{"product_id":"1756-l73k-controllogix-5570-logix5573-processor-module-allen-bradley","title":"1756-L73K | ControlLogix 5570 Logix5573 Processor Module | Allen Bradley","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1756-L73K\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-tier ControlLogix 5570 controller designed for demanding industrial applications requiring high-density memory and rapid execution speeds. This processor manages complex control loops, high-speed motion, and extensive I\/O configurations across the Logix platform. As a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal unit, it features specialized\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econformal coating\u003c\/strong\u003e, providing essential protection against corrosive atmospheres and humidity in chemical processing or offshore environments.\u003c\/p\u003e\n\u003ch2\u003ePart Number Breakdown\u003c\/h2\u003e\n\u003cp\u003eThe 1756-L73K follows a specific designation for the ControlLogix series:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e1756:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIdentifies the ControlLogix hardware platform.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eL73:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSpecifies the Logix5573 processor with 8 MB of user memory.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eK:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDenotes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eConformal Coating\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor enhanced environmental protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003eThe 1756-L73K delivers significant computational power and connectivity within a single-slot footprint:\u003c\/p\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\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\u003e8 MB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eI\/O Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.98 MB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBuilt-in USB 2.0 (Full Speed)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eController Connections\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e500 Maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4-Character Alpha\/Numeric\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\u003eSecure Digital (SD) Card support\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFactory-Applied Conformal Coating\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.00 lbs (0.91 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Width\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 Slot\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Logic Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe L73 architecture significantly reduces scan times for complex arithmetic and logic execution compared to previous generations, ensuring deterministic response for high-speed manufacturing lines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAggressive Environmental Hardening:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe conformal coating shields internal circuitry from airborne contaminants, moisture, and chemical vapors. This prevents dendritic growth and short circuits, extending the MTBF (Mean Time Between Failures) in wastewater or refinery settings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Connection Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupport for up to 500 controller connections allows for massive network integration. This single CPU coordinates vast arrays of remote I\/O, variable frequency drives, and peer-to-peer messaging without bottlenecking.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStreamlined Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe integrated 4-character alpha\/numeric display provides immediate hardware status and error codes. Technicians diagnose faults directly at the chassis without needing a laptop or network access during initial troubleshooting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Energy Storage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module utilizes an internal energy storage solution, eliminating the need for a lithium battery to maintain volatile memory during power cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1756-L73K require a battery for program backup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The ControlLogix 5570 series uses internal energy storage to write program data to non-volatile memory during a power loss. This eliminates the maintenance costs and logistics associated with lithium battery replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the USB port intended for permanent communication?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe built-in USB port serves primarily for temporary programming, configuration, and firmware updates. For permanent HMI or SCADA networking, use an EtherNet\/IP or ControlNet communication module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace a standard 1756-L73 with the 1756-L73K?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 1756-L73K provides the exact same logical performance and memory capacity as the 1756-L73. The only physical difference is the added conformal coating, making it a superior choice for harsh environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I verify the authenticity of this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe guarantee this unit is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e. Each processor arrives in factory-sealed Allen Bradley packaging with a verifiable serial number and intact security labels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52476072722741,"sku":"1756-L73K","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1756-L73K__1.jpg?v=1774407213","url":"https:\/\/www.5gplc.com\/products\/1756-l73k-controllogix-5570-logix5573-processor-module-allen-bradley","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}