RailPro > RailPro Specific Help & Discussion
Keep Alive installation w/ Railpro
William Brillinger:
Good points Alan. I have updated the post with a big fat warning.
KPack:
Good advice. I'm glad we have guys who understand electronics on here, because I am amateur at best.
-Kevin
Alan:
Electronics may work invisibly but water systems don't.
Rail power -> External bridge -> KA -> LM -> Motor =
Well pump -> Check valve -> Tank -> Valve -> Pipe & faucet
What is the flow rate of water coming out of a leak in the pipe? Answer: Only as much as the valve will permit.
Rail power -> LM -> KA -> Motor =
Well pump -> Valve -> Tank -> Pipe & faucet
What is the flow rate of water coming out of a leak in the pipe? Answer: Only as much as the valve will permit plus suddenly every bit of water in the tank.
Supercapaictors are really big tanks!
* the analogy is not completely correct but you get the idea.
William Brillinger:
--- Quote ---I'm glad we have guys who understand electronics on here, because I am amateur at best.
--- End quote ---
Me too!
William Brillinger:
UPDATE!
I received some Keep Alives last week, which I ended up ordering from Litchfield Station, I wanted to order them from YankeeDabbler, but YD has an error in the price of the KA4 on their website and they never responded to my email or call, which is unusual for them :(
I am very pleased with the service from Litchfield, The order came very fast, the price was the same as YD, and when I asked if they would offer free shipping on my $200 order, they did! :)
I got several TCS KA-3's and TCS KA-4's. they are smaller than I imagined and guess what!?! THEY WORK!!
I did a test install of a KA-3 tonight into a Kato SD40-2
It worked, nothing exploded and it runs fantastically!
It also keeps the sound going for about 30 to 40 seconds after the power is removed if the motor is not moving.
One issue I did notice is that I am seeing frequent power warnings. No red warnings, just that the power is on the "low" side of good.
Soldering up the Bridge Rectifier:
I marked the + lead on the Bridge Rectifier with sharpie to keep it oriented correctly, and I used red heat shrink to easily identify it later:
I use a quick plug system so I can easily separate the trucks from the module as seen here:
Here you can see the KA-3 with the LM-2S:
As you can see I have a lot of spare wire in that unit, this is because I have not wired in the lights etc. eventually I hope to have a quick plug set to separate the carbody from the chassis too, then I will shorten everything up. this unit has more work to be done before that happens though.
Cheers!
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