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AeroElectric-List: Re: Source for Relay – DPDT (On) O

 
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Bob McC



Joined: 09 Jan 2006
Posts: 258
Location: Toronto, ON
PostPosted: Sun Dec 29, 2013 8:35 am    Post subject: AeroElectric-List: Re: Source for Relay – DPDT (On) O Reply with quote
Valin;

It's simple enough to take the two wires which reverse polarity (and which I would assume turn off when no motion is desired) and wire them to two relays through a pair of diodes such that one polarity energizes one relay and the other polarity energizes the other relay. One polarity thus energizes the "up" relay, opposite polarity energizes the "down" relay.
(As an aside the Lancair drawing you’ve included still has the same error in the notes on the motor leads that we discussed back in May of 2010. Where adjacent to the red wire it says “- negative close actuator extend flaps” it should be “+ positive close actuator extend flaps”)

Bob McC

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