Saturday, October 8, 2011

Avionics Bending: Pack Flow Indicator (Pinout)


The pack flow indicator shows the amount of cubic feet of ear being cycled through the packs per minute. The pack selector to the right selects which pack flow is being indicated.


The instrument is very basic and only uses four pins, two for instrument lighting and two for the DC indicator value. 


Here is the instrument pinout:

Pin 1 - 5V AC Lighting
Pin 2 - 5V AC Lighting
Pin 4 - Pack Flow GND
Pin 5 - Pack Flow Value (+)

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