A Tech Authority, Inc.
13745 Stockton Ave.
Chino, CA 91710
(909) 614-4522
atechauthority.com

The HEIDENHAIN ERN 1381 compact incremental single turn rotary encoder is designed for servo motors/drives applications with integral bearing and mounted stator coupling with a tapered shaft.

The HEIDENHAIN ERN 1381 servo motor/drive single turn encoder offers the following features…

• 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