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Rotary Encoders

What are the different types of rotary encoders?
There are two main types of rotary encoder: incremental and absolute. Incremental rotary encoders report changes in position, or relative position. Motion controlled systems using incremental rotary encoders need to be “homed in” on startup, or after a power loss. See: How Incremental Encoders Work
What are the benefits of using a rotary encoder?
When used as a control, rotary encoders can be much more versatile than a potentiometer. They can be used when you need a very precision control, and they are not subject to drift due to temperature.
Where can I buy high-quality rotary encoders?
Quantum Devices is a vertically integrated encoder manufacturer providing high quality rotary encoders to OEMS in many different industries. We offer a variety of rotary encoders including miniature, industrial, waterproof, programmable, low-profile, hollow shaft, shafted, bearing and modular encoders.
How are rotary encoders used in industrial automation?
Rotary encoders are used to monitor and/or control a wide range of mechanical systems. For example, rotary encoders are used in industrial automation to control conveyor belt speed and direction. Rotary encoders are also used for servo motor feedback, to control speed as well as multiple axes of motion.

What are the different types of rotary encoders?