Skip to product information
Representative HEIDENHAIN ERN 1000 series rotary encoder image
  • Representative HEIDENHAIN ERN 1000 series rotary encoder image
HEIDENHAIN ERN 1000 Series Incremental Rotary Encoder

HEIDENHAIN ERN 1000 Series Incremental Rotary Encoder

Key specifications

  • High axial tolerance of up to ±0.5 mm
  • Blind hollow shaft
  • Positioning accuracy of down to ±18"
  • Max. operating temperature: 100 °C
  • Interfaces: 1 VPP, TTL, and HTLs
  • Housing diameter ≈ 35 mm
  • Incremental rotary encoders with integral bearing
  • Stator coupling for plane surface
  • Very high positioning accuracy
  • Models: ERN 1020, ERN 1030, ERN 1070, ERN 1080

Download historical specifications (2009 catalog, PDF)

Current specifications

May 2026 catalog. Match the full HEIDENHAIN ID, interface and shaft version before selecting a replacement.

  • ERN 1020: TTL, DC 5 V ±0.5 V, ID 534909-xx. ERN 1030: HTLs, DC 10 to 30 V, ID 534911-xx.
  • ERN 1080: 1 VPP, DC 5 V ±0.5 V, ID 534913-xx. ERN 1070: TTL with 5-fold or 10-fold interpolation, DC 5 V ±0.25 V, ID 534912-xx.
  • Blind hollow shaft Ø6 mm; max. speed 12,000 rpm; axial tolerance ±0.5 mm; IP64; approx. 0.1 kg. Maximum operating temperature 100 °C for ERN 1020/1080, 70 °C for ERN 1030/1070, subject to speed and voltage conditions.

Download current ERN 1000 specifications (May 2026, PDF)

Historical configuration specifications

From the HEIDENHAIN Rotary Encoders catalog, October 2009. Values are catalog values; confirm your unit's configuration from its ID label.

  • Series values (individual models are on the sheet): ERN 1020 TTL 5 V up to 120 mA; ERN 1030 HTL 10 to 30 V up to 150 mA; ERN 1080 1 VPP 5 V up to 120 mA; ERN 1070 TTL with 5-fold or 10-fold interpolation, 5 V ±5%, up to 155 mA.
  • Blind hollow shaft D = 6 mm, mounted stator coupling, IP 64, approx. 0.1 kg, max. speed 12 000 rpm, starting torque up to 0.001 Nm.
  • Line counts available: 100 to 3 600 (ERN 1070: 1 000, 2 500, 3 600). Cable 1 m or 5 m. –30 °C to 100 °C (ERN 1030 and ERN 1070 max. 70 °C).

Documents

Pricing and lead times on request. Use Request a Quote and include the model, line count or resolution, interface, and shaft/mounting version.