{"product_id":"1756-l71-allen-bradley-controllogix-5570-programmable-automation-controller","title":"1756-L71 | Allen-Bradley | ControlLogix 5570 Programmable Automation Controller","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-L71\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-performance central processing unit within the ControlLogix 5570 family. This controller manages complex automation tasks, including high-speed discrete I\/O, advanced process control, and multi-axis integrated motion. It features 2 MB of user memory and ships with 1 GB of non-volatile storage to protect critical application data. We supply this unit in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econdition, providing the high-speed execution and expanded I\/O capacity required for modern smart manufacturing and heavy industrial applications.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\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\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley (Rockwell Automation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel \/ Part Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-L71\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\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\u003e2 MB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNon-Volatile Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 GB (Secure Digital Card included)\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\u003eMaximum Digital I\/O\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128,000 Nodes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Analog I\/O\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4,000 Nodes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTasks \/ Programs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32 Tasks \/ 100 Programs per Task\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBuilt-in Communication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 USB Port (Programming\/Maintenance)\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\u003ePower Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5 Watts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIntegrated Motion\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFull support (EtherNet\/IP, SERCOS, Analog)\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-L71 overcomes the limitations of legacy PLCs by providing a multi-disciplinary control engine designed for high-availability environments:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Logic Execution:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 5570 series architecture significantly reduces scan times compared to previous generations. This enables the controller to manage up to 32 simultaneous tasks, ensuring high-priority event triggers receive immediate processing in high-speed packaging or assembly lines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFull Redundancy Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module supports bumpless redundancy. When paired with a 1756-RM2 redundancy module, the 1756-L71 ensures continuous process operation. If the primary controller fails, the secondary unit assumes control instantaneously without interrupting field I\/O or motion trajectories.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExpanded Integrated Motion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis processor manages complex motion profiles across EtherNet\/IP, SERCOS, or analog interfaces. It synchronizes encoders, LDT inputs, and SSI inputs directly, removing the need for separate motion controllers and simplifying the software architecture in Studio 5000.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Data Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe included 1 GB non-volatile memory card stores the project permanently. This prevents data loss during extended power outages and allows for rapid \"no-laptop\" replacement in the field by simply transferring the SD card to a new module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Thermal Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDrawing only 800 mA at 5.1V, the 1756-L71 produces minimal heat (8.5 BTU per hour). This low thermal footprint allows for high-density chassis configurations without exceeding cabinet temperature limits or requiring external cooling fans.\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\u003eDoes the 1756-L71 require a battery for memory backup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 1756-L71 utilizes an energy storage module (ESM) to provide power during shutdown, which allows the controller to write the user program to the non-volatile SD card. This eliminates the maintenance requirements and environmental concerns associated with lithium batteries.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I ensure the \"Brand New\" condition of the unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe guarantee every 1756-L71 arrives in its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoriginal Allen-Bradley factory box with intact security seals\u003c\/strong\u003e. Every processor carries a unique UPC (612598876013) and serial number, ensuring the hardware has zero prior runtime or firmware tampering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhich communication networks can the 1756-L71 manage?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile it features a built-in USB port for local diagnostics, you expand its connectivity via chassis-based adapters. The L71 supports all major industrial protocols, including EtherNet\/IP, ControlNet, DeviceNet, Data Highway Plus (DH+), and Remote I\/O.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 1756-L71 and the L72 or L73?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe primary difference lies in the user memory capacity. The 1756-L71 provides 2 MB of user memory, which suits medium-scale applications. For larger projects requiring more extensive tag databases or code, you may consider the L72 (4 MB) or L73 (8 MB).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53199143665848,"sku":"1756-L71","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1756-L71.jpg?v=1774947372","url":"https:\/\/www.globalpetroparts.com\/products\/1756-l71-allen-bradley-controllogix-5570-programmable-automation-controller","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}