H38D-12GC-S3-CW-SC-UL

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Encoders are devices that convert physical signals or measurements to more easily understood numerical values. They can take the form of optical, rotary, or even linear encoders. H38D-12GC-S3-CW-SC-UL encoders are optical incremental encoders with a 13-bit quadrature output.

Application Fields of H38D-12GC-S3-CW-SC-UL Encoders

H38D-12GC-S3-CW-SC-UL encoders have a wide range of applications in industries such as automotive, medical, robotics, power plants, printing, aerospace, and manufacturing. They are used to measure and monitor precise angles, distances, and speeds. They can also be used to count objects. These encoders are suitable for harsh environment applications such as extreme temperatures and vibration.

Working Principle of H38D-12GC-S3-CW-SC-UL Encoders

H38D-12GC-S3-CW-SC-UL encoders feature a 13-bit quadrature output. The output consists of two channels, A and B, and a pair of optical disks with slots that produce identical output pulses as they rotate. As the disks rotate, output pulses are produced that represent each position of the rotating disk. The two optical channels, A and B, are out of phase by 90 degrees, which enables the incremental position to be determined by examining the combination of “1”s and “0”s in the A and B channels at any given time.

These encoders also feature a clear optical signal for easy recognition of each minimum resolution step. The clear optical signal, also known as the index pulse, marks a fixed reference point on the rotating disc and serves as a marker point of the encoder’s reference position.

To continue tracking the position of the rotating disk, the position is calculated by detecting the changes in the A and B channels. The rotary encoder’s position is calculated by analyzing the combination of “1”s and “0”s in the A and B channels. The cumulative number of pulses provides an absolute reference count, allowing all of the associated electronics to determine the exact position of the encoder.

H38D-12GC-S3-CW-SC-UL encoders also feature a self-cleaning contact surface to reduce contamination and a shielded bearing area to ensure dust and other foreign particles remain out of the encoder’s interior.

Conclusion

The H38D-12GC-S3-CW-SC-UL is an optical incremental encoder that features a 13-bit quadrature output. It is suitable for harsh environment applications due to its self-cleaning contact surface and shielded bearing area. It can be used in industries such as medical, robotics, and aerospace to measure and monitor precise angles, distances, and speeds.

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