Re: [CAD_CAM_EDM_DRO] Pleaes help !!! Stepper Motor Question.

shawnusa2002 wrote:

>I have 3 Compumotor M83-135's. I just recieved them in the mail
>today and what I thought was a eight wire stepper has turned into a
>5 wire setup. I do not know if this is a Unipolar or Bi-Polar
>stepper. The wire setup is as follows
>
>Phase 1 + Wht
>Phase 1 - GRN
>Phase 2 + BLK
>Phase 2 - RED
>Bar wire - Earth shield
>
>

Looks like bipolar only.

>These motors support 1.8a per phase and they are NEMA 34 400oz
>steppers. I don't know the voltage supported or the inductance.
>
>I would greatly appriciate any insight one might have on these. Can
>I use the Gecko drivers and if so, what do I do with the earth
>ground? I had bought some C Series drivers and now I can not use
>them cause they only use 6 or 8 wire steppers.
>
>

Yes, Gecko drives should work fine. You can just leave the shield wire
disconnected.
If you use shielded wires between the driver and motor, you can connect
the shield
wire to the cable's shield.

Jon