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Incremental Rotary Encoder SICK DFS21A-KFA1O065536 | 65,536 Pulses/Rev | IP65/IP67 Rated | by SICK
The SICK DFS21A-KFA1O065536 incremental rotary encoder delivers high precision with 65,536 pulses per revolution, making it ideal for industrial automation and precision measurement applications. Featuring a robust mechanical design and a wide operating temperature range of -30 °C to +85 °C, this encoder ensures reliable performance in demanding environments, while its IP65/IP67 rating provides excellent protection against dust and moisture.
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Technical Specifications
- Pulses per revolution: 65,536
- Measuring step: ± 90°, electric/pulses per revolution
- Measuring step deviation: ± 0.002° pulses > 10,000
- Error limits: ± 0.03°
- Communication interface: Incremental TTL / RS-422
- Number of signal channels: 6
- 0-set function: H-active, hardware pin controlled
- Initialization time: 40 ms
- Output frequency: 820 kHz
- Load current: 30 mA
- Operating current: 50 mA (without load)
- Connection type: Cable, 9-wire, radial, 10 m
- Supply voltage: 4.5 to 5.5 V
- Mechanical design: Through hollow shaft
- Shaft diameter: 1/2″ front clamp
- Flange type: 2-point stator coupling
- Shaft material: Stainless steel 1.4305
- Flange and housing material: Aluminum
- Start-up torque: 0.8 Ncm at +20 °C
- Operating torque: 0.6 Ncm at +20 °C
- Permissible static movement: ± 0.3 mm radial, ± 0.5 mm axial
- Permissible dynamic movement: ± 0.05 mm radial, ± 0.1 mm axial
- Operating speed: ≤ 6,000 min⁻¹
- Moment of inertia of rotor: 40 gcm²
- Bearing lifetime: 3.6 x 10⁹ revolutions
- Angular acceleration: ≤ 500,000 rad/s²
- EMC: EN 61000-6-2 and EN 61000-6-3 compliant
- Enclosure rating: IP65 shaft side, IP67 housing side
- Operating temperature range: –30 °C to +85 °C
- Storage temperature range: –40 °C to +100 °C
- Shock resistance: 100 g, 11 ms
- Vibration resistance: 30 g, 10 Hz to 2,000 Hz
- Dimensions (H x L x W): 58mm x 90mm x 58mm
- Weight: 0.3 kg
Key Features
- High resolution with 65,536 pulses per revolution
- Incremental TTL / RS-422 communication interface
- 6-channel signal output with 0-set function via hardware pin
- Robust mechanical design with through hollow shaft and 1/2″ front clamp
- High operating speed up to 6,000 min⁻¹
- IP65 shaft side and IP67 housing side protection
- Wide operating temperature range from –30 °C to +85 °C
- Reverse polarity and short-circuit protection
- Long bearing lifetime of 3.6 x 10⁹ revolutions
- Low start-up and operating torque
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with incremental encoders and electrical wiring standards to ensure proper connection and operation.
Applications
- Industrial automation and control systems
- Robotics and motion control
- Precision measurement and positioning
- Machine tool feedback
- Conveyor and material handling systems
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Durable design reduces need for frequent replacements, minimizing waste
- Energy-efficient operation with low operating current
- Compliance with RoHS reduces hazardous substances
Warranty Information
Standard manufacturer warranty applies. Please refer to SICK's official warranty policy for details.
Available Now
The SICK DFS21A-KFA1O065536 incremental encoder is available for immediate purchase, ideal for industrial automation and precision measurement applications.
