Number of output pulses per revolution

18000-1800000 ppr

Line number on disc (z)

18000

Reference signal

- standard: 1 per shaft revolution
- distance coded: 36 per shaft revolution

Permissible mech. speed

≤ 3000 rpm

Max. operating speed

600 to 1000 rpm

Accuracy grades

± 5.0 arc. sec; ± 7.5 arc. sec

Permissible shaft runout

- axial: 0.02 mm
- radial: ± 0.02 mm

Starting torque at 20°C

≤ 0.08 Nm

Rotor moment of inertia

< 0.6x10^-4 kgm²

Protection (IEC 529)

IP64

Maximum weight without cable

1.2 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

Version

A90H-A ∫ 11 µApp

A90H-AV ∫ 1 Vpp

A90H-F Π TTL

Supply voltage

+ 5 V ± 5 %

+ 5 V ± 5 %

+ 5 V ± 5 %

Max. supply current (without load)

80mA

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 / U1and 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 = 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 
- high (logic "1") > 2.4 V

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 encoder mounting side)

+ B lags + A in clockwise rotation (viewed from encoder mounting side)

U2 lags with U1 in clockwise rotation (viewed from encoder mounting side)

Maximum rise and fall time

-

-

< 0.2 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