{"product_id":"allen-bradley-1756-l73xt-8mb-extreme-temperature-controller","title":"Allen-Bradley 1756-L73XT 8MB Extreme Temperature Controller","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-L73XT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebelongs to the \"Extreme Environment\" (XT) lineage of the ControlLogix platform. This high-capacity processor delivers 8 MB of user memory and manages up to 128,000 I\/O points, making it a powerhouse for large-scale industrial applications. Engineered specifically for resilience, the XT series bypasses the limitations of standard hardware, allowing for seamless automation in locations subject to severe temperature fluctuations and corrosive atmospheres.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eCondition Statement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWe supply this 1756-L73XT in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New, original factory condition\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto guarantee the integrity of its specialized conformal coating and hardware components.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1756-L73XT utilizes advanced energy storage and high-speed processing to maintain control integrity under extreme conditions.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Detail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUser Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 MB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eI\/O Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.98 MB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e–25°C to +70°C (–13°F to +158°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum I\/O\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128,000 Digital \/ 4,000 Analog\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNonvolatile Storage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 GB SD Card (Ships with 1784-SD1)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnergy Storage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-ESMCAP (Capacitor-based, no battery required)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSB 2.0 (Programming and Diagnostics)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Draw\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e800 mA @ 5.1V DC; 5 mA @ 1.2V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8.5 BTU\/hr\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30V Continuous\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe 1756-L73XT resolves critical engineering hurdles in high-stakes B2B environments:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtended Thermal Envelope:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTraditional controllers fail outside the 0°C to 60°C range. The 1756-L73XT operates reliably from -25°C to +70°C, eliminating the need for expensive cabinet heaters or air conditioning units in remote field installations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBattery-Free Data Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe pre-installed 1756-ESMCAP energy storage module uses capacitor technology to write memory to the onboard SD card during power loss. This removes the maintenance burden and environmental hazards associated with lithium batteries.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Data Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith 8 MB of memory, this controller handles complex motion control, heavy batch processing, and extensive diagnostics without compromising scan times or performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMission-Critical Redundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1756-L73XT supports full controller redundancy. In the event of a primary CPU failure, a secondary XT controller assumes command instantly, preventing costly downtime in oil, gas, and chemical processing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install the 1756-L73XT in a standard 1756 chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, it is compatible with standard 1756-A4, A7, A10, A13, and A17 chassis. However, to achieve the full \"XT\" environmental rating for the entire system, you must use XT-rated chassis and power supplies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1756-L73XT replace the standard 1756-L73?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFunctionally, it is identical to the standard 1756-L73. However, it features upgraded internal components and conformal coating for extreme environments. You can use it as a superior-grade replacement for a 1756-L73 in any application.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the USB port on the front panel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe USB 2.0 port provides a high-speed connection for local programming, firmware updates, and online monitoring. It is designed for temporary configuration and is not intended for permanent networked communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the controller handle program backup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module ships with a 1 GB SD card (1784-SD1). The energy storage module (ESM) ensures that even during a sudden power loss, the CPU has enough energy to flash the current program and tag data to the SD card for nonvolatile storage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43374566506586,"sku":"1756-L73XT","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/213_22d0035c-c495-4524-92d6-8fbc6a0d2182.jpg?v=1778749189","url":"https:\/\/www.spareoil.com\/products\/allen-bradley-1756-l73xt-8mb-extreme-temperature-controller","provider":"SpareOil Automation","version":"1.0","type":"link"}