HEDR-56L2-BY08

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Encoders are used to detect the position or angle of a specific rotary device. They can be divided into types, including incremental, absolute, rotary, linear, and multiturn encoders. The HEDR-56L2-BY08, belonging to the incremental encoder, is widely used in industrial automation for many applications. This article will discuss the application field and working principle of the HEDR-56L2-BY08.

Application Field

The HEDR-56L2-BY08 is suitable for industrial automation projects such as Robotics, CNC machinery, Pick and Place machinery, and Single Axis Motion Controllers. It can be used for position control of electric, hydraulic, and pneumatic motion systems. Its overall dimension is 56mm x 86mm, making it ideal for cases where space is limited. The HEDR-56L2-BY08 features a plastic housing and Class B insulation, making it durable and suitable for many different operating environments.

Working Principle

The HEDR-56L2-BY08 encoder operates using an optical incremental principle. This uses an LED source emitting light towards a transparent code wheel. The code wheel is usually made up of a pattern of opaque and transparent segments. The light emitted from the LED source is interrupted by the opaque segments when the code wheel rotates. This creates a change in the output frequency which is proportional to the angular velocity.

The encoder creates two output signals which are 90 degrees out of phase. These two signals are usually referred to as A and B. The phase difference between the two signals is used to determine the direction of rotation. There is also a third output signal, called the Z signal, which is used to determine the actual position of the code wheel. By analyzing the output frequency and phase difference of the three signals the encoder can be used to measure the angular velocity and position of the motor.

Conclusion

The HEDR-56L2-BY08 is an incremental encoder which is suitable for many industrial automation applications where space is limited. It operates using an optical incremental principle, creating two output signals which are 90 degrees out of phase. The phase difference of the signals is used to determine the direction of rotation, while the third output signal is used to determine the actual position of the code wheel. This makes it a cost-effective and reliable solution for many applications.

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