SICK EDM35-2KF0A020A-40

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The EDM35-2KF0A020A-40 is a compact, high-resolution multiturn motor feedback encoder from SICK, designed for precise positioning in motor control systems. It uses the HIPERFACE DSL® interface, allowing both power and data transmission over a single cable, reducing installation complexity and saving space. Its 35 mm housing diameter makes it ideal for motors in tight spaces.

Key Features

• Interface: HIPERFACE DSL® (digital single-cable interface)

• Resolution:

  • Singleturn: 20-bit (1,048,576 steps per revolution)

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

• System Accuracy: ±50 arcseconds

• Signal Noise: ±3 arcseconds at 25 °C

• Startup Time: ≤500 milliseconds

• User Memory: 8,192 bytes

• Temperature Sensor Compatibility: Supports NTC and PTC sensors

• Connector: 4-pin male connector

• Power Supply: 7 V to 12 V DC

• Current Consumption: ≤150 mA

• Weight: ≤100 g

Mechanical & Environmental Specs

• Shaft Type: Tapered shaft

• Max Speed: 9,000 rpm

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

• Permissible Shaft Movement:

  • Radial:

    • Static: ±0.1 mm

    • Dynamic: ±0.025 mm

  • Axial:

    • Static: ±1 mm

• Operating Temperature: –40 °C to +115 °C

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

• Shock Resistance: 100 g for 6 ms

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

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

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

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

Functional Safety Features

• Safety Integrity Level: SIL 2 (IEC 61508), SILCL 3 (EN 62061)

• Performance Level: PL d (EN ISO 13849-1)

• Category: Cat. 3 (EN ISO 13849-1)

• Diagnostic Test Interval: 24 hours

• Max Demand Rate: 216 µs

• Safety Resolution: 13-bit

• Max Difference Between Two Safe Positions: 3 steps

• Probability of Dangerous Failure per Hour (PFH): 33 × 10⁻⁹

• Mission Time: 20 years

• Safety Position Accuracy: 0.135°

Applications

• Industries:

  • Packaging machines

  • Robotics

  • Industrial automation

• Use Cases:

  • High-precision multiturn positioning

  • Servo motor feedback

  • Safety-critical environments requiring SIL/PL certified encoders