{"product_id":"omron-e3z-ll81-e3z-series-photoelectric-sensor","title":"E3Z-LL81| Omron | Capteur photoélectrique","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eProviding precise distance-settable background suppression (BGS) in complex positioning setups, the \u003cstrong\u003eOmron E3Z-LL81\u003c\/strong\u003e photoelectric sensor uses a high-precision Class 1 red laser diode to achieve millimeter-level target detection. This sensor is engineered to ignore background objects beyond the set cutoff limit, delivering highly reliable object detection regardless of target color, gloss, or angle. With its ultra-concentrated \u003cstrong\u003e0.5-mm spot diameter\u003c\/strong\u003e at 300 mm, the device is ideal for electronic component verification, small parts detection, and high-speed automated packaging machinery.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass 1 Laser Diode:\u003c\/strong\u003e Safe 655 nm red laser light source requires no specialized eye shielding under standard operating conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Background Suppression (BGS):\u003c\/strong\u003e Eliminates false triggers caused by highly reflective background surfaces or changing target colors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFine-Line Spot Accuracy:\u003c\/strong\u003e Tiny 0.5-mm diameter light spot permits detection of miniature objects and precise edge positioning.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust PNP Output:\u003c\/strong\u003e Open collector control output handles loads up to 100 mA at 26.4 VDC.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial-Grade Housing:\u003c\/strong\u003e Compact design with IP67 sealing for reliable operation in wet or dusty processing environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eHigh-speed semiconductor and electronic component sorting.\u003c\/li\u003e\n  \u003cli\u003eProduct detection and positioning on automated packaging conveyors.\u003c\/li\u003e\n  \u003cli\u003ePrecise edge-guiding and register mark alignment in printing machinery.\u003c\/li\u003e\n  \u003cli\u003eSmall parts presence inspection in robotic assembly work cells.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold; color: #1a365d;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold; color: #1a365d;\"\u003eSpecification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eOmron\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eE3Z-LL81\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eSensing Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eDistance-settable (BGS Models)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eSensing Distance (White Paper)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e20 to 300 mm (100 x 100 mm target)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eSensing Distance (Black Paper)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e20 to 160 mm (100 x 100 mm target)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eSet Distance Range (White Paper)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e40 to 300 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eSet Distance Range (Black Paper)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e40 to 160 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eLight Source (Wavelength)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eRed LD (655 nm), JIS Class 1, IEC Class 1, FDA Class 2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eSpot Diameter (Reference Value)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e0.5 mm dia. at 300 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003ePower Supply Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e12 to 24 VDC +\/-10%, ripple (p-p): 10% max.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eCurrent Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e30 mA max.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eControl Output\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003ePNP open collector, 26.4 VDC max., 100 mA max. load current\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e1.00 kg (Includes protective factory packaging)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e150 x 100 x 50 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold; color: #1a365d;\"\u003eWire Color\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold; color: #1a365d;\"\u003eFunction \/ Assignment\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold; color: #742a2a;\"\u003eBrown\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003ePower Supply (+V, 12 to 24 VDC)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold; color: #2b6cb0;\"\u003eBlue\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003ePower Supply (0V \/ GND)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold; color: #2d3748;\"\u003eBlack\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eControl Output (PNP Open Collector)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold; color: #b7791f;\"\u003ePink\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eControl Input (Light-ON \/ Dark-ON Selection)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe E3Z-LL81 features a PNP open collector output. If your control system requires an NPN configuration, use the \u003cstrong\u003eE3Z-LL61\u003c\/strong\u003e alternative model. Mounting dimensions and sensing ranges are identical across both models, allowing direct physical drop-in replacements during system integration or logic retrofits.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen deploying the sensor in environments with highly reflective metal or mirrored backgrounds situated near the sensing field, reflection off the background may bypass the BGS cutoff. To counteract this optical feedback, mount the sensor at an angle of 5 to 10 degrees relative to the target surface. Avoid placing the sensor in direct sunlight or facing heavy high-frequency discharge light sources, which can disrupt the receiver circuit.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eTo configure the output mode of the sensor, use the integrated Pink control wire. Connecting the Pink wire to the Brown wire (+V) configures the sensor for Dark-ON operation, whereas connecting it to the Blue wire (0V) or leaving it open configures it for Light-ON operation. Verify current limits prior to termination to prevent over-current damage to the internal PNP transistor.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eDisconnect all power distribution sources prior to making electrical connections or mechanical adjustments. Do not look directly into the laser transmitter lens while the sensor is powered, as direct laser exposure can cause eye irritation or optical damage.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eSecurely mount the sensor using a compatible Omron L-bracket or direct machine frame mount, ensuring that the optical path to the target is clear of physical obstructions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eWire the sensor according to the electrical schematic. Ensure the Pink wire is tied to the appropriate potential (+V or 0V) to define your required operation mode (Light-ON or Dark-ON).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eApply 12 to 24 VDC power and verify that the green stability indicator remains lit under non-sensing conditions, signifying healthy signal headroom.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003ePlace the target object at the maximum desired detection distance and adjust the integrated multi-turn distance adjuster screw until the orange operation indicator illuminates.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077904851307,"sku":"E3Z-LL81","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/e3z-ll81-5v1cn4rkses.png?v=1775733731","url":"https:\/\/www.plcprotech.com\/fr\/products\/omron-e3z-ll81-e3z-series-photoelectric-sensor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}