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Motor Feedback Encoder SRM50-HXA0-K21 | High Accuracy ±52″ | 4,096 Revolutions | IP65 Rated | by SICK

BRAND: SICK
SKU: 1037103
$1,775.70 List price: $2,231.90
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The Motor Feedback Encoder SRM50-HXA0-K21 delivers high precision with a system accuracy of ±52″ and supports up to 4,096 absolute revolutions. Designed for industrial automation and servo motor control, it operates at speeds up to 6,000 min⁻¹ and features an IP65 rated enclosure for robust performance in challenging environments. Ideal for robotics and machine tool positioning, this encoder ensures reliable feedback for optimal control.

Alternatively Known As: Motor feedback encoder, absolute encoder, HIPERFACE encoder, rotary encoder, position sensor

Technical Specifications
  • MTTFD (mean time to dangerous failure): 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″
  • Operating speed: ≤6,000 min⁻¹
  • Available memory area: 128 Byte
  • System accuracy: ±52″
  • Code type: Binary, increasing clockwise rotation
  • Communication interface: HIPERFACE®
  • Connection type: Male connector, M23, 12-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: Solid, 6 mm diameter
  • Flange type: Servo flange, stator coupling
  • Moment of inertia of rotor: 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 10⁹ revolutions
  • Operating temperature range: –30 °C to +85 °C
  • Storage temperature range: –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 inserted
  • Dimensions (H x L x W): 50mm x 50mm x 50mm
  • Weight: 0.2 kg
Key Features
  • High system accuracy of ±52″
  • Sine/cosine periods per revolution: 1,024
  • Absolute position resolution with 4,096 revolutions and 134,217,728 total steps
  • Operating speed up to 6,000 min⁻¹
  • Solid shaft with 6 mm diameter
  • IP65 rated enclosure with mating plug inserted
  • Robust against shocks (100 g) and vibrations (20 g, 10 Hz to 2,000 Hz)
  • Communication interface: HIPERFACE®
  • Low current consumption of 80 mA
  • Wide operating temperature range from –30 °C to +85 °C
Professional Installation Requirements
  • Installation by a qualified technician or electrician is recommended to ensure proper connection and compliance with electrical standards.
Applications
  • Industrial automation for precise motor position feedback
  • Servo motor control systems
  • Robotics and motion control applications
  • Machine tool positioning and monitoring
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • High reliability reduces downtime and waste from replacements
  • Energy-efficient operation with low current consumption
Warranty Information

Standard manufacturer warranty applies; please refer to SICK's official warranty policy.

Available Now

The SICK SRM50-HXA0-K21 Motor Feedback Encoder is available for immediate purchase, ideal for industrial automation and servo motor feedback applications.

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