{"product_id":"1756-cn2r-allen-bradley-controllogix-controlnet-bridge-module","title":"1756-CN2R | Allen Bradley |ControlLogix ControlNet Bridge Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1756-CN2R\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as a high-capacity communication bridge within the ControlLogix platform. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal module facilitates deterministic, high-speed data transfer between Logix5000 controllers and other ControlNet devices. By supporting redundant media, it ensures system-wide availability and network resilience for mission-critical industrial automation architectures.\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\u003eProduct Line:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eControlLogix\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCommunication Bridge Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtocol:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eControlNet (Redundant)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Nodes:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e99\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Connections:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e131 (128 Logix connections)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Rate:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e5 Mbps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUSB Port Speed:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e12 Mbps (High-speed USB 2.0)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1300 mA @ 5.1V DC; 3 mA @ 24V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e6.7 Watts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e22.9 BTU\/hr\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0 to 60 °C (32 to 140 °F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSlot Width:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1 (Single slot)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Chassis:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFault-Tolerant Redundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTwo BNC connectors support redundant ControlNet media. This architecture allows the network to switch paths instantly if a cable breaks, preventing process interruptions in continuous manufacturing environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Networking:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupporting up to 99 nodes and 131 total connections, this module manages large-scale I\/O trees and multi-processor coordination without degrading network determinism.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Configuration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe integrated USB 2.0 port provides a direct localized access point for bridging to the backplane. Engineers can configure the module and monitor network health without searching for specialized serial cables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Chassis Placement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1756-CN2R fits into any available slot in a standard 1756 chassis. It works seamlessly with both standard and redundant power supplies (such as the 1756-PA75R), allowing for highly customized system builds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this 1756-CN2R unit a brand new product?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, we supply only\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand original Allen Bradley hardware in its original, factory-sealed packaging to guarantee optimal performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of cabling does this module require?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module requires 1786-RG6 quad-shield RG6 coaxial cable for ControlNet connections to maintain signal integrity and meet EMC requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the USB port for permanent data logging?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe USB port serves primarily as a temporary programming and configuration interface. Use the ControlNet ports for permanent, high-speed system data exchange.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support firmware updates?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, you can flash the module's firmware via the USB port or over the ControlNet network using ControlFlash software to access the latest features and security patches.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53276856484024,"sku":"1756-CN2R","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1756-CN2R.jpg?v=1775641673","url":"https:\/\/www.globalpetroparts.com\/products\/1756-cn2r-allen-bradley-controllogix-controlnet-bridge-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}