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Motion feedback devices providing position and velocity information to closed-loop control systems.
Encoders and Resolvers Categories

Absolute Rotary Encoders (298 suppliers)

Absolute rotary encoders use optical, mechanical, or magnetic indexing for angular measurement. They do not lose their position after power-down, but instead provide absolute position upon power-up without requiring a home cycle or any shaft rotation.

Incremental Rotary Encoders (382 suppliers)

Incremental rotary encoders are multi-turn sensors that use optical, mechanical, or magnetic index-counting for angular measurement. They contain no absolute reference, but instead count relative to the turn-on position.

Linear Encoders (270 suppliers)

Linear encoders sense and digitize linear position change for positional measurement and feedback to control systems.

Optical Encoder Disks and Strips (21 suppliers)

Optical encoder disks and strips are components of rotary and linear encoders, respectively. They are usually made of metal, plastic, glass, or paper. Optical encoder disks and strips have evenly-spaced holes or markings around their perimeter or length.

Rotary Encoders (493 suppliers)

Rotary encoders convert the angular position of a shaft or axle to an analog or digital code. There are two types of rotary encoders, absolute and incremental encoders, which can be controlled by various technologies which include mechanical, optical, magnetic and fiber optic.

Rotary Position Sensors (215 suppliers)

Rotary position sensors include potentiometers, resolvers and a variety of magnetic and capacitive technologies. Sensors are designed for angular displacement less than one turn or for multiturn displacement.
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Category: Absolute Rotary Encoders
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