RE: [CAD_CAM_EDM_DRO] Yet another NEMA 42 roadblock

Stop procrastinating and second guessing. Just connect the damn things
and turn it on. If you have the polarity wrong it will just sit there
and buzz. Obviously their diagram does not match your motor.

Tim
[Denver, CO]
Sherline products at Deep Discount
Mach1 & DeskCNC with credit card ordering
www.KTMarketing.com/Sherline
Now selling Visual Mill

> -----Original Message-----
>
> I'm still fighting the battle of my unmarked NEMA 42's
>
> I was all set to hook them up and I got a connection diagram from
> Superior Electric on their 8 connection stepper motors to make sure I
> got the polarity of the windings right. They show windings from
> terminals 1-6, 2-3, 4-8 and 5-7
>
> I have continuity between:
>
> 1-6, 2-8, 4-7, 3-5
>
> I know that proper polarity is important and specific windings are
> important, but don't know how to proceed from here to identify the
> terminals without opening the stepper (which I understand is a no-no).
>
> Please help.
>
> Clueless in Brooklyn
> Jeff