Reply to "Putting in saftey relays"

stan2004OGR Forum Member

I found these two OGR threads which I believe are what Clem K is talking about:

"can't be done" thread from 2015: https://ogrforum.ogaugerr.com/topic/track-blocks

"yes we can" thread from 2017: https://ogrforum.ogaugerr.com/...ong-trains-installed

Apparently, for Clem's system, the qualifying event is the breaker in ANY of the 4 bricks/blocks trips. This event is detected by the loss of voltage coming from that brick. The resulting action is power to all 4 blocks is removed. There are additional switches to reset/override this behavior.

I was thinking the problem might require coming up with a method to detect a derailment that does NOT cause a breaker to trip. That is, you want to quickly detect the derailment BEFORE it causes a problem (like a breaker to trip).

8/28/194:38 PM

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