{"product_id":"keyence-lv-n12n-lv-n-series-laser-sensor-amplifier","title":"Keyence LV-N12N LV-N Series Laser Sensor Amplifier","description":"\u003ch3\u003eLV-N12N Keyence LV-N series Digital Laser Sensor Amplifier LV-N12N\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB's Insight: When configuring multi-unit expansion arrays in high-speed sensing lines, verifying the DC ripple voltage prevents erratic switching thresholds. This \u003cstrong\u003eKeyence\u003c\/strong\u003e \u003cstrong\u003eLV-N12N\u003c\/strong\u003e \u003cstrong\u003eDigital Laser Sensor Amplifier\u003c\/strong\u003e delivers ultra-fast response tracking for precision automation. Belonging to the robust \u003cstrong\u003eLV-N series\u003c\/strong\u003e, this \u003cstrong\u003eExpansion unit\u003c\/strong\u003e variant supports seamless multi-amplifier clustering up to 17 total units.\u003c\/p\u003e\n\n\u003ch3\u003eEngineering Performance Parameters\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB Review: Proper matching of response time modes to target velocity prevents false edge detection in high-speed sorting applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cstrong\u003eKeyence\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Designation:\u003c\/strong\u003e \u003cstrong\u003eLV-N12N\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Series \u0026amp; Type:\u003c\/strong\u003e \u003cstrong\u003eLV-N series\u003c\/strong\u003e \/ Digital Laser Sensor Amplifier (Expansion Unit)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResponse Time Modes:\u003c\/strong\u003e 80 µs (HIGH SPEED) to 16 ms (MEGA) selectable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl Outputs:\u003c\/strong\u003e 1 NPN open collector output (30 V max, 100 mA max, residual voltage ≤ 1 V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExternal Input \u0026amp; Timing:\u003c\/strong\u003e 1 external input; selectable timer functions (OFF, OFF-delay, ON-delay, One-shot from 1 ms to 9,999 ms with ±10% max error)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply \u0026amp; Power Metrics:\u003c\/strong\u003e Nominal 24 VDC (operating 10 to 30 VDC, ripple P-P 10% max), max power consumption 830 mW, 30 mA at 24 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtection \u0026amp; Interference:\u003c\/strong\u003e Reverse polarity, over-current, and surge absorber protection circuits; cross-talk interference prevention for up to 4 units\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvironmental Limits:\u003c\/strong\u003e Operating temperature -20°C to +55°C, relative humidity 35 to 85% RH (no condensation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMechanical Resilience:\u003c\/strong\u003e Vibration resistance (10 to 55 Hz, 1.5 mm double amplitude), shock resistance (500 m\/s²)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhysical Profile:\u003c\/strong\u003e Dimensions (H×W×D) 32.6 × 9.8 × 78.7 mm, weight approx. 65 g, polycarbonate case with PVC cabling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHardware Integration \u0026amp; Expansion Guide\u003c\/h3\u003e\n\u003cp\u003eMount the \u003cstrong\u003eLV-N12N\u003c\/strong\u003e amplifier unit directly onto standard DIN rails alongside master units within the \u003cstrong\u003eLV-N series\u003c\/strong\u003e ecosystem. Slide expansion modules together securely to establish internal high-speed data buses without separate patch wiring. Connect the 24 VDC power supply to dedicated terminals, ensuring ripple voltages remain below the 10% threshold to safeguard internal timing microprocessors.\u003c\/p\u003e\n\n\u003ch3\u003eOperational Diagnostics \u0026amp; Troubleshooting\u003c\/h3\u003e\n\u003cp\u003eThe unit features digital display indicators that show real-time received light intensity versus preset threshold values. If unstable switching occurs during high-speed transit, check the response time setting and switch from standard modes to the 80 µs high-speed profile. Built-in over-current and reverse polarity protection circuits safeguard the NPN open collector output against accidental short circuits.\u003c\/p\u003e\n\n\u003ch3\u003eSystem Compatibility \u0026amp; Target Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSemiconductor Wafer Handling: Micro-position verification in cleanroom tracks\u003c\/li\u003e\n  \u003cli\u003eHigh-Speed Packaging Lines: Fast-moving blister pack and pill counting verification\u003c\/li\u003e\n  \u003cli\u003eAutomated Assembly Cells: Precise component seating and leading-edge detection\u003c\/li\u003e\n  \u003cli\u003eElectronics Manufacturing: Small-part pin inspection and PCB alignment gantries\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLogistics, Warranty \u0026amp; Fulfillment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFulfillment Speed: Express dispatch within 24 to 48 hours of order confirmation\u003c\/li\u003e\n  \u003cli\u003eGlobal Carrier Network: Secure, trackable shipping via FedEx, UPS, and DHL\u003c\/li\u003e\n  \u003cli\u003eQuality Assurance: Backed by a dependable 12-month industrial replacement warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why does the Keyence LV-N12N display an error or unstable reading when multiple expansion units are mounted side by side?\u003c\/strong\u003e\u003cbr\u003e\nA: Mounting multiple units close together can cause optical or electrical cross-talk if mutual interference prevention channels are not configured correctly in the menu parameters.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can the NPN output of this expansion unit drive a standard 24V PLC DC relay directly?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, provided the relay coil current draws less than 100 mA and an external flyback diode is installed to suppress inductive voltage spikes.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How does switching between FINE and TURBO response time modes affect detection accuracy?\u003c\/strong\u003e\u003cbr\u003e\nA: FINE mode prioritizes an ultra-fast 250 µs response for fast targets, whereas TURBO mode extends integration time to 500 µs to stabilize readings on low-reflectivity or distant targets.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is it necessary to derate the operating temperature range when grouping multiple LV-N12N units on a single DIN rail?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, thermal derating applies when tightly clustering multiple expansion units together in enclosed panels, so ensure adequate cabinet ventilation or spacing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What factors should guide my purchasing decision between a master amplifier and this LV-N12N expansion unit?\u003c\/strong\u003e\u003cbr\u003e\nA: Choose this expansion unit when you need to add synchronized detection channels to an existing master controller cluster without duplicating power and network overhead.\u003c\/p\u003e","brand":"Keyence","offers":[{"title":"Default Title","offer_id":67557234999478,"sku":"LV-N12N","price":103.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/LV-N12N-3.jpg?v=1790671190","url":"https:\/\/www.plcsparehub.com\/products\/keyence-lv-n12n-lv-n-series-laser-sensor-amplifier","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}