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I have two parallel tracks with isolated outside rails. I have two double track signal bridges wired to a Three-Rail 2 Relay controller that works fine. I am trying to wire a crossing gate to be activated by either isolated rail. I can't jumper the two rails because it turns both signals red from one track. I can't jumper the two relays for the gate because one relay is holding it open when the other tries to activate it. Is there a way to use either isolated rail to activate the same or two different relays and still not interfere with the signal bridges?
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You would need 2 DPDT relays,one for each track. The down NO contacts would be in parallel so that when either relay is on the gates come down. The 2 NC contacts would be in series with each other,so that both relays would have to be off for the gates to come up. Using an insulated rail to activate relays and a wire diagram for the gates is shown here.

http://www.jcstudiosinc.com/Bl...d=410&categoryId=426

Dale H
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OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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