E-Motion Newsletter
The ECN 1300 and EQN 1300 absolute rotary encoders from HEIDENHAIN, May 2025

Company News – May 2025

HEIDENHAIN rotary encoders of ECN/EQN 1300 series offer high reliability and perfected technology in a highly robust design. For decades, large numbers of them have successfully proven themselves in industries round the world. Rotary encoders of this series are available with functional safety and a safe mechanical connection. Once integrated into an application with up to SIL 2 safety, they minimize malfunctions and facilitate the safe operation of machines and systems.

E-Motion America Inc. supplies these absolute rotary encoders with integrated diagnostics, featuring optical scanning, which are the industry standard for feedback systems in servomotors. Their built-in diagnostics and robust components ensure superb signal quality and availability, thereby meeting the essential requirements of safety-related applications. Along with motor feedback, these encoders also provide all of the information needed for initial setup, monitoring and diagnostics.

ECN 1000 and EQN 1000 Series

ECN 1000 and EQN 1000 series

Absolute rotary encoders with integral bearing

  • High axial tolerance of up to ±0.5 mm
  • Blind hollow shaft in Ø 6 mm
  • Positioning accuracy of down to ±60"
  • 8 388 608 positions/rev.
  • Multiturn functionality for up to 4096 revolutions
  • Max. operating temperature: 100 °C
  • Interfaces: EnDat
  • Housing diameter ≈ 35 mm

ECN 1300 and EQN 1300 Absolute Rotary Encoders

ECN/EQN 1300 series

Absolute rotary encoders with integral bearing

  • Wide axial tolerance of up to ±0.5 mm
  • Tapered shaft
  • Very high positioning accuracy of down to ±20"
  • 33 554 432 positions/rev.
  • Multiturn functionality for up to 4096 revolutions
  • Max. operating temperature: 115 °C
  • Evaluation of different external temperature sensors
  • Interfaces: EnDat and DRIVE-CLiQ
  • Housing diameter ≈ 56 mm
Product Variants

For more information, please contact us

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