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The servo motor encoder is a product installed on the servo motor, which is equivalent to a kind of sensor, but many people do not know what its specific function is. Here is an explanation for everyone:

1. What is a servo motor encoder?
As one of our industrial automation products, the servo motor encoder is a sensor installed on the ac servo motor to measure the magnetic pole position and the rotation angle and speed of the servo motor. From the difference of physical media, the servo motor encoder can be divided into photoelectric encoder and magnetoelectric encoder. In addition, the resolver is also regarded as a special servo encoder. Basically, the photoelectric encoder is used in the market. However, as a rising star, the magnetic encoder has the characteristics of reliability, low price, and anti-pollution.

2. What is the role of the servo motor encoder?
The function of the servo motor encoder is to feed back the rotation angle (position) of the servo motor to the servo motor driver. After receiving the feedback signal, the servo drive controls the rotation of the servo motor to form a closed loop control to achieve precise control of the position and speed of the servo motor rotation.

The servo motor encoder can not only feed back the stroke of the servo motor and compare the pulses sent by the PLC, so as to achieve a closed loop system; it can also feed back the speed of the servo motor, the actual position of the rotor, and let the drive identify the specific model of the motor. Perform closed-loop precise control for the CPU. When starting, the CPU needs to know the current position of the rotor, which is also given by the servo motor encoder.

Servo motor encoder is a kind of sensor, which is mainly used to detect the speed, position, angle, distance or count of mechanical movement. In addition to being used in industrial machinery, many motor control servo motors and BLDC servo motors are required to be equipped with the encoder for the motor controller to detect commutation, speed and position, so the application range is quite wide.

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