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Absolute Rotary Encoder SRS50-HFA0-K21 | 32,768 Steps | HIPERFACE Interface | ±52″ Accuracy | by SICK

BRAND: SICK
SKU: 1037067
$608.50 List price: $764.80
+
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.

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

Technical Specifications
  • 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
Key Features
  • 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
Professional Installation Requirements
  • Installation should be performed by qualified personnel familiar with electrical and mechanical integration of encoders to ensure proper connection and alignment.
Applications
  • Industrial automation for precise position measurement
  • Servo motor feedback systems
  • Robotics and motion control
  • Machine tool positioning
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • 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
Warranty Information

Standard manufacturer warranty applies; please refer to SICK's official warranty policy.

Available Now

The SICK SRS50-HFA0-K21 absolute encoder is available for immediate purchase, ideal for industrial automation and servo motor feedback applications.