{"product_id":"allen-bradley-1756-l71k-controllogix-5570-2mb-cpu","title":"Allen Bradley 1756-L71K ControlLogix 5570 2MB CPU","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1756-L71K is a conformal-coated ControlLogix 5570 processor with 2 MB user memory. It provides high-performance control with integrated USB communication, supporting 128,000 I\/O points and full controller redundancy for demanding industrial applications.\u003c\/p\u003e\n\u003ch3\u003eKey Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUser memory:\u003c\/strong\u003e 2 MB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O memory:\u003c\/strong\u003e 0.98 MB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax I\/O:\u003c\/strong\u003e 128,000 digital, 4000 analog\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e 1 USB port, optional EtherNet\/IP, ControlNet, DeviceNet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-volatile memory:\u003c\/strong\u003e 1 GB (1784-SD1, ships with controller)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent draw:\u003c\/strong\u003e 5 mA @ 1.2 V DC, 800 mA @ 5.1 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower dissipation:\u003c\/strong\u003e 2.5 W\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConformal coating protects against corrosive environments\u003c\/li\u003e\n\u003cli\u003eFull controller redundancy support for high-availability systems\u003c\/li\u003e\n\u003cli\u003eIntegrated motion on EtherNet\/IP and SERCOS interface options\u003c\/li\u003e\n\u003cli\u003eEnergy Storage Module eliminates battery maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat does the K suffix mean?\u003c\/strong\u003e Conformal coating for harsh or corrosive environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many tasks does it support?\u003c\/strong\u003e 32 tasks with 100 programs per task.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs redundancy supported?\u003c\/strong\u003e Yes, full controller redundancy with 1756-RM2 modules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMounting Steps\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInstall the controller in any slot of a 1756 chassis.\u003c\/li\u003e\n\u003cli\u003eInsert the 1784-SD1 Secure Digital card for non-volatile storage.\u003c\/li\u003e\n\u003cli\u003eConnect the USB port for programming or install communication modules.\u003c\/li\u003e\n\u003cli\u003eVerify the Energy Storage Module is fully seated.\u003c\/li\u003e\n\u003cli\u003eDownload the application using Studio 5000 Logix Designer.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eBuying Advice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChoose 1756-L71K for corrosive environments; use 1756-L71 for standard conditions.\u003c\/li\u003e\n\u003cli\u003eFor 4 MB memory, select the 1756-L72K.\u003c\/li\u003e\n\u003cli\u003ePair with 1756-RM2K redundancy modules for high-availability architectures.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50179967910026,"sku":"1756-L71K","price":234.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/2818\/2154\/files\/1756-L71K_2c6c30a0-c313-4e20-8e28-7d9f61b44f57.jpg?v=1789108853","url":"https:\/\/www.cambiaplc.com\/products\/allen-bradley-1756-l71k-controllogix-5570-2mb-cpu","provider":"Controlix Automation","version":"1.0","type":"link"}