Encoder Accuracy

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Encoder Accuracy: FAQ Topics

FAQ Questions	FAQ Topics
General Encoders Analog Tachogenerators Couplings Mounting Encoders Selecting an Encoder Replacing an Encoder Encoder Options Explaining the Technology	Hollow Shaft vs. Modular Encoders Tachometer vs. Encoder Magnetic Encoder Problems Encoder Accuracy Tougher Encoders Brake Encoder Applications Hazardous/Explosive Atmosphere Overspeed Switches Motor Shaft Currents Stub Shafts for Encoders

Encoder Accuracy

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Incremental encoder accuracy can be measured many ways:

Absolute position accuracy
Phase separation
Duty cycle accuracy

Modern encoder accuracy is typically only a factor in applications requiring position measurements and position control. For most speed control applications, any Avtron encoder will provide sufficiently accurate feedback to reach 0.1% speed control accuracy or better.

PPR is not a measure of encoder accuracy; it is a measure of resolution. Encoders� accuracy is not a function of resolution; many high resolution encoders are no more accurate than their low-resolution cousins; they simply provide more pulses for the same amount of movement.