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A75M incremental encoder
Ø75mm incremental encoder
Optical modular rotary encoder A75M is a wider diameter incremental encoder than its predecessor A42M, as it is the main difference between these two open-type encoders.
Mechanical data
| Number of output pulses per revolution | 512-20480 |
| Line number on disc (z) | 512: 2048 (others on request) |
| Max. permissible mechanical rotation speed | 16000 RPM |
| Accuracy (T1-period lines on disc in arc. sec) | ± 0.1T1 arc. sec |
| Permissible axial shaft runout | 0.05 mm |
| Rotor moment of inertia | with shaft ∅ 20 mm: 26×10-6 kgm2 with shaft ∅ 30 mm: 35 x10-6 kgm2 |
| Protection (IEC 529) | IP00 |
| Maximum weight | 0.2 kg |
| Operating temperature | 0…+85°C |
| Storage temperature | -30…+85°C |
| Maximum humidity (non-condensing) | 98% |
| Permissible vibration (55 to 2000 Hz) | ≤ 100 m/s² |
| Permissible shock (6 ms) |
