DFS20A-A2BAC002500

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Encoders

An encoder is a device that converts an analog or digital signal into a series of digital signals. It is commonly used to measure the position of moving objects, such as motors or levers. An encoder is also used to convert analog signals into digital signals for digital recording or transmission.

DFS20A-A2BAC002500 Application Field and Working Principle

The DFS20A-A2BAC002500 is a rotary encoder with incremental output, which is used to detect the angular position of a rotary shaft or a rotational motion. This encoder is designed for use in a wide range of industrial applications, such as the industrial automation, motion control, factory automation, test, and measurement, printing, robotics, etc. The DFS20A-A2BAC002500 is designed with high accuracy in mind, providing a reliable signal and ensures high accuracy and repeatability.

The working principle of the DFS20A-A2BAC002500 encoder is based on the principle of a differential signal generator. This encoder is equipped with two sensors, one phase A (vertical) and one phase B (horizontal). The two sensors are separated by a fixed angle from each other, and the voltage signal output from two chips are compared with each other. As the shaft rotates, the signals change due to the different magnetic positions of the sensors. The comparison of the two output signals between the A and B phases generates the “speed” of the movement, and the speed will be further calculated when it is compared to the internal reference of the encoder.

The output of the encoder is a differential signal, which is also known as “two-channel” or “balanced” signal. It generates an incremental pulse train, such as A, B, Z (Rotary/Longitudinal signal) or CW/CCW (Clockwise/Counter Clockwise signal). These signals can be used for speed, position and angle measurements, and can be connected to the external device easily through a two-wire cable. The data transmission rate is OC (Open - Collector) or Pushpull , and the maximum output frequency of the DFS20A-A2BAC002500 is up to 50 kHz in the Pushpull mode.

The DFS20A-A2BAC002500 rotary encoder is designed for high-precision applications. It is compact in size and cost-effective, and offers many features including excellent repeatability, accuracy, speed response, long-term stability and anti-interference performance. The rotary encoder has a wide operating temperature range of -20 to +80 Celsius, and it can be used in a wide range of industrial and commercial applications, such as servo motors, CNC devices and robotics.

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