Keyence FS-V21 Fiber Optic Sensor Amplifier

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Product Name: Keyence FS-V21 Fiber Optic Sensor Amplifier (Main Unit, Cable Type, NPN Output)

Function: The FS-V21 is a digital fiber optic sensor amplifier designed for high-speed, high-resolution detection in industrial automation environments. It supports a wide range of fiber units and offers flexible response modes for precision sensing.

Key Features:

• Red LED light source
• Multiple response modes: FINE (250 µs), TURBO (500 µs), SUPER TURBO (1 ms), ULTRA TURBO (4 ms), HIGH RESOLUTION (500 µs), HIGH SPEED (50 µs)
• Timer functions: OFF-delay, ON-delay, one-shot (1 to 500 ms)
• Shift function: ±1,999 (variable)
• Control output: NPN open collector, 40 V max, 100 mA max
• Power supply: 12–24 VDC ±10%, ripple ≤10%
• Power consumption: 430–720 mW depending on mode
• Ambient temperature: -10 to +55 °C
• Vibration resistance: 10–55 Hz, 1.5 mm double amplitude
• Shock resistance: 500 m/s², 3 times in each axis
• Housing material: Polycarbonate
• Dimensions: W 9 mm × L 70 mm × H 30 mm
• Weight: Approx. 80 g (with 2 m cable)

Compliance & Notes:

• UL and CSA compliant
• Discontinued model; recommended replacement: FS-N40 series
• Sold primarily in Japan; consult Keyence for international availability

Applications:
Ideal for high-speed detection in packaging, assembly, and precision positioning tasks. Compatible with a wide range of Keyence fiber optic heads for flexible deployment.