There is a section in Appendix B (page 12) of our stepper controller
manual that explains how to figure out which wire is which in unipolar
steppers.  You can find the manual here:

http://www.designdevices.com/products/SSMC2/C1/manual.pdf


Quoting Ronald van Aalst <raalst@BART.NL>:

> have a look at the Jones at steppers" article published on the web
> by mr. Jones of MIT. very good article, explains more than you
> want to.
> search google for "jones stepper"
>
> Regards,
> Ronald van Aalst
>
> ----- Original Message -----
> From: Nic Scheepers <nic.scheepers@LOGICALSOLUTIONS.CO.ZA>
> To: <PICLIST@MITVMA.MIT.EDU>
> Sent: Tuesday, November 12, 2002 8:25 AM
> Subject: Re: [OT]:Stepper Motor
>
>
> Hi Roman,
>
> I will get back to you tommorow, do not have it with me now.
>
> But thanks in any case.
>
> Regards
>
> Nic Scheepers
>
>
>
> > -----Original Message-----
> > From: Roman Black [mailto:fastvid@EZY.NET.AU]
> > Sent: 12 November 2002 09:10
> > To: PICLIST@MITVMA.MIT.EDU
> > Subject: Re: [OT]:Stepper Motor
> >
> >
> > Nic Scheepers wrote:
> > >
> > > Hi there Roman,
> > >
> > > It is a 4 Wire but all the wires are the same color (brown)
> > thats why I need to get some other form of determining which
> > is which:-)
> >
> >
> > This is the easiest type, it is a 2-phase
> > bipolar motor.
> >
> > The 2 wires that connect together are each
> > phase.
> >
> > Does it have markings for current/voltage
> > specs or if you give the physical size and
> > coil ohms I can tell how to work it out.
> > -Roman
> >
> > --
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> >
> >
> >
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