Why does my stepper motor not Rotate after being connected to the drive?

Here is a quick troubleshooting guide on how to solve the problem of a stepper motor or BLDC motor not spinning after being connected to a drive.

1, check the line, if it is the first connection, be sure to confirm the phase line of the motor, or according to the drawing wiring. The wiring of the driver should refer to the statement of the first floor, do not connect wrong; If this problem occurs in the motor that is being used, first check whether the motor line is damaged and disconnected, if disconnected, it will also cause the situation you said.

2, check the load, the load is too heavy, the motor off the load check.

3, check the frequency of the input pulse, the input frequency of the stepper motor can not be too high, too high will lead to the motor only ring does not turn.

Stepper motor is an open-loop control motor that converts electrical pulse signal into angular displacement or linear displacement. It is the main executive element in modern digital program control system and is widely used.

In the case of non-overload, the speed of the motor, stop position depends only on the frequency and number of pulse signals, and is not affected by load changes, when the stepper driver receives a pulse signal, it drives the stepper motor to rotate a fixed Angle in the set direction, called "step Angle", its rotation is a fixed Angle step by step operation. 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 can be controlled by controlling the pulse frequency, so as to achieve the purpose of speed regulation.

Stepper motor is a kind of induction motor, its working principle is the use of electronic circuits, the direct current into time-sharing power supply, polyphase timing control current, with this current for the stepper motor power supply, stepper motor can work normally, the driver is for the stepper motor time-sharing power supply, polyphase timing controller.

As an executive component, stepper motor is one of the key products of mechatronics and is widely used in various automatic control systems. With the development of microelectronics and computer technology, the demand for stepper motors is increasing day by day, and they are applied in various national economic fields

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