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Absolute Encoder SRM50S | SIL 2 Safety Level | 1,024 Sine/Cosine Periods | HIPERFACE Communication | by SICK
The Absolute Encoder SRM50S is engineered for precision in industrial automation, featuring a SIL 2 safety integrity level and high resolution with 1,024 sine/cosine periods per revolution. With a robust design and an operating temperature range of -30 °C to +115 °C, it's perfect for safety-critical applications and high-speed machinery, ensuring reliable performance in demanding environments.
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Product Name/Title: Absolute Encoder SRM50S | SIL 2 Safety Level | 1,024 Sine/Cosine Periods | HIPERFACE Communication | by SICK
Brand: SICK
SKU: 1051809
Alternatively Known As: Absolute Encoder SRM50S, HIPERFACE Encoder, Safety Encoder SRM50S, SICK Rotary Encoder
Technical Specifications
- Safety integrity level: SIL 2 (IEC 61508), SILCL2 (IEC 62061)
- Category: 3 (EN ISO 13849)
- Performance level: PL d (EN ISO 13849)
- Maximum demand rate: Continuous (analog signals)
- PFH: 1.0 x 10⁻⁸
- Mission time: 20 years
- Sine/cosine periods per revolution: 1,024
- Absolute revolutions: 4,096
- Total steps: 134,217,728
- Measuring step: 0.3″ with 12-bit interpolation
- Integral non-linearity: ±45″
- Differential non-linearity: ±7″
- Operating speed: ≤ 6,000 min⁻¹ for absolute position
- System accuracy: ±52″
- Code type: Binary, increasing clockwise
- Communication interface: HIPERFACE®
- 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: ≤ 200 kHz
- Shaft: Tapered
- Flange: Rubber support
- Moment of inertia: 10 gcm²
- Operating speed max: 12,000 min⁻¹
- Angular acceleration max: 200,000 rad/s²
- 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
- Ball bearing life: 3.6 x 10⁹ revolutions
- Operating temperature: -30 °C to +115 °C
- Storage temperature: -40 °C to +125 °C
- 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 PL d (EN ISO 13849)
- High resolution with 1,024 sine/cosine periods per revolution and 134,217,728 total steps
- Binary code output with HIPERFACE® communication interface
- Operating temperature range from -30 °C to +115 °C
- Robust mechanical design with tapered shaft and rubber support flange
- IP40 enclosure rating with mating plug inserted
- Low operating torque of 0.2 Ncm and start-up torque of +0.4 Ncm
- Long ball bearing life of 3.6 x 10⁹ revolutions
Professional Installation Requirements
- Installation by qualified personnel is recommended to ensure compliance with safety standards and proper connection of the HIPERFACE interface.
Applications
- Industrial automation for precise position measurement
- Safety-related applications requiring SIL 2 and PL d compliance
- High-speed machinery with operating speeds up to 12,000 min⁻¹
- Environments requiring robust temperature and shock resistance
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Long operational life reduces waste and replacement frequency
- Low power consumption with 80 mA current draw
- Robust design minimizes environmental impact through durability
Warranty Information
Warranty details available upon request from SICK; typically includes coverage against manufacturing defects.
Available Now
The SICK SRM50S-HEA0-K21 Absolute Encoder is available for immediate purchase, ideal for industrial automation and safety-critical applications.
