A stepping motor is a motor that converts electrical pulse signals into corresponding angular displacements or linear displacements. Each time a pulse signal is input, the rotor rotates by an angle or one step forward. The output angular displacement or linear displacement is proportional to the number of input pulses, and the speed is proportional to the pulse frequency. Therefore, stepping motors are also called pulse motors.
Advantages of stepper motors:
The stepper motor driver is an actuator that converts electrical pulses into angular displacement. When the stepper driver receives a pulse signal, it drives the stepper motor to rotate a fixed angle (called "step angle") in a set direction, and its rotation runs step by step at a fixed angle. The angular displacement can be controlled by controlling the number of pulses, so as to achieve the purpose of accurate positioning. At the same time, the speed and acceleration of the motor rotation can be controlled by controlling the pulse frequency, so as to achieve the purpose of speed regulation and positioning. The stepping motor and the stepping motor driver constitute a stepping motor drive system. The performance of the stepping motor drive system not only depends on the performance of the stepping motor itself, but also depends on the pros and cons of the stepping motor driver. The research on the stepper motor driver is carried out almost simultaneously with the research on the stepper motor.
Stepping motors cannot be directly connected to DC or AC power sources to work, and must use dedicated drivers. The driver (pulse signal generator) can control the angular displacement by controlling the number of pulses, so as to achieve the purpose of accurate positioning; at the same time, it can control the speed and acceleration of the motor rotation by controlling the pulse frequency, so as to achieve the purpose of speed regulation. As shown below.
Main features of PMD006xx: