Re: Power supplies

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Dan Mauch" <dmauch@s...>
wrote:

> The xylotex unipolar board is designed to run at a max of 44VDC but
> recommends the voltage be held to 34 +/-VDC for various reasons.

And yes you

> can run a stepper motor at 10 to 25 time it rated unipolar voltage

if you

> use a chopper driver.
> Dan

Op's the BI-polar board is 28 volts, the UNI-polar is 44 volts.

That means a 24 VAC transformer, bridge and cap will deliver around
34 volts. That offers good voltage and mainstream parts. 24VAC
transformers are easy to find.

Dave