A102H Incremental Rotary Encoder
A102H Rotary Encoder Drawing

Ø102mm incremental encoder

A102H

Photoelectric rotary encoder A102H contains 5.000 lines on disc in a standard version, but other modifications are possible on request. This wide diameter encoder has the biggest shaft available on our rotary encoders product range.

Mechanical data

Number of output pulses per revolution 5000 – 500000
Line number on disc (z) 5000
Maximum shaft speed 8000 rpm
Maximum shaft load axial: 1.00 mm
radial: 0.02 mm
Accuracy (T1-period lines on disc in arc. sec) ± 0.05T1 arc. sec
Starting torque at 20°C ≤ 0.01 Nm
Rotor moment of inertia < 20 x 10-4 kgm2
Protection (IEC 529) IP64
Maximum weight without cable 0.8 kg
Operating temperature  -20…+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) ≤ 300 m/s²

Electrical data

Version A102H-A ∫ µApp A102H-AV ∫ 1 Vpp A102H-F Π TTL; Π HTL
Supply voltage + 5 V ± 5 % + 5 V ± 5 % + 5 V ± 5 %; + (10 to 30) V
Max. supply current (without load) 100mA 120 mA 120 mA
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 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 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 = 0.2 – 0.8 V (usable component		 One differential square-wave U0 / U0 per revolution. Signal levels at 20 mA load current:
– low (logic “0”) < 0.5 V 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) ≥ 160 kHz (-3 dB) ≥ 160 kHz (160 x k) kHz, k – 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

Downloads

Product Catalog
Encoder Selection Guide 2025
A102H Rotary Encoder Datasheet
A102H Incremental Rotary Encoder 2D Drawing
A102H Incremental Rotary Encoder 3D Drawing

Order code

A102H – X1 – X2 – X3/X4

Output Signal Version (X1) Pulse Number per Revolution (X2) Adapter Cable (X3) Connector Type (X4)
A
AV
F		 5000
9000		 AR01 – 1m
AR02 – 2m
AR03 – 3m
…		 W – without connector
C9 – round, 9 pins
C12 – round, 12 pins
D9 – flat, 9 pins

ORDER EXAMPLES: 

  1. A102H-AV-5000-AR01/C9
  2. A102H-F-9000-AR01-C12

Order form

    Check the "Order code" tab in the product page to see how to know your order code.