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Date:  6-23-2017
Number of Hours:  4.00
Manual Reference:  Electrical Systems
Brief Description:  More EIS Wiring and Sensor/Component Installation

This morning I connected the Grand Rapids Technology (GRT) the Engine Information System and EFIS Backup Battery Charging System. This will keep the backup batteries charged in-flight. I also installed the CS-01 Hall Effect Current Sensor. I had a couple options on how to install the current sensor. One option is to measure the current directly from the battery Negative cable. This would show the rate of battery charge (or discharge) when the engine is running. The other option is to pass the Alternator Main Output Cable through the sensor. This option will show the amount of current being supplied by the alternator and, as a secondary affect, will show the current being consumed by the airplane’s entire electrical system. This is the option I selected. I also installed an alternator warning light which will flash when the alternator is starting to fail and will alert me to look at the appropriate warning screens on the EFIS and/or EIS to diagnose the problem or switch to backup batteries and find an appropriate place to land for repairs. I have at least 3 hours of backup battery power for all critical instruments in a “reduced load” emergency mode. This would also include the LASAR ignition system.
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Hall Effect Current Sensor

Hall Effect Current Sensor

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It's me doing this wiring

It's me doing this wiring

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Switches and warning lights

Switches and warning lights

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