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14 speed steps?

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  • Member since
    April 2010
  • From: glendale,az
  • 94 posts
14 speed steps?
Posted by flyboy10 on Saturday, July 24, 2010 3:24 PM

bought a new atlas sd60m today it has a digitrax dn147a already installed but it seems to be set to 14 speed step mode how do i change this i checked the manual and it does support 28/128 steps?

  • Member since
    February 2008
  • 8,878 posts
Posted by maxman on Saturday, July 24, 2010 3:35 PM

flyboy10

bought a new atlas sd60m today it has a digitrax dn147a already installed but it seems to be set to 14 speed step mode how do i change this i checked the manual and it does support 28/128 steps?

Instructions for decoder are here: http://www.digitrax.com/v1/dn147a.htm

CV table for decoder is here: http://www.digitrax.com/v1/cV29%20config%20register.htm#Table29

Looks like default value for CV 29 should have been 6.  Looks like you want it set to 34 unless you want engine to be capable of running on DC.  If you want to run dual mode, looks like value in CV 29 should be 38.

Please check the table to see that the value in CV29 does what you want the engine to do. (and that I haven't given you the wrong number!!)

  • Member since
    April 2010
  • From: glendale,az
  • 94 posts
Posted by flyboy10 on Saturday, July 24, 2010 3:36 PM

thanks for the quick response !

  • Member since
    February 2008
  • 8,878 posts
Posted by maxman on Saturday, July 24, 2010 3:38 PM

flyboy10

thanks for the quick response !

Welcome.  But let me know if I gave you the wrong info so that I don't do it again.

  • Member since
    April 2010
  • From: glendale,az
  • 94 posts
Posted by flyboy10 on Saturday, July 24, 2010 5:42 PM

i have resolved the speed step issue but the locomotive is running only periodically and the light however stay on consistently maybe the motor tabs making poor contact ?

  • Member since
    February 2008
  • 8,878 posts
Posted by maxman on Saturday, July 24, 2010 7:31 PM

flyboy10

i have resolved the speed step issue but the locomotive is running only periodically and the light however stay on consistently maybe the motor tabs making poor contact ?

Since this is a separate problem, I suggest that you make a new post with the new problem as the subject.  You'll get more answers that way.

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