It didn't come with a stepper motor controller, so I am trying to find the correct board to use. The guy that I bought the machine from told me that the steppers were bipolar, but the motor itself has 7 leads and one more that has been cut short, or are they unipolar running in a bipolar mode cause there are only 4 leads going to the connector? (See picture) Can anyone tell be what I bought and what kind of controller that I should buy. I am looking at buying a Xylotex bipolar board unless the motors are unipolar then I guess that I should buy a chopper board cause they're faster, right?
Thanks for your help,
Ben D.
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If you don't screw it up, by definition you'll get it right.
8 Wires would be universal. Wired for unipolar or bipolar in various configurations. As bipolar, they can be wired for: half winding bipolar, series bipolar, or bipolar parallel.
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