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Absolute Rotary Encoder SRS50S-HEV0-K21 | SIL 2 Safety Level | 32,768 Steps | HIPERFACE Communication | by SICK
The SRS50S-HEV0-K21 absolute rotary encoder is designed for precise position measurement in industrial automation. With a SIL 2 safety integrity level and a high resolution of 32,768 total steps, it ensures reliable performance in safety-critical applications. Its robust design and wide operating temperature range from -30 °C to +115 °C make it ideal for high-speed machinery and harsh environments.
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Product Name/Title: Absolute Rotary Encoder SRS50S-HEV0-K21 | SIL 2 Safety Level | 32,768 Steps | HIPERFACE Communication | by SICK
Brand: SICK
SKU: 1051807
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
- Sine/cosine periods per revolution: 1,024
- Total steps: 32,768
- Measuring step: 0.3″ with 12-bit interpolation
- Integral non-linearity: ±45″ typical
- Differential non-linearity: ±7″
- Operating speed (absolute position): ≤ 6,000 min⁻¹
- Maximum operating speed: ≤ 12,000 min⁻¹
- Output code: Binary, increasing clockwise
- Communication interface: HIPERFACE®
- Connection: 8-wire radial cable, 2 m length
- 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: Tapered shaft
- Flange type: Rubber support
- 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 perpendicular to axis: ±0.005 mm/mm static, ±0.0025 mm/mm dynamic
- Ball bearing life: 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: Compliant with EN 61000-6-2 and EN 61000-6-3
- Enclosure rating: IP40 with mating plug
- 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 SILCL2 (IEC 62061)
- Category 3 (EN ISO 13849) with Performance Level PL d
- High resolution with 32,768 total steps and 1,024 sine/cosine periods per revolution
- Operating speed up to 6,000 min⁻¹ for absolute position and 12,000 min⁻¹ max
- Binary code output with HIPERFACE® communication interface
- Robust mechanical design with tapered shaft and rubber support flange
- Wide operating temperature range from –30 °C to +115 °C
- 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 electrical safety standards and encoder integration to ensure compliance with safety and performance requirements.
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 and reliable rotary encoders
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- High reliability reduces need for frequent replacements, minimizing electronic waste
- Low power consumption with 80 mA current draw
- Robust design extends product lifecycle in harsh industrial environments
Warranty Information
Warranty details available upon request from manufacturer; typically includes coverage against manufacturing defects.
Available Now
The SICK SRS50S-HEV0-K21 absolute encoder is available for immediate purchase, ideal for industrial automation and safety-critical applications.
