the potential for variable near/far sensing, and it may include FAVCO (Fixed Amplitude Variable Current Oscillator) technology.
●Some common areas of use within aerospace applications are doors and slides, thrust reversers, engine accessories, landing gear, Ram Air Turbine (RAT), flap skew, and flight control surfaces

Honeywell

ECKOFAVCOGAPSHAPSHAPS SeriesGAPS Series

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Eddy Current Killed OscillatorsFixed Amplitude Variable Current Oscillatorproximity switchesproximity sensors

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aircraft thermal environment ]vibration ]EMI ]lightning environments ]engine nacelle ]landing gear ]wing ]door environments ]Doors and slides ]Ram Air Turbine (RAT) ]Thrust reverser and engine accessory ]Flap skew ]Flight surface travel limits ]

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White Paper

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2020/5/11

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