KEYENCE FS-N41C Main Unit (M8 Connector Type)
Product Description
The KEYENCE FS-N41C is a high-performance fiber optic sensor designed for precise and reliable detection in industrial automation applications. This compact sensor system combines advanced sensing technology with user-friendly operation, making it ideal for detecting small objects, transparent materials, and challenging targets that conventional sensors struggle with. The FS-N41C features a built-in amplifier and fiber optic unit in a single compact housing, providing an integrated solution that simplifies installation and reduces wiring requirements.
Equipped with KEYENCE's proprietary Auto Sensitivity Setting function, the FS-N41C automatically calculates and maintains the optimal detection threshold based on actual operating conditions. This ensures stable performance even in environments with background interference, target variations, or changing environmental conditions. The sensor's dual digital display provides real-time feedback of both received light intensity and set values, enabling quick setup and precise adjustment without additional tools or complex procedures.
The FS-N41C supports both through-beam and diffuse-reflective detection modes, offering flexibility for various application requirements. Its compact size and integrated design make it particularly suitable for space-constrained installations in electronics manufacturing, packaging machinery, automotive assembly, and pharmaceutical production. The sensor's robust construction ensures reliable operation in challenging industrial environments with vibration, electrical noise, or temperature fluctuations.
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Technical Specifications:
General Specifications: The KEYENCE FS-N41C is a compact fiber optic sensor with built-in amplifier. The unit operates on a 12-24V DC power supply with ±10% tolerance. Current consumption is limited to 40mA maximum. The sensor provides one NPN output with a maximum load current of 100mA and residual voltage of 1V maximum. The response time is 0.5ms maximum, supporting high-speed detection applications.
Detection Performance: The sensing distance varies depending on the detection mode and fiber unit configuration. In diffuse-reflective mode, the maximum detection distance is 200mm with standard fiber units. The sensitivity adjustment range extends from 0 to 9999 steps with fine resolution for precise detection settings. The unit features a 10-segment bar graph indicator alongside digital displays for visual sensitivity assessment.
Display and Indicators: The sensor incorporates dual 4-digit LED displays that simultaneously show current received light intensity and preset threshold values. The status indication system includes power indicator (green), operation indicator (green), output indicator (orange), and stability indicator (green). All indicators are clearly visible under normal lighting conditions.
Environmental Specifications: The operating temperature range is from -25°C to +55°C, with a storage temperature range of -40°C to +70°C. Humidity resistance is 35% to 85% relative humidity (non-condensing). The vibration resistance is 10-55Hz with 1.5mm amplitude. The housing provides an IP67 protection rating, making it dust-tight and protected against water immersion up to 1 meter for 30 minutes.
Physical Characteristics: The compact unit measures 18mm in width, 40mm in height, and 54.5mm in depth. The weight is approximately 80g. The housing is constructed of zinc die-cast with PBT resin components for durability and environmental resistance. The sensing head features a stainless steel tip for protection against mechanical damage.
Functional Features: The Auto Sensitivity Setting function automatically calculates optimal detection thresholds. The unit offers multiple operating modes including standard mode and timer mode (ON-delay, OFF-delay, one-shot). The built-in timer function provides adjustable timing from 0.1ms to 10s. The sensor includes teach input functionality for remote operation and setting.
Compatibility: The FS-N41C is compatible with KEYENCE's range of standard fiber units and accessories. The integrated design eliminates the need for separate amplifier units, simplifying system configuration and reducing installation space requirements.
Installation: The sensor can be mounted using two M3 mounting screws with a recommended torque of 0.5N·m. Wiring connections are made through a removable 4-pin connector for easy installation and maintenance. The unit includes mounting brackets for flexible installation options.
Disclaimer: This information is provided for reference purposes only. For complete and definitive specifications, including detailed installation requirements and safety guidelines, always consult the official KEYENCE FS-N41C product documentation and technical manual. Proper installation and configuration by qualified personnel are essential for ensuring optimal performance and safety compliance.
Our Services:
1.All our products are new and orginal, and of good quality2.Our prices are very competitive.3.We have a large quantity in stock, so we could help the customers to get the components which are dificult to get.4.All inquiries will be valued and will reply in 24.
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FS-N41C KEYENCE Main Unit (M8 Connector Type) Images
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