{"product_id":"redundant-controlnet-bridge-1756-cn2rxt-allen-bradley-xt","title":"Redundant ControlNet Bridge 1756-CN2RXT Allen Bradley XT","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1756-CN2RXT is a ControlLogix-XT redundant media ControlNet bridge module for extended temperature applications. It provides dual BNC ports for redundant ControlNet networks, supporting 128 Logix connections and 99 nodes at 5 Mbps with operation from -25 to +70 °C.\u003c\/p\u003e\n\u003ch3\u003eKey Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication rate:\u003c\/strong\u003e 5 Mbps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogix connections:\u003c\/strong\u003e 128 (131 max with 3 reserved for redundant control)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax nodes:\u003c\/strong\u003e 99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePorts:\u003c\/strong\u003e 2 ControlNet BNC, 1 USB 1.1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent draw:\u003c\/strong\u003e 1300 mA @ 5.1 V DC, 3 mA @ 24 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower dissipation:\u003c\/strong\u003e 6.6 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e -25 to +70 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.293 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExtended temperature rating for harsh industrial environments\u003c\/li\u003e\n\u003cli\u003eRedundant media support ensures network availability on single cable failure\u003c\/li\u003e\n\u003cli\u003e128 Logix connections support large distributed control architectures\u003c\/li\u003e\n\u003cli\u003eUSB port enables local module configuration and diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat cable is required for ControlNet?\u003c\/strong\u003e 1786-RG6 quad-shield RG6 coaxial cable with BNC connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the difference between CN2RXT and CN2R?\u003c\/strong\u003e The CN2RXT is the ControlLogix-XT variant rated for -25 to +70 °C; the CN2R operates from 0 to 60 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many connections are available?\u003c\/strong\u003e 128 standard Logix connections plus 3 reserved for redundant control, totaling 131.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMounting Steps\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInstall the module in any slot of a ControlLogix-XT chassis.\u003c\/li\u003e\n\u003cli\u003eConnect the dual BNC ports to the redundant ControlNet network using 1786-RG6 cable.\u003c\/li\u003e\n\u003cli\u003eConfigure the module in Studio 5000 Logix Designer.\u003c\/li\u003e\n\u003cli\u003eSet the ControlNet node address via software.\u003c\/li\u003e\n\u003cli\u003eVerify network status LEDs indicate active communication on both channels.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eBuying Advice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChoose 1756-CN2RXT for extreme temperature installations requiring redundant ControlNet.\u003c\/li\u003e\n\u003cli\u003eFor standard environments, the 1756-CN2R offers identical network functionality.\u003c\/li\u003e\n\u003cli\u003eCompatible with 1756-A4LXT, A5XT, A7XT, and A7LXT ControlLogix-XT chassis.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50194812862602,"sku":"1756-CN2RXT","price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/2818\/2154\/files\/1756-CN2RXT_2_d6c42576-e6e9-4066-af15-cf87c1491cee.jpg?v=1789375120","url":"https:\/\/www.cambiaplc.com\/products\/redundant-controlnet-bridge-1756-cn2rxt-allen-bradley-xt","provider":"Controlix Automation","version":"1.0","type":"link"}