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Encoders

Encoders are devices that are used to measure the angular position of a rotating shaft. They provide feedback signals to control systems such as servo motor systems, which require accurate feedback about the position of the shaft or other components. The AEDS-9641-210 is a high-resolution incremental rotary encoder that is popular in a variety of application fields.

Application Field

The AEDS-9641-210 is used in a wide variety of applications, from motion control and robotic systems to measurement and inspection. It is most frequently used to provide position feedback in servo motor systems. Because of its accuracy, resolution, and signal stability, it is ideally suited for applications in high-precision industrial automation systems, such as robot arms and machine vision applications. It also has uses in medical equipment, such as radiography systems and surgical robots, as well as in aerospace and military applications.

Working Principle

The AEDS-9641-210 uses an optical incremental encoder technique to measure the angular position of the shaft. The encoder has two optical components. One is a disc that is mounted on the shaft and has numerous narrow slits evenly spaced on it. The other is a light emitter/detector assembly that senses the relative position of the disc as it is rotating. As the disc rotates, either the light is blocked from passing through a slit or it passes through a slit, depending on the position of the slit with respect to the detector.

As the disc rotates, the passing and blocking of the illumination causes the detector to output square wave signals. The width of the square wave signals and the period between them are related to the resolution of the encoder. The AEDS-9641-210 has a resolution of 100 steps/revolution, meaning that it can accurately measure the angular position of the shaft with 100 increments per revolution.

The signal from the detector assembly is then fed to an electronic circuit, which processes the signal and converts it into an output voltage. This output voltage is what is used to provide accurate position feedback to the control system. The encoder also has an index output which outputs a single pulse each time the encoder passes through a predefined angular position.

The AEDS-9641-210 is a highly versatile encoder and is used in a wide variety of applications that require precise angular measurements. Its accuracy and resolution make it ideal for precision motion control and robotic systems, as well as measurement and inspection applications.

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