{"product_id":"logix-architecture-controller-new-allen-bradley-1794-l34","title":"Logix Architecture Controller New | Allen-Bradley 1794-L34","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1794-L34\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-performance, modular processor within the FLEXLogix family. It bridges the gap between centralized control and distributed I\/O by embedding the powerful Logix control engine directly into a FLEX I\/O hardware profile. This controller manages up to 1,000 I\/O points, making it the premier choice for remote process skids, modular packaging machines, and distributed automation cells. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, providing a compact yet robust CPU solution that eliminates the need for a full-sized chassis in space-constrained environments.\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\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Details\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\u003eController Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFLEXLogix Distributed Processor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\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\u003e512 KB (Standard Logix Engine)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24V DC Nominal (19.2–31.2V DC Range)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.85A @ 24V DC Maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFlexbus Current Output\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e653mA @ 5.1V DC Maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20.4W @ 24V DC; 25.5W @ 19.2V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e87 BTU\/hour\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30V DC (Tested at 850V DC for 60s)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProgramming Software\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRSLogix 5000 \/ Studio 5000\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\u003eIntegrated RS-232 Serial Port\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Net Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.77 kg (1.69 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.50 kg (Includes protective logistics packaging)\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\u003eIntegrated Logix Engine Capability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1794-L34 executes the same common instruction set found in ControlLogix and CompactLogix systems. This allows engineers to reuse code across different hardware platforms, drastically reducing development time and commissioning risks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis-Free Scalability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike traditional PLCs, the 1794-L34 mounts directly onto a DIN rail and connects to FLEX I\/O modules via the 1794-CE1 or 1794-CE3 cables. This architecture creates a \"distributed brain\" that lives on the machine, reducing long wiring runs and expensive enclosures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized for Remote Skids:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe compact form factor and 24V DC power requirement make this controller ideal for OEM skids and modular equipment. It handles local logic processing, ensuring that the skid continues to operate safely even if communication with the supervisory PLC experiences an interruption.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Bandwidth Local I\/O:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe built-in Flexbus delivers up to 653mA of current to local I\/O modules. This allows a single 1794-L34 to power and control multiple analog and digital modules simultaneously without requiring an additional bus power supply in many configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat software do I need to program the 1794-L34?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou program the 1794-L34 using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRSLogix 5000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(or older versions of Studio 5000). Because it belongs to the Logix family, it supports tag-based programming and User-Defined Data Types (UDTs), providing a much more modern programming environment than the older SLC 500 or PLC-5 systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1794-L34 support EtherNet\/IP communication?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1794-L34 includes a built-in RS-232 port for point-to-point communication. To connect the controller to an EtherNet\/IP, ControlNet, or DeviceNet network, you must install the corresponding 1794 communication daughtercard or adapter module. This modularity allows you to change the network protocol without replacing the main controller.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many I\/O modules can I connect directly to one 1794-L34?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the system supports up to 1,000 I\/O points, the physical limit for a local rail is typically\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8 modules\u003c\/strong\u003e. If your application requires more, you can use the 1794-CE1 or 1794-CE3 extension cables to add additional FLEX I\/O rows while remaining under the control of the single 1794-L34 processor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the function of the lithium battery in this unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1794-L34 utilizes a replaceable lithium battery to retain the user program and tag data in the internal volatile memory (SRAM) during power-off states. We recommend checking the battery status periodically via the system tags to prevent data loss during extended shutdowns.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43359423496282,"sku":"1794-L34","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/12._097c883d-c39e-42e1-a2f4-31ca9b7be619.jpg?v=1778639634","url":"https:\/\/www.spareoil.com\/products\/logix-architecture-controller-new-allen-bradley-1794-l34","provider":"SpareOil Automation","version":"1.0","type":"link"}