{"product_id":"allen-bradley-1756-en2txt-controllogix-ethernet-ip-extended-temperature-bridge","title":"Allen Bradley 1756-EN2TXT ControlLogix EtherNet\/IP Extended Temperature Bridge","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1756-EN2TXT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-performance communication bridge within the ControlLogix platform, specifically engineered for extreme environmental conditions. This module facilitates high-speed EtherNet\/IP data exchange, allowing a ControlLogix chassis to connect with remote I\/O, other controllers, and HMI systems. The \"XT\" designation signifies the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eExtended Temperature\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erating, enabling the hardware to operate reliably in environments that exceed standard commercial limits. We supply this module as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Factory Original\u003c\/strong\u003e, ensuring your critical network infrastructure benefits from the full performance specifications of a zero-hour unit.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1756-EN2TXT utilizes a dual-port architecture with an embedded switch to manage high-volume network traffic:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh Performance Bridge w\/ Embedded Switch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Rate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10\/100 Mbps (Auto-sensing)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEthernet Ports\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 x RJ45 Cat 5\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTCP\/IP Connections\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLogix Connections\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e256\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Draw (5.1V DC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.0 Ampere\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUSB Port\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSB 1.1 Full-Speed (12 Mbps) for Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSlot Width\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 (Single Slot)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLocation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAny slot in a ControlLogix Chassis\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.50 lbs (0.23 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtended Temperature Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1756-EN2TXT withstands extreme thermal fluctuations. This makes it the primary choice for remote terminal units (RTUs), outdoor control cabinets, and oil-and-gas field applications where standard communication modules often suffer from thermal-induced logic errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Device Level Ring (DLR):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe embedded switch supports DLR topology. This allows the network to maintain communication even if a single point in the ring fails, providing the high availability necessary for mission-critical process control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Connection Density:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith support for 128 TCP\/IP and 256 Logix connections, this module manages massive data throughput. It prevents network bottlenecks in complex architectures involving multiple HMIs, high-speed drives, and distributed I\/O racks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Configuration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe integrated USB 1.1 port enables rapid local diagnostics and IP address assignment. Engineers can configure the module directly from a laptop without requiring an established Ethernet connection, reducing commissioning time in the field.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Chassis Placement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module installs into any available slot in a standard or \"XT\" ControlLogix chassis. It draws power directly from the backplane, eliminating the need for external power wiring and simplifying cabinet cable management.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 1756-EN2TXT 100% Brand New?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We supply this unit in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econdition, including the original factory-sealed box. We do not provide refurbished or used surplus, as communication bridges in extreme environments require fresh components to guarantee the advertised MTBF (Mean Time Between Failures).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 1756-EN2T and the 1756-EN2TXT?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1756-EN2TXT includes specialized \"XT\" (Extended Temperature) components and often features conformal coating to protect against harsh atmospheres. It operates in much wider temperature ranges than the standard 1756-EN2T.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support \"Hot Swapping\"?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the 1756-EN2TXT supports Removal and Insertion Under Power (RIUP). You can replace the module without shutting down the entire chassis, though you must consider the temporary loss of network communication for the associated nodes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the two Ethernet ports for two separate networks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe embedded switch typically treats the two ports as part of the same network (Linear or DLR topology). They share a single IP address to facilitate daisy-chaining and ring redundancy rather than acting as independent network interfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53453144031416,"sku":"1756-EN2TXT","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1756-EN2TXT.jpg?v=1778487886","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1756-en2txt-controllogix-ethernet-ip-extended-temperature-bridge","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}