{"product_id":"allen-bradley-1756-cn2r-communication-bridge-module","title":"Allen-Bradley 1756-CN2R ControlLogix ControlNet Communication Bridge Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1756-CN2R is a high-performance ControlLogix communication bridge module designed for seamless integration within ControlNet networks. This dual-channel interface module supports redundant media configurations, ensuring high availability and robust data exchange for industrial automation systems. It serves as a critical link in the ControlLogix architecture, facilitating efficient communication between controllers and distributed I\/O devices.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDual-channel interface for reliable network connectivity.\u003c\/li\u003e\n\u003cli\u003eSupports redundant media to minimize downtime in critical applications.\u003c\/li\u003e\n\u003cli\u003eControlNet communication rate of 5 Mbps.\u003c\/li\u003e\n\u003cli\u003eCapacity for up to 128 Logix connections.\u003c\/li\u003e\n\u003cli\u003eScalable architecture supporting up to 99 nodes on the network.\u003c\/li\u003e\n\u003cli\u003eDirectly mounts into the ControlLogix chassis for high-speed backplane communication.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e1756-CN2R\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\u003eLogix Connections\u003c\/td\u003e\n\u003ctd\u003e128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNode Capacity\u003c\/td\u003e\n\u003ctd\u003e99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e5.1 Volts DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\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 1756-CN2R module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is fully seated in the chassis slot and the locking tabs are secured.\u003c\/li\u003e\n\u003cli\u003eUse appropriate shielded ControlNet cabling to maintain signal integrity and minimize interference from high-EMI sources.\u003c\/li\u003e\n\u003cli\u003eFollow standard ESD (Electrostatic Discharge) mitigation protocols when handling the module to protect internal circuitry.\u003c\/li\u003e\n\u003cli\u003eEnsure proper grounding of the chassis and network shield to maintain system stability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the 1756-CN2R?\u003c\/strong\u003e\u003cbr\u003eThe 1756-CN2R is a bridge module that enables a ControlLogix controller to communicate over a ControlNet network, supporting both standard and redundant media setups.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this module support redundant media?\u003c\/strong\u003e\u003cbr\u003eYes, the 1756-CN2R is specifically designed to support redundant media, providing a backup physical path for network data to ensure continuous operation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":44052374945882,"sku":"1756-CN2R","price":56.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_5f02e8ad-b29c-4b46-83b2-64acfb2715b3.jpg?v=1789179373","url":"https:\/\/www.spareoil.com\/es\/products\/allen-bradley-1756-cn2r-communication-bridge-module","provider":"SpareOil Automation","version":"1.0","type":"link"}