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Re: Track Detectors

Posted by SelkirkTMO on Sun Dec 13 22:12:43 2009, in response to Re: Track Detectors, posted by SelkirkTMO on Sun Dec 13 22:02:49 2009.

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Meant to add as to circuit function: The relay will be pulled in in the ABSENCE of a train. When the train interrupts the beam, the relay will drop out, indicating train presence. If power fails, train presence will also be detected as far as the relay goes, so it's almost vital. :)

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