{"product_id":"allen-bradley-1756-cnb-e-controlnet-bridge-module","title":"Allen-Bradley 1756-CNB\/E ControlLogix ControlNet Communication Bridge Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1756-CNB\/E is a ControlLogix ControlNet communication bridge module designed to facilitate high-speed data exchange between ControlLogix controllers and other devices on a ControlNet network. This module acts as a bridge, allowing for efficient communication and control across distributed I\/O, peer-to-peer messaging, and controller-to-controller data transfer.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupports up to 99 nodes on a single ControlNet network.\u003c\/li\u003e\n\u003cli\u003eProvides up to 64 communication connections.\u003c\/li\u003e\n\u003cli\u003eStandard ControlNet communication rate of 5 Mbps.\u003c\/li\u003e\n\u003cli\u003eDesigned for seamless integration within the ControlLogix chassis environment.\u003c\/li\u003e\n\u003cli\u003eOptimized for deterministic, high-speed industrial communication.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e1756-CNB\/E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eControlNet Bridge Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Rate\u003c\/td\u003e\n\u003ctd\u003e5 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Nodes\u003c\/td\u003e\n\u003ctd\u003e99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Connections\u003c\/td\u003e\n\u003ctd\u003e64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current (5.1V DC)\u003c\/td\u003e\n\u003ctd\u003e970 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current (24V DC)\u003c\/td\u003e\n\u003ctd\u003e1.7 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e17.4 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the ControlLogix chassis is powered down before inserting or removing the module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eSlide the module into the designated chassis slot and secure it using the top and bottom latches.\u003c\/li\u003e\n\u003cli\u003eEnsure proper grounding of the ControlLogix chassis to a common ground point to minimize EMI interference.\u003c\/li\u003e\n\u003cli\u003eUse shielded ControlNet cabling and appropriate tap connectors to maintain network integrity.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is firmly seated and the backplane connector is fully engaged.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 1756-CNB\/E?\u003c\/h3\u003e\u003cp\u003eThe 1756-CNB\/E serves as a communication bridge that allows ControlLogix controllers to communicate over the ControlNet network, supporting I\/O control and messaging.\u003c\/p\u003e\u003ch3\u003eCan this module be hot-swapped?\u003c\/h3\u003e\u003cp\u003eYes, the ControlLogix system supports Removal and Insertion Under Power (RIUP), allowing you to replace the module without powering down the entire chassis, provided the environment is not hazardous.\u003c\/p\u003e\u003ch3\u003eWhat is the communication speed of this module?\u003c\/h3\u003e\u003cp\u003eThe module operates at a fixed ControlNet communication rate of 5 megabits per second.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50965558558972,"sku":"1756-CNB\/E","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_a3e815dc-e35a-46ab-8119-d026c4f9e4b5.jpg?v=1786413085","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1756-cnb-e-controlnet-bridge-module","provider":"Electronic PLC","version":"1.0","type":"link"}