{"product_id":"allen-bradley-1756-en2tr-ethernet-ip-bridge","title":"Allen-Bradley 1756-EN2TR ControlLogix EtherNet\/IP Communication Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1756-EN2TR is a high-performance EtherNet\/IP communication module designed for the ControlLogix platform. It provides seamless integration into industrial automation networks, supporting linear, star, and device-level ring (DLR) topologies. This module facilitates real-time I\/O messaging and message exchange, ensuring robust connectivity for complex control systems.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDual RJ45 Ethernet ports supporting 10\/100 Mbps communication.\u003c\/li\u003e\n\u003cli\u003eSupports Device-Level Ring (DLR) for media redundancy without external switches.\u003c\/li\u003e\n\u003cli\u003eCapacity for up to 128 TCP connections and 256 CIP connections.\u003c\/li\u003e\n\u003cli\u003eIntegrated USB port for temporary local configuration and firmware updates.\u003c\/li\u003e\n\u003cli\u003eSupports multicast tag limit of 32.\u003c\/li\u003e\n\u003cli\u003eOptimized for real-time control with high I\/O packet processing rates.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAutomotive manufacturing (assembly, welding, and painting lines).\u003c\/li\u003e\n\u003cli\u003eWater treatment and energy management (SCADA systems, pumping stations).\u003c\/li\u003e\n\u003cli\u003eFood and beverage packaging and filling equipment.\u003c\/li\u003e\n\u003cli\u003eMarine and offshore engineering (ship monitoring and positioning systems).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-EN2TR\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\u003ctr\u003e\n\u003ctd\u003eCommunication Rate\u003c\/td\u003e\n\u003ctd\u003e10\/100 Mbps (Full\/Half Duplex)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnections\u003c\/td\u003e\n\u003ctd\u003e128 TCP \/ 256 CIP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw\u003c\/td\u003e\n\u003ctd\u003e5.1V DC @ 1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e5.1 W\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\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration\u003c\/td\u003e\n\u003ctd\u003e2 g @ 10 to 500 Hz\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.\u003c\/li\u003e\n\u003cli\u003eUse shielded Category 5 Ethernet cabling for all network connections to minimize EMI.\u003c\/li\u003e\n\u003cli\u003eThe USB port is for temporary configuration only; do not use in hazardous locations.\u003c\/li\u003e\n\u003cli\u003eWhen using older 1756-ENBT modules in the same chassis, avoid \"Rack Optimized\" communication formats to prevent potential conflicts.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate ventilation within the cabinet to maintain operating temperatures below 60 degC.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003ch3\u003eHow many ports does the module have?\u003c\/h3\u003e\u003cp\u003eThe module features two RJ45 Ethernet ports for network connectivity and one USB port for temporary local configuration.\u003c\/p\u003e\u003ch3\u003eWhat is the maximum connection capacity?\u003c\/h3\u003e\u003cp\u003eThe 1756-EN2TR supports up to 256 CIP connections and 128 TCP\/IP connections.\u003c\/p\u003e\u003ch3\u003eCan the USB port be used for permanent communication?\u003c\/h3\u003e\u003cp\u003eNo, the USB port is strictly for temporary configuration and must not be used in hazardous locations.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50828197986556,"sku":"1756-EN2TR","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_278e1f88-ee4c-4b8e-8042-7ead02fb6bd1.jpg?v=1785545565","url":"https:\/\/www.electronicplc.com\/products\/allen-bradley-1756-en2tr-ethernet-ip-bridge","provider":"Electronic PLC","version":"1.0","type":"link"}