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Optical Rotary Encoder EKM36-2KF0B018A | 18 Bit Resolution | SIL 2 Safety Compliance | IP40 Rated | by SICK
The Optical Rotary Encoder EKM36-2KF0B018A features an impressive 18-bit resolution per revolution and SIL 2 safety compliance, making it ideal for industrial automation and safety-critical applications. With a robust design and an operating temperature range of -20 °C to +115 °C, this encoder ensures high precision and reliability in demanding environments.
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Technical Specifications
- Position resolution: 18 bit per revolution
- System accuracy: ±120 arcseconds
- Signal noise: ±5 arcseconds
- Number of absolute ascertainable revolutions: 4,096
- Available memory area: 8,192 Byte
- Measurement step per revolution: 262,144
- 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
- Moment of inertia of rotor: 4.5 gcm²
- Operating torque: 0.2 Ncm
- Start up torque: 0.3 Ncm
- Permissible static movement: ±0.1 mm radial, ±0.5 mm axial
- Permissible dynamic movement: ±0.05 mm radial, ±0.1 mm axial
- Life of ball bearings: 3.6 x 10^9 revolutions
- Operating temperature range: –20 °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
- Enclosure rating: IP40
- Dimensions (H x L x W): 36mm x 20mm x 36mm
- Weight: 0.1 kg
Key Features
- Optical measurement principle with 18 bit resolution per revolution
- Safety integrity level SIL 2 (IEC 61508) and Performance Level PL d (EN ISO 13849)
- Binary code output with HIPERFACE DSL® communication interface
- Operating temperature range from –20 °C to +115 °C
- Operating speed up to 9,000 min⁻¹ with low operating torque of 0.2 Ncm
- Enclosure rating IP40 with mating plugs inserted and cover closed
- High resistance to shocks (100 g, 6 ms) and vibrations (50 g, 10 Hz to 2,000 Hz)
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with electrical safety standards and encoder integration to ensure compliance with safety and performance requirements.
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 IP40 protection
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
- AS/NZS 3820 – Essential Safety Requirements for Electrical Equipment
Environmental Benefits
- Low power consumption with supply voltage between 7 V and 12 V
- Durable design reduces waste and replacement frequency
- Complies with China-RoHS for hazardous substance restrictions
Warranty Information
Warranty details available upon request from SICK; typically includes coverage against manufacturing defects.
Available Now
The SICK EKM36-2KF0B018A optical encoder is available for immediate purchase, ideal for industrial automation and safety-critical applications requiring high precision and reliability.
