{"product_id":"1756-en4tr-allen-bradley-controllogix-ethernet-ip-communication-module","title":"1756-EN4TR | Allen-Bradley ControlLogix EtherNet\/IP Communication Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-EN4TR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erepresents the pinnacle of communication hardware for the ControlLogix 5580 platform. This high-capacity EtherNet\/IP module facilitates high-speed data exchange, bridging the gap between controller-level logic and enterprise-level analytics. It supports Gigabit Ethernet speeds and manages massive connection counts for complex, data-intensive industrial applications. We offer this module as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your network infrastructure utilizes the latest hardware revisions for maximum security and throughput.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1756-EN4TR delivers significantly expanded bandwidth and connection density compared to legacy EN2T modules.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAllen-Bradley \/ Rockwell Automation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Line:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eControlLogix\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-Capacity EtherNet\/IP Communication Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMedia Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDual Copper Media (RJ45)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Rates:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e10 Mbps, 100 Mbps, and 1 Gbps (Gigabit)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum TCP Connections:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e512 Connections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum CIP I\/O Connections:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1,000 Connections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHMI\/Messaging Connections:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e528 Connections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUnconnected Message Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e256 Backplane \/ 256 Ethernet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork Topologies:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDevice Level Ring (DLR), Linear, and Star\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSocket Services:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFully Supported\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.69 lbs (0.31 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGigabit Backbone Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1756-EN4TR introduces 1 Gbps communication rates to the 1756 chassis. This tenfold increase in bandwidth over standard modules eliminates network bottlenecks in applications involving high-definition vision systems or large-scale distributed I\/O.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMassive Connection Density:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith the ability to manage 1,000 CIP I\/O connections and 512 TCP connections, a single 1756-EN4TR replaces multiple legacy adapters. This consolidation reduces chassis slot consumption and simplifies the network architecture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Network Resiliency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe integrated embedded switch supports Device Level Ring (DLR) topologies. This feature allows the network to recover from a single cable break in milliseconds, maintaining deterministic control and preventing costly process interruptions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhanced Socket Services:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module natively supports socket services, enabling direct communication with third-party devices like printers, barcode scanners, and non-Logix controllers using standard TCP or UDP protocols.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFuture-Proof Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOptimized for the ControlLogix 5580 series, this module leverages the high-speed backplane to ensure data moves at the maximum speed the processor allows, facilitating advanced IIoT and Industry 4.0 data harvesting.\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\u003eHow does the 1756-EN4TR improve upon the 1756-EN2TR?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1756-EN4TR provides Gigabit (1 Gbps) speeds and supports roughly four times the TCP connection capacity of the EN2TR. It specifically addresses the needs of modern, data-heavy \"Smart Factories\" where legacy 100 Mbps modules struggle with traffic congestion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the 1756-EN4TR in older ControlLogix chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. While it performs best in Series C chassis with 5580 controllers, you can install the 1756-EN4TR in standard 1756 I\/O chassis to upgrade existing network segments. Always verify that your firmware version in Studio 5000 supports the EN4TR profile.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support \"Removal and Insertion Under Power\" (RIUP)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Like most ControlLogix modules, you can install or remove the 1756-EN4TR while the chassis is powered. However, removing the communication module will immediately break the network path for all devices routed through its ports, so verify process safety before removal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a genuine, factory-sealed unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe guarantee that every 1756-EN4TR we ship is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e. It arrives in the original Allen-Bradley factory box with the UPC (889508721071) intact, ensuring you receive the full benefit of current manufacturing standards and hardware security.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52590529020213,"sku":"1756-EN4TR","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1756-EN4TR.jpg?v=1776414046","url":"https:\/\/www.5gplc.com\/products\/1756-en4tr-allen-bradley-controllogix-ethernet-ip-communication-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}