{"product_id":"fs-n41n-keyence-fs-n40-fiber-optic-sensor-amplifier","title":"FS-N41N Keyence FS-N40 Fiber Optic Sensor Amplifier","description":"\u003ch2\u003e\u003cstrong\u003eFS-N41N Keyence FS-N40 Digital Fiber Optic Sensor Amplifier (NPN, OLED)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Keyence; Model: \u003cstrong\u003eFS-N41N\u003c\/strong\u003e; Series: FS-N40\u003c\/li\u003e\n\u003cli\u003eOutput type: NPN open-collector, 30 V max, 100 mA max per output\u003c\/li\u003e\n\u003cli\u003eResponse time options: 23 µs (S-HSPD) up to 64 ms (TERA)\u003c\/li\u003e\n\u003cli\u003eLight source: red four-element LED at 660 nm wavelength\u003c\/li\u003e\n\u003cli\u003eSupply voltage: 10 to 30 VDC with 10% ripple P-P or less\u003c\/li\u003e\n\u003cli\u003ePower consumption: 870 mW or less (34 mA at 24 V)\u003c\/li\u003e\n\u003cli\u003eECO modes reduce draw to 800 mW (ECO ON) and 710 mW (ECO FULL)\u003c\/li\u003e\n\u003cli\u003eControl outputs: 1; external inputs: none on this main unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance and Environmental Tolerance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003eFS-N41N\u003c\/strong\u003e delivers eight selectable response speeds for flexible timing control.\u003c\/li\u003e\n\u003cli\u003eFast 23 µs mode suits high-speed registration and small-part detection.\u003c\/li\u003e\n\u003cli\u003eSlow 64 ms mode stabilizes readings on fluctuating or low-contrast targets.\u003c\/li\u003e\n\u003cli\u003eOperating temperature range spans -20 to +55 °C without freezing.\u003c\/li\u003e\n\u003cli\u003eThe amplifier derates its thermal limits as you add expansion units.\u003c\/li\u003e\n\u003cli\u003eOpen-collector output keeps residual voltage low at 1.4 V at 10 mA.\u003c\/li\u003e\n\u003cli\u003eResidual voltage reaches 2 V across the 10–100 mA load range.\u003c\/li\u003e\n\u003cli\u003eStable LED emission supports repeatable detection and resists ambient light interference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eExpansion and Installation Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConnect up to 16 expansion units for a total of 17 amplifiers.\u003c\/li\u003e\n\u003cli\u003eA dual-output model counts as two units within this expansion limit.\u003c\/li\u003e\n\u003cli\u003eMount the cable-type main unit on a DIN rail or bracket near the sensing point.\u003c\/li\u003e\n\u003cli\u003eWire the 10–30 VDC supply with Class 2 or LPS protection.\u003c\/li\u003e\n\u003cli\u003eKeep supply ripple below 10% P-P to protect measurement stability.\u003c\/li\u003e\n\u003cli\u003eRoute output cabling away from high-current lines to limit electrical noise.\u003c\/li\u003e\n\u003cli\u003eSet response mode through the OLED interface before production starts.\u003c\/li\u003e\n\u003cli\u003eVerify output timing against your controller input specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Keyence \u003cstrong\u003eFS-N41N\u003c\/strong\u003e main amplifier unit\u003c\/li\u003e\n\u003cli\u003e1 × Instruction manual\u003c\/li\u003e\n\u003cli\u003e1 × Mounting bracket and hardware set\u003c\/li\u003e\n\u003cli\u003eProtective packaging for safe transport\u003c\/li\u003e\n\u003cli\u003eShipping via FedEx, UPS, or DHL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the difference between the FS-N41N and expansion units?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003eFS-N41N\u003c\/strong\u003e is a main unit with one NPN output and an OLED display. Expansion units add channels but lack the main display.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How many amplifiers can I connect in one system?\u003c\/strong\u003e\u003cbr\u003eA: You can link up to 16 expansion units, giving 17 amplifiers total. A dual-output unit counts as two.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Which response time should I choose?\u003c\/strong\u003e\u003cbr\u003eA: Use 23 µs for high-speed detection and 64 ms for stable readings on difficult targets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What supply voltage does this sensor need?\u003c\/strong\u003e\u003cbr\u003eA: It runs on 10 to 30 VDC with ripple at 10% P-P or less, using a Class 2 or LPS source.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does the FS-N41N include external inputs?\u003c\/strong\u003e\u003cbr\u003eA: No, this main unit has no external input. It provides one NPN control output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the operating temperature range?\u003c\/strong\u003e\u003cbr\u003eA: The sensor works from -20 to +55 °C without freezing, with derating as you add units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is stock available and how fast do you ship?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we hold new original stock and ship within 5 days via DHL, FedEx, or UPS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is your return policy?\u003c\/strong\u003e\u003cbr\u003eA: We accept returns within 30 days of delivery.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keyence","offers":[{"title":"Default Title","offer_id":48956418687137,"sku":"FS-N41N","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/FS-N41N.jpg?v=1794368550","url":"https:\/\/www.autonexcontrol.com\/products\/fs-n41n-keyence-fs-n40-fiber-optic-sensor-amplifier","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}