{"product_id":"allen-bradley-1756-l71-controllogix-logix5571-processor-2-mb-user-memory","title":"Allen-Bradley 1756-L71 ControlLogix Logix5571 Processor 2 MB User Memory","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cp\u003eThe Allen-Bradley 1756-L71 is a ControlLogix Logix5571 processor module designed for medium-to-large automation systems requiring high-speed execution and extensive I\/O capacity. It features 2 MB of user memory, 0.98 MB of I\/O memory, and a built-in USB communication port for efficient programming and diagnostics.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable width=\"100%\" style=\"height: 607.407px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003ePLC Controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003e1756-L71\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003eControlLogix Controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eUser Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003e2 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eI\/O Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003e0.98 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eNon-Volatile Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003e1 GB SD card (upgradeable to 2 GB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 39.1875px;\"\u003e\u003cstrong\u003eBuilt-In Communication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 39.1875px;\"\u003eUSB 2.0 full-speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 39.1875px;\"\u003e\u003cstrong\u003eSupported Networks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 39.1875px;\"\u003eEtherNet\/IP, ControlNet, DeviceNet, DH+, Remote I\/O, SynchLink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eIntegrated Motion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003eSERCOS, LDT input, SSI input, analog encoder options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eMaximum Digital I\/O\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003e128,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eMaximum Analog I\/O\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003e4,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eNumber of Tasks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003e32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003ePrograms per Task\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 39.1875px;\"\u003e\u003cstrong\u003eCurrent Draw (1.2 VDC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 39.1875px;\"\u003e5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 39.1875px;\"\u003e\u003cstrong\u003eCurrent Draw (5.1 VDC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 39.1875px;\"\u003e800 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003e2.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003e8.5 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003e30 V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eEnclosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003eOpen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 39.1875px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 39.1875px;\"\u003e0–60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003eControlLogix chassis (1756-A4\/A7\/A10\/A13\/A17 and variants)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 27.4123%; height: 19.5938px;\"\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 72.3684%; height: 19.5938px;\"\u003eRockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About 1756-L71\u003c\/h4\u003e\n\u003cp\u003eThe 1756-L71 is part of the ControlLogix Logix557x controller family, engineered to support complex automation tasks through advanced multitasking, motion integration, and extensive communication options. It supports up to 32 tasks and 100 programs per task, enabling structured, scalable project development. The controller ships with a 1 GB SD card for nonvolatile storage and uses a capacitor-based energy storage module instead of a battery to retain volatile memory. Designed for installation in any ControlLogix chassis slot, it supports full redundancy, high-speed motion control with SERCOS and EtherNet\/IP, and a wide range of communication adapters for flexible system integration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Performance Processor: Provides 2 MB user memory and 0.98 MB I\/O memory for large control applications.\u003c\/li\u003e\n\u003cli\u003eExtensive I\/O Capacity: Supports up to 128,000 digital I\/O points and 4,000 analog I\/O points.\u003c\/li\u003e\n\u003cli\u003eIntegrated USB Port: Full-speed USB 2.0 connection for programming and diagnostics.\u003c\/li\u003e\n\u003cli\u003eAdvanced Motion Support: Compatible with SERCOS, SSI, LDT, and integrated motion over EtherNet\/IP.\u003c\/li\u003e\n\u003cli\u003eFull Redundancy Capability: Supports ControlLogix redundancy systems for high-availability applications.\u003c\/li\u003e\n\u003cli\u003eModular Communication Options: Works with EtherNet\/IP, ControlNet, DeviceNet, Remote I\/O, DH+, SynchLink, and third-party networks.\u003c\/li\u003e\n\u003cli\u003eNo Battery Required: Uses capacitor-based energy storage (1756-ESMCAP\/ESMCAPK) for RAM retention.\u003c\/li\u003e\n\u003cli\u003eRugged Industrial Design: Supports high vibration, wide temperature range, and non-condensing environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 1756-L71 delivers the reliability and precision required for large-scale industrial automation and high-performance control systems.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":47179029053738,"sku":"1756-L71","price":2065.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/1756-L71.png?v=1784564624","url":"https:\/\/iqelectro.com\/products\/allen-bradley-1756-l71-controllogix-logix5571-processor-2-mb-user-memory","provider":"IQElectro","version":"1.0","type":"link"}