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IBBS & GNC255A

Craw

Active Member
Gooday All,
I'm going through my design drawing for the IBBS 3/6AH TCW battery for my G3X panel. I would like to power my GNC255A comm as one of the devices in case of an emergency via the IBBS.

My question is will the head unit function as a comm radio (not NAV) with power provided to Pins 30,43 & 44 of P2001?

I would like to confirm the unit will function minus the NAV functionality. I would prefer to not run IBBS power to the NAV portion of the unit on pins 51 & 52 of P2002.

Thanks in advance for your feedback.
 
GNC255A Power

Assuming you have a 14 V system.
The COM (10A) and NAV (4A) boards have their own circuit breaker.
So yes they are separate units in one box.
See attachment.
However the IBBS can only supply max 5A and 10A for 30s.

Good Luck
 

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