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Safety Encoder SRS50S-HEA0-K21 | SIL 2 & PL d Rated | HIPERFACE Communication | by SICK
The SRS50S-HEA0-K21 safety encoder is designed for industrial automation, providing SIL 2 and PL d safety levels for critical applications. With a high resolution of 32,768 total steps and a measuring step of 0.3″, it ensures precise position feedback. Built for reliability, it operates in temperatures from -30 °C to +115 °C, making it ideal for high-speed rotary applications and servo motor feedback systems.
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Product Name/Title: Safety Encoder SRS50S-HEA0-K21 | SIL 2 & PL d Rated | HIPERFACE Communication | by SICK
Brand: SICK
SKU: 1051805
Alternatively Known As: Safety Encoder, HIPERFACE Encoder, SIL 2 Encoder, Absolute 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)
- 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″
- Integral non-linearity: ±45″
- Differential non-linearity: ±7″
- Operating speed: ≤6,000 min⁻¹ for absolute position, ≤12,000 min⁻¹ max
- Memory area: 128 Byte
- System accuracy: ±52″
- Code type: Binary
- 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
- Moment of inertia: 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
- Angular motion static: ±0.005 mm/mm
- Angular motion dynamic: ±0.0025 mm/mm
- 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 d (EN ISO 13849)
- Binary absolute value code with HIPERFACE communication interface
- High resolution with 32,768 total steps and 0.3″ measuring step
- 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 should be performed by qualified personnel familiar with safety-related control systems and electrical connections to ensure compliance with safety standards.
Applications
- Industrial automation requiring precise and safe position feedback
- Safety-critical machinery with SIL 2 and PL d safety requirements
- Servo motor feedback systems
- High-speed rotary applications up to 12,000 min⁻¹
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
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK SRS50S-HEA0-K21 safety-related encoder is available for immediate purchase, ideal for industrial automation and safety-critical applications requiring high precision and reliability.
