{"product_id":"allen-bradley-1788-cn2dn-controlnet-to-devicenet-bridge-linking-device","title":"Allen-Bradley 1788-CN2DN ControlNet to DeviceNet Bridge Linking Device","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1788-CN2DN\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance communication interface designed to bridge the gap between ControlNet and DeviceNet networks. This linking device enables seamless data exchange and high-speed control coordination across heterogeneous network architectures. It functions as a gateway, allowing a master controller on a ControlNet segment to monitor and control I\/O devices residing on a DeviceNet subnet without requiring a dedicated PC-based scanner.\u003c\/p\u003e\n\u003cp\u003eAs an open-style module, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1788-CN2DN\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis engineered for panel-mount or DIN-rail integration within protected industrial enclosures. It features robust galvanic isolation between all ports to ensure signal integrity and protect sensitive logic-side components from field-side electrical transients.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAllen-Bradley (Rockwell Automation)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Designation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1788-CN2DN\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork Interface A:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eControlNet (BNC Coaxial RG-6 connection)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork Interface B:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDeviceNet (5-pin linear header)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Power:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e24V DC nominal (Range: 18-32V DC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Consumption:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e500 mA (External 24V Input) \/ 90 mA (from DeviceNet network)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e30V continuous (Basic Insulation); Factory tested at 720V DC for 60 seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring Specifications:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.25 to 2.5 mm² (22 to 14 AWG) copper wire for power; 75°C (167°F) rating minimum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Wiring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCategory 2 (Comms) and Category 3 (Power)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions (H x W x D):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e120 x 200 x 87 mm (4.7 x 7.9 x 3.4 in)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eT4A (North American) \/ T4 (IEC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIP00 (Open-style)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication and Network Integration\u003c\/h3\u003e\n\u003cp\u003eThis linking device is primarily utilized in large-scale manufacturing facilities where a ControlNet backbone manages primary PLC communications while localized DeviceNet segments handle discrete sensors, motor starters, and actuators. By utilizing the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1788-CN2DN\u003c\/strong\u003e, engineers can reduce the complexity of their network topology and optimize bandwidth on the primary ControlNet trunk.\u003c\/p\u003e\n\u003ch3\u003eEngineering FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the 1788-CN2DN handle DeviceNet power?\u003c\/strong\u003eThe device requires power from both the external 24V DC input and the DeviceNet network itself. The DeviceNet side draws approximately 90 mA to power the transceiver circuits, ensuring network isolation is maintained.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this device support redundant ControlNet media?\u003c\/strong\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1788-CN2DN\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides standard ControlNet connectivity. For mission-critical applications requiring physical media redundancy, verify if your network configuration supports a single-access linking device or if secondary modules are required for the specific segment.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52390316998965,"sku":"1788-CN2DN","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1788-CN2DN.jpg?v=1772421847","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-1788-cn2dn-controlnet-to-devicenet-bridge-linking-device","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}