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Incremental Rotary Encoder SICK DFS25A | ±0.03° Precision | IP65/IP67 Protection | by SICK

BRAND: SICK
SKU: 1105779
$1,002.20 List price: $1,259.60
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The SICK DFS25A-A4B1N000100 incremental rotary encoder delivers high precision with ±0.03° error limits, making it ideal for industrial automation and control systems. With a robust mechanical design and a wide operating temperature range of –30 °C to +85 °C, this encoder ensures reliable performance in demanding environments. Its incremental communication interface and 6-channel signal output provide versatile applications in robotics, conveyor systems, and machinery feedback.
Technical Specifications
  • MTTFD: 330 years (EN ISO 13849-1)
  • Pulses per revolution: 100
  • Measuring step: ±90°, electric/pulses per revolution
  • Measuring step deviation: ±0.008° pulses 100 ... 10,000
  • Communication interface: Incremental HTL / Push pull
  • Number of signal channels: 6
  • 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, 5 m
  • Supply voltage: 8 ... 30 V
  • Shaft diameter: 10 mm with flat
  • Shaft length: 19 mm
  • Shaft material: Stainless steel 1.4305
  • Flange and 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 10^9 revolutions
  • Angular acceleration: ≤ 500,000 rad/s²
  • EMC: 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
  • Shock resistance: 100 g, 11 ms
  • Vibration resistance: 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 precision with ±0.03° error limits
  • Incremental communication interface with HTL / Push pull
  • 6-channel signal output with 0-set function via hardware pin
  • Robust mechanical design with solid shaft and square flange
  • Wide operating temperature range from –30 °C to +85 °C
  • Protection rating IP65 on shaft side and IP67 on housing side
  • Reverse polarity and short-circuit protection
  • Long bearing lifetime of 3.6 x 10^9 revolutions
Professional Installation Requirements
  • Installation should be performed by qualified personnel familiar with incremental encoders and electrical wiring standards to ensure proper connection and safety.
Applications
  • Industrial automation and control systems
  • Rotational position and speed measurement
  • Robotics and machinery feedback
  • Conveyor systems and material handling
Standards & Compliance
  • Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Low power consumption of 0.7 W reduces energy usage
  • Durable materials and long service life minimize waste
  • Compliance with China-RoHS ensures reduced hazardous substances
Warranty Information

Standard manufacturer warranty applies; please refer to SICK's official warranty policy.

Available Now

The SICK DFS25A-A4B1N000100 incremental encoder is available for immediate purchase, ideal for industrial automation and precise rotational measurement applications.