I think peters solution would work just fine. You have acceleration time.
It isn't like the stepper is going to be instantly moving at to speed.
The leadshine seems to have this built in. After it doesn't see any steps
it lowers power. Once it sees steps - it raises it back up. Unknown to
linuxcnc.
On Thu, Sep 10, 2020, 4:46 PM Gene Heskett <ghesk...@shentel.net> wrote:
> On Thursday 10 September 2020 15:07:51 Peter C. Wallace wrote:
>
> > On Thu, 10 Sep 2020, Gene Heskett wrote:
> > > Date: Thu, 10 Sep 2020 13:53:24 -0400
> > > From: Gene Heskett <ghesk...@shentel.net>
> > > Reply-To: "Enhanced Machine Controller (EMC)"
> > > <emc-users@lists.sourceforge.net>
> > > To: "Enhanced Machine Controller (EMC)"
> > > <emc-users@lists.sourceforge.net> Subject: [Emc-users] Q for Peter
> > > CW.
> > >
> > > Greetings Peter;
> > >
> > > How hard would it be to convert the joint.#.free-tp-enable into
> > > move-is-in-progress signal?
> >
> > I think I would just use the "near" component on the commanded joint
> > velocity so when the commanded joint velocity is very "near" 0, the
> > current is lowered
> >
> True but subject to the time granularity of the servo-loop, and not fast
> enough to catch the first step without thinking about addf ordering.
> I'd like to home it, and not worry about losing steps.
>
> hal snippets welcome.
>
> Thanks Peter.
> >
> > Peter Wallace
> > Mesa Electronics
> >
> > (\__/)
> > (='.'=) This is Bunny. Copy and paste bunny into your
> > (")_(") signature to help him gain world domination.
> >
> >
> >
> > _______________________________________________
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> > https://lists.sourceforge.net/lists/listinfo/emc-users
>
>
> Cheers, Gene Heskett
> --
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> -Ed Howdershelt (Author)
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>
>
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