Sensors & Measurement
Encoder
A sensor that converts shaft or linear movement into digital position or speed information.
IN ONE SENTENCE
Incremental encoders produce pulses; absolute encoders report a unique position value.
In normal English
Encoders provide feedback for motors, conveyors, positioning and motion systems.
Why would I use it?
Use it when a controller needs to know how far, how fast or exactly where something moved.
THINK OF IT LIKE…
A digital measuring wheel attached to motion.
Related terms
incremental encoder, absolute encoder, servo
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