> On Tue, 26 May 2020 at 19:45, Gene Heskett <ghesk...@shentel.net> wrote:
> 
> > I just tried an experiment.  Since there are no pid's in that sheldon
> > setup, I commented out the *ERROR entries in the .ini file. Interesting
> > as it made zero difference in how it ran.
> 
> That probably means that the default values are large.
> 
> You don't need PID to measure f-error. It is the difference between
> motor-pos-cmd and motor-pos-fb for each axis.
> (Just that, and nothing more)

But as I understand he made the test without feedback of measured value ...


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