Amplifier -FS-N18N - Keyence

Fiber Optic Sensor Amplifier
Brand: Keyence
Model: FS-N18N
Product Overview
Keyence FS-N18N is a high-performance digital fiber optic sensor amplifier designed for precise object detection when used with Keyence FU-series fiber optic sensor heads. It is widely used as a feeding sensor amplifier in CNC machines, woodworking machinery, packaging lines, and industrial automation systems.
Technical Specifications
General
Type: Digital Fiber Optic Sensor Amplifier
Output Type: NPN Open Collector
Output Channels: 1
Mounting Type: Panel / DIN rail mount
Electrical Parameters
Supply Voltage: 12 – 24V DC ±10%
Current Consumption:
Normal Mode: Approx. 26 mA @ 24V
Eco Mode: Reduced power consumption
Max Output Load: 100 mA (24V DC max)
Residual Voltage: ≤ 1V
Light Source & Response
Light Source: Red LED (4-element)
Switching Mode: Light-ON / Dark-ON selectable
Response Time Settings:
50 μs (High Speed)
250 μs
500 μs
1 ms
4 ms
16 ms
Functions
Timer Functions:
OFF
ON-Delay
OFF-Delay
One-Shot
Sensitivity Adjustment: Digital setting via control buttons
Indicators: Output status LED & operation indicator
Environmental & Mechanical
Operating Temperature: -20°C to +55°C
Ambient Light Immunity:
Incandescent lamp: up to 20,000 lux
Sunlight: up to 30,000 lux
Housing Material: Industrial-grade polycarbonate
Weight: Approx. 75 g
Compatible Sensor Heads
Keyence FU-Series Fiber Optic Sensors (including FU-6F)
Applications
Feeding detection in CNC machines
Woodworking & panel processing machines
Automation & conveyor systems
Packaging & material handling lines
Key Features
High-speed & high-accuracy detection
Stable NPN output for PLC interfacing
Multiple response time options
Compact & durable industrial design
Reliable Keyence quality
Package Includes
1 × Keyence FS-N18N Fiber Optic Amplifier