Product Description

The Keyence FS-N12N is a compact digital fiber optic amplifier designed for high-speed and precise detection in industrial automation applications. As an expansion unit in the FS-N series, it offers an NPN open collector output with a maximum current of 100 mA, suitable for integration into larger sensing systems. The amplifier features a red, 4-element LED light source and offers multiple response time modes, including High Speed (50 µs) and Mega (16 ms), to accommodate various detection needs. Its robust design ensures reliable performance in environments with ambient light levels up to 30,000 lux, operating temperatures ranging from -20°C to +55°C, and resistance to vibrations and shocks. The FS-N12N is ideal for applications requiring precise object detection, such as in semiconductor manufacturing or packaging lines.​

Technical Specifications

• Model: FS-N12N
• Type: Expansion unit
• Output: NPN open collector, 24 V; 1 output max: 100 mA; total 2 outputs max: 100 mA (stand-alone) / 20 mA (multiple connections); residual voltage: ≤1 V
• Control Output: 1
• Light Source: Red, 4-element LED
• Response Time: 50 µs (High Speed), 250 µs (Fine), 500 µs (Turbo), 1 ms (Super), 4 ms (Ultra), 16 ms (Mega)
• Interference Prevention Units: 0 (High Speed), 4 (Fine), 8 (Turbo/Super/Ultra/Mega); doubles when set to double
• Unit Expansion: Up to 16 units (2-output types count as 2 units)
• Power Supply: 12 to 24 VDC ±10%, Ripple (P-P) 10% or less
• Current Consumption:
• Normal: 900 mW or less (36 mA max. at 24 V, 48 mA max. at 12 V)
• Eco On mode: 800 mW or less (32 mA max. at 24 V, 39 mA max. at 12 V)
• Eco Full mode: 470 mW or less (19 mA max. at 24 V, 23 mA max. at 12 V)
• Ambient Light Resistance: Incandescent lamp: 20,000 lux or less; Sunlight: 30,000 lux or less
• Operating Temperature: -20 to +55°C (no freezing)
• Humidity Range: 35 to 85% RH (no condensation)
• Vibration Resistance: 10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of X, Y, and Z directions
• Shock Resistance: 500 m/s², 3 times in each of X, Y, and Z directions
• Housing Material: Polycarbonate
• Weight: Approximately 45 g