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DJ Models Class 14xx DCC settings that will stop poor running.


swiftbeam
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Hi,

 

Short story super short, I have a DJ Models 14xx that ran very poorly on Zimo DCC. I rang Hattons and asked why, coreless motor was the reason. They gave me some CV settings to program in to stop it, they WORKED !!!

 

HERE THEY ARE :-)

 

CV5 TO 255

CV6 TO 128

CV49 TO 17

CV51 TO 0

CV52 TO 0

CV53 TO 140

CV54 TO 40

CV55 TO 28

CV56 TO 255

CV124 TO 4

 

Now she is smoooooooooth :-)

 

 

Hopefully helps somebody :-)

Rob.

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The only CV from your list that would have any influence on poor running on a Zimo chip is CV56 (Back EMF control) but the value given (255) is outside the range (0-199)

Maybe it has defaulted to the maximum value of 199. Values 100-199 are specifically for coreless motors.

 

Cv49-55 are used with the Zimo HLU or ABC braking.

 

CV5,6 are the speed curve

 

CV124=4  sets F7 to half speed shunting.

 

Are you sure its a Zimo chip? If it is then the only one from your list worth changing for poor running is CV56.

 

(Hattons are listing a Bachmann 36-586 for the 14xx which i think is a rebadged Zimo MX622N)

Edited by tender
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OK so it's defiantly a Zimo.

 

This is an extract from the Zimo manual for CV56, under the range heading (missing from the picture) the range is given as 1-199.

 

post-11105-0-45041100-1506966084.jpeg

 

I don't know what effect setting it to 255 (outside the range) would have but it might be worth playing around with it or at least trying the max value of 199 or 155?

But then again if it works for you, leave it alone.

 

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