On Wednesday 12 August 2015 06:27:22 Valerio Bellizzomi wrote:

> On Wed, 2015-08-12 at 10:24 +0100, andy pugh wrote:
> > On 12 August 2015 at 09:48, Valerio Bellizzomi <[email protected]> 
wrote:
> > > heck no, I didn't find the info in ini file, but StepConf asks for
> > > it, so it should be written somewhere.
> >
> > It is there, it will be in [AXIS_3] as the SCALE. That is
> > steps-per-unit.
>
> yes found it. StepConf asks for steps per revolution, I wrote 200.0
> there and it writes out the ini file with SCALE = 40.0
>
But that is in motor revolutions with no microstepping in the driver.
Most rotary tables further divide that by a large divisor, typically 90 
turns of the motor for one turn of the table, or 4 degrees per full turn 
of the handwheel.  So when you entered 200, that was slightly more than 
double, so instead of moving 90 degrees for an A90 command, it would 
have moved 200 degrees?  Need more coffee here. :)
>
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Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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