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[quote user="richhotrain"]I don't see how the installation of the RRampMeter between the booster and the circuit breakers could adversely affect the breakers.[/quote] Yeah I couldnt figure that one out either.  Is it possible the breakers in the PSXs have a different trip timing than the Command station?  Is that adjustable?   The Command station is a bit on the old side, and it was used for several years as the only means of overcurrent/short circuit protection.  It says PH-1 in the bottom corner and Northcoast Engineering is spelled out.  Have no Idea how old the system is or if he ever updated it (apparently they send you a new chip in the mail when an update comes out). [quote user="richhotrain"]He didn't adjust CV49 while there were Trip Current jumpers on J6, did he?[/quote] There were no jumpers installed, nor did it appear that any were ever installed.  I tried shorting the output of the PSX's, it still dropped the whole layout.  We did not however disconnect the outputs of the breaker from the layout. (this should have been in my initial post) CV 49 is set to the lowest trip value of approximately 1.8A, for all of the CBs.
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