HEIDENHAIN ERN 1020 Incremental Rotary Encoder

Key specifications

• Incremental rotary encoder with integral bearing
• Blind hollow shaft Ø 6 mm; stator coupling for plane surface
• TTL interface (DC 5 V ±0.5 V); scanning frequency ≤ 300 kHz
• Line counts 100 to 3600
• One reference mark
• System accuracy 1/20 of grating period
• Max. speed 12,000 rpm
• High axial tolerance of up to ±0.5 mm
• Housing diameter ≈ 35 mm
• Protection IP64; approx. 0.1 kg
• Max. operating temperature 100 °C

Download current ERN 1000 specifications (May 2026, PDF)

Pricing and lead times on request. Use Request a Quote and include the model, line count, and interface (current ID 534909-xx).