{"product_id":"1794-acn15-controlnet-communication-adapter-allen-bradley","title":"1794-ACN15 ControlNet Communication Adapter Allen-Bradley","description":"\u003ch3\u003eNetwork Architecture Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #004080;\"\u003e1794-ACN15\u003c\/strong\u003e functions as a high-performance ControlNet communication adapter built for the \u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/allen-bradley-1794-flex-i-o\"\u003e\u003cstrong style=\"color: #004080;\"\u003eFlex I\/O\u003c\/strong\u003e\u003c\/a\u003e architecture by \u003cstrong style=\"color: #004080;\"\u003eAllen-Bradley\u003c\/strong\u003e (Rockwell Automation). This \u003cstrong style=\"color: #004080;\"\u003e1794 Series\u003c\/strong\u003e module bridges field input and output modules to redundant media ControlNet networks at transmission speeds up to 5 Mbps while converting power for up to 8 adjacent I\/O cards.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specification Matrix\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer \/ Brand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation \/ Allen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel \/ Catalog Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong style=\"color: #004080;\"\u003e1794-ACN15\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series \/ Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlex I\/O Redundant Media ControlNet Adapter Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Protocol \u0026amp; Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControlNet via Belden RG-6\/U coaxial cable, 5 Mbps rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19.2 to 31.2 V DC (Nominal 24 V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Output Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e640 mA maximum at 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower \u0026amp; Thermal Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.4 W max power dissipation; 15.7 BTU\/hr max thermal output at 19.2 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-25 degrees Celsius to +55 degrees Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCommercial Terms and Logistics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFactory Warranty: Full 12-month structural and operational integrity coverage\u003c\/li\u003e\n\u003cli\u003eFulfillment Schedule: 24 to 48 hour dispatch window from warehouse stock\u003c\/li\u003e\n\u003cli\u003eGlobal Courier Partners: Express delivery via FedEx, UPS, and DHL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTarget Equipment and Application Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManages distributed control data collection across large-scale continuous process manufacturing plants.\u003c\/li\u003e\n\u003cli\u003eInterfaces Flex I\/O chassis blocks with ControlNet backbone controllers in oil refineries.\u003c\/li\u003e\n\u003cli\u003eDeploys in hazardous North American Division 2 and European Zone 2 classified plant areas.\u003c\/li\u003e\n\u003cli\u003eIntegrates into material handling conveyor networks requiring deterministic real-time communication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem Diagnostic and Monitoring Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTri-color status LEDs (Comm A, Comm B, and I\/O Status) provide real-time dual-channel network health feedback.\u003c\/li\u003e\n\u003cli\u003eInrush current monitoring protects internal circuitry during sudden 23A power surges up to 2 milliseconds.\u003c\/li\u003e\n\u003cli\u003eGalvanic isolation testing up to 860V AC safeguards system logic from high-voltage transient spikes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eInstrumentation engineers setting up redundant ControlNet media loops often face intermittent packet drops due to improper coaxial termination or grounding issues. Global PLC Spare HUB recommends utilizing certified Belden RG-6\/U cable and securing the module directly to a zinc-plated yellow-chromate steel DIN rail to ensure low-impedance chassis grounding. Pairing the \u003cstrong style=\"color: #004080;\"\u003e1794-ACN15\u003c\/strong\u003e with stable 24V DC power supplies prevents brownouts during high backplane current loads.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum number of I\/O modules that a single adapter can support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOne adapter can control and supply backplane power to a maximum of 8 Flex I\/O modules simultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat coaxial cable specifications are required for the ControlNet port connection?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe network port requires Belden RG-6\/U coaxial cable or an equivalent approved high-frequency cable type.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the adapter handle power conversion for adjacent modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt accepts an external 24V DC input and converts it to 5V DC backplane power, delivering up to 640 mA of output current to the bus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the wiring gauge restrictions for terminal power supply connections?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSingle wire connections accept 22 to 12 AWG solid or stranded copper wire, while double wire connections require 22 to 16 AWG wire rated at 75 degrees Celsius or greater.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module carry hazardous location certifications for heavy industrial use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, it holds North American Class 1 Zone 2 and European Zone 2 hazardous location approvals along with an IP20 protection rating.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013904621750,"sku":"1794-ACN15","price":103.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1794-ACN15.jpg?v=1789025448","url":"https:\/\/www.plcsparehub.com\/products\/1794-acn15-controlnet-communication-adapter-allen-bradley","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}