{"product_id":"allen-bradley-1788-cn2dn-controlnet-devicenet-linking-device","title":"Allen-Bradley 1788-CN2DN ControlNet DeviceNet Linking Device","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #003366;\"\u003eAllen-Bradley 1788-CN2DN\u003c\/strong\u003e is a high-performance linking device engineered to bridge communications between ControlNet and DeviceNet networks. This intelligent gateway allows a ControlNet-based controller to seamlessly access, configure, and control I\/O devices on a DeviceNet network. By acting as a transparent proxy, the 1788-CN2DN reduces the complexity of multi-layered network architectures, enabling real-time data exchange across different protocols. Its robust, open-style design is tailored for industrial environments where high-speed synchronization and reliability are critical.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Configuration\u003c\/h2\u003e\n\u003cp\u003eThe 1788-CN2DN is optimized for high-speed industrial data routing:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProtocol Conversion:\u003c\/strong\u003e Facilitates bi-directional data flow between ControlNet (RG6 coaxial) and DeviceNet (0.52 mm² wiring).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePower System:\u003c\/strong\u003e Requires a stable 24V DC input with a typical low power consumption of 5W.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStatus Monitoring:\u003c\/strong\u003e Equipped with a comprehensive array of LED indicators for Module Status, Network Status, and Linking Activity.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRugged Construction:\u003c\/strong\u003e Features a zinc-plated, chromate-passivated steel DIN rail mounting system to resist corrosion and mechanical stress.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Survivability:\u003c\/strong\u003e Rated for an operating shock of 30G and an isolation voltage of 30V.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n    \u003cthead\u003e\n        \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n            \u003cth style=\"border: 1px solid #ccc; padding: 10px; text-align: left;\"\u003eParameter\u003c\/th\u003e\n            \u003cth style=\"border: 1px solid #ccc; padding: 10px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eInput Power\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e24V DC\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eControlNet Media\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eRG6 Coaxial Cable\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eDeviceNet Media\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e0.52 mm² (20 AWG) Wire\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eOperating Temperature\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e0°C to 60°C (32°F to 140°F)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eIsolation Voltage\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003e30V (Continuous)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eTypical Net Weight\u003c\/td\u003e\n            \u003ctd style=\"border: 1px solid #ccc; padding: 10px;\"\u003eApproximately 0.45 kg (0.99 lbs)\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003cp\u003eProper installation of the Allen-Bradley 1788-CN2DN is vital for maintaining network integrity. The device should be mounted on a grounded DIN rail within a protected enclosure, as it is an open-style module.\u003c\/p\u003e\n\n\u003ch3\u003eNetwork Integration\u003c\/h3\u003e\n\u003cp\u003eWhen connecting the ControlNet side, ensure the RG6 connectors are properly crimped and torqued. For the DeviceNet side, use standard 5-pin open style connectors. It is highly recommended to place the linking device as close to the center of the DeviceNet trunk line as possible to minimize signal drop. \u003c\/p\u003e\n\n\u003ch3\u003eDiagnostic LEDs\u003c\/h3\u003e\n\u003cp\u003eThe LED panel provides instant feedback:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModule Status:\u003c\/strong\u003e Solid green indicates the device is operational.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLinking Activity:\u003c\/strong\u003e Flashing indicates data is actively being routed between networks.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eControlNet A\/B:\u003c\/strong\u003e Monitors the health of redundant ControlNet channels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cp\u003eThe 1788-CN2DN is a lightweight yet powerful solution with a net \u003cstrong\u003eweight of approximately 0.45 kg\u003c\/strong\u003e, making it easy to integrate into existing high-density control panels without significant structural changes. Its support for real-time communication protocols ensures that timing-critical data from DeviceNet sensors reaches the ControlNet master with minimal latency. Furthermore, the 30G shock rating makes it suitable for use in heavy industrial applications where machinery produces constant vibration or physical impacts.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Does this device require a separate node address on both networks?\u003c\/strong\u003e\u003cbr\u003e\nA1: Yes, the 1788-CN2DN must be assigned a unique ControlNet node address and a DeviceNet MAC ID to be recognized by the respective network scanners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Can I use this to bridge two ControlNet networks?\u003c\/strong\u003e\u003cbr\u003e\nA2: No, this specific model is designed exclusively to bridge ControlNet to DeviceNet. For ControlNet-to-ControlNet bridging, you would require a different gateway module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Is the 24V DC power provided by the DeviceNet cable?\u003c\/strong\u003e\u003cbr\u003e\nA3: While DeviceNet carries power, it is best practice to provide a dedicated 24V DC source to the 1788-CN2DN power terminals to ensure stable operation of the internal linking logic, especially in large networks.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51050727178372,"sku":"1788-CN2DN","price":106.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1788-CN2DN-2.jpg?v=1777035994","url":"https:\/\/www.etowonauto.com\/nb\/products\/allen-bradley-1788-cn2dn-controlnet-devicenet-linking-device","provider":"Etowon Auto","version":"1.0","type":"link"}