Product Quicklinks Call us at 800.873.8731

Ethernet Encoders to Conquer Your Toughest Challenges

Confidently specify with field proven, reliable absolute encoders from Dynapar, now with EtherNet/IP communication options

Certified by ODVA, Dynapar Ethernet Encoders face your application challenges head-on with superior shock/vibration ratings, stainless steel, IP67 rating options and wide operating temperature ranges. The AI25 Ethernet Encoders offers additional network features including Device Level Ring (DLR), for fast fault detection and recovery as well as Address Conflict Detection (ACD) to support quick installation and smooth system integration. It also offers industry leading resolution, accuracy and repeatability and comes at an extremely competitive price.


Download Datasheet »


Installation Manual »


Technical Manual »


Download EDS File »

Ethernet encoder applications


Built Tough for Demanding Applications

The AI25 Ethernet Encoder is designed and built to withstand the harshest applications. Features such as good shock and vibration performance, IP67 rating option, stainless steel housing option, and 7-30 VDC voltage range enable this device to outlast and outperform others in its class. This encoder will receive consistent power supply even in applications with long cable runs. With over 100,000 units installed globally, the rugged and reliable design of the AI25 series helps conserve resources spent on maintenance and downtime in the field, making operations smoother and more efficient.

  • 400G Shock and 30G Vibration Rated
  • IP67 Rating with Optional Shaft Seals
  • Stainless Steel Housing Options
  • 7-30 VDC Output for Reliable Signal Over Long Cable Runs

High Performance with Advanced Features all at a Competitive Price

Dynapar absolute encoders offer high accuracy and repeatability. The AI25 EtherNet/IP Encoder is enhanced with additional features such as device level ring (DLR) and Address Conflict Detection (ACD). Backed by Dynapar’s time-tested technology and expertise, the AI25 Ethernet Encoder can conquer the demands of almost any application without trading price for performance.

  • Device Level Ring (DLR) for Increased Reliability
  • Address Conflict Detection (ACD) Enables Easy Installation
  • Superior Accuracy and Repeatability



AI25 ethernet encoder features explained


AI25 ethernet encoder datasheet screenshot


Wide Selection Coupled with Great Customer Support

The design and manufacturing teams at Dynapar work vigorously to provide more standard options than the competition while continuing to offer viable lead times. The AI25 Ethernet Encoder comes with standard options such as single turn resolutions up to 22 bit, a range of mounting possibilities (hub and shafted options with flange, servo, synchro style), and several shaft and bore sizes.

With over 60 years of experience providing feedback solutions, Dynapar offers technical support when needed and can help find the right solution to your application challenge. Contact us today to learn more.

  • Shaft and Hub-shaft Options with Flange, Servo and Synchro Style Mounting Options
  • Metric and Imperial Shaft and Bore Size Options
  • Technical Support Available Via Phone

Field Proven Encoders Now Available with Industry Standard Ethernet Protocols

The AI25 EtherNet/IP encoder along with the AI25 PROFINET and AI25 EtherCAT encoders are the latest additions to the AI25 family of robust absolute encoders designed for use with the latest industrial network protocols. The field proven AI25 absolute encoder platform has been relied upon by many customers and the additional product lines build on this history of reliability.

profinet-logo ethernet-ip-logo ethercat-logo

All Ethernet Encoder Protocol Lineup



high resolution ethernet encoderTake your industrial network to the next level with the AI25 EtherNet/IP Encoder Today!

Discover the AI25 Ethernet Encoder that does not compromise on performance or reliability. Please fill out the form to request a quote and a consultation to determine if the right solution for your feedback needs by our application engineers today.

What our experts are saying:

“Our EtherNet/IP product line delivers high performance, network redundancy, and flexible network control to support the critical needs within factory automation. Ethernet/IP offers faster speeds and supports convergence of applications used in plant-wide automation."

- Jamar Daniels, Product Manager

Request A Quote