Dynapar is the recognized leader in rotary encoder products, as well as brushless and frameless resolvers, for motion feedback control. Dynapar delivers the most comprehensive rotary encoder selection, which includes incremental encoders and absolute encoders available with optical and magnetic encoder engines...all expertly engineered with you in mind. Whether you have a heavy-, industrial-, servo- or light-duty application on your hands, the family of trusted Dynapar rotary encoder and resolver brands can meet your specifications. Dynapar was founded in Gurnee, Illinois in 1955 and has been expanded through the acquisitions to include Dynapar™ Hengstler™, NorthStar™, Harowe™, and Encoder Technology brand product lines.

Pioneering the first true vector-duty hollow-shaft encoder launched Dynapar’s strong presence in several industries, including steel, paper, elevator, oil and gas, wind energy, medical, material handling, and industrial servo manufacturing. From small kit encoders to large mill-duty tachometers, Dynapar has the industry covered.

Dynapar customers rely on expertise and support provided from the U.S. sales and manufacturing location in Gurnee, Illinois: Phone +1 800.873.8731 or +1 847.662.2666; FAX +1 847.662.6633. In addition, Dynapar supports global customers with local sales and production locations in Germany, Japan, China, and Brazil.

Featured Articles & Products

High resolution EtherCAT encoder

The Hengstler® AI25 absolute encoder product line has an EtherCAT interface. This feature enables the encoder to integrate into nearly any system that uses EtherCAT protocol. The encoder offers fast cycle times of 62.5 μs and single turn resolution of 22 bit with absolute accuracy of ±35 in. The encoder suits applications in robotics, packaging [Read More]


Dynapar Announces the AI25 EtherCAT Encoder

Dynapar expands the Hengstler® AI25 absolute encoder product line with the addition of the EtherCAT interface, making the AI25 one of the highest performance EtherCAT encoders in the market with best in class resolution, accuracy, design robustness and cycle times. With the availability of the AI25 EtherCAT Encoder, users can now integrate into virtually any [Read More]

FAQ: How to use incremental encoders with stepper motors?

When using a stepper motor, integrating an incremental encoder is relatively straightforward. Still, there are some general guidelines to consider. Incremental encoders (like any encoder) all function as...

Motion Control Tips

[Read More]

Additional Resources

Featured White Paper

Encoder 101: Selecting the Right Output

In today’s world of high-tech automation, the design engineer must consider a myriad of variables when specifying the right encoder. Incremental vs. absolute output, resolution, and of course physical form factor are key parameters that most every engineer recognizes as top design elements.

Download Here