{"product_id":"allen-bradley-1756-l71s-guardlogix-5570-plc-controller","title":"Allen-Bradley 1756-L71S GuardLogix 5570 PLC Controller","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-L71S\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance GuardLogix 5570 controller designed for advanced industrial automation. It combines standard ControlLogix features with integrated safety capabilities, enabling reliable SIL 3 or Cat. 4\/PLe operations.\u003c\/p\u003e\n\u003ch3\u003eMemory and Processing\u003c\/h3\u003e\n\u003cp\u003eThis controller provides 2 MB of user memory and 1 MB of safety memory. It includes 0.98 MB I\/O memory and ships with a 1 GB pre-installed Secure Digital card, expandable to 2 GB. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L71S\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecan manage up to 128,000 digital I\/O and 4000 analog I\/O points. It supports 31 standard tasks and one safety task with up to 100 programs per task.\u003c\/p\u003e\n\u003ch3\u003eCommunication and Integration\u003c\/h3\u003e\n\u003cp\u003eThe controller includes a built-in USB port and supports optional EtherNet\/IP, ControlNet, and DeviceNet adapters. It allows seamless I\/O monitoring over backplane and I\/O links, ensuring fast, reliable communication with networked devices.\u003c\/p\u003e\n\u003ch3\u003eElectrical and Thermal Specifications\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L71S\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edraws 5 mA at 1.2V DC and 800 mA at 5.1V DC. Its power dissipation is 2.5 W with thermal dissipation rated at 8.5 BTU\/hr. The controller offers 30V continuous isolation for safe operation in open-style enclosures.\u003c\/p\u003e\n\u003ch3\u003eSafety Features\u003c\/h3\u003e\n\u003cp\u003ePaired with the 1756-L7SP safety module, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L71S\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides dual-processor operation to meet rigorous safety standards. It automatically configures the safety partner, simplifying project setup while maintaining high-speed logic and motion control.\u003c\/p\u003e\n\u003ch3\u003ePhysical and Environmental\u003c\/h3\u003e\n\u003cp\u003eThe controller weighs 0.55 lbs and can be installed in any slot within a ControlLogix 1756 chassis. It functions efficiently across industrial operating environments, ensuring stable performance in diverse conditions.\u003c\/p\u003e\n\u003ch3\u003eEnergy Storage and Optional Expansion\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L71S\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoperates with the 1756-ESMCAP and 1756-ESMCAPK Energy Storage Modules, eliminating the need for lithium batteries. Optional non-volatile storage can be expanded using 1784-SD1 or 1784-SD2 cards, enabling flexible memory management.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":50635209539880,"sku":"1756-L71S","price":152.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/1756-L71S3.jpg?v=1757572695","url":"https:\/\/www.powerdcs.com\/products\/allen-bradley-1756-l71s-guardlogix-5570-plc-controller","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}