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AXIS CONFIGURATION Question

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7 years 7 months ago #128472 by sandman92k
I hope i ask this correctly.... I am using KL5056 D Stepper drivers, the drivers dip switch are set at 4 micro steps and 800 steps/rev..

But as i try to configure linuxcnc for my current set up, the settings i want in linuxcnc should be
200 Motor Steps Per Revolution
2 Driver Microstepping..

Do i need to change the driver steppers dip switch to the settings i want in linuxcnc so they both match??

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7 years 7 months ago #128473 by andypugh
I would set LinuxCNC to suit the drivers.

If you have different microstep ratios in the driver and in LinuxCNC then your axes will move twice as far (or half as far) as they should.

It's fairly easy to work out if that is the case, it isn't a subtle error.

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7 years 7 months ago #128474 by sandman92k
so the drivers and linuxcnc should be the same settings,

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7 years 7 months ago #128475 by tommylight

sandman92k wrote: so the drivers and linuxcnc should be the same settings,

Yes.

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7 years 7 months ago #128503 by pl7i92
Replied by pl7i92 on topic AXIS CONFIGURATION Question
in genral Linuxcnc works on SCALE so it is the Number of steps per Unit
meaning steps/mm or steps/inch
THIS is PRINTED almost at the bottom of the Stepconfwizard
so you can controll this as you caculate your Hardware and softwarestepping

THE wizards calculate also for you but only to check

200Steps/Motor 4Microsteps -> 800steps/rev

pitch Ballscrew 2005/1605 -> 5mm
so you got 800/5 -> SCALE 160Steps/mm

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7 years 7 months ago #128517 by sandman92k
I really appreciate all the help i get from all on this site, its always been a great resource for me...

some of this I just do not understand and i apologize for that...When I read the manual it does not help me all the time, but i always try it first...

In my case do the step drivers dip pin need to be changed or does the linuxcnc only allow what you put in the config...
example, my step driver are set at 4 micor steps and 800 steps/rev..

but in linuxcnc in the config i input 200 microstep and 2 microstepping...
does linuxcnc only allow the 200/2 or do the mix match of numbers cause issues at the table,

thanks for the help in advance,

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