RailPro > RailPro Specific Help & Discussion
Go Deadrail with RailPro
William Brillinger:
DISCLAIMER: I don't really know of this is the only issue.
The concern I see is that if the power dropped low enough for the module to shut down while programming then it could be toast. Programming while the unit is on a charging track would presumably negate this worry.
nodcc4me:
--- Quote from: Shawn T Hogan on January 18, 2016, 11:44:28 AM ---Hello Bill,
Let's see if I understand you correctly: The voltage needs to be XX for programming to be successful and not destroy the module. Once programming is complete, then one could run with a lower voltage?
Shawn
--- End quote ---
RP power supplies output regulated power, so whatever the current draw from several locomotives or even one older one, it can provide enough current for all of the module functions. I have an old DC power pack hooked up to a small test track where I work on my engines. It outputs about 15 volts of unregulated power, similar to battery power. I can move engines and operate lights but some sound files will not play properly due to voltage drops. I have done programming with it at times, without problems, but as a rule, I program on the layout. RP modules are protected from overcurrent but as Bill stated, undercurrent while programming could cause a glitch and ruin a module.
Shawn T Hogan:
Hi Al,
Good to know. I have a Star-tec walk around throttle that puts out 18V regulated so I guess I could use it as you use your old throttle. But I don't want to burn up a module.
BTW- love your email and the tag line after your signature!!
Shawn
nodcc4me:
Thanks Shawn. Fishing is my other hobby when it isn't 20°. ;D
melarson:
--- Quote from: Michael Larson on December 21, 2015, 11:29:38 AM ---Next step is of course to get it installed in the engine. That may take another month or two but when done I will post another video.
--- End quote ---
Well, it has been a lot more than a couple of months but the system is finally installed in the Big Boy. The first photo shows the battery pack and the Converter/Charging board in the tender. The second shows the placement of the battery shut-off switch on the tender's frame. The LM-3S module and the speaker are in the boiler (not shown because it was nearly impossible to get a good pic of that). I've included the schematic of the system showing how it is installed (PDF, attachment).
This morning I am off to the club to take more pictures and videos and will post them when I get back.
Battery Powered LM-3S Schematic for Big Boy 4023 - color.pdf
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