{"product_id":"fs-n40-keyence-fs-n40-zero-line-fiber-sensor-amplifier","title":"FS-N40 Keyence FS-N40 Zero Line Fiber Sensor Amplifier","description":"\u003ch2\u003e\u003cstrong\u003eFS-N40 Keyence FS-N40 Zero Line Digital Fiber Optic Sensor Amplifier\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Keyence\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003eFS-N40\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e FS-N40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Digital fiber optic sensor amplifier expansion unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Zero line type\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain\/expansion:\u003c\/strong\u003e Expansion unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl outputs:\u003c\/strong\u003e None, and it counts as 1 output with FS-MC8N\/P or NU series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal input:\u003c\/strong\u003e 1 channel, ON time 2 ms, OFF time 20 ms or longer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResponse time:\u003c\/strong\u003e 23 µs (S-HSPD), 50 µs (HSPD), 250 µs (FINE), 500 µs (TURBO), 1 ms (SUPER), 4 ms (ULTRA), 16 ms (MEGA), 64 ms (TERA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight source:\u003c\/strong\u003e Red four-element LED, wavelength 660 nm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply voltage:\u003c\/strong\u003e 10 to 30 VDC, ripple 10% P-P or less, Class 2 or LPS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower consumption:\u003c\/strong\u003e 870 mW or less (34 mA at 24 V; ECO ON 800 mW; ECO FULL 710 mW)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e -20 to +55 °C, no freezing, derates with expansion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit expansion:\u003c\/strong\u003e Up to 16 units, 17 total including main unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication ports:\u003c\/strong\u003e None; no built-in protocols or expansion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 23 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance and Environmental Resistance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003eFS-N40\u003c\/strong\u003e covers eight response modes from 23 µs to 64 ms for speed or stability.\u003c\/li\u003e\n\u003cli\u003eFast S-HSPD mode suits high-speed detection, while TERA mode smooths noisy signals.\u003c\/li\u003e\n\u003cli\u003eThe 660 nm red LED gives visible spot alignment and consistent sensitivity across targets.\u003c\/li\u003e\n\u003cli\u003eThis zero line unit has no outputs of its own and routes signals through the main amplifier.\u003c\/li\u003e\n\u003cli\u003eThe module counts as one output when paired with FS-MC8N\/P or NU series controllers.\u003c\/li\u003e\n\u003cli\u003eThe system runs from 10 to 30 VDC with 10% ripple tolerance for industrial supplies.\u003c\/li\u003e\n\u003cli\u003ePower draw stays under 870 mW, and ECO modes cut consumption to 800 mW or 710 mW.\u003c\/li\u003e\n\u003cli\u003eAn operating range of -20 to +55 °C supports cold storage and warm cabinets without freezing.\u003c\/li\u003e\n\u003cli\u003eExpansion derates temperature, so plan spacing when you stack many FS-N40 units.\u003c\/li\u003e\n\u003cli\u003eThe light 23 g body reduces rail load when you build wide multi-channel arrays.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the \u003cstrong\u003eFS-N40\u003c\/strong\u003e beside a main unit on a DIN rail or panel bracket.\u003c\/li\u003e\n\u003cli\u003eSlide the side connector into the main unit or the previous expansion unit until it locks.\u003c\/li\u003e\n\u003cli\u003eConnect 10 to 30 VDC through the main unit, which supplies power to the chain.\u003c\/li\u003e\n\u003cli\u003eAttach the fiber cable to the amplifier port and lock the connector until it clicks.\u003c\/li\u003e\n\u003cli\u003eConnect the external input for bank switching or timing control with 2 ms ON pulses.\u003c\/li\u003e\n\u003cli\u003eSet response mode and threshold from the main unit, since this module has no display.\u003c\/li\u003e\n\u003cli\u003eKeep the total chain at 16 units or fewer, counting each zero line unit as one.\u003c\/li\u003e\n\u003cli\u003eVerify detection with a test target, then lock the panel keys against accidental changes.\u003c\/li\u003e\n\u003cli\u003eRoute signal cables away from motor drives to reduce electrical noise pickup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePacking List\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Keyence \u003cstrong\u003eFS-N40\u003c\/strong\u003e zero line type digital fiber optic sensor amplifier expansion unit\u003c\/li\u003e\n\u003cli\u003e1 x Instruction manual\u003c\/li\u003e\n\u003cli\u003e1 x Mounting bracket and hardware set\u003c\/li\u003e\n\u003cli\u003e1 x Protective packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eShipping and Support\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWe keep this item in stock and ship within 5 days of order confirmation.\u003c\/li\u003e\n\u003cli\u003eWe use FedEx, UPS, and DHL for international delivery.\u003c\/li\u003e\n\u003cli\u003eWe accept returns within 30 days under our standard return policy.\u003c\/li\u003e\n\u003cli\u003eAll units are brand new and original from Keyence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is a zero line type expansion unit?\u003c\/strong\u003e\u003cbr\u003eA: It adds detection channels to a main amplifier and carries no control outputs of its own.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does the FS-N40 need a separate main unit?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it connects to a main unit that supplies power, display, and setup control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the fastest response time of the FS-N40?\u003c\/strong\u003e\u003cbr\u003eA: The S-HSPD mode reaches 23 µs, and TERA mode extends to 64 ms for stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How does the FS-N40 count in a controller setup?\u003c\/strong\u003e\u003cbr\u003eA: It counts as one output when connected to FS-MC8N\/P or NU series units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I expand the FS-N40 with other FS-N40 units?\u003c\/strong\u003e\u003cbr\u003eA: Yes, you can connect up to 16 units, for 17 total including the main unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What supply voltage does the FS-N40 need?\u003c\/strong\u003e\u003cbr\u003eA: It runs on 10 to 30 VDC with 10% ripple or less, Class 2 or LPS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the operating temperature range?\u003c\/strong\u003e\u003cbr\u003eA: The range is -20 to +55 °C with no freezing, and it derates with expansion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does the FS-N40 include communication ports?\u003c\/strong\u003e\u003cbr\u003eA: No, it has no built-in ports or protocols, which keeps wiring simple.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is the FS-N40 in stock and how fast do you ship?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we have stock and ship within 5 days via FedEx, UPS, or DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I return the FS-N40 if it does not fit my line?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we support returns within 30 days under our standard policy.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keyence","offers":[{"title":"Default Title","offer_id":48960061997217,"sku":"FS-N40","price":218.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/FS-N40-1.jpg?v=1794381033","url":"https:\/\/www.autonexcontrol.com\/products\/fs-n40-keyence-fs-n40-zero-line-fiber-sensor-amplifier","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}