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Keyence FS-N41P Digital Fiber Optic Sensor

£137.94

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  • Ultra-Fast Detection: Response time as low as 23 µs for high-speed applications.
  • Flexible Output Configurations: Adjustable output modes for various sensing needs.
  • Energy-Efficient Modes: Eco options reduce power consumption without sacrificing performance.
  • Robust Industrial Durability: IP-rated protection with high vibration and shock resistance.
  • Expandable System: Supports up to 16 expansion units for large-scale applications.
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Keyence FS-N41P Digital Fiber Optic Sensor

The Keyence FS-N41P is a high-speed digital fiber optic sensor amplifier, engineered for precise and stable detection in industrial automation applications. Featuring ultra-fast 23 µs response, energy-efficient operation, and expandable connectivity for up to 16 units, this sensor is ideal for high-speed production, packaging, and precision presence detection.


Technical Specifications

Manufacturer: Keyence
Product Series: FS-N Series
Model: FSN41P
Type: Cable-Type Digital Fiber Optic Sensor Amplifier
Output Type: PNP
Unit Type: Main Unit


Performance & Response Time

  • Response Time Modes:
    • S-HSPD: 23 µs
    • HSPD: 50 µs
    • FINE: 250 µs
    • TURBO: 500 µs
    • SUPER: 1 ms
    • ULTRA: 4 ms
    • MEGA: 16 ms
    • TERA: 64 ms
  • Light Source:
    • Type: Red Four-Element LED (660 nm Wavelength)

Input & Output Functions

  • Control Outputs: 1 (Open Collector, 30 VDC Max, 100 mA Max)
  • Residual Voltage:
    • ≤ 1.6 V @ ≤10 mA
    • ≤ 2.2 V @ 10–100 mA
  • External Input Timing: ≥ 2 ms (ON), ≥ 20 ms (OFF)

Unit Expansion & Interference Prevention

  • Expansion Capacity: Up to 16 expansion units (17 total incl. main)
  • Mutual Interference Prevention:
    • S-HSPD / HSPD: Not supported
    • FINE: Up to 4 units
    • TURBO to TERA: Up to 8 units
      (Values double when “Double” mode is active)

Power Supply & Consumption

  • Power Voltage: 10 to 30 VDC (Ripple P-P ≤10%, Class 2 or LPS)
  • Power Consumption:
    • Normal: 910 mW (36 mA @ 24 V / 65 mA @ 12 V)
    • Eco ON: 840 mW (33 mA @ 24 V / 60 mA @ 12 V)
    • Eco FULL: 750 mW (30 mA @ 24 V / 52 mA @ 12 V)

Environmental Resistance

  • Ambient Light Resistance:
    • Incandescent: 20,000 lux Max
    • Sunlight: 30,000 lux Max
  • Operating Temperature:
    • -20°C to +55°C (Max temp varies by unit count)
    • Up to 2 units: +55°C
    • 3–10 units: +50°C
    • 11–16 units: +45°C
  • Relative Humidity: 35% to 85% RH (No Condensation)
  • Vibration Resistance: 10–55 Hz, 1.5 mm double amplitude, 2 hours each axis
  • Shock Resistance: 500 m/s², 3 times per axis

Material & Construction

  • Case Material: Polycarbonate
  • Cable Material: PVC
  • Weight: Approx. 78 g

Key Features & Benefits

Ultra-Fast Detection: Response time as low as 23 µs for high-speed applications.

Flexible Output Configurations: Adjustable PNP open-collector outputs.

Energy-Efficient Modes: Eco options reduce power consumption without affecting performance.

Robust Industrial Durability: Withstands high shock and vibration in industrial environments.

Expandable System: Supports up to 16 expansion units for scalable installations.


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For more information about the Keyence FS-N41P or assistance in selecting the right product for your needs, contact Drive Outlet Megastore.

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Weight 1.5 kg

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