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

OmanOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

George S posted:
OK, I tried a diagram. This is not so easy in Powerpoint. I only showed the wiring for one side of the switch and didn't finish the wiring of the second relay.The LGB 12070 is a SPDT switch that piggybacks on the LGB switch machine. I would only need to use one side of the 12070. I have all the components to build this. I can't find my project board or I would have had it mocked up already.
George

George

There are some issues with how you implemented the comparators. However, I don't see the comparators as being necessary. You want to turn on one relay momentarily, if the path is straight and the other relay if the path is divergent? I think this circuit does the same thing without the comparators.

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