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Powercab and PSX-AR for reverse loop

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  • Member since
    February 2013
  • 479 posts
Powercab and PSX-AR for reverse loop
Posted by HObbyguy on Saturday, March 19, 2016 7:24 PM

I am about to lay down the track for my reverse loop and have a PSX-AR board on the way.

I understand that there are issues with auto-reversers and NCE Powercab but the PSX-AR is supposed to work fine with the jumper set to 1.27 Amps.  We will see.  A few questions-

My loop is pretty simple and connects to the same length of mainline track using two turnouts.  I understand that I need to gap the track at both ends.  Is it OK to do that right at the turnouts?  This would leave the gaps even on both rails, not staggered.

My Powercab is still ver 1.28. I didn't get the "free upgrade" from sending the card in that came in the box, and then I dropped off the grid and never bothered to follow up with NCE.  Will the PSX-AR be OK without upgrading to 1.65?

Anything to watch out for on the wiring/hookups?

Huntington Junction - Freelance based on the B&O and C&O in coal country before the merger...  doing it my way.  Now working on phase 3.      - Walt

For photos and more:  http://www.wkhobbies.com/model-railroad/

  • Member since
    January 2001
  • From: SE Minnesota
  • 6,847 posts
Posted by jrbernier on Saturday, March 19, 2016 11:03 PM
The PSX-AR should work fine. Make sure it is set on it's lowest trip setting. You can get the Power Cab upgrade chip(Release 1.65 firmware) for around $20 - You can add additional cabs and the USB card so you can run JMRI. It also allows the recall stack to go 6 deep. Well worth the investment.

Jim

Modeling BNSF  and Milwaukee Road in SW Wisconsin

  • Member since
    February 2013
  • 479 posts
Posted by HObbyguy on Saturday, March 19, 2016 11:54 PM

I have a USB card and JMRI hooked up, also the NCE autoswitch card to disable the main when using the program track.

I've been doing all my loco programming using JMRI.  The PSX-AR instructions say that CV49 has to be set from 03 (the default value) to 01 to set the amps to 1.27, or set to 00 in order to use the amp jumpers on the card.  Can this be done easily from JMRI or will I have to figure out the sequence using the throttle keypad?

I went ahead and ordered the upgrade chip after my original post.

Also after reading the instructions I guess I'll cut the turnout rails a bit to offset the gaps 1/8" as suggested.

Huntington Junction - Freelance based on the B&O and C&O in coal country before the merger...  doing it my way.  Now working on phase 3.      - Walt

For photos and more:  http://www.wkhobbies.com/model-railroad/

  • Member since
    December 2004
  • From: Bedford, MA, USA
  • 21,483 posts
Posted by MisterBeasley on Sunday, March 20, 2016 11:25 AM

HObbyguy
My loop is pretty simple and connects to the same length of mainline track using two turnouts. I understand that I need to gap the track at both ends. Is it OK to do that right at the turnouts? This would leave the gaps even on both rails, not staggered.

If you are going to use the PSX-AR to actually throw the turnout, I would put the gaps a bit further into the loop.  This will give the turnout time to throw.  That's going to be more important with a slow-motion machine than with a twin-coil.

It takes an iron man to play with a toy iron horse. 

  • Member since
    February 2013
  • 479 posts
Posted by HObbyguy on Monday, March 21, 2016 9:26 PM

Got to say that hooking up the PSX-AR with Powercab was about as easy as it gets.  I just wired it up, set CV49 to 1.27 volts using the throttle, and the auto-reverse works perfectly.  I am not using any of the advanced functions, at least not yet.  Happy just to get my locos turned around without having to handle them.

Huntington Junction - Freelance based on the B&O and C&O in coal country before the merger...  doing it my way.  Now working on phase 3.      - Walt

For photos and more:  http://www.wkhobbies.com/model-railroad/

  • Member since
    July 2006
  • From: The Villages, Fl
  • 59 posts
Posted by bavrail on Tuesday, March 22, 2016 8:42 AM

If you are going to use twin-coil switch machines make sure you use a PSX-ARSC. 

The PSX-AR will only throw slow-motion machines. 

WS

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