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Magnetic Encoder Offers Robust Alternative To Optical Version

Thu, 03/03/2011 - 6:32am
Magnetic Encoder Offers Robust Alternative To Optical VersionHaydon Kerk Motion Solutions Inc., a leading manufacturer of precision linear motion products, offers an integrated magnetic encoder available on the 1 in. 25000 Series linear actuators.

The extremely compact and fully enclosed incremental encoder utilizes solid state technology and includes both analog detection circuitry and full signal processing from a single chip. When combined with the Haydon can stack linear actuator, excellent position feedback can be obtained for use in critical applications including medical equipment, analysis devices, and robotics.

The 64 line quadrature encoder system utilizes a high energy neodymium magnet and provides an 8-bit digital resolution, resulting in a total of 256 output pulses per revolution. The encoder provides 90 degree phase shifted A/B output channels along with a single index pulse for every complete shaft rotation. The encoder circuitry samples angular position at 10,000 samples per second for an output update every 100 microseconds.

The 256 pulse magnetic encoder is a great replacement for optical encoders and is virtually immune to vibration, shock, dust, and contaminants. The encoder can be operated using either a 3.3 or 5 V input voltage. When combined with the Haydon 25000 series linear actuator, a robust, compact linear motion package is created.

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