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Absolute Rotary Encoder SRS50S-HGA0-K21 | SIL 2 Safety Level | 1,024 Sine/Cosine Periods | High System Accuracy | by SICK
The SRS50S-HGA0-K21 absolute rotary encoder is designed for high precision in industrial automation and safety-critical motion control applications. With a SIL 2 safety integrity level and a performance level of d, it ensures reliable operation. This encoder features 1,024 sine/cosine periods per revolution and operates at speeds up to 6,000 min⁻¹, making it ideal for servo motor feedback and robotics.
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Product Name/Title: Absolute Rotary Encoder SRS50S-HGA0-K21 | SIL 2 Safety Level | 1,024 Sine/Cosine Periods | High System Accuracy | by SICK
Brand: SICK
SKU: 1051797
Alternatively Known As: Absolute rotary encoder, HIPERFACE encoder, SIL 2 encoder, safety encoder, rotary position sensor
Technical Specifications
- Safety integrity level: SIL 2 (IEC 61508), SILCL2 (IEC 62061)
- Category: 3 (EN ISO 13849)
- Performance level: PL d (EN ISO 13849)
- PFH: 1.0 x 10⁻⁸
- Mission time: 20 years
- Sine/cosine periods per revolution: 1,024
- Total steps: 32,768
- Measuring step: 0.3 seconds (with 12-bit interpolation)
- Integral non-linearity: ±45 seconds
- Differential non-linearity: ±7 seconds
- Operating speed (absolute position): ≤ 6,000 min⁻¹
- Memory area: 128 Byte
- System accuracy: ±52 seconds
- Code type: Binary, increasing clockwise
- Connection: Male 8-pin radial connector
- Supply voltage: 7 V DC to 12 V DC (recommended 8 V DC)
- Current consumption: 80 mA
- Output frequency (sine/cosine): ≤ 200 kHz
- Shaft: Tapered
- Moment of inertia: 10 gcm²
- Operating speed (mechanical): ≤ 12,000 min⁻¹
- 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
- Operating temperature: -30 °C to +115 °C
- Storage temperature: -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: EN 61000-6-2 and EN 61000-6-3
- Enclosure rating: IP40 with plug inserted
- Operating altitude: up to 2,000 m
- Dimensions (H x L x W): 50mm x 50mm x 50mm
- Weight: 0.2 kg
Key Features
- Safety integrity level SIL 2 (IEC 61508) and Performance Level d (EN ISO 13849)
- Absolute encoder with 1,024 sine/cosine periods per revolution
- High system accuracy of ±52 seconds
- Operating speed up to 6,000 min⁻¹ for absolute position
- Robust mechanical design with tapered shaft and resolver support flange
- Operating temperature range from -30 °C to +115 °C
- IP40 enclosure rating with mating plug inserted
- Communication via HIPERFACE® interface
- Low current consumption of 80 mA at recommended 8 V DC supply
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with safety-related control systems and electrical connections to ensure compliance with SIL 2 and PL d standards.
Applications
- Industrial automation and control systems
- Safety-related motion control requiring SIL 2 and PL d compliance
- High precision rotary position measurement
- Servo motor feedback and robotics
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- High reliability reduces downtime and waste from replacements
- Low power consumption contributes to energy efficiency in automation systems
Warranty Information
Warranty details available upon request from SICK; typically includes coverage against manufacturing defects.
Available Now
The SICK SRS50S-HGA0-K21 absolute encoder is available for immediate purchase, ideal for industrial automation and safety-critical motion control applications.
