{"product_id":"1769-l33er-rockwell-automation-5370-pac-ethernet-processor","title":"1769-L33ER Rockwell Automation 5370 PAC Ethernet Processor","description":"\u003ch3\u003e\u003cstrong\u003eEngineering Architecture\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1769-L33ER\u003c\/strong\u003e controller operates as an advanced Programmable Automation Controller (PAC) within the Rockwell Automation \u003cstrong\u003eCompactLogix 5370\u003c\/strong\u003e product line. Engineered for small-to-medium industrial applications, this unit combines 2 MB of user memory, embedded dual-port EtherNet\/IP switching capabilities, and robust energy storage without requiring physical batteries.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Parameters and Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation \/ Allen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/allen-bradley-1769-compactlogix\"\u003eCompactLogix\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompactLogix 5370 L3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel \/ Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1769-L33ER\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUser Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNon-Volatile Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 GB SD card included (expandable to 2 GB via 1769-SD2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Ethernet ports (10\/100 Mbps), 1 USB port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Protocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEtherNet\/IP, Modbus TCP via mapping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax I\/O Modules\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 local modules across up to 3 I\/O banks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current Draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500 mA at 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5 Watts maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0°C to 60°C (32°F to 140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003ePhysical Mounting and Installation Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the controller securely onto standard DIN rails or directly to an industrial enclosure panel mounting plate.\u003c\/li\u003e\n\u003cli\u003eEnsure panel-mounted installations leverage the 30 g operating shock threshold, compared to the 20 g limit for DIN rail setups.\u003c\/li\u003e\n\u003cli\u003eMaintain a strict power supply distance rating within four slots from compatible units such as \u003cstrong\u003e1769-PA2\u003c\/strong\u003e or \u003cstrong\u003e1769-PB4\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eUtilize standard shielded Cat5 or Cat6 cabling with RJ45 connectors for dual Ethernet port links up to 100 meters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eBuilt-in Diagnostics and System Health Monitoring\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInternal energy storage eliminates battery maintenance while securing volatile memory during unexpected power loss.\u003c\/li\u003e\n\u003cli\u003eElectronic keying compares pre-configured project parameters against physical hardware to prevent mismatched module faults.\u003c\/li\u003e\n\u003cli\u003eContinuous watchdog timers and diagnostic status registers track communication node health across active EtherNet\/IP networks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility and Network Scalability\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEmbedded dual Ethernet ports function as a managed switch, supporting device-level ring (DLR) topologies.\u003c\/li\u003e\n\u003cli\u003eConnects up to 32 Ethernet nodes including Human Machine Interfaces, SCADA systems, and remote drives.\u003c\/li\u003e\n\u003cli\u003eInterfaces with legacy networks through optional expansion modules such as the \u003cstrong\u003e1769-SDN\u003c\/strong\u003e DeviceNet scanner.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eLogistics and Warranty Terms\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBacked by a reliable \u003cstrong\u003e12-month warranty\u003c\/strong\u003e covering mechanical integrity and manufacturing defects.\u003c\/li\u003e\n\u003cli\u003eExpedited international shipping handled via trusted global carriers including \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eGuaranteed order processing and dispatch within \u003cstrong\u003e24-48 hours\u003c\/strong\u003e of verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTarget Equipment and Typical Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDiscrete automated packaging machines requiring high-speed multi-axis motion and local HMI integration.\u003c\/li\u003e\n\u003cli\u003eModular water filtration skids utilizing distributed Compact I\/O expansion banks across multiple racks.\u003c\/li\u003e\n\u003cli\u003eMaterial handling conveyor systems demanding resilient Ethernet connectivity and compact panel footprints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight and Field Experience\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003ePlant floor engineers frequently select the \u003cstrong\u003e1769-L33ER\u003c\/strong\u003e when upgrading standalone machine cells that require seamless integration into plant-wide Ethernet architectures without the expense of a ControlLogix chassis. Field experience emphasizes verifying the four-slot power supply distance limitation; exceeding this span leads to unpowered backplane segments and communication dropouts. Additionally, retaining the factory-installed 1GB SD card ensures rapid firmware recovery and program restoration during routine maintenance cycles.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What selection rules govern the choice between DIN rail and panel mounting for this controller?\u003c\/strong\u003e\u003cbr\u003eA: Select panel mounting when the machinery experiences severe continuous vibration or physical shock, as it offers a higher operating shock tolerance of 30 g compared to 20 g on DIN rails.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the 1769-L33ER controller operate without an inserted SD memory card?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the controller runs on its internal 2 MB user memory, but the included 1 GB SD card is highly recommended for automated project backup and fast firmware updates.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the embedded dual Ethernet switch benefit machine-level network layouts?\u003c\/strong\u003e\u003cbr\u003eA: The dual ports allow linear or ring network topologies without requiring external industrial switches, reducing overall cabinet space and wiring complexity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What troubleshooting steps apply if electronic keying triggers a major controller fault?\u003c\/strong\u003e\u003cbr\u003eA: Inspect the physical module catalog numbers inside the rack and update your Studio 5000 project configuration settings to match the exact hardware revision.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is an external battery required to retain user program memory during extended power shutdowns?\u003c\/strong\u003e\u003cbr\u003eA: No, the controller uses an internal energy storage capacitor system that safely transfers memory contents to non-volatile storage without requiring replacement batteries.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013910290614,"sku":"1769-L33ER","price":167.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1769-L33ER_dc18a695-9622-4ed5-b096-2aebaaf9e914.jpg?v=1788944743","url":"https:\/\/www.plcsparehub.com\/products\/1769-l33er-rockwell-automation-5370-pac-ethernet-processor","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}