Absolute Rotary Encoder SRS50-HFA0-K21 | 32,768 Steps | HIPERFACE Interface | ±52″ Accuracy | by SICK
The SRS50-HFA0-K21 absolute rotary encoder delivers precise position measurement with 32,768 total steps and 1,024 sine/cosine periods per revolution. Designed for industrial automation and servo motor feedback systems, it features a robust tapered shaft and spring mounting plate flange, ensuring reliable performance in demanding environments. With a wide operating temperature range of –30 °C to +115 °C and an IP40 enclosure rating, this encoder is built for durability and accuracy.
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Product Name/Title: Absolute Rotary Encoder SRS50-HFA0-K21 | 32,768 Steps | HIPERFACE Interface | ±52″ Accuracy | by SICK
Brand: SICK
SKU: 1037067
Alternatively Known As: Absolute rotary encoder, HIPERFACE encoder, SICK rotary encoder, position encoder
- Sine/cosine periods per revolution: 1,024
- Total number of steps: 32,768
- Measuring step: 0.3″ with 12-bit interpolation
- Integral non-linearity: Typically ±45″
- Differential non-linearity: ±7″
- Operating speed (absolute position): ≤ 6,000 min⁻¹
- Available memory area: 128 Byte
- System accuracy: ±52″
- Type of code: Binary, increasing clockwise rotation
- Communication interface: HIPERFACE®
- Connection type: Male connector, 8-pin, radial
- Supply voltage: 7 V DC to 12 V DC, recommended 8 V DC
- Current consumption: 80 mA
- Output frequency for sine/cosine signals: ≤ 200 kHz
- Shaft version: Tapered shaft
- Flange type: Spring mounting plate
- Moment of inertia of rotor: 10 gcm²
- Operating speed (mechanical): ≤ 12,000 min⁻¹
- Angular acceleration: ≤ 200,000 rad/s²
- Operating torque: 0.2 Ncm
- Start-up torque: +0.4 Ncm
- Permissible static movement: ±0.5 mm radial, ±0.75 mm axial
- Permissible dynamic movement: ±0.1 mm radial, ±0.2 mm axial
- Angular motion perpendicular to axis static: ±0.005 mm/mm
- Angular motion perpendicular to axis dynamic: ±0.0025 mm/mm
- Life of ball bearings: 3.6 x 10⁹ revolutions
- Operating temperature range: –30 °C to +115 °C
- Storage temperature range: –40 °C to +125 °C
- Relative humidity: 90%, no condensation
- Shock resistance: 100 g, 10 ms
- Vibration resistance: 20 g, 10 Hz to 2,000 Hz
- EMC: Compliant with EN 61000-6-2 and EN 61000-6-3
- Enclosure rating: IP40 with mating plug inserted
- Dimensions (H x L x W): 50mm x 50mm x 50mm
- Weight: 0.2 kg
- Absolute encoder with 32,768 total steps and 1,024 sine/cosine periods per revolution
- High system accuracy of ±52″ and integral non-linearity typically ±45″
- Operating speed up to 6,000 min⁻¹ for reliable absolute position output
- HIPERFACE® communication interface with binary code output
- Robust mechanics with tapered shaft and spring mounting plate flange
- Wide operating temperature range from –30 °C to +115 °C
- IP40 enclosure rating with mating plug inserted
- Long ball bearing life of 3.6 x 10⁹ revolutions
- Low operating torque of 0.2 Ncm and start-up torque of +0.4 Ncm
- Installation should be performed by qualified personnel familiar with electrical and mechanical integration of encoders to ensure proper connection and alignment.
- Industrial automation for precise position measurement
- Servo motor feedback systems
- Robotics and motion control
- Machine tool positioning
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
- Long operational life reduces waste and replacement frequency
- Low power consumption of 80 mA at 8 V DC supply
- Robust design minimizes environmental impact through durability
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
The SICK SRS50-HFA0-K21 absolute encoder is available for immediate purchase, ideal for industrial automation and servo motor feedback applications.
