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Absolute Rotary Encoder SRM50-HGA0-K21 | 1,024 Sine/Cosine Periods | 134,217,728 Total Steps | IP40 Enclosure | by SICK
The SRM50-HGA0-K21 absolute rotary encoder delivers high precision with 1,024 sine/cosine periods per revolution and a remarkable 134,217,728 total steps. Designed for industrial automation and servo motor feedback systems, it operates at speeds up to 6,000 min⁻¹, ensuring reliable position measurement. With an IP40 enclosure rating and a wide operating temperature range from –30 °C to +115 °C, this encoder is built for durability and performance in demanding environments.
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Product Name/Title: Absolute Rotary Encoder SRM50-HGA0-K21 | 1,024 Sine/Cosine Periods | 134,217,728 Total Steps | IP40 Enclosure | by SICK
Brand: SICK
SKU: 1037079
Alternatively Known As: Absolute rotary encoder, HIPERFACE encoder, SICK SRM50 encoder, industrial position sensor
Technical Specifications
- 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 (absolute position): ≤6,000 min⁻¹
- Available memory area: 128 Byte
- System accuracy: ±52″
- Code type: Binary, increasing clockwise rotation
- Communication interface: HIPERFACE®
- Connection type: 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 version: Tapered shaft
- Flange type: Resolver support
- Moment of inertia of 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: ±0.3 mm radial, ±0.75 mm axial
- Permissible dynamic movement: ±0.1 mm radial, ±0.2 mm axial
- Angular motion perpendicular to axis static: ±0.005 mm/mm
- Angular motion perpendicular to axis dynamic: ±0.0025 mm/mm
- Ball bearing life: 3.6 x 10⁹ 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: EN 61000-6-2 and EN 61000-6-3
- Enclosure rating: IP40 with mating plug
- Dimensions (H x L x W): 50mm x 50mm x 50mm
- Weight: 0.2 kg
Key Features
- Absolute encoder with 1,024 sine/cosine periods per revolution
- High resolution with 134,217,728 total steps
- Operating speed up to 6,000 min⁻¹ for reliable absolute position
- Binary code output with HIPERFACE communication interface
- Tapered shaft with resolver support flange
- 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
- Complies with EMC standards EN 61000-6-2 and EN 61000-6-3
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with electrical and mechanical integration of encoders to ensure proper connection and alignment.
Applications
- Industrial automation for precise position measurement
- Servo motor feedback systems
- Robotics and motion control
- Machine tool positioning
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- High reliability reduces maintenance and replacement frequency, minimizing waste
- Low power consumption electronics contribute to energy efficiency
Warranty Information
Standard manufacturer warranty applies. Please refer to SICK's official warranty policy for details.
Available Now
The SICK SRM50-HGA0-K21 absolute encoder is available for immediate purchase, ideal for industrial automation and servo motor feedback applications.
