Photoelectric Rotary Encoder A28
Photoelectric Rotary Encoder A28
ELECTRICAL DATA:
| version | A28-F TTL |
| Power supply | +5 In ± 5% |
| Max. power supply (without load) | 120 mA |
| light | led |
| Incremental signals | Differential square – wave U1/U1 and U2/U2. Signal levels at 20 mA load current :0
– layer (logic “0”) < 0.5 V – high (logic “1”) > 2,4 V |
| Referentiesignaal | Another square wave U0/U0 per revolution. Signal levels at 20 mA load current :
– layer (logic “0”) < 0.5 V – high (logic “1”) > 2,4 V |
| Maximum bedrijfsfrequentie | (160 x k) kHz , k-interpolatiefactor |
| Direction of signals | U2 remains U1 for rotation with the clock me (seen from the shaft side) |
| Maximum rise and fall time | < 0,5 μs |
| Standard cable length | 0.5 m; without connector |
| Maximum cable-lenged | 25 m |
MECHANICAL DATA:
| Line number on disc (z) | 60; 100; 200; 250; 360; 500; 1000; 1024; 1500; 2000; 2500 |
| Number of output pulses per revolution | Z x k, where k=1,2,3,4,5,8,10 |
| Maximum shaft speed | 6000 rpm |
| Maximum shaft load:
– axial – radial (at shaft end) |
5N 10N |
| Accuracy (T1 -period of lines on disc in arc. sec) | ±0.1T1 arc. sec |
| Starting torque at 20 c | < 0.015 Nm |
| Rotor moment of inertia | < 2 gcm² |
| Protection (IEC 529)
– for axial cable outlet – for radial cable outlet |
IP54 IP64 |
| Maximum weight without cable | 0.045 kg |
| Operating temperature | -10…+70 OC |
| Storage temperature | -30…+80 OC |
| Maximum humidity (non-condensing) | 98 % |
| Permissible vibration (55 to 2000 Hz) | < 100 m/s² |
| Permissible shock (11 ms) | < 300 m/s² |
