Heidenhain ERN1381 compact incremental single turn rotary encoder

The HEIDENHAIN ERN1381 compact incremental single-turn rotary encoder is designed for servo motors/drives applications with integral bearing and mounted stator coupling with a tapered shaft.

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Features of HEIDENHAIN ERN1381 encoder

  • Stator coupling for axis mounting
  • Taper shaft, 9.25 mm; taper 1:10
  • Line counts: 512,2048,4096
  • Encoder OD = 56mm dia·
  • PCB connector

Specifications of HEIDENHAIN ERN 1381 encoder

  • Taper shaft Ø 9.25mm; taper 1:10
  • 1Vpp incremental interface
  • No commutation signals
  • Line counts from 512 to 4096
  • Line count accuracies: 512/±60“ – 2048/±20“ – 4096/±16“
  • Cutoff frequency is 210KHz
  • Voltage supply if DC 5V
  • Mechanical permissible speed is 15 000 rpm
  • 12 pin PBC connector
  • Permissible axial motion of measured shaft is ±0.5mm
  • Minimum operating temperature is –40°C
  • IP40 protection rating