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Incremental Rotary Encoder SICK DFS20A | 6-Channel Output | IP65/IP67 Rated | by SICK
The SICK DFS20A incremental rotary encoder features a robust design with a solid shaft and square flange, making it ideal for industrial automation and motion control applications. With a high precision measuring step deviation of ±0.04° and an incremental communication interface, it ensures reliable performance in demanding environments. Its IP65/IP67 rating provides excellent protection against dust and moisture, while the wide operating temperature range from –30 °C to +85 °C ensures versatility across various applications.
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Technical Specifications
- Mean time to dangerous failure (MTTFD): 330 years (EN ISO 13849-1)
- Pulses per revolution: 4
- Measuring step: ±90°, electric/pulses per revolution
- Measuring step deviation: ±0.04° pulses 1...99
- Error limits: ±0.03°
- Communication interface: Incremental HTL / Push pull
- Number of signal channels: 6
- 0-set function via hardware pin: Yes, H-active
- Initialization time: 40 ms
- Output frequency: 820 kHz
- Load current: 30 mA
- Power consumption: 0.7 W (without load)
- Connection type: Cable, 9-wire, radial, 1.5 m
- Supply voltage: 8...30 V
- Reference signal: 1 at 180°, gated with A
- Code sequence: Clockwise
- Reverse polarity protection: Yes
- Short-circuit protection of outputs: Yes
- Mechanical design: Solid shaft, square flange
- Shaft diameter: 1/4 inch with flat
- Shaft length: 16 mm
- Shaft material: Stainless steel 1.4305
- Flange material: Aluminum
- Housing material: Aluminum
- Start up torque: 0.5 Ncm (+20 °C)
- Operating torque: 0.3 Ncm (+20 °C)
- Permissible shaft loading: 80 N radial, 40 N axial
- Operating speed: ≤ 9,000 min⁻¹
- Moment of inertia of rotor: 15 gcm²
- Bearing lifetime: 3.6 x 10⁹ revolutions
- Angular acceleration: ≤ 500,000 rad/s²
- EMC: According to EN 61000-6-2 and EN 61000-6-3
- Enclosure rating: IP65 shaft side, IP67 housing side
- Permissible relative humidity: 90% (no condensation)
- Operating temperature range: –30 °C to +85 °C
- Storage temperature range: –40 °C to +100 °C
- Resistance to shocks: 100 g, 11 ms
- Resistance to vibration: 30 g, 10 Hz to 2,000 Hz
- Dimensions (H x L x W): 40mm x 70mm x 40mm
- Weight: 0.4 kg
Key Features
- Incremental communication interface with HTL / Push pull signals
- 6-channel signal output with 4 pulses per revolution
- High precision measuring step deviation of ±0.04°
- Robust mechanical design with solid shaft and square flange
- IP65 rated on shaft side and IP67 on housing side for protection
- Wide operating temperature range from –30 °C to +85 °C
- Reverse polarity and short-circuit protection on outputs
- Low power consumption of 0.7 W without load
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with incremental encoders and electrical wiring standards to ensure proper connection and compliance with safety regulations.
Applications
- Industrial automation and control systems
- Robotics and motion control
- Conveyor systems and material handling
- Machine tool positioning and feedback
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Durable design reduces need for frequent replacements, minimizing waste
- Low power consumption contributes to energy efficiency in industrial systems
Warranty Information
Standard manufacturer warranty applies. Please refer to SICK's official warranty policy for details.
Available Now
The SICK DFS20A-A1B1L000004 incremental encoder is available for immediate purchase, ideal for industrial automation and motion control applications.
