Anne,

Thank you for your comments.
The system has a specified requirement to incorperate movement checking so altho
ugh it does not need it it has to have it for confirmation.

Regards

Gary

Anne Ogborn wrote:
>
> Gary,
> If your stepper isn't moving very fast, and you aren't grossly overloading the
 stepper so it misses steps or slips, you
> should be able to just use the stepper by itself.
> The whole POINT of a stepper motor is, it moves a set amount each
> phase change.
> A common need with steppers is to figure out where they are at power
> on. Usually this can be handled with a photodetector or some such
> and slewing the motor around until you detect the photodetector.
>
> That's what's happening when you turn on a cheap computer printer
> and it slews the carriage to one end.
>
> --
> Anniepoo
> Need loco motors?
> http://www.idiom.com/~anniepoo/depot/motors.html