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Rotary Encoder SRM50-HFA0-K21 | 1,024 Sine/Cosine Periods | 4,096 Absolute Revolutions | IP40 Rated | by SICK
The Rotary Encoder SRM50-HFA0-K21 delivers high precision with 1,024 sine/cosine periods per revolution and 4,096 absolute revolutions, making it ideal for industrial automation and servo motor feedback systems. With a robust operating temperature range from -30°C to +115°C and an IP40 enclosure rating, this encoder ensures reliable performance in demanding environments.
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Product Name/Title: Rotary Encoder SRM50-HFA0-K21 | 1,024 Sine/Cosine Periods | 4,096 Absolute Revolutions | IP40 Rated | by SICK
Brand: SICK
SKU: 1037071
Alternatively Known As: Rotary Encoder SRM50, HIPERFACE Rotary Encoder, Absolute Rotary Encoder, SICK Encoder SRM50
Technical Specifications
- 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″
- Operating speed: ≤6,000 min⁻¹ for absolute position
- Available memory area: 128 Byte
- System accuracy: ±52″
- Type of code: Binary
- 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
- 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 static movement: ±0.5 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
- 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
- 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 temperature range from -30°C to +115°C
- HIPERFACE® communication interface for reliable data transmission
- Low operating torque of 0.2 Ncm and start-up torque of +0.4 Ncm
- IP40 enclosure rating with mating plug inserted
- Long life ball bearings rated for 3.6 x 10^9 revolutions
- Binary code sequence increasing with clockwise shaft rotation
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with electrical and mechanical integration of rotary encoders to ensure proper alignment and connection.
Applications
- Industrial automation for precise rotary position measurement
- Servo motor feedback systems
- Robotics and motion control applications
- Machine tool positioning and control
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
Standard manufacturer warranty applies; please refer to SICK's official warranty policy for details.
Available Now
The SICK SRM50-HFA0-K21 rotary encoder is available for immediate purchase, ideal for industrial automation and servo motor feedback applications.
