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Absolute Rotary Encoder SRM50-HWA0-K21 | 1,024 Sine/Cosine Periods | 4,096 Absolute Revolutions | IP65 Rated | by SICK
The SRM50-HWA0-K21 Absolute Rotary Encoder delivers high precision with 1,024 sine/cosine periods per revolution and 4,096 absolute revolutions. Designed for industrial automation and robotics, it ensures reliable position feedback in safety-critical applications. With an IP65 rated enclosure and a wide operating temperature range of -30 °C to +85 °C, this encoder is built to withstand harsh environments while maintaining low current consumption.
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Product Name/Title: Absolute Rotary Encoder SRM50-HWA0-K21 | 1,024 Sine/Cosine Periods | 4,096 Absolute Revolutions | IP65 Rated | by SICK
Brand: SICK
SKU: 1037095
Alternatively Known As: Absolute rotary encoder, HIPERFACE encoder, SICK SRM50 encoder, rotary position sensor
Technical Specifications
- MTTFD: 235 years (EN ISO 13849)
- 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″ typical
- Differential non-linearity: ±7″
- System accuracy: ±52″
- Code type: Binary, increasing clockwise
- Communication interface: HIPERFACE
- Connection: Male M23, 12-pin radial connector
- 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 diameter: 10 mm solid shaft
- Moment of inertia: 25 gcm²
- Operating torque: 1 Ncm
- Start-up torque: +1.5 Ncm
- Permissible shaft loading: 40 N radial, 20 N axial
- Life of ball bearings: 3.6 x 10^9 revolutions
- Operating temperature: -30 °C to +85 °C
- Storage temperature: -30 °C to +90 °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: IP65 with mating plug
- Dimensions (H x L x W): 50mm x 50mm x 50mm
- Weight: 0.2 kg
Key Features
- High resolution with 1,024 sine/cosine periods per revolution
- Absolute position ascertainable over 4,096 revolutions
- Binary code output with HIPERFACE communication interface
- Solid shaft with 10 mm diameter and face mount flange
- Operating speed up to 6,000 min⁻¹ with reliable absolute position
- IP65 rated enclosure for protection against dust and water
- Wide operating temperature range from -30 °C to +85 °C
- Low current consumption of 80 mA
- High resistance to shocks (100 g) and vibrations (20 g)
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with industrial encoder wiring and configuration to ensure proper operation and safety compliance.
Applications
- Industrial automation for precise position measurement
- Robotics for accurate shaft rotation feedback
- Machine tools requiring high-resolution absolute position sensing
- Safety-related applications due to high MTTFD rating
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Durable design reduces need for frequent replacements, minimizing electronic waste
- Low power consumption contributes to energy efficiency in industrial systems
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK SRM50-HWA0-K21 Absolute Encoder is available for immediate purchase, ideal for industrial automation and safety-critical applications requiring precise position feedback.
