Reply to "Circuit for constant to momentary relay for insulated rail operation"

George SOGR Forum Member

I think I have another solution for this. Assuming I have the components, I will try setting it up this weekend. The LGB EPL switch has a companion supplemental switch that can be used to control things based on the switch direction. It can be used to control another switch or to light red/green lights to show the switch direction. If I use a quad comparator with an insulated rail, I should be able to trigger a relay to throw the EPL switch if it is facing the wrong direction. Once the switch is thrown, the quad comparator would shut off the relay. I assume I need a relay because I can’t run AC through the quad comparator.

Anything I should be careful about when creating this circuit? I think I can use the same DC power supply for the insulated rail and the supplemental switch. I think the supplemental switch is very basic, with input power terminals and two separate pairs of output terminals.

I’ll report back with results.

George

12/13/198:09 AM

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