A170 Incremental Angle Encoder
A170 Angle Encoder Drawing

Ø170mm incremental encoder

A170

Optical 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 the accuracy of up to ±2.5 arc. sec.

Mechanical data

Number of output pulses per revolution 18000-3600000
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 grades ± 2.5 arc. sec
Permissible shaft load ≤ 30 N
Starting torque at 20°C ≤ 0.012 Nm
Rotor moment of inertia < 3.7 x 10-4 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 ∫ µApp A170-AV ∫ 1 Vpp A170-F Π TTL
Supply voltage + 5 V ± 5 % + 5 V ± 5 %  + 5 V ± 5 %
Max. supply current (without load) 100 mA 120 mA 150 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
– high (logic “1”) ≥ 2.4 V at Up =±5V
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
– high (logic “1”) > 2.4 V at Up =±5V
Maximum operating frequency (-3 dB) ≥ 160 kHz (-3 dB) ≥ 180 kHz 160-2500 kHz (depends on 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
A170 Angle Encoder Datasheet
A170 Incremental Angle Encoder 2D Drawing
A170 Incremental Angle Encoder 3D Drawing

Order code

A170 – X1 – X2/X3 – X4 – X5 – X6/X7

Output Signal Version (X1) Pulse Number per Revolution (X2) Reference Signal (X3) Cable or Connector Outlet (X4) Cable Length (X5) Connector Type (X6)
A
AV
F		 18000
…
3600000*
*only F signal version for >36000 pulses		 S – one per revolution
K – 36 per revolution, distance coded		 S – version S (cable outlet)
C – version C (connector outlet)		 AR01 – 1m
AR02 – 2m
AR03 – 3m
…		 W – without connector
B12 – round, 12 pins
C9 – round, 9 pins
C12 – round, 12 pins
D9 – flat, 9 pins
D15 – flat, 15 pins
RS10 – round, 10 pins
ONC – round, 10 pins

ORDER EXAMPLES: 

  1. A170-F-360000-K-C-AR01/C12
  2. A170-F-360000-K-S-AR02/C9

Order form

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