{"product_id":"allen-bradley-1756-l72s-guardlogix-5570-safety-pac-controller","title":"Allen Bradley 1756-L72S GuardLogix 5570 Safety PAC Controller","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1756-L72S\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-performance\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGuardLogix 5570\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries controller, providing integrated safety and discrete control in a single platform. This processor handles SIL 3 and PLe (Performance Level e) safety applications when paired with its mandatory safety partner. It manages high-speed motion, complex safety logic, and standard process control simultaneously, eliminating the need for separate safety relays or independent systems. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal factory stock, ensuring the hardware integrity required for critical life-safety automation.\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\u003eUser Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 MB Standard\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSafety Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 MB Integrated\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 (Included Secure Digital Card)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Digital I\/O\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128,000 Points\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Analog I\/O\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4,000 Points\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTasks\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e31 Standard; 1 Safety\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePrograms per Task\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 Programs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 USB Port (Programming\/Diagnostics)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnergy Storage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-ESMCAP (Removes need for batteries)\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\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8.5 BTU\/hr\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\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Safety Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1756-L72S executes both standard and safety instructions within the same chassis. This architecture simplifies software development in Studio 5000, as engineers use a common tag database for both safety and standard logic, reducing programming errors and commissioning time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBattery-Free Operation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module utilizes the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-ESMCAP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eenergy storage module. This capacitor-based technology provides sufficient power to save the project to non-volatile memory during a power loss event. This eliminates the maintenance burden and environmental hazards associated with traditional lithium batteries.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Resolution Diagnostic Throughput:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe integrated USB 2.0 port supports rapid firmware flashing and high-speed online edits. Unlike older serial-based processors, the 1756-L72S allows for near-instantaneous uploads and downloads, which is critical during emergency downtime recovery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMassive I\/O Scalability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupporting up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e128,000 digital I\/O points\u003c\/strong\u003e, this controller manages large-scale manufacturing cells. It maintains consistent scan times even under heavy logic loads, ensuring that safety reaction times remain within the required performance parameters for SIL 3 compliance.\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-L72S require a safety partner to function?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. To achieve SIL 3\/PLe safety ratings, you must pair the 1756-L72S with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-L7SP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esafety partner controller. The partner module provides the redundancy required to cross-check safety logic execution and ensure a fail-safe state in the event of a processor fault.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the advantage of the 1GB non-volatile memory card?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ships-with 1GB SD card stores the user program and tag data permanently. If a processor failure occurs, maintenance personnel can simply move the SD card to a new 1756-L72S unit to restore the system without needing a programming laptop or the original source code files.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this controller in an existing 1756 ControlLogix chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1756-L72S is compatible with all standard\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-A4, A7, A10, A13, and A17\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echassis. However, ensure that your power supply (e.g., 1756-PA72 or PB72) provides enough current for the processor and its safety partner, as they draw significantly more power than standard L7 series controllers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a refurbished unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. We guarantee this 1756-L72S is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal Allen Bradley equipment. It arrives in the original factory box with the factory seal intact, including the pre-installed energy storage module and SD card.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52803965878581,"sku":"1756-L72S","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1756-L72S.png?v=1777519940","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-1756-l72s-guardlogix-5570-safety-pac-controller","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}