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Photoelectric Angle Encoder

Photoelectric angle encoder A90H is a high end incremental encoder that produces up to 1.800.000 output pulses per revolution. It has hollow shaft, integrated stator coupling and the accuracy of up to ±5 arc. sec. and is available in two different mounting types – coupling via shaft collar or via central screw.

Technical data

Line number on disc (z)18000
Number of output pulses per revolution for A90H-FZ x k, where k = 1, 2, 3, 4, 5, 8, 10, 20, 25, 50, 100
Reference signal:
- standard (S)
- distance-coded (K)

one per shaft revolution
36 per shaft revolution
Permissible mech. Speed≤ 3000 rp
Max. operating speed (depends on number of output pulses)600 to 1000 rpm
Accuracy grades±5.0 arc. Sec
Starting torque at 20&deg:C≤ 0.08 Nm
Permissible shaft run out:
- axial
- radial

0.02 mm
0.02 mm
Rotor moment of inertia< 0.6x10-&sup4; kgm%sup2;
Protection (IEC 529)IP64
Maximum weight without cable1.2 kg
Operating temperature0...+70 °C
Storage temperature-30...+85 °C
Maximum humidity (non condensing)98%
Permissible vibration (55 to 2000 Hz)≤ 100 m/s²
Permissible shock (5 ms)≤ 300 m/s²
For other data, please see the attached data sheet