{"product_id":"plc-allen-bradley-1756-cnbr-ser-e-controlnet-redundant-bridge-module","title":"Allen-Bradley | 1756-CNBR  | ControlLogix","description":"\u003ch2\u003eProduct Description: Allen-Bradley 1756-CNBR\u003c\/h2\u003e\r\n\u003cp\u003eThe Allen-Bradley 1756-CNBR is a ControlNet communication module with redundant media support, designed for use within ControlLogix systems. It allows for high-speed, deterministic communication between controllers and distributed devices over ControlNet networks. The module supports scheduled and unscheduled messaging and enables redundant media for increased system reliability.\u003c\/p\u003e\r\n\u003ch2\u003eKey Features\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eDual BNC connectors for redundant ControlNet media support\u003c\/li\u003e\r\n\u003cli\u003eSupports both scheduled (real-time) and unscheduled messaging\u003c\/li\u003e\r\n\u003cli\u003eAllows controller-to-controller and controller-to-I\/O communication\u003c\/li\u003e\r\n\u003cli\u003eEnables communication with ControlNet-based HMI, drives, and I\/O\u003c\/li\u003e\r\n\u003cli\u003eConfigurable via RSLogix 5000 or Studio 5000 software\u003c\/li\u003e\r\n\u003cli\u003eSupports ControlNet network diagnostic and management functions\u003c\/li\u003e\r\n\u003cli\u003eOptical isolation between the backplane and network ports\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eMedia Type\u003c\/strong\u003e: RG-6 coaxial with BNC connectors (redundant support)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCommunication Rate\u003c\/strong\u003e: 5 Mbps (ControlNet standard)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eBackplane Current Draw\u003c\/strong\u003e: 1.0 A at 5.1V DC\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e: 30V (continuous), basic insulation between backplane and network\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eModule Location\u003c\/strong\u003e: Any slot in a ControlLogix chassis\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eMaximum Network Nodes\u003c\/strong\u003e: 99 (logical)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: 0 to 60°C\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e: -40 to 85°C\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e: 5% to 95% non-condensing\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCertifications\u003c\/strong\u003e: UL, CE, CSA, KC, ATEX\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003eApplication Areas\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eReal-time control and I\/O over ControlNet\u003c\/li\u003e\r\n\u003cli\u003eDistributed motion and process control systems\u003c\/li\u003e\r\n\u003cli\u003eRedundant network architectures in critical environments\u003c\/li\u003e\r\n\u003cli\u003eHigh-speed data exchange between controllers and devices\u003c\/li\u003e\r\n\u003cli\u003eControlNet device integration in manufacturing systems\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch2\u003eAdvantages\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eRedundant media support enhances network reliability and fault tolerance\u003c\/li\u003e\r\n\u003cli\u003eProvides deterministic communication with low latency\u003c\/li\u003e\r\n\u003cli\u003eScalable architecture for complex automation systems\u003c\/li\u003e\r\n\u003cli\u003eSeamless integration with existing ControlNet infrastructure\u003c\/li\u003e\r\n\u003cli\u003eFully supported within the Rockwell Automation software environment\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Rabwellplc","offers":[{"title":"Default Title","offer_id":47062219686112,"sku":"30\/1756-CNBR\/推广","price":102.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0708\/1947\/9776\/files\/10_fa914f50-d21d-4a1e-96b0-082e5ad665cc.jpg?v=1740558346","url":"https:\/\/rabwellplc.com\/products\/plc-allen-bradley-1756-cnbr-ser-e-controlnet-redundant-bridge-module","provider":"Rabwellplc","version":"1.0","type":"link"}