What Are Absolute Encoders and When to Use Them
Absolute encoders are feedback devices that provide speed, position information by outputting a digital word or bit in relation to motion. Unlike incremental encoders that output a continuous stream of ubiquitous pulses, absolute encoders output unique words or bits for each position.
By outputting a digital word or bit instead of a stream of pulses, absolute rotary encoders offer several advantages:
- Higher overall resolution vs incremental encoders
- Better start up performance because of low homing (or initial position) time
- Accurate motion detection along multiple axes
- Multiple output protocols for better electronics integration
- Better recovery from system or power failures
Speak with a Dynapar expert to learn more about absolute encoders.
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