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The SEL34-HFB0K02 is a compact, high-resolution multiturn motor feedback encoder from SICK, designed for integration into motors with a 40 mm square flange. It features the HIPERFACE® interface, allowing both power and data transmission through a single cable, which simplifies installation and saves space—ideal for compact industrial applications.

Key Technical Specifications

• Communication Interface: HIPERFACE® (digital, single-cable)

• Resolution:

  • Per Revolution: 16 sine/cosine periods, interpolated to 2,097,152 steps (via RS485)

  • Multiturn: 4,096 revolutions

• Accuracy:

  • Integral Non-linearity: ±288 arcseconds

  • Differential Non-linearity: ±144 arcseconds

  • Total System Accuracy: ±432 arcseconds

• Measurement Step Size: 20 arcseconds (with 12-bit interpolation)

• User Memory: 1,792 bytes

• Power Supply: 7–12 V DC (recommended: 8 V DC)

• Current Consumption: ≤50 mA

• Connection: 8-pin radial male connector

Mechanical & Environmental Details

• Shaft Type: Tapered shaft

• Max Speed: 12,000 rpm

• Max Angular Acceleration: ≤500,000 radians/s²

• Allowed Shaft Movement:

  • Radial: ±0.15 mm

  • Axial: ±0.3 mm

• Operating Temperature: –20 °C to +115 °C

• Storage Temperature: –50 °C to +125 °C

• Shock Resistance: 100 g for 10 ms (per EN 60068-2-27)

• Vibration Resistance: 50 g from 10 Hz to 2,000 Hz (EN 60068-2-6)

• EMC Compliance: Meets EN 61000-6-2 and EN 61000-6-3 standards

• Protection Class: IP20 (when cover is closed and connector is attached)

• Weight: ≤0.04 kg

Applications

• Industry Sectors:

  • Packaging machines

  • Robotics

  • General industrial automation

• Typical Uses:

  • Precise angular position and revolution counting in servo motors

  • Systems requiring compact feedback devices

  • Environments where space-saving and reliable communication is critical