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The ELS35-0CA0A024A is a compact, high-resolution singleturn motor feedback encoder developed by SICK. It uses the BiSS C digital interface, which combines power and data communication over a single cable, simplifying the wiring and integration process. The encoder is specifically designed for integration into motors with a 35 mm diameter, making it ideal for applications with limited space.

Key Technical Specifications

• Interface: BiSS C (digital, single-cable communication)

• Resolution:

  • Singleturn: 24-bit (16,777,216 steps per revolution)

  • Multiturn: Not applicable (singleturn only)

• System Accuracy: ±25 arcseconds

• Signal Noise: ±1 arcsecond (at 25 °C)

• Startup Time: ≤500 milliseconds

• User Memory: 8,192 bytes available

• Temperature Sensor Compatibility: Supports both NTC and PTC sensors

• Connector Type: 4-pin male connector

• Power Supply: 7 V to 12 V DC

• Current Consumption: ≤150 mA

• Weight: ≤100 grams

Mechanical & Environmental Characteristics

• Shaft Type: Blind hollow shaft

• Maximum Speed: 12,000 rpm

• Maximum Angular Acceleration: ≤250,000 rad/s²

• Permissible Shaft Movement:

  • Radial: ±0.1 mm (static), ±0.025 mm (dynamic)

  • Axial: ±1 mm (static)

• Operating Temperature Range: –20 °C to +105 °C

• Storage Temperature Range: –40 °C to +125 °C

• Shock Resistance: 100 g for 6 milliseconds

• Vibration Resistance: 50 g from 10 Hz to 2,000 Hz

• EMC Compliance: According to EN 61000-6-2, EN 61000-6-4, IEC 61326-3

• Protection Rating: IP40 (when the cover and connector are properly closed)

• MTTFD (Mean Time to Dangerous Failure): 145 years

Typical Applications

• Industries:

  • Packaging machinery

  • Robotics

  • Industrial automation

• Use Cases:

  • Precise position feedback for servo motors

  • Applications needing high-resolution singleturn feedback

  • Compact installations requiring space-saving encoder solutions