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  1. 01-04-2014 #18
    Jonathan's Avatar
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    Jonathan
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    Quote Originally Posted by stirling View Post
    You'll get more torque from these motors if you wire them half-coil bipolar. i.e. use the centre taps and ignore two end coil wires. Then the rated current will be the 2.1A stated.
    True at 'high' speed, but rated current through half the number of turns - so less flux which means less torque than bipolar using all the coils.

    Useful summary here:
    UniPolar vs BiPolar wiring schemes for 2-phase Stepper Motors
    Last edited by Jonathan; 01-04-2014 at 01:23 PM.
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