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Photoelectric modular rotary encoder A42M is of incremental type and provides up to 25.000 output pulses per revolution. The absence of bearings and lubricants makes the encoder suitable for use in a vacuum environment or situations when zero starting torques are required.
Technical data
| MECHANICAL DATA | |
|---|---|
| Line number on disc (z) | 1000, 2500 (others on request) |
| Number of output pulses per revolution for A42M-F | Z x k, where k=1,2,5,10 |
| Max. permissible mechanical rotation speed | 20000 rpm |
| Accuracy (T1-period of lines on disc in arc. sec.) | ± 0.1T1 arc. sec. |
| Permissible axial shaft run out | 0.05 mm |
| Hub inside diameter | 10, 8, 6 mm |
| Rotor moment of inertia | < 22 gcm² |
| Protection (IEC 529) | IP00 |
| Max. weight: - rotor assembly - scanning unit | 0.022 kg 0.04 kg |
| Operating temperature | -10...+70 °C |
| Storage temperature | -30...+85 °C |
| Maximum humidity (non-condensing) | 98% |
| Permissible vibration (55 to 2000 Hz) | < 100 m/s² |
| Permissible shock (6 ms) | < 1000 m/s² |