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5V Source

 
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Jaybannist(at)cs.com
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PostPosted: Sat Jul 07, 2007 6:55 am    Post subject: 5V Source Reply with quote
Hey all you electronikers:

My Dynon EMS-D10 instructions tell me to connect a white/red wire to my 5V excitation circuit. Even though I really like excitation, I don't have an excitation circuit in my airplane. I don't have a 5V tap on my battery either.

Please explain what an excitation circuit is and where do I get one?

Jay in Dallas

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n282rs(at)satx.rr.com
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PostPosted: Sat Jul 07, 2007 9:55 am    Post subject: 5V Source Reply with quote
Jay

Are you sure that the Dynon unit doesn't supply it? My Grand Rapids EIS had a wire in bundle that supplied the excitation voltage. On the EIS, the excitation line just supplies power to some lower voltage accessories like fuel senders and amperage sensor in my case. I would think the Dynon does the same.

Randy Stout
n282rs(at)satx.rr.com
www.geocities.com/n282rs

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Jaybannist(at)cs.com
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PostPosted: Sat Jul 07, 2007 10:21 am    Post subject: 5V Source Reply with quote
Randy,

Thanks. I re-read the manual, and sure enough, the wire I asked about SUPPLIES 5V; it doesn't REQUIRE a 5V source. The manifold sensor (which I don't have and won't have), carb temp sensor (ditto), trim & flap position pots (ditto), coolant pressure & temp sensors (ditto) all require this 5V source. So I guess I could just hold on to the wire and get myself excited.

Thanks again - Jay in Dallas
n282rs(at)satx.rr.com wrote:

[quote]

Jay

Are you sure that the Dynon unit doesn't supply it? My Grand Rapids EIS had a wire in bundle that supplied the excitation voltage. On the EIS, the excitation line just supplies power to some lower voltage accessories like fuel senders and amperage sensor in my case. I would think the Dynon does the same.

Randy Stout
n282rs(at)satx.rr.com
www.geocities.com/n282rs

--

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