{"product_id":"allen-bradley-1756-l73k-controllogix-controller","title":"Allen-Bradley 1756-L73K ControlLogix Controller","description":"\u003cp\u003eConfigured for high-speed logic execution in ControlLogix system platforms, the \u003cstrong\u003eAllen-Bradley 1756-L73K\u003c\/strong\u003e (\u003cstrong\u003e1756-L73K\u003c\/strong\u003e ControlLogix Controller) provides direct computational processing and task scheduling for industrial automation networks.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-L73K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.91 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 1756 Chassis Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory\u003c\/td\u003e\n\u003ctd\u003e8 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\u003eConnections\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eConformal Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe 1756-L73K facilitates deterministic network performance through optimized backplane communication and integrated EtherNet\/IP connectivity. The controller maintains task execution cycles via high-speed scanning of local and distributed I\/O data, ensuring synchronization across the backplane bus. The firmware supports advanced instruction sets for motion, process, and discrete control. Conformal coating applied to the internal PCB assembly provides protection against environmental contaminants, ensuring long-term hardware integrity in non-controlled atmospheres. The 4-character alphanumeric display provides real-time status diagnostics, including firmware revision data and communication port activity.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1756-L73K support firmware flash compatibility with older ControlLogix revision levels?\u003c\/p\u003e\n\u003cp\u003eA: The controller supports specific firmware revisions. Users must verify the minimum firmware requirements for the project file in the Studio 5000 environment before attempting a firmware flash to avoid memory or communication mismatches.\u003c\/p\u003e\n\u003cp\u003eQ: Is this controller compatible with standard 1756 chassis backplanes?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the 1756-L73K is designed for slot insertion into standard ControlLogix 1756 chassis and consumes 2.5 W from the backplane power supply. Ensure the selected chassis power supply has sufficient capacity to accommodate the controller and all associated I\/O modules.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the chassis slot is free of debris before inserting the 1756-L73K to prevent backplane pin damage.\u003c\/li\u003e\n\u003cli\u003eSlide the controller into the guide rails until the locking latch is fully engaged; verify that the module is flush with the chassis front face.\u003c\/li\u003e\n\u003cli\u003eConnect the primary programming interface using the integrated USB port for initial configuration and project downloads.\u003c\/li\u003e\n\u003cli\u003eIf utilizing EtherNet\/IP connectivity, ensure the RJ45 port is connected via Category 5e or higher shielded twisted pair cabling to maintain signal integrity in high-EMI environments.\u003c\/li\u003e\n\u003cli\u003eApply power only after ensuring the module is securely seated and all necessary I\/O modules are initialized within the rack.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53537249165496,"sku":"1756-L73K","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1756-L73K1.jpg?v=1780369227","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1756-l73k-controllogix-controller","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}