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Incremental Rotary Encoder SICK DFS25A | 550 PPR | IP65/IP67 Rated | High Precision | by SICK
The SICK DFS25A incremental rotary encoder delivers exceptional performance with 550 pulses per revolution and a measuring step deviation of just ±0.008°. Designed for industrial automation and robotics, it features a robust mechanical design with IP65/IP67 protection, ensuring reliability in harsh environments. Ideal for precise motion control and machine tool positioning, this encoder is built to withstand extreme temperatures from -30 °C to +85 °C.
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Technical Specifications
- Pulses per revolution: 550
- Measuring step: ±90°, electric/pulses per revolution
- Measuring step deviation: ±0.008° pulses 100 ... 10,000
- 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: Male connector, MS, 10-pin, radial
- Supply voltage: 8 ... 30 V
- Reference signal position: 180°, electrical, logically gated
- Code sequence: Counterclockwise
- Reverse polarity protection: Yes
- Short-circuit protection of outputs: Yes
- Mechanical design: Solid shaft, square flange
- Shaft diameter: 3/8″ with flat
- Shaft length: 19 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): 50mm x 70mm x 50mm
- Weight: 0.4 kg
Key Features
- Incremental communication interface with HTL / Push pull
- 6-channel signal output
- High precision with measuring step deviation of ±0.008°
- 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
- 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 safety standards to ensure proper connection and operation.
Applications
- Industrial automation and control systems
- Robotics and motion control
- Machine tool positioning
- Conveyor and material handling systems
Standards & Compliance
- AS/NZS 61000 – Electromagnetic compatibility (EMC) standards
Environmental Benefits
- Durable design reduces need for frequent replacements, minimizing waste
- Low power consumption contributes to energy efficiency
Warranty Information
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
Available Now
The SICK DFS25A-A2BAD000550 incremental encoder is available for immediate purchase, ideal for industrial automation and precision motion control applications.
