Stepper Motor Circuits

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Revision as of 11:33, 30 June 2006


Basics

To control a stepper motor, you have to energize each winding individually in a specific and timed order. The energizing is accomplished by a driver circuit (an amplifier). The timing is performed by an indexer circuit and the objective (go forward, go backward, brake, coast, etc.) is controlled by some external user interface, such as a computer or joystick. The figure below shows this process.

Stepper motor block diagram.jpg


Example Circuit

References

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