Absolute Rotary Encoder SRM50-HFA0-K21 | 1,024 Sine/Cosine Periods | 4,096 Absolute Revolutions | IP40 Rated | by SICK
The Absolute Rotary Encoder SRM50-HFA0-K21 offers high precision with 1,024 sine/cosine periods per revolution and 4,096 absolute revolutions, making it ideal for industrial automation and control systems. Designed for robust performance, it operates at speeds up to 6,000 min⁻¹ and features a durable IP40 enclosure, ensuring reliability in demanding environments.
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Alternatively Known As: Absolute rotary encoder, HIPERFACE encoder, SICK SRM50 encoder, rotary position sensor
Technical Specifications
- 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″
- Operating speed (absolute position): ≤6,000 min⁻¹
- Memory area: 128 Byte
- System accuracy: ±52″
- Code type: Binary, increasing clockwise
- 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 for sine/cosine signals: ≤200 kHz
- Shaft: Tapered
- Flange: Spring mounting plate
- Moment of inertia rotor: 10 gcm²
- Operating speed (mechanical): ≤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
- Angular motion static: ±0.005 mm/mm
- Angular motion dynamic: ±0.0025 mm/mm
- 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: EN 61000-6-2 and EN 61000-6-3
- Enclosure rating: IP40 with plug inserted
- 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 revolutions and 134,217,728 total steps
- Robust operating speed up to 6,000 min⁻¹ for absolute position
- Binary code output with HIPERFACE® communication interface
- Tapered shaft with spring mounting plate flange
- Operating temperature range from -30 °C to +115 °C
- IP40 enclosure rating with mating plug inserted
- Long life ball bearings rated for 3.6 x 10⁹ revolutions
- Low operating torque of 0.2 Ncm and start-up torque of +0.4 Ncm
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 and control systems
- Robotics and servo motor feedback
- Precision measurement in manufacturing
- Position and speed sensing in machinery
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Long operational life reduces waste and replacement frequency
- Low power consumption with 80 mA current draw
- Robust design minimizes environmental impact through durability
Warranty Information
Warranty details available upon request from the manufacturer.
Available Now
The SICK SRM50-HFA0-K21 Absolute Encoder is available for immediate purchase, ideal for industrial automation and precision control applications.
