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Incremental Rotary Encoder DFS20A-A2AAD000360 | 360 Pulses/Rev | ±0.008° Measuring Step | IP65/IP67 Rated | by SICK

BRAND: SICK
SKU: 1073068
$1,149.40 List price: $1,444.60
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The Incremental Rotary Encoder DFS20A-A2AAD000360 delivers high precision with 360 pulses per revolution and a measuring step deviation of ±0.008°. Designed for industrial automation, robotics, and motion control, it features a robust mechanical design with IP65/IP67 ratings for dust and water protection, ensuring reliable performance in challenging environments.
Technical Specifications
  • Mean time to dangerous failure (MTTFD): 330 years (EN ISO 13849-1)
  • Pulses per revolution: 360
  • Measuring step: ±90°, electric/pulses per revolution
  • Measuring step deviation: ±0.008° pulses 100 ... 10,000
  • Error limits: ±0.03°
  • Communication interface: Incremental TTL / RS-422
  • Number of signal channels: 6
  • 0-set function via hardware pin: H-active, L = 0 - 3 V, H = 4.0 - U s V
  • Initialization time: 40 ms
  • Output frequency: 820 kHz
  • Load current: 30 mA
  • Operating current: 50 mA (without load)
  • Connection type: Male connector, MS, 10-pin, radial
  • Supply voltage: 4.5 ... 5.5 V
  • Reference signal: 1, position 180°, electrical, logically gated with BN2
  • Code sequence: Counterclockwise
  • Reverse polarity protection and short-circuit protection included
  • Mechanical design: Solid shaft, square flange
  • Shaft diameter: 3/8″ with flat
  • Shaft length: 16 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 the rotor: 15 gcm²
  • Bearing lifetime: 3.6 x 10⁹ revolutions
  • Angular acceleration: ≤ 500,000 rad/s²
  • EMC compliance: 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): 50mm x 70mm x 50mm
  • Weight: 0.4 kg
Key Features
  • 360 pulses per revolution for high resolution
  • Measuring step deviation of ±0.008° with error limits of ±0.03°
  • 6-channel incremental communication interface with TTL / RS-422
  • Robust mechanical design with solid shaft and square flange
  • IP65 rated on shaft side and IP67 on housing side for dust and water protection
  • Operating temperature range from –30 °C to +85 °C
  • Reverse polarity and short-circuit protection
  • Low start-up torque of 0.5 Ncm and operating torque of 0.3 Ncm
Professional Installation Requirements
  • Installation should be performed by qualified personnel familiar with incremental encoder wiring and configuration to ensure proper operation and safety.
Applications
  • Industrial automation for precise position and speed measurement
  • Robotics and motion control systems
  • Conveyor and material handling systems
  • Machine tool feedback and control
Standards & Compliance
  • Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Durable design reduces need for frequent replacements, minimizing waste
  • Low power consumption electronics contribute to energy efficiency
Warranty Information

Standard manufacturer warranty applies. Please refer to SICK's official warranty policy for details.

Available Now

The SICK DFS20A-A2AAD000360 incremental encoder is available for immediate purchase, ideal for industrial automation and motion control applications.