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Reply to "Proposed Solution to DCS Watchdog in Yard Tracks (DCS-RC WD Gerber Files Added to First Post)"

@stan2004 posted:

Of course this is all in the spirit of OGR being a discussion forum.  That said ...

I think the trick would be to power up an unused/available TIU channel for a just a few seconds and then remove power....just long enough for the TIU channel to generate its power-on Watchdog.

As briefly discussed early in this thread (which is almost 5 years old!) I'd still push for a "solution" that does not require the user to rotate the switch to the "home" position each time changing the active yard track.  So it would be some kind of change detector that then activates a timer that applies track power for just a few seconds to an available TIU channel in passive mode.

You're right Stan, that was also part of that discussion.  Remember this diagram?  This was an effort to do exactly that, just connect the TIU channel in passive mode when one of the yard tracks was activated.  With a break before make rotary switch, the thinking was each track change would break power for long enough to force a reset of the channel and another WD instance.

You scuttled this whole scheme with the clever WD reset board for the DCS-RC, that ended up being such a much better alternative that I abandoned thinking about doing it with a TIU channel.

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