{"product_id":"allen-bradley-1756-en2trxt-extreme-environment-module","title":"Allen-Bradley 1756-EN2TRXT ControlLogix-XT EtherNet\/IP Communication Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1756-EN2TRXT is a high-performance EtherNet\/IP bridge module designed for the ControlLogix-XT (Extreme Environment) series. This module provides reliable network connectivity in harsh industrial settings, including locations prone to high humidity, caustic gases, salt spray, and extreme temperature fluctuations. By utilizing dual-port embedded switch technology, it supports advanced network topologies such as linear and Device Level Ring (DLR) without the need for additional external hardware. The module integrates seamlessly with the ControlLogix backplane to manage I\/O messaging, diagnostic data, and safety-related communications over a unified EtherNet\/IP infrastructure.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRuggedized Design:\u003c\/strong\u003e Engineered to meet ANSI\/ISA-71.04-1985 Class G3 requirements for protection against atmospheric corrosives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmbedded Switch:\u003c\/strong\u003e Features two RJ45 ports for flexible star, linear, or DLR network configurations, enabling rapid recovery in ring topologies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Configuration:\u003c\/strong\u003e Includes a dedicated USB 1.1 port for local diagnostics and initial module setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpanded Temperature Range:\u003c\/strong\u003e Certified for operation in environments ranging from -25 degC to 70 degC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Capacity:\u003c\/strong\u003e Supports up to 256 CIP connections and 128 TCP\/IP connections for complex control architectures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-EN2TRXT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Rate\u003c\/td\u003e\n\u003ctd\u003e10\/100 Mbps (Auto-sensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-25 to 70 degC (-13 to 158 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Power\u003c\/td\u003e\n\u003ctd\u003e1.00 A at 5.1 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCIP Connections\u003c\/td\u003e\n\u003ctd\u003e256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTCP\/IP Connections\u003c\/td\u003e\n\u003ctd\u003e128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlot Requirements\u003c\/td\u003e\n\u003ctd\u003e1 Slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.40 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the ControlLogix-XT chassis is properly grounded before installing the module.\u003c\/li\u003e\n\u003cli\u003ePower down the chassis backplane before inserting or removing the 1756-EN2TRXT to prevent electrical arcing or damage to the backplane pins.\u003c\/li\u003e\n\u003cli\u003eUse shielded Category 5 or higher Ethernet cabling to maintain signal integrity in high-EMI industrial environments.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance around the module to ensure proper airflow and heat dissipation, especially when operating at the upper limits of the temperature range.\u003c\/li\u003e\n\u003cli\u003eHandle the module using standard ESD (Electrostatic Discharge) protection practices to prevent damage to sensitive internal circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary advantage of the -XT designation?\u003c\/h3\u003e\u003cp\u003eThe -XT designation indicates that the module is specifically built for extreme environments. It features conformal coating and specialized components that provide enhanced resistance to humidity, corrosive gases, salt spray, and extreme temperatures that would typically degrade standard industrial modules.\u003c\/p\u003e\u003ch3\u003eCan this module be used in a standard ControlLogix chassis?\u003c\/h3\u003e\u003cp\u003eYes, the 1756-EN2TRXT is compatible with standard ControlLogix chassis, though it is designed to complement the ruggedized ControlLogix-XT system. It occupies a single slot in any standard ControlLogix backplane.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51215501033724,"sku":"1756-EN2TRXT","price":98.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_ad185332-0deb-4f56-8207-66f14c8c16e2.jpg?v=1788298965","url":"https:\/\/www.electronicplc.com\/products\/allen-bradley-1756-en2trxt-extreme-environment-module","provider":"Electronic PLC","version":"1.0","type":"link"}