59020-1-T-05-A

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Magnetic sensors have long been used in industrial and commercial applications, as well as in consumer products, for providing information about the orientation, position, speed or proximity of objects. The 59020-1-T-05-A magnetic sensor module takes this technology further, combining a permanent magnet and a Hall-effect sensor to provide a solution for a variety of applications.

Applications

The 59020-1-T-05-A module’s main application is to detect angular position or angular velocity. The module includes a permanent magnet mounted to a shaft that is subject to rotation, while the Hall-effect sensor measures the magnitude of the magnetic field. Through ratios and calculations, the module provides a signal proportional to the angular position of the shaft, providing information such as total revolutions and direction. This allows the module to be used for applications such as position sensing of rack-and-pinion steering systems, rotary valves, data wheels, and the measurement of rotational speed.

Other applications for the 59020-1-T-05-A module include tachometry, linear velocity and distance measurement, and relative motion detection. The module is also well-suited for harsh environments, as its resistant to water, dust, temperature variation, and shock.

Working Principle

The 59020-1-T-05-A module works on the principle of Hall-effect sensing. This is the detection of a magnetic field by a Hall-effect sensor. When a conductive material, such as a metal, is exposed to a magnetic field, a potential difference, or voltage, is created. This voltage is then used to determine the magnitude and direction of the magnetic field and is used by the module as a measurement of angular position.

The module utilizes a permanent magnet mounted to the shaft. As the shaft rotates, the magnetic field generated by the magnet increases or decreases, depending on the direction of rotation. This change in the magnetic field is detected by the Hall-effect sensor, producing a voltage that is used by the module to calculate the angular position of the shaft.

The 59020-1-T-05-A module also includes a series of resistors, capacitors, and diodes that are used to filter the signal and protect the sensor from any interference generated by other electronic components. The module’s circuit board also contains a few additional components, such as a comparator, that are used to convert the analog signal to an output compatible with a microcontroller.

Conclusion

The 59020-1-T-05-A module is an advanced magnetic sensor module designed for angular position and angular velocity measurement. The module utilizes a permanent magnet mounted to a rotating shaft combined with a Hall-effect sensor to detect the magnetic field generated by the magnet, allowing the module to measure the angular position of the shaft with great accuracy. The module is well-suited for harsh environments, making it a great choice for industrial applications.

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