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The ELM35-0CA0A024A-40 is a compact, high-resolution multiturn motor feedback encoder developed by SICK. It utilizes the BiSS C digital interface, enabling both power and data transmission through a single cable, which simplifies installation and reduces system complexity. This encoder is designed for integration into motors with a 35 mm diameter, making it ideal for applications where space is limited.

Key Technical Features

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

• Resolution:

  • Per Revolution: 24-bit (16,777,216 steps)

  • Multiturn Capability: 12-bit (4,096 revolutions)

• System Accuracy: ±120 arcseconds

• Signal Noise: ±10 arcseconds (at 25 °C)

• Initialization Time: ≤500 ms

• User Memory: 2,048 bytes available

• Temperature Sensor Support: Compatible with NTC/PTC sensors

• Connection Type: 6-pin male connector

• Power Supply: 5 V DC (±10%)

• Current Consumption: ≤150 mA

• Weight: ≤100 g

Mechanical & Environmental Properties

• Shaft Type: Blind hollow shaft

• Maximum Operating Speed: 6,000 rpm (continuous), 7,500 rpm (short-term)

• Maximum Angular Acceleration: ≤100,000 rad/s²

• Permissible Shaft Movement:

  • Radial:

    • Static: ±0.1 mm

    • Dynamic: ±0.05 mm

  • Axial:

    • Static: ±0.5 mm

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

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

• Shock Resistance: 100 g for 6 ms

• Vibration Resistance: 20 g from 5 Hz to 2,000 Hz

• EMC Compliance: According to EN 61000-6-2, EN 61000-6-4, and IEC 61000-6-7

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

Applications

• Industries:

  • Packaging

  • Robotics

  • Industrial Automation

• Use Cases:

  • Precise position measurement in servo motors

  • Applications requiring high-resolution multiturn feedback

  • Environments demanding compact encoder solutions