I purchased an XY table from eBay that was parted from a spectrophotometer. There are two unmarked/unbranded motors attached which I assumed were stepper motors, but tonight as I test it I think they may be something else.
Here is what I was able to determine: 6 wires with three pairs. 2 wires (one of the pairs) appear to be ground in that the insulation is clear showing the copper When I connect the other two pair (red-yellow or blue-green) to the multimeter and spin the motor, it produces AC voltage of around 5V, but the faster I move the table, the higher the voltage. Testing the "ground pair" in the same manner produces no voltage, but one "ground lead" to one lead from the other wires produces about half as much voltage.
I'm assuming I'll need to get a motor controller, and then send the pulse signals from the Arduino, but I don't know what type of controller... two phase, three phase... and then how do I hook the motor to the controller? It seems like the controllers I've seen only have three connections for the wires from the motor.
Am I on the right track?
Thanks for your help! -Mark