Absolute Rotary Encoder SRM50-HEA0-K21 | 1,024 Sine/Cosine Periods | 4,096 Revolutions | IP40 Rated | by SICK
The Absolute Rotary Encoder SRM50-HEA0-K21 is designed for precise position measurement in industrial automation and servo motor feedback systems. With 1,024 sine/cosine periods per revolution and a high system accuracy of ±52″, it operates at speeds up to 6,000 min⁻¹. Ideal for robotics and motion control, this encoder features an IP40 enclosure rating, ensuring durability in demanding environments.
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Product Name/Title: Absolute Rotary Encoder SRM50-HEA0-K21 | 1,024 Sine/Cosine Periods | 4,096 Revolutions | IP40 Rated | by SICK
Brand: SICK
SKU: 1037087
Alternatively Known As: Absolute rotary encoder, HIPERFACE encoder, SICK SRM50 encoder, rotary position sensor
- Sine/cosine periods per revolution: 1,024
- Number of absolute ascertainable revolutions: 4,096
- Total number of steps: 134,217,728
- Measuring step: 0.3″ with 12-bit interpolation
- Integral non-linearity: Typical ±45″
- Differential non-linearity: ±7″
- Operating speed (absolute position): ≤ 6,000 min⁻¹
- Operating speed (mechanical): ≤ 12,000 min⁻¹
- 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
- Connection type: Male connector, 8-pin, radial
- Moment of inertia of rotor: 10 gcm²
- Operating torque: 0.2 Ncm
- Start up torque: +0.4 Ncm
- Permissible static movement: ±0.3 mm radial, ±0.75 mm axial
- Permissible dynamic movement: ±0.1 mm radial, ±0.2 mm axial
- Life of ball bearings: 3.6 x 10⁹ revolutions
- Enclosure rating: IP40 with mating plug inserted
- EMC compliance: EN 61000-6-2 and EN 61000-6-3
- Dimensions (H x L x W): 50mm x 50mm x 50mm
- Weight: 0.2 kg
- Absolute encoder with 1,024 sine/cosine periods per revolution
- 4,096 absolute ascertainable revolutions
- High system accuracy of ±52″
- Operating speed up to 6,000 min⁻¹ for absolute position
- Tapered shaft with rubber support flange
- Operating temperature range from –30 °C to +115 °C
- IP40 enclosure rating with mating plug inserted
- Communication interface: HIPERFACE®
- Mean time to dangerous failure (MTTFD) of 235 years (EN ISO 13849)
- Installation by qualified personnel is recommended to ensure proper connection and alignment with servo systems.
- Industrial automation for precise position measurement
- Servo motor feedback systems
- Robotics and motion control
- Machine tool positioning
- Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
- High reliability reduces replacement frequency and electronic waste
- Low current consumption (80 mA) contributes to energy efficiency
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
The SICK SRM50-HEA0-K21 Absolute Encoder is available for immediate purchase, ideal for industrial automation and servo motor feedback applications.
