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DFS60I-S4AL02550 | Incremental encoders

BRAND: SICK
SKU: 1154513
$1,427.50 List price: $1,794.20
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The SICK DFS60I-S4AL02550 is a robust incremental encoder featuring high resolution, stainless steel construction, and IP67 protection, ideal for precise industrial motion control applications.

Product Name/Title: DFS60I-S4AL02550 | Incremental encoders

Brand: SICK

SKU: 1154513

Alternatively Known As: Incremental rotary encoder, rotary position sensor, shaft encoder, industrial encoder

Technical Specifications
  • Pulses per revolution: 2,550
  • Measuring step: 90° electric / pulses per revolution
  • Measuring step deviation: ±0.008°
  • 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: 40 mA (without load)
  • Load resistance: ≥ 120 Ω
  • Connection type: Cable, 8-wire, radial, 3 m
  • Supply voltage: 4.5 to 5.5 V
  • Reference signal: 1, positioned at 90° electric, logically gated with A and B
  • Reverse polarity protection: Yes
  • Short-circuit protection: Yes
  • Mechanical design: Solid shaft, face mount flange
  • Shaft diameter: 10 mm with flat
  • Shaft length: 19 mm
  • Shaft material: Stainless steel V2A
  • Flange material: Stainless steel V2A
  • Housing material: Stainless steel V2A
  • Start up torque: 1 Ncm at +20°C
  • Operating torque: 0.5 Ncm at +20°C
  • Permissible shaft loading: 80 N radial, 40 N axial
  • Operating speed: ≤ 9,000 min⁻¹
  • Moment of inertia of rotor: 6.2 gcm²
  • Bearing lifetime: 3.6 x 10^10 revolutions
  • Angular acceleration: ≤ 500,000 rad/s²
  • EMC: According to EN 61000-6-2 and EN 61000-6-3
  • Enclosure rating: IP67 (housing and shaft side)
  • Permissible relative humidity: 90% (no condensation)
  • Operating temperature range: -40°C to +100°C
  • Storage temperature range: -40°C to +100°C
  • Resistance to shocks: 100 g, 6 ms
  • Resistance to vibration: 10 g, 10 Hz to 2,000 Hz
  • Dimensions (H x L x W): 58mm x 40mm x 58mm
  • Weight: 0.5 kg
Key Features
  • High resolution with 2,550 pulses per revolution
  • Solid shaft with stainless steel V2A housing and flange
  • IP67 rated enclosure for dust and water protection
  • TTL / RS-422 incremental communication interface
  • 6-channel signal output with reference signal
  • Reverse polarity and short-circuit protection
  • Operating temperature range from -40°C to +100°C
  • High mechanical durability with bearing lifetime of 3.6 x 10^10 revolutions
  • Low start-up torque of 1 Ncm and operating torque of 0.5 Ncm
Professional Installation Requirements
  • Installation by qualified personnel is recommended to ensure proper electrical connections and mechanical mounting for optimal performance and safety.
Applications
  • Industrial automation and control systems
  • Robotics and motion control
  • Conveyor systems
  • Machine tool positioning
  • Rotational speed and position measurement
Standards & Compliance
  • Complies with AS/NZS 60950 – Safety of IT and Communication Equipment
Environmental Benefits
  • Durable stainless steel housing extends product lifespan reducing waste
  • Low power consumption electronics contribute to energy efficiency
  • High reliability reduces maintenance and replacement frequency
Warranty Information

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

Available Now

The SICK DFS60I-S4AL02550 Incremental Encoder is available for immediate purchase, ideal for industrial automation and precise motion control applications.