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Absolute Rotary Encoder SRM50-HTA0-K21 | 1024 Sine/Cosine Periods | IP65 Rated | by SICK
The Absolute Rotary Encoder SRM50-HTA0-K21 offers high-resolution position measurement with 1,024 sine/cosine periods per revolution and 4,096 ascertainable revolutions. Designed for industrial automation, this robust encoder features an IP65 rated enclosure, ensuring protection against dust and water, making it ideal for precise applications in robotics, machine tools, and conveyor systems.
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Technical Specifications
- MTTFD: 235 years (EN ISO 13849)
- Sine/cosine periods per revolution: 1,024
- 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″
- System accuracy: ±52″
- Code type: Binary, increasing clockwise rotation
- Communication interface: HIPERFACE®
- Connection: Male 10-pin MS 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: Solid shaft
- Flange: Square flange with stator coupling
- Moment of inertia: 28.8 gcm²
- Operating speed: ≤ 12,000 min⁻¹
- Angular acceleration: ≤ 500,000 rad/s²
- Operating torque: 1 Ncm
- Start-up torque: +1.5 Ncm
- Permissible shaft loading: 40 N radial, 20 N axial
- Ball bearing life: 3.6 x 10⁹ revolutions
- Operating temperature: up to +75 °C
- Storage temperature: -40 °C to +85 °C
- 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 measurement with 4,096 ascertainable revolutions
- Robust solid shaft design with square flange stator coupling
- IP65 rated enclosure for protection against dust and water
- Operating speed up to 12,000 min⁻¹ with reliable absolute position output
- Low operating torque of 1 Ncm and start-up torque of +1.5 Ncm
- Communication via HIPERFACE® interface
- Mean time to dangerous failure (MTTFD) of 235 years according to EN ISO 13849
- Wide operating temperature range up to +75 °C
- Resistance to shocks up to 100 g and vibrations up to 20 g
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with electrical and automation equipment to ensure proper connection and compliance with safety standards.
Applications
- Industrial automation for precise position measurement
- Robotics for accurate shaft rotation feedback
- Machine tools requiring high-resolution angular position sensing
- Conveyor systems and packaging machinery
Standards & Compliance
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Long service life reduces waste and replacement frequency
- Energy-efficient operation with low current consumption (80 mA)
- Robust design minimizes environmental impact from maintenance and downtime
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy for details.
Available Now
The SICK SRM50-HTA0-K21 Absolute Encoder is available for immediate purchase, ideal for industrial automation and precision motion control applications.
