{"product_id":"ab-allen-bradley-1756-en3tr-fw-controllogix-ethernet-ip-module","title":"AB Allen Bradley 1756-EN3TR FW ControlLogix Ethernet IP Module","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-EN3TR\u003c\/strong\u003e is a high-performance EtherNet\/IP communication module for ControlLogix systems. It supports advanced network topologies such as Device Level Ring (DLR) and linear configurations, enabling reliable, high-speed data exchange between controllers, I\/O devices, HMIs, and other Ethernet-enabled components.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e 1756-EN3TR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Rockwell Automation \/ Allen-Bradley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEthernet Ports:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eTwo RJ45 ports (10\/100 Mbps, embedded switch)\u003c\/li\u003e\n\u003cli\u003eSupports DLR and linear topologies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB Port:\u003c\/strong\u003e One USB 1.1 port (12 Mbps, full speed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Connections:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e128 TCP\/IP connections\u003c\/li\u003e\n\u003cli\u003e256 CIP connections (explicit or implicit)\u003c\/li\u003e\n\u003cli\u003eUp to 128 CIP motion axes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Current Draw:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e1.0 A @ 5.1 VDC\u003c\/li\u003e\n\u003cli\u003e3 mA @ 24 VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e 5.1 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Dissipation:\u003c\/strong\u003e 17.4 BTU\/hr\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Voltage:\u003c\/strong\u003e 30 V (continuous), tested at 980 V AC for 60 s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Any slot in 1756 chassis (A4, A7, A10, A13, A17)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0 to 60 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e –40 to 85 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity Range:\u003c\/strong\u003e 5–95% non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Type:\u003c\/strong\u003e Open-type (requires rated enclosure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e UL, CE, CSA, ATEX, IECEx (Class I Div 2 Groups A–D)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse shielded or unshielded twisted-pair Ethernet cables compliant with IEEE 802.3.\u003c\/li\u003e\n\u003cli\u003eSupports RIUP (Removal and Insertion Under Power).\u003c\/li\u003e\n\u003cli\u003eIP address configuration: rotary switches, BOOTP\/DHCP, or USB setup.\u003c\/li\u003e\n\u003cli\u003eFollow grounding and enclosure requirements per the official installation manual.\u003c\/li\u003e\n\u003cli\u003eCompatible with Studio 5000 and FactoryTalk Linx for configuration and diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":42513880121411,"sku":"1756-EN3TR","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/1756-EN3TR.png?v=1755845965","url":"https:\/\/www.plcdcspro.com\/products\/ab-allen-bradley-1756-en3tr-fw-controllogix-ethernet-ip-module","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}