{"product_id":"allen-bradley-1756-l81esxt-cpu-module","title":"Allen-Bradley 1756-L81ESXT CPU Module","description":"\u003cdiv style=\"max-width:100%;margin:0 auto;font-family:Arial,Helvetica,sans-serif;color:#1a1a1a;font-size:15px;line-height:1.6;overflow-wrap:anywhere;\"\u003e\n\u003ch2 style=\"font-size:22px;line-height:1.3;margin:0 0 12px;color:#1a1a1a;\" class=\"desc-model-title\"\u003eAllen-Bradley 1756-L81ESXT GuardLogix 5580 XT Extreme Environment Safety Controller, 3MB Standard \/1.5MB Safety Memory\u003c\/h2\u003e\n\u003cp style=\"margin:0 0 12px;line-height:1.6;\"\u003eThe \u003cstrong\u003eAllen-Bradley 1756-L81ESXT\u003c\/strong\u003e is GuardLogix 5580 XT extreme environment safety controller under Rockwell Logix5000 platform. It features conformal coating, extended wide operating temperature range (-25°C ~ +70°C), 3 MB standard user memory plus dedicated 1.5 MB safety memory, integrated 1Gigabit EtherNet\/IP port, local USB programming port, 4-character alpha\/numeric front LED display. It executes both standard machine control and SIL 3 safety logic on single controller, supporting up to 100 EtherNet\/IP devices and total 128,000 I\/O points for harsh industrial environments with wide temperature, moisture or airborne contaminants. Technical data sourced from official Rockwell Automation GuardLogix 5580 XT datasheet. Supplied by SHLY-PLC, an independent industrial automation distributor; each unit undergoes visual inspection and functional testing before shipment. Contact our team for compatibility verification.\u003c\/p\u003e\n\u003ch2 style=\"font-size:18px;line-height:1.3;margin:22px 0 10px;padding:0 0 6px;border-bottom:2px solid #cc0000;color:#1a1a1a;\"\u003eFeatures\u003c\/h2\u003e\n\u003cul style=\"margin:6px 0 14px 20px;padding:0;\"\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e 1756-L81ESXT\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eProduct Family:\u003c\/strong\u003e GuardLogix 5580 XT Extreme Environment Safety Controller, Logix5000 Platform\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eStandard Memory:\u003c\/strong\u003e 3 MB\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eSafety Dedicated Memory:\u003c\/strong\u003e 1.5 MB\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eConformal Coating:\u003c\/strong\u003e Yes, protected against dust, humidity \u0026amp; corrosive gas (ISA 71.04 G3 severity)\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eExtended Operating Temperature:\u003c\/strong\u003e -25°C to +70°C (-13°F ~ +158°F)\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eEmbedded Communication:\u003c\/strong\u003e 1 x Gigabit EtherNet\/IP port\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eLocal Port:\u003c\/strong\u003e USB 2.0 full-speed programming port\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eFront Display:\u003c\/strong\u003e 4-character alpha\/numeric LED display\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eMax EtherNet\/IP Devices:\u003c\/strong\u003e 100\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eMaximum Total I\/O Points:\u003c\/strong\u003e 128,000\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eSafety Rating:\u003c\/strong\u003e SIL 3, PL e, Cat.4\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eTasks Support:\u003c\/strong\u003e 31 standard tasks + 1 dedicated safety task\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eNon-Volatile Storage:\u003c\/strong\u003e Compatible with SD card (1784-SD1 \/ 1784-SD2)\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 6.2 W\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eLifecycle:\u003c\/strong\u003e Active production\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eTypical Use:\u003c\/strong\u003e Safety automation for harsh, wide-temperature industrial sites\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:18px;line-height:1.3;margin:22px 0 10px;padding:0 0 6px;border-bottom:2px solid #cc0000;color:#1a1a1a;\"\u003eSpecifications\u003c\/h2\u003e\n\u003cp style=\"font-size:13px;color:#666666;margin:0 0 4px;\"\u003eOfficial Rockwell Automation GuardLogix 5580 XT Data\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;table-layout:fixed;margin:6px 0 18px;font-size:14px;\"\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#cc0000;color:#ffffff;padding:7px 11px;text-align:left;vertical-align:top;word-break:break-word;font-weight:700;\"\u003eTechnical Specifications\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:42%;padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003eCatalog Number\u003c\/td\u003e\n\u003ctd style=\"padding:7px 11px;border-bottom:1px solid #e6e8eb;vertical-align:top;word-break:break-word;\"\u003e1756-L81ESXT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:42%;padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"padding:7px 11px;border-bottom:1px solid #e6e8eb;vertical-align:top;word-break:break-word;\"\u003eGuardLogix 5580 XT Extreme Environment Safety Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:42%;padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003eStandard User Memory\u003c\/td\u003e\n\u003ctd style=\"padding:7px 11px;border-bottom:1px solid #e6e8eb;vertical-align:top;word-break:break-word;\"\u003e3 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:42%;padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003eSafety Memory\u003c\/td\u003e\n\u003ctd style=\"padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003e1.5 MB dedicated safety memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:42%;padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003e-25°C ~ +70°C (-13°F ~ +158°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:42%;padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003eIntegrated Network\u003c\/td\u003e\n\u003ctd style=\"padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003e1 x Gigabit EtherNet\/IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:42%;padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003eLocal Programming Port\u003c\/td\u003e\n\u003ctd style=\"padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003eUSB 2.0 Type B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:42%;padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003eMax Total I\/O\u003c\/td\u003e\n\u003ctd style=\"padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003e128,000 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:42%;padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003eSafety Performance Level\u003c\/td\u003e\n\u003ctd style=\"padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003eSIL 3 \/ PL e \/ Category 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:42%;padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd style=\"padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003e6.2 W (21.2 BTU\/h)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:42%;padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003eFront Display\u003c\/td\u003e\n\u003ctd style=\"padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003e4-character alpha\/numeric LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:42%;padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003eCompatible SD Card\u003c\/td\u003e\n\u003ctd style=\"padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003e1784-SD1, 1784-SD2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#eef1f4;color:#1a1a1a;padding:6px 11px;font-weight:700;text-align:left;vertical-align:top;word-break:break-word;border-bottom:1px solid #e6e8eb;\"\u003eAgency Certifications\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width:42%;padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"padding:7px 11px;border-bottom:1px solid #e6e8eb;background:#fafbfc;color:#333333;font-weight:600;text-align:left;vertical-align:top;word-break:break-word;\"\u003ecULus, CE, C-Tick, SIL3 certified, ISA 71.04 G3 coating rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"font-size:13px;line-height:1.5;color:#990000;background:#fef0f0;border-left:3px solid #cc0000;padding:9px 12px;margin:12px 0;\"\u003e\n\u003cstrong\u003eModel note:\u003c\/strong\u003e 1756-L81ESXT is the XT extreme environment variant of 1756-L81ES GuardLogix safety controller, with conformal coating and extended wide temperature range (-25~70°C). Compare: standard L81ES is 0~60°C operating range without XT harsh-environment coating. Programming software: Studio5000 Logix Designer with safety profiles.\u003c\/div\u003e\n\u003ch3 style=\"font-size:15px;line-height:1.4;margin:14px 0 3px;color:#1a1a1a;\"\u003eCompatibility \u0026amp; Cross-References\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;line-height:1.6;\"\u003e1756-L81ESXT works with ControlLogix 1756 XT rated chassis, 1756 power supplies, 1756 standard \u0026amp; safety I\/O modules. It runs standard control and SIL3 safety logic in one processor, communicating over EtherNet\/IP safety connections. This listing is provided by an independent industrial automation distributor; brand names and part numbers are used for product identification only.\u003c\/p\u003e\n\u003ch2 style=\"font-size:18px;line-height:1.3;margin:22px 0 10px;padding:0 0 6px;border-bottom:2px solid #cc0000;color:#1a1a1a;\"\u003eApplications\u003c\/h2\u003e\n\u003cul style=\"margin:6px 0 14px 20px;padding:0;\"\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003eSafety automation in cold storage, outdoor, unconditioned factory environments\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003eWide-temperature multi-axis safety motion control\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003eMining, oil \u0026amp; gas, heavy machinery SIL3 safety control\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003ePlant safety systems exposed to dust, condensation and corrosive airborne contaminants\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003eSpare replacement for existing GuardLogix 5580 XT safety systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size:18px;line-height:1.3;margin:22px 0 10px;padding:0 0 6px;border-bottom:2px solid #cc0000;color:#1a1a1a;\"\u003eWarranty\u003c\/h2\u003e\n\u003cul style=\"margin:6px 0 14px 20px;padding:0;\"\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Active production, new \u0026amp; surplus stock available; contact us for real-time stock status.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eInspection \u0026amp; testing:\u003c\/strong\u003e each unit is visually inspected and functionally checked before packing.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 6px;line-height:1.55;\"\u003e\n\u003cstrong\u003eDelivery:\u003c\/strong\u003e orders are processed within 2-4 business days after payment confirmation; standard worldwide delivery is about 5-8 business days, express shipping available, orders over $500 ship free.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12-month seller warranty provided by SHLY-PLC. See our \u003ca href=\"\/pages\/return-policy\"\u003eReturn Policy\u003c\/a\u003e for coverage and claims.\u003c\/p\u003e\n\u003cdiv style=\"font-size:13px;line-height:1.5;color:#555555;background:#f7f7f8;border-left:3px solid #cc0000;padding:9px 12px 0 12px;margin:12px 0;\"\u003eIndependent supplier: Allen-Bradley part 1756-L81ESXT is supplied by SHLY-PLC, an independent industrial automation distributor. Brand names and part numbers are used for product identification and remain the property of their respective owners; this listing is not affiliated with, sponsored or endorsed by the manufacturer.\u003c\/div\u003e\n\u003ch2 style=\"font-size:18px;line-height:1.3;margin:22px 0 10px;padding:0 0 6px;border-bottom:2px solid #cc0000;color:#1a1a1a;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3 style=\"font-size:15px;line-height:1.4;margin:14px 0 3px;color:#1a1a1a;\"\u003eQ: What is Allen-Bradley 1756-L81ESXT?\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;line-height:1.6;\"\u003eA: GuardLogix 5580 XT extreme environment SIL3 safety controller with conformal coating, -25~70°C wide temp range,3MB standard +1.5MB dedicated safety memory.\u003c\/p\u003e\n\u003ch3 style=\"font-size:15px;line-height:1.4;margin:14px 0 3px;color:#1a1a1a;\"\u003eQ: What is the difference between L81ES and L81ESXT?\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;line-height:1.6;\"\u003eA: 1756-L81ES: standard 0~60°C operating range. 1756-L81ESXT: XT harsh environment version with conformal coating and extended temperature -25~70°C.\u003c\/p\u003e\n\u003ch3 style=\"font-size:15px;line-height:1.4;margin:14px 0 3px;color:#1a1a1a;\"\u003eQ: What safety certification does 1756-L81ESXT hold?\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;line-height:1.6;\"\u003eA: SIL 3, PL e, Category 4 safety certification.\u003c\/p\u003e\n\u003ch3 style=\"font-size:15px;line-height:1.4;margin:14px 0 3px;color:#1a1a1a;\"\u003eQ: What software programs this controller?\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 12px;line-height:1.6;\"\u003eA: Studio5000 Logix Designer with GuardLogix safety add-on profiles.\u003c\/p\u003e\n\n\u003cp style=\"font-size:12px;color:#888888;text-align:center;margin:18px 0 4px;\"\u003e1756-L81ESXT · Technical reference data · Independently supplied by SHLY-PLC\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46350320926973,"sku":"1756-L81ESXT","price":3477.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5665\/3309\/files\/1756-L81ESXT.jpg?v=1792121548","url":"https:\/\/shly-plc.com\/products\/allen-bradley-1756-l81esxt-cpu-module","provider":"SHLY-PLC","version":"1.0","type":"link"}