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AN3991 Datasheet(PDF) 2 Page - STMicroelectronics |
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AN3991 Datasheet(HTML) 2 Page - STMicroelectronics |
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2 / 15 page ![]() Contents AN3991 2/15 DocID022332 Rev 2 Contents 1 Hardware requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 Software requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Software installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Interconnection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Stepper motor characterization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 Running the motor evaluation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 7 Controlling three motors individually . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 7.1 Individual motor position control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 7.2 Individual motor speed control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 8 Controlling three motors with scripts . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Three_motors script text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Appendix A Additional instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Motor back EMF constant (Ke) measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 9 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 |
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