Re: Driving unmarked steppers

Paul,

Figure 12W per coil. Knowing W=(I*I)/R ,then solving for current,
I= square root (W/R). Plug in 12/0.8 and take the square root. The
answer is 3.9A or more likely 4A per phase, 3 volts.

Mariss

--- In CAD_CAM_EDM_DRO@y..., Paul <Paul.Corner@t...> wrote:
>
> Hi Guys
>
> I have an oddball Type 34 stepper motor (six wire) without any
numbers on it.
> The windings both read approx 0.8 Ohms accross the full coil. What
would be
> the best way of determining the drive current with a Gecko 210 ?
>
> Regards, Paul.