{"product_id":"e3z-lt81-omron-e3z-series-photoelectric-sensor","title":"E3Z-LT81 Omron E3Z Series Photoelectric Sensor","description":"\u003cp\u003eConfigured for long-range optical beam break detection in automated material handling systems, the \u003cstrong\u003eOmron E3Z-LT81\u003c\/strong\u003e (\u003cstrong\u003eE3Z-L\u003c\/strong\u003e Photoelectric Sensor) provides direct physical\/electrical execution. This through-beam assembly utilizes a focused laser diode emitter and matching receiver element to evaluate optical path continuity across distances reaching 60 m.\u003c\/p\u003e\n\u003ch3\u003eModel Designation \u0026amp; Nomenclature Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eE3Z\u003c\/strong\u003e: Identifies the compact photoelectric sensor product platform from Omron.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL\u003c\/strong\u003e: Designates laser diode emitter technology providing narrow beam spot profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT\u003c\/strong\u003e: Indicates through-beam sensing methodology requiring separate emitter and receiver units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8\u003c\/strong\u003e: Specifies PNP open collector output switching architecture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\u003c\/strong\u003e: Represents pre-wired cable connection configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOperational Parameters \u0026amp; Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eE3Z-LT81\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOmron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.12 kg (Approx. 120 g per pair with cable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e31 mm x 10.8 mm x 31 mm (Pkg Box per unit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to 55 deg C (Storage: -25 to 70 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eCurrent consumption: 35 mA max. (Emitter 15 mA, Receiver 20 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Voltage\u003c\/td\u003e\n\u003ctd\u003e12 to 24 VDC +\/-10%, ripple (p-p): 10% max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensing Method\u003c\/td\u003e\n\u003ctd\u003eThrough-beam (Emitter + Receiver pair)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensing Distance\u003c\/td\u003e\n\u003ctd\u003e60 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpot Diameter\u003c\/td\u003e\n\u003ctd\u003e5-mm dia. at 3 m (reference value)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Source Wavelength\u003c\/td\u003e\n\u003ctd\u003eRed LD (655 nm), JIS Class 1, IEC Class 1, FDA Class 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Output\u003c\/td\u003e\n\u003ctd\u003ePNP open collector, 26.4 VDC max., load current 100 mA max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFieldbus Controller Integration \u0026amp; Response Synchronization\u003c\/h3\u003e\n\u003cp\u003eThe E3Z-LT81 interfaces directly with discrete I\/O modules on Profinet and EtherNet\/IP deterministic networks through PNP open collector switching outputs. High switching responsiveness ensures rapid signal transition feeds into local controller input cards, preventing signal dropouts during high-density I\/O density scaling and maintaining precise execution within synchronized control loops.\u003c\/p\u003e\n\u003ch3\u003eSupply Package Manifest\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Omron E3Z-LT81 Emitter Unit\u003c\/li\u003e\n\u003cli\u003e1 x Omron E3Z-LT81 Receiver Unit\u003c\/li\u003e\n\u003cli\u003e2 x Standard Mounting Brackets with Hardware\u003c\/li\u003e\n\u003cli\u003e1 x Instruction Manual Set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Mounting \u0026amp; Optical Alignment Instructions\u003c\/h3\u003e\n\u003ch4\u003eOptical Axis Alignment\u003c\/h4\u003e\n\u003cp\u003ePosition the emitter and receiver directly opposing each other within the maximum 60 m sensing span. Fine-tune the horizontal and vertical inclination until the receiver optical indicator confirms stable laser beam reception.\u003c\/p\u003e\n\u003ch4\u003eCable Termination Protocols\u003c\/h4\u003e\n\u003cp\u003eConnect the pre-wired leads to a regulated 12 to 24 VDC power source. Ensure control output leads are properly landed to PNP-compatible PLC input terminals, maintaining tight strain relief around cable entry points.\u003c\/p\u003e\n\u003ch4\u003eAmbient Light and Enclosure Protection\u003c\/h4\u003e\n\u003cp\u003eMount sensing heads away from direct high-intensity ambient light reflection sources. Verify that all bracket mounting hardware is torqued securely to prevent axial misalignment caused by mechanical vibration.\u003c\/p\u003e\n\u003ch3\u003eTechnical Support FAQs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat light source technology is incorporated inside the E3Z-LT81 emitter?\u003c\/p\u003e\n\u003cp\u003eThe emitter utilizes a 655 nm red laser diode (Class 1 JIS\/IEC, Class 2 FDA) generating a 5-mm spot diameter at 3 m.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the maximum rated sensing distance between emitter and receiver?\u003c\/p\u003e\n\u003cp\u003eThe through-beam sensing configuration maintains an effective operational sensing distance up to 60 m.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat control output switching logic does this sensor model feature?\u003c\/p\u003e\n\u003cp\u003eThe E3Z-LT81 features a PNP open collector control output supporting a maximum load current of 100 mA at 26.4 VDC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the total current consumption for the complete sensing pair?\u003c\/p\u003e\n\u003cp\u003eTotal current draw is 35 mA maximum, with the emitter consuming 15 mA and the receiver consuming 20 mA.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat supply voltage range is required for standard operational stability?\u003c\/p\u003e\n\u003cp\u003eThe hardware operates within a 12 to 24 VDC voltage window with permissible peak-to-peak voltage ripple up to 10%.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the sensor handle interface switching on fast automation lines?\u003c\/p\u003e\n\u003cp\u003eThe PNP open collector output transitions rapidly to feed discrete signals directly into controller I\/O modules without lag.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the pre-wired connection format on this specific part number?\u003c\/p\u003e\n\u003cp\u003eThe number 1 suffix designates an integrated pre-wired multi-conductor cable assembly rather than a quick-disconnect connector.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs the laser optical beam safe for standard industrial working environments?\u003c\/p\u003e\n\u003cp\u003eYes, the light source complies with Class 1 (JIS\/IEC) and Class 2 (FDA) laser standards for standard industrial deployment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306594287789,"sku":"E3Z-LT81","price":118.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/E3Z-LT81.jpg?v=1790174304","url":"https:\/\/www.maxwellplc.com\/ru\/products\/e3z-lt81-omron-e3z-series-photoelectric-sensor","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}