Keyence FS-N41N Digital Fiber Optic Sensor Amplifier
Manufacturer :KEYENCE
Product No. : FS-N41N
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Description:
The Keyence FS-N41N is a cable-type main unit fiber amplifier belonging to the FS-N40 fiber sensor family. It works cooperatively with various Keyence fiber heads to realize non-contact object detection.
Equipped with multi-grade adjustable response speed ranging from ultra-fast 23 µs to slow 64 ms, it satisfies high-speed conveying detection and stable low-noise measurement scenarios. This unit adopts single NPN open-collector switching output without external input channel. Dual-color digital display and intuitive operation buttons support one-touch automatic calibration.
Multiple anti-mutual interference modes allow dense side-by-side installation of multiple amplifiers. Built-in complete protection circuits improve reliability in complex factory environments. Standard DIN rail mounting structure supports compact arrangement inside control cabinets.
Detail:
| Parameter | Specification |
| Model Number | FS-N41N |
| Brand | Keyence |
| Series | FS-N40 Digital Fiber Optic Amplifier |
| Unit Type | Cable Type, Main Unit |
| Control Output | 1-channel NPN open collector |
| Max Output Load | ≤ 100 mA (standalone) |
| Residual Output Voltage | ≤ 1.4 V (@ ≤10 mA); ≤ 2.0 V (10~100 mA) |
| Light Source | Red four-element LED, 660 nm |
| Response Time Options | 23 µs / 50 µs / 250 µs / 500 µs / 1 ms / 4 ms / 16 ms / 64 ms |
| Supply Voltage | 10 ~ 30 VDC (ripple ≤ ±10% P-P) |
| Power Consumption | ≤ 910 mW (Normal) / ≤ 840 mW (ECO ON) / ≤750 mW (ECO FULL) |
| External Input Channel | None |
| Mutual Interference Suppression | Adjustable according to response speed setting |
| Protection Circuits | Reverse power, output overcurrent, surge protection |
| Parameter | Specification |
| Housing Material | Polycarbonate |
| Mounting Method | 35 mm DIN rail mounting |
| Ambient Operating Temperature | -20 °C ~ +55 °C (non-freezing) |
| Storage Temperature | -25 °C ~ +65 °C |
| Allowable Ambient Light | Incandescent lamp ≤20,000 lx; Sunlight ≤30,000 lx |
| Vibration Resistance | 10–55 Hz, 1.5 mm double amplitude, 2 hours per X/Y/Z axis |
| Shock Resistance | 500 m/s², 3 shocks per X/Y/Z axis |
| Protection Class | IP40 (body, indoor cabinet installation) |
| Cable Type | Integrated outgoing cable |
| Certifications | CE, UL, CSA |
| Compliance | RoHS |
Brand
With the rapid development of industrial automation, KEYENCE, as a leading supplier of sensors and measuring instruments, is constantly developing and manufacturing newer and more reliable products to meet the demands of various manufacturing industries. In addition to high-quality products, the well-trained KEYENCE sales team also offers excellent services, ranging from solving application problems, providing technical sales support to responding quickly to users' requests. KEYENCE has always been committed to supporting a wide range of users and helping them become leaders in their industries. Company Information n nCompany Name: KEYENCE n nDate of Establishment: May 27, 1974 n nRegistered Capital: 2,451 million RMB (30,638 million Japanese yen) n nHead Office and Research Center: 1-3-14, Nakajima, Higashiyodo, Osaka n nNumber of Employees: 3,150 (March 2011) n nBusiness Content: Sensors, Measuring instruments, Image Systems, Control? Research on measuring instruments? Analytical instruments for development
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