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Safe Motor Feedback Encoder | SIL 2 Compliance | 20 Bit Resolution | IP40 Enclosure | by SICK
The EDM35-2KF0A020A-40 safe motor feedback encoder delivers precise position feedback with a 20-bit resolution, ensuring compliance with SIL 2 safety standards. Designed for industrial automation, it operates in extreme temperatures from -40 °C to +115 °C, making it ideal for safety-critical applications. With an optical measurement principle and robust IP40 enclosure, this encoder guarantees reliability and durability in demanding environments.
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Technical Specifications
- Safety integrity level: SIL 2 (IEC 61508), SILCL3 (IEC 62061)
- Category: 3 (EN ISO 13849-1:2015)
- Performance level: PL d (EN ISO 13849-1:2015)
- Position resolution: 20 bit per revolution
- System accuracy: ± 50 seconds
- Signal noise: ± 3 seconds
- Number of absolute ascertainable revolutions: 4,096
- Available memory area: 8,192 Byte
- Measurement principle: Optical
- Communication interface: HIPERFACE DSL®
- Initialization time: ≤ 500 ms
- Connection type: Male connector, 4-pin
- Supply voltage: 7 V to 12 V
- Current consumption: ≤ 150 mA
- Shaft version: Tapered shaft
- Moment of inertia of rotor: 5 gcm²
- Operating speed: ≤ 9,000 min⁻¹
- Angular acceleration: ≤ 250,000 rad/s²
- Start up torque: ≤ 0.6 Ncm at +20 °C
- Permissible movement static: ± 1 mm axial
- Permissible movement dynamic: ± 0.025 mm radial
- Life of ball bearings: 50,000 h at 6,000 min⁻¹ (flange temperature 70 °C)
- Operating temperature range: -40 °C to +115 °C
- Storage temperature range: -40 °C to +125 °C
- Relative humidity: 90%, condensation not permitted
- Resistance to shocks: 100 g, 6 ms
- Resistance to vibrations: 50 g, 10 Hz to 2,000 Hz
- EMC compliance: EN 61000-6-2:2016, EN 61000-6-4:2006, IEC 61000-6-7:2014
- Enclosure rating: IP40
- Dimensions (H x L x W): 35mm x 50mm x 35mm
- Weight: 0.1 kg
Key Features
- Safe singleturn absolute position feedback
- Safety integrity level SIL 2 (IEC 61508), SILCL3 (IEC 62061)
- Category 3 (EN ISO 13849-1:2015) safety standard compliance
- Performance level PL d (EN ISO 13849-1:2015)
- 20 years mission time
- Optical measurement principle with 20 bit resolution per revolution
- System accuracy ± 50 seconds
- Operating temperature range from -40 °C to +115 °C
- IP40 enclosure rating when cover is closed and connector attached
- Operating speed up to 9,000 min⁻¹
- Low start-up torque ≤ 0.6 Ncm at +20 °C
Professional Installation Requirements
- Installation by qualified personnel is recommended to ensure compliance with safety standards and proper integration into control systems.
Applications
- Industrial automation for safe motor feedback
- Safety-related position measurement in machinery
- Use in systems requiring SIL 2 and PL d safety levels
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Long operational life reduces waste and replacement frequency
- Low power consumption (7 V to 12 V supply voltage)
- Robust design minimizes environmental impact through durability
Warranty Information
Warranty details available upon request from manufacturer.
Available Now
The SICK EDM35-2KF0A020A-40 safe motor feedback system is available for immediate purchase, ideal for industrial automation and safety-critical applications.
