LA23GCKC-P500A Stepper motor PACIFIC

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Essential details：LA23GCKC-P500A Stepper motor PACIFIC

Stepper motor is also known as pulse motor. Based on the most basic principle of electromagnet, it is a kind of electromagnet that can turn freely. Its action principle is to generate electromagnetic torque by relying on the change of air gap permeability. The original model was created between 1830 and 1860. Around 1870 began to try for the purpose of control, applied in the hydrogen arc lamp electrode conveying mechanism. This is considered to be the original stepper motor. In 1923, James Weir French invented the three-phase Variable reluctance type, which was the predecessor of the stepper motor. At the beginning of the 20th century, stepper motors were widely used in automatic telephone exchanges. As Western capitalist powers fought over colonies, stepper motors found widespread use in stand-alone systems such as ships and aircraft that lacked AC power. The invention of the transistor in the late 1950s also gradually applied to stepper motors, which made digital control easier. After 1980s, due to the appearance of cheap microcomputer with multi-function attitude, stepper motor control mode is more flexible and diversified.
The biggest difference between stepper motor and other control purpose motor is that it receives the digital control signal (electrical pulse signal) and converts it into the corresponding angular displacement or linear displacement. It is itself an executive element to complete the digital mode transformation. And it can be open loop position control, input a pulse signal to get a specified position increment, such a so-called incremental position control system compared with the traditional DC control system, its cost is significantly reduced, almost no need to adjust the system. The angular displacement of the stepper motor is strictly proportional to the number of input pulses and synchronizes with the pulses in time. So as long as the number of pulses, frequency and phase sequence of motor windings are controlled, the desired Angle, speed and direction can be obtained.
Chinese stepper motor started in the early 1970s, and from the mid-1970s to the mid-1980s was the development stage of finished products. New varieties and high performance motors were constantly developed. At present, with the development of science and technology, especially permanent magnet materials, semiconductor technology and computer technology, stepper motor has been widely used in many fields.

LA23GCKC-1Y

As a special motor for control, the stepper motor can not be directly connected to the DC or AC power supply, must use a special driving power (stepper motor driver). Before the development of microelectronics technology, especially computer technology, the controller (pulse signal generator) is completely realized by hardware, the control system uses a separate component or integrated circuit composed of control loop, not only debugging and installation complex, to consume a large number of components, and once finalized, to change the control scheme must be redesigned circuit. This makes it necessary to develop different drivers for different motors, the development difficulty and development cost are high, the control difficulty is greater, limiting the promotion of stepper motors.
As the stepper motor is a device that converts electrical pulses into discrete mechanical motion and has good data control characteristics, the computer has become the ideal driving source of the stepper motor. With the development of microelectronics and computer technology, the control mode combining software and hardware has become the mainstream, that is, the control pulse is generated through the program to drive the hardware circuit. Microcontroller through software to control the stepping motor, better tap out the potential of the motor. Therefore, using single chip microcomputer control stepper motor has become an inevitable trend, but also in line with the digital trend of The Times.

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