SCHNAP Logo

Christmas/New Year Delay Notice: Many suppliers are closed 22 Dec – 15 Jan. Some orders may experience delays.
Christmas/New Year Delay Notice: Many suppliers are closed 22 Dec – 15 Jan. Some orders may experience delays.
Making Trade Life Easy!
Trade Discount 20%

Incremental Rotary Encoder | 2048 Pulses/Rev | IP65/IP67 Rated | Robust Hollow Shaft Design | by SICK

BRAND: SICK
SKU: 1078979
$1,023.00 List price: $1,285.90
+
The Incremental Rotary Encoder DFS21A-LCB1N002048 offers high precision with 2048 pulses per revolution, making it ideal for industrial automation and control systems. Designed for durability, it features a robust through hollow shaft and is IP65/IP67 rated for protection against dust and water. With a low start-up torque and high bearing lifetime, this encoder is perfect for applications requiring reliable rotational position and speed measurement.
Technical Specifications
  • Pulses per revolution: 2048
  • Measuring step: ±90°, electric/pulses per revolution
  • Measuring step deviation: ±0.008° pulses 100 to 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: 9-wire cable, radial, 5 m length
  • Supply voltage: 8 to 30 V
  • Reference signal: 1, positioned at 180°, gated with A
  • Code sequence: Clockwise
  • Reverse polarity protection: Yes
  • Short-circuit protection of outputs: Yes
  • Mechanical design: Through hollow shaft
  • Shaft diameter: 3/8 inch front clamp
  • Flange type: 3-point stator coupling
  • Shaft material: Stainless steel 1.4305
  • Flange and housing material: Aluminum
  • Start-up torque: 0.8 Ncm at +20°C
  • Operating torque: 0.6 Ncm at +20°C
  • Permissible static movement: ±0.3 mm radial, ±0.5 mm axial
  • Permissible dynamic movement: ±0.05 mm radial, ±0.1 mm axial
  • Operating speed: up to 6000 min⁻¹
  • Moment of inertia of rotor: 40 gcm²
  • Bearing lifetime: 3.6 x 10⁹ revolutions
  • Angular acceleration: up to 500,000 rad/s²
  • EMC compliance: EN 61000-6-2 and EN 61000-6-3
  • Enclosure rating: IP65 shaft side, IP67 housing side
  • 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 2000 Hz
  • Dimensions (H x L x W): 50mm x 80mm x 50mm
  • Weight: 0.3 kg
Key Features
  • High resolution with 2048 pulses per revolution
  • Robust through hollow shaft mechanical design
  • IP65 rated shaft side and IP67 rated housing side for protection
  • Reverse polarity and short-circuit protection
  • Low start-up torque of 0.8 Ncm
  • Operating speed up to 6000 min⁻¹
  • High bearing lifetime of 3.6 x 10⁹ revolutions
  • EMC compliant according to EN 61000-6-2 and EN 61000-6-3
Professional Installation Requirements
  • Installation should be performed by qualified personnel familiar with electrical and mechanical integration of incremental encoders to ensure proper alignment and connection.
Applications
  • Industrial automation and control systems
  • Rotational position and speed measurement
  • Robotics and machinery feedback
  • Conveyor and material handling systems
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
  • Durable design reduces replacement frequency and waste
  • Low power consumption of 0.7 W minimizes energy use
Warranty Information

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

Available Now

The SICK DFS21A-LCB1N002048 incremental encoder is available for immediate purchase, ideal for industrial automation and precise rotational measurement applications.