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Alpha Mimic Ground Signals Without the Mimic Board


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Hello,

 

I am wondering how to wire the dcc concepts alpha mimic ground signals without using the mimic board. The signals only have 2 wires, and to change the aspect, you have to change the polarity. Using a DPDT switch to change manually seems easy enough, but I was wondering how to link the signal to a point motor, so the signal will change automatically?

 

Could you use a DPDT relay linked to the point motor switch to change the signal? I was thinking that if a point motor switch can be used as an 'on off' switch, this could power the relay to alter the polarity for the signal.

 

Also, the signal will need resistors, should these be used between the relay and signal, and would both wires to the signal need a resistor?

 

Thanks, Stuart.

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