PRECIZIKA A90H Angle Encoder DatasheetThe PRECIZIKA A90H encoder is a high-precision rotary encoder manufactured by Precizika Metrology, a leading company in the field of position and motion control technologies.
The A90H encoder is a compact, low-profile encoder with a solid shaft design. It features a high-resolution optical measuring system that provides accurate position feedback, with resolutions up to 20 bits (1,048,576 counts per revolution) and a maximum speed of 10,000 RPM.
Structure:
Features and Advantages
High-resolution measurement
Compact and low-profile design
Rugged construction
Wide temperature range
High-speed operation
Low power consumption
Versatile communication interfaces
Customizable options
| Number of output pulses per revolution | 18000-1800000 |
| 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 |
| Permissible shaft runout | axial: 0.02 mm radial: ± 0.02 mm |
| Starting torque at 20°C | ≤ 0.08 Nm |
| Rotor moment of inertia | < 0.6×10-4 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 ∫ 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) | 80 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 | – | – | < 0.2 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 |
A90H – X1 -X2 -X3 -X4 – X5 -X6 -X7/X8
| Output Signal Version (X1) | Pulse Number per Revolution (X2) | Reference Signal (X3) | Diameter of Shaft Hole (X4) | Mounting Type (X5) | Cable or Connector Outlet (X6) | Cable Length (X7) | Connector Type (X5) |
| A AV F |
18000 … 1800000* *only F signal version for >18000 pulses |
S – one per revolution K – 36 per revolution, distance coded |
20 – 20mm 22 – 22mm |
P – clamp H – screw |
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 |
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