EN12-HN20AF18

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Encoders are essential components for converting shaft rotation into digital information. At the basic level, these encoders register and count the amount of light reflected by a code wheel, which is then sent to a control device for position sensing. This particular type of encoder, the EN12-HN20AF18, is particularly designed for use in harsh working environments, such as welding machines and steel mills, and it is specifically suited for pulse speed measurement and control.

The robust design and durable construction of the EN12-HN20AF18 make it capable of withstanding high temperatures and vibration. In addition, this model is made from a special alloy and designed to meet the requirements and certifications for electromagnetic compatibility and electromagnetic interference in accordance with the current industry standards.

The EN12-HN20AF18 is a hollow-shaft type encoder with a bore diameter of 12mm, a resolution of up to 20-bit (up to 4M pulse per revolution), and a maximum operating speed of 18,000 RPMs. It is designed to be integrated directly into the shaft for the application in which it will be used due to its cylindrical shape and radial design. The standard configuration is equipped with three 12 point M12 electrical connectors for powering the encoder and communicating the output signal.

The EN12-HN20AF18 encoder is equipped with a special code wheel pattern that ensures the highest signal accuracy and reliability. This particular pattern is known as the Resolver Pattern and is composed of multiple repetition of a 12 bit code wheel, which creates a high signal to noise ratio and helps to extend the operating life of the encoder. Thanks to its ultra high precision, the EN12-HN20AF18 can accurately measure long distances even with high accuracy with minimal drift.

In addition, this model is also equipped with a fast response time which makes it suitable for applications requiring very rapid response, such as pipe welding machines, robot arms, conveyors, and more. It is further equipped with an accommodative control system which enables it to adjust to changes in load or acceleration.

At the core of the EN12-HN20AF18 is a Hall Effect Sensing element, which is a type of contactless position sensing device. This sensing element operates by detecting the changes in a magnetic field generated by the metallic code wheel that is mounted onto the encoder\'s shaft. The magnetic field also serves to contactlessly transmit data from the encoder to the controlling device. Additionally, this sensing element also offers the advantage of a constant angular resolution, since the frequency of the output is proportional to the rate of rotation of the code wheel.

The EN12-HN20AF18 encoder is suitable for a wide range of applications, thanks to its robust construction and versatile control system. It is suited for being integrated in applications such as robots, automated production lines, medical equipment, and more. Furthermore, due to its waterproof and dustproof construction, it is particularly well-suited for field applications in environments where dust, water, and oil may be present.

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