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Absolute Encoder SRM50S-HFA0-K21 | SIL 2 Safety Level | 1,024 Sine/Cosine Periods | HIPERFACE Communication | by SICK
The SRM50S-HFA0-K21 absolute encoder delivers precise position feedback with a SIL 2 safety integrity level and performance level PL d, making it ideal for industrial automation and safety-critical applications. With 1,024 sine/cosine periods per revolution and a high system accuracy of ±52″, this encoder ensures reliable operation in demanding environments, operating within a temperature range of -30 °C to +115 °C.
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Product Name/Title: Absolute Encoder SRM50S-HFA0-K21 | SIL 2 Safety Level | 1,024 Sine/Cosine Periods | HIPERFACE Communication | by SICK
Brand: SICK
SKU: 1051793
Alternatively Known As: Absolute Encoder, Safety Encoder, HIPERFACE Encoder, SIL 2 Encoder, PL d 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
- Number of 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 (absolute position): ≤ 6,000 min⁻¹
- Available memory: 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 (sine/cosine): ≤ 200 kHz
- Shaft: Tapered
- Flange: Spring mounting plate
- Weight: ≤ 0.2 kg
- Moment of inertia: 10 gcm²
- Max operating speed: ≤ 12,000 min⁻¹
- Angular acceleration: ≤ 200,000 rad/s²
- Operating torque: 0.2 Ncm
- Start-up torque: +0.4 Ncm
- Permissible static movement: ±0.5 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)
- Absolute encoder with 1,024 sine/cosine periods per revolution
- Binary code output with HIPERFACE communication interface
- Operating speed up to 6,000 min⁻¹ for absolute position
- High system accuracy of ±52″
- 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 safety-related control systems and electrical connections to ensure compliance with safety standards.
Applications
- Industrial automation for precise position feedback
- Safety-related machinery requiring SIL 2 and PL d compliance
- Servo motor feedback systems
- Robotics and motion control applications
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Enhanced machine safety reduces risk of accidents and associated environmental hazards
- Durable design extends product life, reducing waste and resource consumption
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK SRM50S-HFA0-K21 absolute encoder is available for immediate purchase, ideal for industrial automation and safety-critical applications.
