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Safety Rotary Encoder SRM50S-HFA0-K22 | SIL 2 & PL d Compliance | 1,024 Sine/Cosine Periods | by SICK
The Safety Rotary Encoder SRM50S-HFA0-K22 is designed for industrial automation, offering SIL 2 and PL d compliance for safety-critical applications. With a high resolution of 1,024 sine/cosine periods per revolution and a robust design, it ensures precise position and speed measurement. Ideal for servo motor feedback systems and robotics, this encoder operates in extreme temperatures from -30 °C to +115 °C, making it a reliable choice for demanding environments.
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Product Name/Title: Safety Rotary Encoder SRM50S-HFA0-K22 | SIL 2 & PL d Compliance | 1,024 Sine/Cosine Periods | by SICK
Brand: SICK
SKU: 1051794
Alternatively Known As: Safety rotary encoder, HIPERFACE encoder, SIL 2 rotary encoder, PL d encoder, SICK encoder SRM50S
Technical Specifications
- Safety integrity level: SIL 2 (IEC 61508), SILCL2 (IEC 62061)
- Category: 3 (EN ISO 13849)
- Performance level: PL d (EN ISO 13849)
- Sine/cosine periods per revolution: 1,024
- Number of absolute ascertainable revolutions: 4,096
- Total number of steps: 134,217,728
- Measuring step: 0.3″ with 12-bit interpolation
- Integral non-linearity: ±45″ typical
- Differential non-linearity: ±7″
- Operating speed: ≤ 6,000 min⁻¹ for absolute position
- Available memory area: 1,792 Byte
- System accuracy: ±52″
- Code type: Binary, increasing clockwise
- Communication interface: HIPERFACE
- Connection type: Male connector, 8-pin, radial
- 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 version: Tapered shaft
- Flange type: Spring mounting plate
- Weight: ≤ 0.2 kg
- Moment of inertia of rotor: 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 radial shaft movement: ±0.6 mm
- Permissible axial shaft movement: ±0.95 mm
- Life of ball bearings: 3.6 x 10^9 revolutions
- Operating temperature range: -30 °C to +115 °C
- Storage temperature range: -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 inserted
- Operating height: up to 2,000 m above sea level
- 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 1,024 sine/cosine periods per revolution
- Binary code output with HIPERFACE communication interface
- 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
- Robust mechanical design with tapered shaft and spring mounting plate
- Long ball bearing life of 3.6 x 10^9 revolutions
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with safety-related control systems and electrical wiring standards to ensure compliance with SIL 2 and PL d requirements.
Applications
- Industrial automation for precise position and speed measurement
- Safety-related applications requiring SIL 2 and PL d compliance
- Servo motor feedback systems
- Robotics and motion control systems
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
- AS/NZS 3112 – Plugs and Socket-Outlets (Type I Plug)
Environmental Benefits
- High reliability reduces downtime and waste from replacements
- Long operational life minimizes resource consumption
- Compliance with RoHS reduces hazardous substances
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK SRM50S-HFA0-K22 safety rotary encoder is available for immediate purchase, ideal for industrial automation and safety-critical applications.
