{"product_id":"controllogix-communication-module-allen-bradley-1756-cn2r","title":"ControlLogix Communication Module Allen Bradley 1756-CN2R","description":"\u003ch2\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1756‑CN2R\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControlNet communication bridge module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eused within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControlLogix platform\u003c\/strong\u003e. It enables controllers, I\/O modules, and other devices to communicate over a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eredundant ControlNet network\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe module supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edual BNC ports\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor redundant media, ensuring\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econtinuous operation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eeven if one network path fails. In addition, it can handle\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eup to 100 connections\u003c\/strong\u003e, making it suitable for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elarge and complex automation systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eValued for its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003erobust communication, redundancy features, and seamless integration\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith Rockwell Automation Logix controllers, the 1756‑CN2R is widely deployed in industries requiring\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh availability and deterministic communication\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical Data\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eControlNet Communication Bridge Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e14 × 13 × 3.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.25 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eRedundant ControlNet Networks\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eProvides dual-media communication for high-availability automation systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProcess Automation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUsed in chemical, petrochemical, and refining plants for reliable controller-to-I\/O communication.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePower Generation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEnsures deterministic communication in turbine and boiler control systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eManufacturing\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eApplied in automotive, food \u0026amp; beverage, and packaging industries requiring synchronized control.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCritical Infrastructure\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSupports redundant communication in mission-critical facilities such as oil \u0026amp; gas pipelines and utilities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExample:\u003c\/strong\u003e\u003cbr\u003eIn a refinery automation system, the 1756‑CN2R ensures\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econtinuous communication\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebetween controllers and distributed I\/O, even if one ControlNet path fails. Its ability to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emanage up to 100 connections\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emakes it suitable for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elarge-scale automation networks\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the primary function of the 1756‑CN2R?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eredundant ControlNet communication\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor ControlLogix systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: How many connections can it handle?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eup to 100 connections\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esimultaneously.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What type of ports does it have?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA3:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIt features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etwo BNC ControlNet ports (A\/B)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor redundant media.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is the module still active?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA4:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, it is listed as an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eActive Mature Product\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eby Rockwell Automation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: What industries typically use this module?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA5:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnergy, petrochemical, manufacturing, and critical infrastructure sectors.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51474610323768,"sku":"1756-CN2R","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/1756-CN2R2_e620b55c-48b2-4a70-89b0-3ea3206aad1a.jpg?v=1764905007","url":"https:\/\/www.automodulexpert.com\/ru\/products\/controllogix-communication-module-allen-bradley-1756-cn2r","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}