EnDat: proven interface technology continuously further developed

EnDat is the ideal interface for digital drive systems and position control loops with position encoders for measurement feedback. 

EnDat provides high system reliability through the following features:

  • Fast data transmission and high transmission reliability
  • Transmission of additional data, such as motor-specific parameters and sensor data
  • Extensive diagnostics and the ability to integrate encoders into troubleshooting routines

These features and benefits have made EnDat a standard and globally established interface within the following industries:

  • Machine tools
  • Electronics
  • Automation

The EnDat flyer

Well-known manufacturers use the EnDat interface technology

With a broad, multi-supplier portfolio of encoders featuring various measuring principles, machine and equipment manufacturers are sure to find the right EnDat encoder for their specific application and needs.

RSF, and

Complete information
on EnDat 2.1 and EnDat 2.2

EnDat 3: ready for the future of digital manufacturing

EnDat 3 carries forward the features and benefits of EnDat into the future of digital manufacturing. To achieve this feat, EnDat 3 relies on a new architecture that not only preserves proven technology but also maintains the best possible level of continuity and compatibility with previous versions.

What’s new with EnDat 3:

  • Hybrid cable transmission
  • Bus topologies
  • Sensors: flexible data contents and sensor box
  • Functional safety: communication in accordance with the black-channel principle
  • Higher data bandwidth
  • Definable send lists
  • System installation: introduction of access levels

Discover the new EnDat 3 interface

The original target industries, in particular, stand to benefit from the EnDat 3 interface’s numerous innovations, especially when it comes to digitalizing production, implementing Industry 4.0 requirements, and more. Common to all of these industries is the demand for features such as enhanced diagnostic capabilities and the storage of operating status data.

Widely varying requirements for individual industries are also emphasized:


  • Hybrid cable solutions
  • Sensor integration

Machine tools

  • Robust cabling
  • Multi-dimensional measurement technology
  • Integration of external sensors


  • Reduced cable weight
  • Multi-dimensional measurement technology
    HEIDENHAIN Digital Event

    Encoders with added functionality
    at the digital event for automation

    • Smart and reliable high-accuracy encoders for every motion design
    • Pioneering solutions for your demanding applications
    • Boost the performance, safety and availability of your systems and components

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