Wiring Automatic Crossing for DCC

[Rusty Spike]

I purchased a Tomar HO Signal Crossing set (H-862; no gates, just lights - very nice model). I also purchased a Walthers HO Crossing Signal Controller (933-2307). It is designed for a DC layout and says don't connect it to a DCC layout. I was aware of this when I purchased it.

I have a DCC layout but figured once I got the stuff I'd find help here on the Gauge to convert it.

I requires 19VAC and to be connected to the track. I'm fine providing 19VAC but what's a safe way to replicate the track DC and does it really need to sense our pull voltage on the track relative to a train passing through? The sensors that are placed between the ties are wired specific connector sites on the exterior of the controller.

Can I supply the track voltage via a wall adapter that puts out 3 or 4 VDC?

THANKS in advance!

 

[Rusty Spike]

I just read some fine print - "track polarity determines which sensors are active. Hmmm.

I just called Tomar and ordered the Logic Rails system they recommend. Didn't see that at Walthers.com

 

[Torpedo]

Without knowing anything about the items, other than what is in your post, I would say you need to acquire one or more DCC block occupany detectors (BOD) and trigger the crossing signal from the BODs output, perhaps via a relay between them.