Created
May 4, 2014 23:15
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How to wire an 8-lead stepper
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| I. Find coils | |
| -with the stepper unplugged, spin the motor by hand | |
| -touch two leads together and see if it is harder to spin | |
| -if it is harder to spin you found a coil | |
| -keep testing the rest and find all 4 coils | |
| II. Find pairs | |
| -name coils 1 through 4 and make a note of their colors for later reference | |
| -plug in coils 1 and 2 then plug in and run the motor to see if it spins | |
| -change coil 2 for 3 then plug in and run the motor see if it spins | |
| -if the motor spins both times, coil 1 is paired with coil 4 | |
| otherwise coil 1 is paired with the coil that didn't spin | |
| III. Match polarity | |
| -name the coil pairs A and B | |
| -leave coil 1 of pair A plugged in and the other coil of pair A unplugged | |
| -choose one wire from each coil in B and connect them together | |
| -plug in the other two wires from B and see if the motor spins | |
| -if so then B now have the same polarity | |
| -if not then swap the wires of one coil in B (you can test to make sure the motor spins) | |
| -leave pair B plugged in and disconnect coil 1 | |
| -continue as above to match the coil polarity of pair A |
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