{"product_id":"1768-l43-allen-bradley-compactlogix-logix5343-central-processing-unit","title":"1768-L43 | Allen-Bradley | CompactLogix Logix5343 Central Processing Unit","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1768-L43\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-performance Logix5343 controller designed for mid-range applications requiring integrated motion and expanded communication capabilities. This processor anchors the 1768 system, bridging the gap between standard CompactLogix and larger ControlLogix systems by supporting high-speed 1768 backplane modules alongside standard 1769 I\/O. We provide this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal factory stock, ensuring the highest computational integrity for your automated production lines.\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\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\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1768-L43\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProcessor Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLogix5343 Controller\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1768 Backplane Slots\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Slots\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax. 1768 Modules\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Communication\/Motion Modules\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax. 1769 I\/O Modules\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Modules (Standard \u0026amp; Remote)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax. I\/O Banks\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 I\/O Banks\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConnection Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 250 Connections\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.3 Amps @ 24V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e31.3 Watts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting Torque\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.16 Nm\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\u003e0.34 kg (0.75 lbs)\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\u003eHigh-Speed Motion Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1768 backplane provides a dedicated high-speed bus that supports 1768-M04SE SERCOS interface modules. This architecture enables the 1768-L43 to manage complex multi-axis motion tasks with significantly lower latency than standard 1769-based controllers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Bus Versatility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis CPU manages two distinct buses simultaneously. It utilizes the 1768 bus for high-bandwidth communication (EtherNet\/IP or ControlNet) and motion, while the 1769 bus handles standard discrete and analog I\/O. This dual-bus design optimizes data throughput and prevents communication bottlenecks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExpanded Connectivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1768-L43 supports up to 250 Logix connections. This capacity allows the controller to interface with a vast array of HMIs, drives, and other PLC nodes across the factory floor, making it an ideal choice for data-heavy SCADA environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Installation Hardware:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module features robust mounting points requiring 1.16 Nm of torque. This secure mechanical attachment ensures the processor remains stable in high-vibration environments, protecting the internal logic circuits and backplane connectors from intermittent contact failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary difference between the 1768-L43 and the 1769-L3x series?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1768-L43 utilizes the 1768 backplane, which supports high-speed motion and communication modules like the 1768-ENBT. Standard 1769-L3x processors rely solely on the 1769 bus, which offers lower bandwidth for motion and networking compared to the 1768-L43.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many Ethernet modules can I install with this processor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1768-L43 supports a maximum of two 1768 communication modules. You can install two 1768-ENBT modules for network redundancy or to separate factory-floor I\/O traffic from enterprise-level data collection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich power supply does the 1768-L43 require?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis processor requires a 1768-series power supply, such as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1768-PA3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1768-PB3\u003c\/strong\u003e. Standard 1769 power supplies will not mate with the 1768 backplane used by this CPU.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit include the 1784-CF128 Industrial CompactFlash card?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the 1768-L43 supports non-volatile memory storage via CompactFlash, the card typically ships as a separate accessory. We recommend installing an industrial-grade card to ensure the controller automatically reloads your user program during a power cycle.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53410981413048,"sku":"1768-L43","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1768-L43_d83e4bb7-8bdc-4406-b5fd-64b9e9a4923d.jpg?v=1777281939","url":"https:\/\/www.globalpetroparts.com\/products\/1768-l43-allen-bradley-compactlogix-logix5343-central-processing-unit","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}