A170

Phototelectric angle encoder A170 is a wide diameter solid shaft high end encoder that produces up to 3.600.000 output pulses per revolution and can reach accuracy of up to ±2.5 arc. sec. 



Mechanical Data

Number of output pulses per revolution 18000-1800000 ppr
Line number on disc (z) 18000; 36000
Reference signal


- standard: 1 per shaft revolution
- distance coded for z = 18000: 36 per shaft revolution
- distance coded for z = 36000: 72 per shaft revolution
Permissible mech. speed ≤ 1000 rpm
Max. operating speed 300 to 500 rpm
Accuracy ± 2.5 arc. sec
Permissible shaft load

- axial: ≤ 30 N
- radial: ≤ 30 N
Starting torque at 20°C ≤ 0.012 Nm
Rotor moment of inertia < 3.7x10-4 kgm2
Protection (IEC 529) IP64
Maximum weight without cable 3.5 kg
Operating temperature 0...+70°C
Storage temperature -30...+85°C
Maximum humidity (non-condensing) 98%
Permissible vibration (55 to 2000 Hz) ≤ 100 m/s²
Permissible shock (11 ms) ≤ 300m/s²
   

Electrical Data

Version A170-A ∫ 11 µApp A170-AV ∫ 1 Vpp A170-F Π TTL
Supply voltage + 5 V ± 5 %; 100 mA max + 5 V ± 5 %; 120 mA max + 5 V ± 5 %; 150 mA max
Light source LED LED LED
Incremental signals

Two sinusoidal I1 and I2
Amplitude at 1 kΩ load:
- I1 = 7 - 16 µA
- I2 = 7 - 16 µA

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

Differential square-wave U1 / U1 and U2 / U2. Signal levels at 20 mA load current:
- low (logic "0") ≤ 0.5 V
- high (logic "1") ≥ 2.4 V

 

Reference signal

One quasi-triangular I0 peek per revolution. Signal magnitude at 1 kW load:
- I0 = 2 - 8 µA (usable component)

One quasi-triangular +R and its complementary -R per revolution. Signals magnitude at 120 W load:
- R = 2- 8 V (usable component)

One differential square-wave U0 / U0 per revolution. Signal levels at 20 mA load current:
- low (logic "0") < 0.5 V
- high (logic "1") > 2.4 V

Maximum operating frequency

(-3 dB) ≥ 160 kHz

(-3 dB) ≥ 180 kHz

160-2500 kHz (depends on the interpolation factor)
Direction of signals I2 lags I1 for clockwise rotation (viewed from shaft side) + B lags + A in 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 1 m; without connector
Maximum cable length 5 m 25 m 25 m

Accessories

Drawings

Typical Applications

           
       
           
           

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