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Incremental Rotary Encoder | 4096 Pulses/Rev | IP65/IP67 Rated | Stainless Steel Shaft | by SICK
The Incremental Rotary Encoder offers high resolution with 4,096 pulses per revolution, making it ideal for industrial automation and control systems. Built with a robust stainless steel shaft and aluminum housing, it features IP65 and IP67 ratings for dust and water protection, ensuring reliable performance in harsh environments. With a wide operating temperature range from -30°C to +85°C, this encoder is perfect for robotics, machine tool positioning, and safety-related monitoring.
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Technical Specifications
- Pulses per revolution: 4,096
- Measuring step: ±90° electric / pulses per revolution
- Measuring step deviation: ±0.008° pulses 100 to 10,000
- Error limits: ±0.03°
- Communication interface: Incremental TTL / RS-422
- Number of signal channels: 6
- Initialization time: 40 ms
- Output frequency: 820 kHz
- Load current: 30 mA
- Operating current: 50 mA (without load)
- Connection type: Male connector, M12, 8-pin, radial
- Supply voltage: 4.5 to 5.5 V
- Reference signal: 1, positioned at 90°, logically gated with A and B
- Code sequence: Clockwise
- Reverse polarity protection: Yes
- Short-circuit protection of outputs: Yes
- Mechanical design: Solid shaft, square flange
- Shaft diameter: 3/8 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 at +20°C
- Operating torque: 0.3 Ncm at +20°C
- Permissible shaft loading: 80 N radial, 40 N axial
- Operating speed: up to 9,000 min⁻¹
- Moment of inertia of rotor: 15 gcm²
- Bearing lifetime: 3.6 x 10^9 revolutions
- Angular acceleration: up to 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): 58mm x 40mm x 58mm
- Weight: 0.4 kg
Key Features
- High resolution with 4,096 pulses per revolution
- Robust solid shaft design with stainless steel shaft and aluminum housing
- IP65 rated shaft side and IP67 rated housing side for protection against dust and water
- Low start-up torque of 0.5 Ncm and operating torque of 0.3 Ncm
- Reverse polarity and short-circuit protection
- Operating temperature range from -30°C to +85°C
- High resistance to shocks (100 g) and vibration (30 g)
- Incremental TTL / RS-422 communication interface with 6 signal channels
- Mean time to dangerous failure (MTTFD) of 330 years according to EN ISO 13849-1
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with incremental encoders and electrical safety standards to ensure proper connection and operation.
Applications
- Industrial automation and control systems
- Robotics and motion control
- Conveyor and material handling systems
- Machine tool positioning and feedback
- Safety-related monitoring in machinery
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Durable design reduces need for frequent replacements, minimizing waste
- Low power consumption electronics contribute to energy efficiency
- 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 DFS20A-A2A2C004096 incremental encoder is available for immediate purchase, ideal for industrial automation and safety-related applications.
