Re: 2 phase, 6 wire motors connections

Hi Lloyd,

A six wire motor was designed to be driven unipolar, therefore it
generates it's rated torque with one coil energized. Wiring both
coils of a phase in series will not generate more torque, just the
same torque at 1/2 the rated current. The trade off is a much
steeper torque drop off with speed.

The only reason to use both windings in series is to match a low
inductance motor to a low powered drive like the Xylotex or L297/298
based ones.

If you think about that case, say you have a 5A motor and Xylotex
2.5A driver, you are powering a ferrari with a three cylinder suzuki
motor :)

http://geckodrive.com/ycom/documents/C163R21_step_motor_white_paper.pd
f

Regards,
Mark

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Lloyd Leung" <lloyd@l...>
wrote:

> Am I correct to think, if I hook up in the stepper motor in half

winding,

> I'm going to get higher speeds, lower torque. Full winding, slower

speeds,

> more torque?
>
>
>
> Thanks
>
> Lloyd
>
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> [Non-text portions of this message have been removed]