62A22-01-120S

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Encoders are electromechanical devices used to measure angular position, linear motion, and speed. Among the industry, encoders typically fall under two classifications; absolute encoders, or incremental encoders.

Absolute encoders are used to measure absolute angular displacement for any given application. This type of encoder provides immediate position information which is unaffected by prior motor rotation. A common example of an absolute encoder is the Seiko 62A22-01-120S. This particular piece of equipment includes advanced features that provide end-users with improved direction sensing, counting accuracy, error detection, and communication attributes. It is also configured with a large panel display, multiple address connection settings, various speed/variable count selections, and an internal battery for power backup.

The working principle of the Seiko 62A22-01-120S is based on the Pulse Time Modulation (PTM) system. This system utilizes the Seiko PTP Series with a Momentary Contact Proximity Coupling detectors that emit a single pulse when triggered. The PTP Series encoder is comprised of two rows of 12 terminals in which each row represents an address signal. By readingback the signals of each row, it is possible to recognize the switching positions of every corner plate.

The 62A22-01-120S is perfect for a wide range of applications, including industrial machinery, robot controllers, dispensing machines, and pneumatic tools. This encoder can measure Absolute Position, Linear Motion, and Velocity and has a measurement accuracy of 0.5mm/turn – which makes it one of the most reliable and compact encoder currently available.

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