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A28
Ø28mm incremental encoder
Optical rotary encoder A28 is a small 28mm diameter incremental encoder that can have up to 25.000 output pulses per revolution. Small size is its primary feature that enables the customer to fit it in tight places without any hassle.
Mechanical data
| Number of output pulses per revolution | 60-25,000 ppr |
| Line number on disc (z) | 60; 100; 200; 250; 360: 500; 1000; 1500; 2000; 2500 |
| Maximum shaft speed | 6000 rpm |
| Maximum shaft load | – axial: 5 N – radial: 10 N |
| Accuracy (T1-period lines on disc in arc. sec) | ± 0.1T1 arc. sec |
| Starting torque at 20°C | ≤ 0.015 Nm |
| Rotor moment of inertia | < 2 cm² |
| Protection (IEC 529) | – for axial cable outlet: IP54 – for axial cable outlet through gland and for radial cable outlet: IP67 |
| Maximum weight without cable | 0.045 kg |
| Operating temperature | -10…+70°C |
| Storage temperature | -30…+80°C |
| Maximum humidity (non-condensing) | 98% |
| Permissible vibration (55 to 2000 Hz) | ≤ 100 m/s² |
| Permissible shock (11 ms) | ≤ 300 m/s² |
