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Simple test to show if encoder is functional

Publication date: 
June 2016
Author(s): 
Pat Douglas, Kirby Risk-Mechanical Solutions & Service
Type of media: 
Article

An encoder is a type of feedback device that is often installed on a motor to monitor the motion (simple optical). A quadrature encoder indicates both motion and direction of the motor output shaft. 

There are many different mounting options. Some are integral to the motor; others are coupled to the rear of the motor shaft. Some models have a wheel that fits on the motor shaft front or rear and the encoder stator mounts directly to a c-face on the motor. 

Topic(s): 
AC motors
Service center equipment
Testing
Motor testing