Reply to "Controlling Legacy engines without 990 or TMCC remote? sorry in advance if this has already been addressed."

gunrunnerjohnOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

@Darrell posted:
The NCE 10 amp system can use your existing AC power supply. My 8 amp Digitrax system will not, it needs a DC power supply. The DCC signal is a square wave a/c supplied to the track. It will interfere with DCS, TMCC will work but will overheat coil couplers so still not a good idea to mix them.

I've tried TMCC/Legacy several times with DCC on the rails, we'll have to agree to disagree on the definition of "work"! In addition, lots of stuff doesn't work right with the DCC waveform on the rails, triac based motor drivers, the smoke regulator modules, and as you say, couplers.

While you can use an AC input to your NCE, it ends up regulating it to DC and then generating the track DCC waveform, so you're really just using the AC as a raw power source, it doesn't come anywhere near the rails.

11/30/221:27 PM

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