Ground Switched Outputs — WSU

Ground Switched Outputs — WSU - Ground...

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Ground Switched Outputs Most computer outputs are controlled by the computer providing a ground for the circuit. An example is a cooling fan relay. The relay coil has ignition switched power applied to it and the computer will provide a path to ground when the relay is commanded on. A ground switched device will have system voltage at the computer terminal when the device is off and a low voltage, very close to ground, when the device is on.
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This note was uploaded on 02/06/2012 for the course AUSV 1320 taught by Professor Johnkelly during the Winter '12 term at Weber.

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