61KS50

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Encoders are devices used to translate rotary or linear motion into digital signals. They are widely used in many applications, from industrial automation to medical devices. One type of encoder, the 61KS50, is especially designed for high-accuracy applications. In this article we will explore the application field and working principle of the 61KS50 encoder.

Applications

The 61KS50 encoder is an intelligent rotary encoder, designed for high-accuracy applications. It is suitable for measuring angular position and velocity in laboratories and in industrial automation systems. It can be used for automatic speed control, for controlling stepper motors or servo motors, or for monitoring precise positions of motors, robots, and other mechanical devices. The 61KS50 has a wide application field from medical systems such as endoscopes and X-ray machines, to consumer-level imaging devices and communications systems.

Design

The 61KS50 encoder is designed with a sprung-loaded output ball platform and a concentric mounting disc. It operates with either an 8mm or 12mm optical shaft. The rotating shaft is made up of two discs, one with an opaque strip mounted on its edge and the other with a photo-interrupter. The photointerrupter is a device that triggers electronic signals using an alternating current as the optical beam passes through it. When the rotating shaft meets the photointerrupter, it sends a signal to the output ball platform.

The 61KS50 encoder is also equipped with signal conditioning circuits and a rotation logic circuit. The signal conditioning circuits are used to convert the analog signal from the photointerrupter into a numerical equivalent. The rotation logic circuit ensures that the angle of rotation is accurately measured. The output ball platform contains a microcontroller that stores the data from the signal conditioning circuits and rotation logic circuit.

Features

The 61KS50 encoder offers exceptional accuracy and resolution. Its high precision is achieved by using optical sensing technology, signal conditioning, and rotation logic. The encoder offers a repeatability of 0.001° and a resolution of 0.001° at a measurement speed of 20 rpm. It also offers a 16-bit non-linearity error, which is much lower than many other encoders of comparable size.

The 61KS50 encoder also offers real-time position data over a range of 270° and beyond. Its built-in temperature compensation and non-contact technology means that there\'s no need for mechanical tuning. The 61KS50 encoder is designed to be shock and vibration resistant, and its high-quality aluminum alloy construction makes it durable and reliable in the most demanding environments.

Working Principle

The 61KS50 encoder works on the principle of optical sensing and angle detection. The optical shaft is rotated and a signal is sent to the output ball platform. The signal conditioning circuits convert the signal from the photointerrupter into a numerical equivalent, while the rotation logic circuit ensures that the angle of rotation is accurately measured. The outputs from the signal conditioning circuits and the rotation logic circuits are stored in the microcontroller. The output of the encoder is then sent to the desired application.

The 61KS50 encoder offers high-accuracy measurements in harsh environments. Its real-time position data, shock resistance, and non-contact nature make it an ideal choice for industrial automation and medical applications. With its superior repeatability, accuracy, and resolution, the 61KS50 encoder ensures that precise measurements are made over a wide range of applications.

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