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Long address less than 128

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  • Member since
    February 2007
  • From: Christiana, TN
  • 2,134 posts
Posted by CSX Robert on Wednesday, July 17, 2013 7:02 AM

retsignalmtr

...Any address higher than 127 must be used with the leading 0. So address would be 0128. 

No, the leading zero is not required.  Since addresses above 127 can only be extended addresses, no leading zero is ever required on addresses above 127.  The leading zero is only required on NCE on addresses below 128 to distinguish between an extended address and primary address, and never required on Digitrax.

 

  • Member since
    February 2002
  • From: Reading, PA
  • 30,002 posts
Posted by rrinker on Wednesday, July 17, 2013 6:27 AM

 Probably the biggest failure of the NMRA standard - on Digitrax, 1-127 is ALWAYS a short address, 128+ is a long address. On Lenz, 1-99 is always a short address, 100+ is always a long address. On NCE, 10127 can be a long or short address, 127+ is always a long address. So there are ranges od addresses that will work on one system but not another. And you can have a loco address 5 and another 005 on NCE and they are two different addresses - the former a short address, the latter a long address.

             --Randy


Modeling the Reading Railroad in the 1950's

 

Visit my web site at www.readingeastpenn.com for construction updates, DCC Info, and more.

  • Member since
    February 2002
  • From: Westchester NY
  • 1,747 posts
Posted by retsignalmtr on Wednesday, July 17, 2013 5:26 AM

On a Digitrax system any address up to 127 is considered a 2 digit address. So address 105 can be entered and run as 105. Any address higher than 127 must be used with the leading 0. So address would be 0128. 

  • Member since
    September 2002
  • 216 posts
Posted by KemacPrr on Tuesday, July 16, 2013 10:37 PM

You can't. Digitrax will not recognize the 4 digit address under 128 like NCE will. I'm guessing you have used a 0 as the lead digit. Such as engine 105 uses address 0105. You'll have to change it to a 1-127 2-3 digit address for Digitrax. ----------------- Ken

  • Member since
    July 2010
  • 126 posts
Long address less than 128
Posted by grinnell on Tuesday, July 16, 2013 10:29 PM

On my NCE system I have long addresses less than 128. How do I run those locos on a layout that uses Digitrax?  Do I have to change them to a short address? or is their something else I can do (the digitrax manual doesn't seem to have the concept of long addresses less than 128)?

 

Grinnell

 

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