Knowledge Center

Encoders and resolvers all provide motion feedback but choosing the right device for your system can be complicated. With over 60 years of motion feedback experience and the most extensive of range of feedback products, Dynapar has helped countless customers find customized solutions that meet their exact requirements while solving their challenges. Below are a collection of articles and resources meant to guide engineers in their encoder selection, written by Dynapar's experienced experts and senior engineers.


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How to Choose the Right Feedback Device

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How to Specify the Right Encoder Output Driver

Specifying the correct encoder output is critical to delivering strong encoder signals to your receiving device. Learn how to choose the right encoder output.

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Encoder Resolution vs Accuracy vs Repeatability

Understanding Encoder Resolution, Encoder Accuracy and System Repeatability. How to choose an encoder that will properly support your application.

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How to Specify the Right Encoder Cable

How to specific the right encoder cable based on encoder type to avoid signal noise, cross talk and tips for running longer encoder cables.

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Using Encoders in Functional Safety Design

Safety encoders are used to monitor speed, direction and position and provide feedback to the controller if conditions meet a predefined unsafe state.

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How to Select Hazardous Duty Encoders

Encoders for hazardous areas where flammable or explosive liquids, gases or vapors are present or are likely to occur. Learn about the different methods of protection.

Application Examples

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How to Measure Position Using Encoders

Learn how to use position encoders track the position of a load either indirectly with a motor mounted rotary encoder or directly with linear encoders.

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How to Measure Angle Using Encoders

Angle encoders measure the rotational of a load in relation to a shaft or point and output pulses that are then processed into angular readings.

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How to Measure Conveyor Speed with Encoders

Learn how to use rotary encoders to measure conveyor speed, calculate RPM and linear distance and how to synchronize multiple conveyors for pick-and-place.

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How to Measure Distance with Draw Wire Encoders

Learn how to use draw wire encoders to calculate linear distance with formulas to translate pulses from rotary encoders into linear measurement.

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Video: How to Split an Encoder's Signal using an Encoder Splitter

Learn how to send one encoder's output signal to two devices such as a drive and a rate indicator using an encoder splitter.

Case Studies

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World Famous Winemaker Finds A Replacement Encoder in Days

See how a world famous winemaker finds a replacement encoder in days thanks to Dynapar's crossover tool, application engineers, in-house testing and quick delivery.

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Reliable, Heavy Duty Resolver Keeps Steel Mill Rolling

See how Dynapar’s new resolver keeps hot rolling mill rolling for a major steel producer delivering better water resistance for 4.5 times better reliability.

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Customized hall-effect encoder delivers reliable feedback

See how Dynapar’s hall effect encoder delivers reliable feedback for snow plows spreading the exact amount of salt no matter how fast the vehicle goes.

Encoder Issues and Troubleshooting

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Encoder Wiring Best Practices

How to correctly wire and ground an encoder cable to optimize signal quality and avoid common wiring pitfalls such as noise, shaft currents and reverse phasing.

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Video: How to Test an Encoder with an Oscilloscope

Learn how to evaluate and test the signal of an optical or magnetic incremental encoder with an oscilloscope or the NorthStar RIM M100 encoder tester.

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Video: How to Install a Hollow Shaft Encoder

Learn how to correctly install a hollow shaft encoder including the encoder mounting procedure, aligning the tether point and installing a basket cover.

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Video: How to Install a Magnetic Wheel and Sensor

Learn how to correctly install a magnetic encoder with a separate wheel and sensor including mounting the frame, mounting the pulse wheel and aligning the wheel.