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Quadrature

The magnetic encoder uses a series of magnetic poles to represent the encoder position to a magnetic sensor (typically magneto-resistive or Hall Effect). The magnetic sensor reads the magnetic pole positions.

Principle of output signal versus magnetic field:


These output pulses can be read by a controlling device, such as a microprocessor or microcontroller to determine the relative position of the magnetic field and thus the direction, speed and position of the rotating part.

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