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Encoder: 25LR22-H application field and working principle

An encoder is an electronic component that converts an analog or digital signal into an encoded signal. Encoders are used in many applications, including automotive, robotics, industrial, medical electronics and consumer electronics. The 25LR22-H encoder is a multi-channel rotary encoder with a resolution of either 60 pulse counts or 360 pulses per turn. It is designed for medium to high speed applications with high accuracy requirements.

The 25LR22-H encoder is mainly used to detect rotations of a motor or machine shaft and is ideal for motor control, position feedback, and encoder wheel applications. It is widely used in machines such as electric bicycles, electric scooters, coolers, refrigerator doors, doors, wind turbines, motors, pump and electric motor control.

Working Principle

The encoder works by detecting the rotational movement of a shaft by optical or electromagnetic means. It has slots or windows on the periphery that are filled with light or electricity, and a light-sensitive photodetector or coils within a magnetic field is used to detect these signals. The light or electricity is blocked or allowed through the slots, which in turn is interpreted by the encoder as pulses or waves. This information is then processed and converted into digital or analog signals.

The 25LR22-H encoder features four channels, each with a resolution of 60 pulse counts or 360 pulses per turn. It has an accuracy of 0.1mm/360° and a response frequency is range of 25KHz-2.5M. It also has an extended operating temperature range of -20°C through +105°C.

The 25LR22-H encoder also features a shielded housing for high immunity against electromagnetic interference. It is also suitable for low-voltage applications, making it a very economical and reliable choice for motor control applications.

Conclusion

The 25LR22-H encoder is an ideal encoder for motor control applications. It features four channels with a resolution of either 60 pulse counts or 360 pulses per turn and has a shielded housing for high immunity against electromagnetic interference. It is widely used in electric bicycles, electric scooters, coolers, refrigerator doors, doors, wind turbines, motors, pumps and other electric motor control applications where accuracy is required.

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