{"product_id":"allen-bradley-1768-cnb-compactlogix-controlnet-bridge-module","title":"Allen-Bradley 1768-CNB CompactLogix ControlNet Bridge Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1768-CNB\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-speed communication gateway for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCompactLogix 1768\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtroller systems. This module enables the controller to bridge data between the local backplane and a ControlNet network, supporting critical real-time I\/O and messaging functions. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal factory stock, providing a high-availability solution for legacy systems that require deterministic, repeatable data transfers in demanding industrial 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\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\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley \/ Rockwell Automation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCompactLogix 1768\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eControlNet Bridge Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLogix Connections\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e48 Connections\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNode Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 99 ControlNet Nodes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Rate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 Mbps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMedia Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSingle Media (Coaxial)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1768 Dedicated Communication Bus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProgramming Port\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNetwork Access Port (NAP)\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\u003e0.57 lbs (0.26 kg)\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\u003eDeterministic Network Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1768-CNB utilizes the ControlNet protocol to ensure time-critical data reaches its destination with zero jitter. This hardware eliminates the unpredictable latency often found in standard Ethernet networks, making it ideal for high-speed synchronized motion or precise process control loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtended Node Scalability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA single 1768-CNB manages communications for up to 99 nodes. This capacity allows engineers to expand distributed I\/O racks and drive systems across large facility footprints without adding additional controller hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Network Access:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe integrated Network Access Port (NAP) provides a direct entry point for programming tools and maintenance PCs. Technicians connect to the entire ControlNet segment through the bridge front panel, facilitating rapid configuration and diagnostic monitoring without disturbing the primary media cabling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDedicated 1768 Bus Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike standard expansion modules, the 1768-CNB mounts directly to the left side of a 1768-L43 or 1768-L45 controller. This dedicated high-speed bus ensures maximum data throughput between the CPU and the communication port, preventing bottlenecks during heavy messaging cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Legacy Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAs a discontinued-by-manufacturer component, finding original, unused hardware is critical for system longevity. Our\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estock ensures you avoid the reliability risks of used or refurbished modules, preserving the integrity of your existing 1768 architecture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1768-CNB support redundant media?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 1768-CNB is a single-media module. If your application requires redundant ControlNet media (Dual Coax), you should verify compatibility with your 1768 controller system and consider if the network architecture supports a single-link bridge.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIn which slot should I install the 1768-CNB?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis module must install in the 1768 bus slots located to the left of the 1768-L4x controller. You cannot install this module in the standard 1769 I\/O slots located to the right of the power supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow many ControlNet bridges can one 1768 controller support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1768-L43 and 1768-L45 controllers support up to two and four 1768-bus modules respectively. Consult your controller's manual to ensure the total power draw stays within the limits of the system power supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know this module is truly brand new?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe guarantee every 1768-CNB arrives in its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOriginal Allen-Bradley Factory Box\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith intact security seals. As a brand-new unit, the module features clean, oxidation-free BNC connectors and zero insertion marks on the backplane interface, ensuring the longest possible MTBF (Mean Time Between Failures).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52532515668277,"sku":"1768-CNB","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1768-CNBR1_a45cc4f1-5cdb-491b-ad4c-3a08696734aa.jpg?v=1775210483","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-1768-cnb-compactlogix-controlnet-bridge-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}