{"product_id":"allen-bradley-1756-l81ek-controllogix-5580-processor-3mb-memory","title":"Allen-Bradley 1756-L81EK ControlLogix 5580 Processor 3MB Memory","description":"\u003ch2\u003e\u003cstrong\u003eAllen-Bradley 1756-L81EK ControlLogix 5580 Controller\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eExperience superior industrial control with the \u003cstrong\u003e1756-L81EK\u003c\/strong\u003e processor from \u003cstrong\u003eAllen-Bradley's\u003c\/strong\u003e advanced ControlLogix 5580 series. This high-performance controller delivers robust processing power with \u003cstrong style=\"color: #2e86ab;\"\u003e3 MB user memory\u003c\/strong\u003e and extensive communication capabilities for modern automation systems.\u003c\/p\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Allen-Bradley \/ Rockwell Automation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e ControlLogix 5580\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e1756-L81EK\u003c\/strong\u003e Controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eController Type:\u003c\/strong\u003e Standard industrial controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e Open-style design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e Conformally coated for protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUser Memory:\u003c\/strong\u003e 3 MB capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum I\/O Points:\u003c\/strong\u003e \u003cstrong style=\"color: #a23b72;\"\u003e128,000 total\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital I\/O:\u003c\/strong\u003e 128,000 points maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog I\/O:\u003c\/strong\u003e 4,000 points maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Draw:\u003c\/strong\u003e 5.0mA @ 1.2V DC, 1.20A @ 5.1V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 6.2 Watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Dissipation:\u003c\/strong\u003e 21.2 BTU\/hour\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Voltage:\u003c\/strong\u003e 50V continuous rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Ports:\u003c\/strong\u003e USB 2.0 (12 Mbps) + 1GB Ethernet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEtherNet\/IP Devices:\u003c\/strong\u003e Supports 60 devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTask Capacity:\u003c\/strong\u003e 32 simultaneous tasks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrograms per Task:\u003c\/strong\u003e 1,000 programs maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e 4-character alpha\/numeric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to 60°C standard range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommunication \u0026amp; Networking\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork Support:\u003c\/strong\u003e EtherNet\/IP, DeviceNet, ControlNet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Protocols:\u003c\/strong\u003e Remote I\/O, Data Highway Plus, SynchLink\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB Interface:\u003c\/strong\u003e 2.0 standard for programming\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEthernet Port:\u003c\/strong\u003e 1GB speed for high-speed communication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevice Connectivity:\u003c\/strong\u003e Manages up to 60 EtherNet\/IP nodes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProgramming \u0026amp; Software\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoftware Platform:\u003c\/strong\u003e Studio 5000 Automation Engineering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgramming Languages:\u003c\/strong\u003e FBD, LD, ST, SFC supported\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTask Management:\u003c\/strong\u003e 32 tasks with 1,000 programs each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Keying:\u003c\/strong\u003e Hardware verification protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay Features:\u003c\/strong\u003e Real-time status monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Operation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall in ControlLogix chassis with proper ventilation\u003c\/li\u003e\n\u003cli\u003eUse USB port for programming and configuration\u003c\/li\u003e\n\u003cli\u003eConnect to Ethernet network for communication\u003c\/li\u003e\n\u003cli\u003eMonitor status through front panel LED indicators\u003c\/li\u003e\n\u003cli\u003eImplement electronic keying for system security\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDownload comprehensive technical documentation: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/1756_ControlLogix_I_O_Modules_Specifications.pdf?v=1758762502\"\u003eDownload 1756-L81EK Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003ePackaging \u0026amp; Shipping\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1 x \u003cstrong\u003e1756-L81EK\u003c\/strong\u003e Controller Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Methods:\u003c\/strong\u003e FedEx, UPS, DHL express delivery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Protection:\u003c\/strong\u003e 12-month performance guarantee\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many EtherNet\/IP devices can this controller support?\u003c\/strong\u003e\u003cbr\u003eIt can manage up to 60 EtherNet\/IP devices simultaneously.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat programming languages are available?\u003c\/strong\u003e\u003cbr\u003eIt supports FBD, Ladder Diagram, Structured Text, and SFC languages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the maximum number of tasks supported?\u003c\/strong\u003e\u003cbr\u003eThe controller handles up to 32 tasks with 1,000 programs each.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat networks does this controller communicate with?\u003c\/strong\u003e\u003cbr\u003eIt works with EtherNet\/IP, DeviceNet, ControlNet, and other protocols.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat software is required for programming?\u003c\/strong\u003e\u003cbr\u003eUse Studio 5000 Automation Engineering \u0026amp; Design Environment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e© 2025 Ubest Automation Limited. All rights reserved.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eOriginal Source:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.ubestplc.com\/\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e\u003cbr\u003e\u003cstrong\u003eContact:\u003c\/strong\u003e \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e | \u003ca href=\"https:\/\/wa.me\/8618030005825\"\u003e+86 180 3000 5825\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51116225888538,"sku":"1756-L81EK","price":155.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/1756-L81EK_3_01874c79-f657-48fa-a561-35e63cd273ab.jpg?v=1759041036","url":"https:\/\/www.ubestplc.com\/ru\/products\/allen-bradley-1756-l81ek-controllogix-5580-processor-3mb-memory","provider":"Ubest Automation Limited","version":"1.0","type":"link"}