PSXAR - BD4 Autoreverse Stop
I'm working on a scheme to utilize the PSXAR photcell inputs to stop a train at either end of a reversing section of track. This idea uses the PSXAR's tortoise output to drive a relay. The relay will direct which photocell is availale. The Photocell will be armed by a DS64, which gets it's input from a BD4.
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