Re: voltage based servo controller ?

That said, is it of any use ?

Should I check with the guy to see if he has the matching motor ?

And I guess the most important question of all, is there software that
will run it on my PC ?

Dave

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@...> wrote:
>
> turbulatordude wrote:
> > Hi all,
> >
> > I picked up a servo controller today and while trying to find out more
> > data on how to connect it, I found out is is not a step and direction
> > based unit, but a voltage control based unit.
> >
> > There is a pixie interface that is discontinued. the Pixie used to
> > turn the step and direction into the inputs for this unit.
> >
> > Anyone know what it was originally used for ? was it the first tyep
> > of control before step and direction became the rage ?
> Yes, this is most likely a velocity servo amp. It uses a
> tachometer on the motor to match actual speed to the voltage
> command. These are still used today, and there must be millions
> of machines out there using them. Step and direction may be the
> rage for home shop systems, but not as common in
> industrial-class machine tools. The most common arrangement is
> a +/- 10 V command voltage proportional to 100% speed.
>
> Jon
>