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Optical Encoder EKM36 | 20 Bit Resolution | SIL 2 Safety Level | IP40 Enclosure | by SICK
The Optical Encoder EKM36 is designed for precise position measurement in industrial automation, featuring a 20-bit resolution and SIL 2 safety compliance. With an operating speed of up to 9,000 min⁻¹ and an IP40 enclosure rating, it ensures reliable performance in safety-critical applications, making it ideal for high-speed machinery and environments requiring robust optical measurement.
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Technical Specifications
- Position resolution: 20 bit per revolution
- Signal noise: ±4 arcseconds
- Number of absolute ascertainable revolutions: 4,096
- Available memory area: 8,192 Byte
- Measurement step per revolution: 1,048,576
- Measurement principle: Optical
- Communication interface: HIPERFACE DSL®
- Supply voltage: 7 V to 12 V, recommended 8 V
- Current consumption: ≤150 mA
- Output frequency for digital position value: 0 kHz to 75 kHz
- Shaft version: Tapered shaft
- Operating speed: ≤9,000 min⁻¹
- Operating temperature range: –20 °C to +115 °C
- Enclosure rating: IP40 with mating plugs inserted and cover closed
- Safety integrity level: SIL 2 (IEC 61508), SILCL2 (EN 62061)
- Performance level: PL d (EN ISO 13849)
- Moment of inertia of rotor: 4.5 gcm²
- Operating height: up to 2,000 m above sea level
- Dimensions (H x L x W): 36mm x 50mm x 36mm
- Weight: 0.1 kg
Key Features
- Low-resistance connection cable between housing potential and mass
- Hybrid ball bearing for extended life
- Safety integrity level SIL 2 (IEC 61508) and Performance level PL d (EN ISO 13849)
- Optical measurement principle with 20 bit resolution per revolution
- HIPERFACE DSL® communication interface
- Operating temperature range from –20 °C to +115 °C
- IP40 enclosure rating with mating plugs inserted and cover closed
- Operating speed up to 9,000 min⁻¹ with angular acceleration up to 500,000 rad/s²
- Tapered shaft with stator coupling
- EMC compliant according to EN 61000-6-2, EN 61000-6-4, and IEC 61326-3
Professional Installation Requirements
- Installation by qualified personnel is recommended to ensure proper electrical connections and compliance with safety standards.
Applications
- Industrial automation for precise position measurement
- Safety-related applications requiring SIL 2 and PL d compliance
- High-speed machinery with operating speeds up to 9,000 min⁻¹
- Environments requiring robust optical measurement with low signal noise
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- High reliability reduces need for frequent replacements, minimizing electronic waste
- Low power consumption with supply voltage between 7 V and 12 V
- Robust design extends product life, reducing environmental impact
Warranty Information
Warranty details available upon request from SICK; typically includes coverage against manufacturing defects.
Available Now
The SICK EKM36-2KF0B0S14 optical encoder is available for immediate purchase, ideal for industrial automation and safety-critical applications requiring high precision and reliability.
