I am operating under legacy with six 135w bricks through two TPC 4000s. I installed a PSX between each TPC and its track. Set each PSX to trip at 17.4 amp and to “manual reset”. When I have a short, I press the “panic” button on my CAB and then when the short is corrected, I press “track 1 boost” to restore power. But this is what I have been doing all along with my TPC’s !!
This works because when I see my switch lights go off (I have dz2500s powered off the track) or I see a derailment, I know that one PSX has tripped. By pressing the CAB “panic” button, I shut track power off from both TPC’s and thus power to both PSX’s . When I do a “track 1 boost” both PSX’s when powered up are reset and I have track power in both the North and South part of my layout.
One advantage of this system is that anyone can control track power from anywhere in the room using their CAB2!! It is not necessary to run over and press a reset PSX button. Very useful for club meetings on a larger layout.
In addition a possible problem is covered. The North end of my layout is powered by one TCP/PSX and the South end by the other one. If N trips and S doesn't, S trains continue to run until I hit the “panic” button. During this time if a S engine cross the boundary, it momentarily has full power on its rear pickup and N’s shorted track under its front pickup. However, the South PSX trips electronically preventing damage to the engine.
For more info on PSXs see forum discussion.
https://ogrforum.com/d...ent/3259945169936428
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