Incremental Modular Rotary Encoders without Integral Bearing

ERO 1200 Series
Modular rotary encoders of the ERO 1200 series are suitable for shaft diameters up to 12 mm.

The graduated disk is slid together with the hub directly onto the shaft, and the scanning unit is mounted and adjusted to it. This enables fast installation.


  ERO 1222 ERO 1285
Incremental signals  TTL  1 VPP
Line count 48 to 2500 512, 1024, 2048
Max. permissible speed (mech.) 18000 rpm
Hub inside diameter D 8 mm, 10 mm, 12 mm
Power supply 5V
Scanning frequency Max. 160 kHz
Cutoff frequency (-3 dB) >= 180 kHz