{"product_id":"1794-acnr-allen-bradley-flex-i-o-controlnet-redundant-media-adapter","title":"1794-ACNR | Allen-Bradley | Flex I\/O ControlNet Redundant Media Adapter","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1794-ACNR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the critical communication interface between a ControlNet network and Flex I\/O modules. This adapter manages high-speed data transfer and provides a gateway for I\/O signals in distributed control architectures. By utilizing dual BNC connectors, this module supports redundant media paths, ensuring your automation system maintains continuous operation even if one cable segment fails. We offer this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto guarantee peak performance in mission-critical applications.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1794-ACNR provides robust networking capabilities for complex industrial environments:\u003c\/p\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\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\u003eProtocol\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eControlNet V 1.25\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\u003eTwo (2) ControlNet BNC (Redundant)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e19.2 to 31.2 Volts DC (24V Nominal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFlexbus Output Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e640 mA Maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e400mA max from external 24V supply\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\u003e850 Volts DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-20 to 55 °C (-4 to 131 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShock\/Vibration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 g Shock \/ 5 g @ 10...500 Hz Vibration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting Configuration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDIN Rail\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\u003cp\u003eThe 1794-ACNR addresses several high-stakes industrial pain points through its specific hardware design:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Path Reliability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe \"R\" designation signifies redundant media support. Two separate ControlNet cables connect to the Comm A and Comm B ports. If a cable breaks or a signal drops on one path, the adapter automatically switches to the secondary line without interrupting process data.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Inrush Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module handles an inrush current of 23A for 2 milliseconds. This robust power circuit design prevents nuisance tripping of power supplies during system startup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModular Expansion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe adapter drives up to 8 Flex I\/O modules, delivering 640 mA to the Flexbus. This allows engineers to scale I\/O density on a single network node, reducing the cost per point.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHarsh Environment Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith IEC 60068-2-27 shock ratings and an operating range down to -20 °C, this adapter survives in non-climate-controlled cabinets and high-vibration machinery zones.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow do the LED indicators assist in troubleshooting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1794-ACNR features three bi-color (red\/green) LEDs: Comm A, Comm B, and I\/O Status. These indicators instantly signal whether a specific network path has failed, if the adapter has established a connection with the scanner, or if an internal module fault exists, significantly reducing downtime during diagnostics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat cable type does the 1794-ACNR require?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis module utilizes standard ControlNet coax media. Ensure you use 12 AWG (3.31 mm²) stranded cable with a maximum insulation thickness of 1.2 mm to maintain signal integrity at the 5 Mbps transfer rate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install this module on a standard DIN rail?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 1794-ACNR snaps directly onto a standard 35mm DIN rail. For high-vibration environments, we recommend using end anchors to prevent lateral movement along the rail.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this unit compatible with non-redundant ControlNet systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. You can use the 1794-ACNR in non-redundant applications by connecting a single cable to Port A; however, the redundancy benefits only activate when both ports connect to separate network media.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53423014379704,"sku":"1794-ACNR","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1794-ACNR.jpg?v=1777538871","url":"https:\/\/www.globalpetroparts.com\/products\/1794-acnr-allen-bradley-flex-i-o-controlnet-redundant-media-adapter","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}