A24HME1

Photoelectric rotary encoder A24HME1 is the smallest diameter encoder in our product range. It can have a Ø2-6mm hollow shaft depending on customer requirements and produces up to 250.000 output pulses per shaft revolution.

 


Mechanical Data

Number of output pulses per revolution 250, 500, 1000, 1250, 2500, 5000, 6250, 10000, 12500, 25000, 31250, 50000, 62500, 125000, 250000 ppr
Line number on disc (z) 250
Maximum shaft speed 1000 rpm
Maximum shaft load - axial: 5 N
- radial: 10 N
Accuracy (T1-period lines on disc in arc. sec) ±260 arc. sec
Starting torque at 20°C ≤ 0.005 Nm
Rotor moment of inertia < 1 cm²
Protection (IEC 529) IP54
Maximum weight without cable 0.04 kg
Operating temperature -40...+85°C
Storage temperature -40...+85°C
Maximum humidity (non-condensing) 98%
Permissible vibration (55 to 2000 Hz) ≤ 100 m/s²
Permissible shock (11 ms) ≤ 300 m/s²
   

Electrical Data

Version A24HME1-AV ∫ µApp A24HME1-F Π TTL; Π HTL
Supply voltage + 5 V ± 5 % + 5 V ± 5 %; + (10 to 30) V
Max. supply current (without load) 120 mA 120 mA
Light source LED LED
Incremental signals

Differential sine +A/-A and +B/-B 
Amplitude at 120 load:
-A=0.6-1.2V
-B=0.6-1.2V

Differential square-wave U1 / U1 and U2 / U2. Signal levels at 20 mA load current:
- low (logic "0") ≤ 0.5 V at Up =± 5V
- low (logic "0") ≤ 1.5 V at Up = 10 to 30 V
- high (logic "1") ≥ 2.4 V at Up =±5V
- high (logic "1") ≥ (Up - 2)V at Up = 10 to 30 V

 

Reference signal

One quasi-triangular +R and its complementary -R per revolution. Signals magnitude at 120W load
-R=0.2-0.8V (usable component)

One differential square-wave U0 / U0 per revolution. Signal levels at 20 mA load current:
- low (logic "0") < 0.5 V at Up =± 5V
- low (logic "0") < 1.5 V at Up = 10 to 30 V
- high (logic "1") > 2.4 V at Up =±5V
- high (logic "1") > (Up - 2)V at Up = 10 to 30 V

 

Maximum operating frequency


(-3 dB) ≥ 180 kHz


(160 x k) kHz, k - interpolation factor
Direction of signals +B lags +A for clockwise rotation (viewed from shaft side) U2 lags with U1 in clockwise rotation (viewed from shaft side)
Maximum rise and fall time - < 0.5 μs
Standard cable length 1 m; without connector 1 m; without connector
Maximum cable length 25 m 25 m

Accessories

Drawings

Typical Applications

           
           
         

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