{"product_id":"allen-bradley-1756-en3tr-controllogix-ethernet-communication-module","title":"Allen Bradley 1756-EN3TR | ControlLogix Ethernet Communication Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen Bradley\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN3TR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a ControlLogix Ethernet communication module designed as an I\/P bridge for industrial automation networks. It supports two 10\/100 Mbps RJ-45 ports and one USB port, enabling versatile connectivity for control systems.\u003c\/p\u003e\n\u003cp\u003eThis module manages up to 128 CIP motion axes and 256 Logix connections, offering real-time I\/O messaging for complex automation processes. Its embedded switch technology allows linear, star, and device-level ring (DLR) network topologies, enhancing network reliability.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN3TR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emounts in any 1756 chassis slot and draws 1 A at 5.1 VDC and 3 mA at 24 VDC from the backplane. Its open enclosure design and 32–140°F (0–60°C) operating temperature make it suitable for industrial environments.\u003c\/p\u003e\n\u003cp\u003eWith a maximum power consumption of 5.1 W and thermal dissipation of 17.4 BTU\/hr, the module balances performance with energy efficiency. Its insulation voltage of 30 VDC ensures safe operation under typical industrial conditions.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSupports two Ethernet ports (10\/100 Mbps) and one USB port (12 Mbps).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEmbedded switch technology for linear, star, and DLR topologies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eControls up to 128 CIP motion axes and 256 Logix connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMounts in any 1756 chassis slot, compatible with 1756-A4 to A17 models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBackplane current: 1 A at 5 VDC, 3 mA at 24 VDC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower consumption: 5.1 W; thermal dissipation: 17.4 BTU\/hr.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOpen enclosure design with 30 VDC insulation voltage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOperating temperature: 0–60°C (32–140°F).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports integrated motion control and EtherNet\/IP protocol.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation – Allen Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1756-EN3TR\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eEthernet Communication Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Ports\u003c\/td\u003e\n\u003ctd\u003e2 x RJ-45, 10\/100 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Port\u003c\/td\u003e\n\u003ctd\u003e1, 12 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Topologies\u003c\/td\u003e\n\u003ctd\u003eLinear, Star, Device Level Ring (DLR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated Motion Axes\u003c\/td\u003e\n\u003ctd\u003eUp to 128 CIP motion axes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Logix Connections\u003c\/td\u003e\n\u003ctd\u003e256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5V)\u003c\/td\u003e\n\u003ctd\u003e1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (24V)\u003c\/td\u003e\n\u003ctd\u003e3 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\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\u003eInsulation Voltage\u003c\/td\u003e\n\u003ctd\u003e30 VDC continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eAny 1756 Chassis Slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eOpen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0–60°C (32–140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eIndustrial Applications\u003c\/h3\u003e\n\u003cp\u003eThe Allen Bradley\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN3TR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule is ideal for industrial Ethernet networks requiring robust communication. It integrates seamlessly with ControlLogix systems, supporting high-speed I\/O, motion control, and complex automation processes.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Is the Allen Bradley 1756-EN3TR brand new and original?\u003c\/strong\u003e\u003cbr\u003eYes, we provide\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ebrand new original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAllen Bradley ControlLogix modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Is the 1756-EN3TR available for immediate shipment?\u003c\/strong\u003e\u003cbr\u003eYes, inventory is ready and usually ships within 3 days to 2 weeks depending on order size.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What communication protocols are supported?\u003c\/strong\u003e\u003cbr\u003eIt supports EtherNet\/IP, linear, star, and device-level ring (DLR) topologies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: How many motion axes can the module control?\u003c\/strong\u003e\u003cbr\u003eIt supports up to 128 CIP motion axes and 256 Logix connections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Can the module be installed in any ControlLogix chassis?\u003c\/strong\u003e\u003cbr\u003eYes, it mounts in any 1756 chassis slot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ6: What is the operating temperature range?\u003c\/strong\u003e\u003cbr\u003eThe module operates reliably from 0–60°C (32–140°F).\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":50712426316072,"sku":"1756-EN3TR","price":256.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/1756-ESMCAP1_46d61ebd-a801-4d6b-9f50-5ce07c53a7b6.jpg?v=1758270050","url":"https:\/\/www.powerdcs.com\/products\/allen-bradley-1756-en3tr-controllogix-ethernet-communication-module","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}