What is the pulse of Stepping Motor? As a common electrical actuator, stepping motor is widely used in the field of automatic control.
The operation of the stepping motor needs to be equipped with a special driving power supply. The output of the driving power supply is controlled by external pulse signals and direction signals.
Each pulse signal can make the stepping motor rotate at a fixed angle, which is called step angle.
The number of pulses determines the total angle of rotation, and the frequency of pulses determines the speed of rotation. The direction signal determines the direction of rotation.
As for a specific equipment whose transmission speed ratio is determined, the moving distance and speed of the moving parts of the equipment can be controlled only by controlling the number and frequency of pulses without distance and speed signal feedback loops; The direction signal can control the direction of movement.
Therefore, for those applications where the control precision requirement is not very high, open-loop control is a relatively simple and economical electrical control technical scheme.
The subdivision operation mode of stepping motor is very practical, although its step angle is limited by mechanical manufacturing and cannot be made very small, however, the operation of the stepping motor can be divided into m small steps by electrical control to improve the accuracy and stability of equipment operation.
Numerical control system is commonly used to control pulse and directional signal sources of stepping motor power supply, but PLC (Programmable Controller)It is an ideal technical solution.
The stepping motor cannot be directly connected to DC or AC power supply, and a special driving power supply (Stepper motor driver). Controller (Pulse signal generator)
The angular displacement can be controlled by controlling the number of pulses, thus achieving the purpose of accurate positioning;
At the same time, the speed and acceleration of the motor can be controlled by controlling the pulse frequency, thus achieving the purpose of speed regulation.
Related reading: the relationship between automation industry and stepping motor, the development trend of DC stepping motor TAG stepping motor pulse