{"product_id":"allen-bradley-1756-l72s-industrial-automation-module-heavy-duty","title":"Allen-Bradley 1756-L72S Industrial Automation Module - Heavy-Duty","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1756-L72S is a GuardLogix 5570 Programmable Automation Controller (PAC) from the Logix5000 family. This processor integrates standard and safety control in a single project, eliminating the need for separate safety controllers. With 4MB of user memory and 2MB of dedicated safety memory, the 1756-L72S meets the demands of high-performance motion and safety applications.\u003c\/p\u003e\u003cp\u003eDesigned for SIL 3, PLe, and Category 4 safety ratings, this controller works with a 1756-L7SP safety partner to deliver robust safety functions. The 1756-L72S also features an integrated energy storage module (ESM) that replaces traditional lithium batteries, making it an environmentally friendly choice for modern automation systems.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eBelow are the key specifications for the Allen-Bradley 1756-L72S, sourced directly from the manufacturer's data:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory\u003c\/td\u003e\n\u003ctd\u003e4 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Memory\u003c\/td\u003e\n\u003ctd\u003e2 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Memory\u003c\/td\u003e\n\u003ctd\u003e0.98 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNon-Volatile Memory\u003c\/td\u003e\n\u003ctd\u003e1 GB (ships with controller)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum I\/O\u003c\/td\u003e\n\u003ctd\u003e128,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Analog I\/O\u003c\/td\u003e\n\u003ctd\u003e4,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Digital I\/O\u003c\/td\u003e\n\u003ctd\u003e128,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Standard Tasks\u003c\/td\u003e\n\u003ctd\u003e31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Safety Tasks\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrograms per Task\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvent Tasks\u003c\/td\u003e\n\u003ctd\u003eAll triggers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in Communication\u003c\/td\u003e\n\u003ctd\u003e1 USB port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw (1.2V DC)\u003c\/td\u003e\n\u003ctd\u003e5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw (5.1V DC)\u003c\/td\u003e\n\u003ctd\u003e800 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e2.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e8.5 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e30V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eNone (Open-Style)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThe 1756-L72S supports up to 500 controller connections, making it ideal for large, distributed systems.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThe Allen-Bradley 1756-L72S excels in applications requiring both standard and safety control. Typical use cases include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachine Safety:\u003c\/strong\u003e Integrate safety interlocks and emergency stops with standard machine logic in a single controller, reducing wiring and complexity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Automation:\u003c\/strong\u003e Manage batch processes that demand high availability and SIL 3-rated safety functions, such as chemical or pharmaceutical production.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotion Control:\u003c\/strong\u003e Execute coordinated multi-axis motion with the processing power needed for high-speed, high-precision applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBecause the 1756-L72S combines standard and safety tasks, it simplifies project development and reduces the total cost of ownership.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\u003cp\u003eInstall the 1756-L72S into any slot of a ControlLogix 1756 chassis (standard or conformally-coated). Multiple controllers can reside in the same chassis. Connect the safety partner 1756-L7SP to enable safety functions; the system automatically configures the partner for a single project. Use the built-in USB port for local programming and diagnostics. Secure the processor with the included 1784-SD1 SD card for non-volatile memory; this card can be expanded to 2 GB with the 1784-SD2.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eThe 1756-L72S uses energy storage modules (ESM) instead of batteries, eliminating periodic battery replacement and reducing maintenance downtime. The integrated 1756-ESMCAP provides backup during power loss, while optional modules (1756-ESMNSE, 1756-ESMNRM) offer alternative configurations. The open-style enclosure requires proper panel protection; ensure the chassis is mounted in a clean, dry environment to maintain reliability.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eAs part of the ControlLogix family, the 1756-L72S integrates with a wide range of I\/O modules, communication interfaces, and third-party devices. It communicates over ControlNet, DeviceNet, or EtherNet\/IP networks for safe and standard data exchange. The controller supports up to 128,000 digital I\/O and 4,000 analog I\/O, providing scalability for large applications.\u003c\/p\u003e\u003ch2\u003eBuying Guide\u003c\/h2\u003e\u003cp\u003eWhen purchasing the Allen-Bradley 1756-L72S, verify that you have the required safety partner (1756-L7SP) and compatible chassis. Consider your memory and I\/O needs to ensure the 1756-L72S meets your application requirements. For a reliable source, PLC Source PRO offers genuine Allen-Bradley products with competitive pricing and fast delivery.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44435074580579,"sku":"1756-L72S","price":293.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1756-2WS_78bee368-70f5-4d49-bff7-fe6d766f1984.jpg?v=1785783222","url":"https:\/\/www.plcsourcepro.com\/products\/allen-bradley-1756-l72s-industrial-automation-module-heavy-duty","provider":"PLC Source PRO","version":"1.0","type":"link"}