Re: [CAD_CAM_EDM_DRO] Gecko Drives with 8A motors

Alan Marconett KM6VV wrote:

> Hi Bill,
>
> Should work OK if you use the proper resistor to limit the current.
> Won't hurt the drives, you'll only get a little lower torque.
>
> Alan KM6VV
>
> mailliw999@... wrote:
> >
> > Hi,
> > I have two Superior Electris steppers, Type KML093F-109. These are
> > 2.06 Volt, 8.2 Amp, 200 Steps/Rev motors. Is it possible to use
> > Geckos to drive these even though the Geckos are 7 amp max? Will this
> > destroy the drives, or will I just get lower performance from the
> > motors than I would with a drive that is rated for the full amp
> > rating of the motors? If Geckos will not work, can anyone suggest
> > other options than Microkinetics 10A drivers?

Gecko drives do not use resistors to limit current. You are
thinking of outdated R/L drives. Chopping-type drives use a
current sensor, and switch transistors to limit current.

Jon