{"product_id":"allen-bradley-1756-en3tr-controllogix-ethernet-ip-module","title":"Allen-Bradley 1756-EN3TR ControlLogix EtherNet\/IP Module","description":"\u003cp\u003eConfigured for EtherNet\/IP bridge communication in ControlLogix automation systems, the \u003cstrong\u003eAllen-Bradley 1756-EN3TR\u003c\/strong\u003e (\u003cstrong\u003e1756-EN3TR\u003c\/strong\u003e EtherNet\/IP Module) provides direct physical and network data execution between ControlLogix backplane resources and Ethernet devices.\u003c\/p\u003e\n\u003ch3\u003eModel Configuration Overview\u003c\/h3\u003e\n\u003cp\u003eThe 1756-EN3TR is a ControlLogix EtherNet\/IP interface module with an embedded copper Ethernet switch function. The module supports distributed control communication, network bridging, and motion applications requiring synchronization with ControlLogix controllers.\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Feature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Type\u003c\/td\u003e\n\u003ctd\u003eEtherNet\/IP Bridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Interface\u003c\/td\u003e\n\u003ctd\u003eEmbedded Ethernet Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Medium\u003c\/td\u003e\n\u003ctd\u003eCopper Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotion Support\u003c\/td\u003e\n\u003ctd\u003eSupports up to 128 axes of motion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpare Model\u003c\/td\u003e\n\u003ctd\u003e1756EN3TR, 1756-EN3TR\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-EN3TR\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e5.1 x 15.2 x 15.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5.1 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eEtherNet\/IP Communication Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Platform\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5 VDC)\u003c\/td\u003e\n\u003ctd\u003e1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (24 VDC)\u003c\/td\u003e\n\u003ctd\u003e3 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Data Transfer Rate\u003c\/td\u003e\n\u003ctd\u003e12 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Voltage\u003c\/td\u003e\n\u003ctd\u003e30 V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP Network Architecture\u003c\/h3\u003e\n\u003cp\u003eThe 1756-EN3TR operates as an EtherNet\/IP communication interface within the ControlLogix chassis. Its embedded switch capability allows network device connections without requiring an external Ethernet switch for specific topologies.\u003c\/p\u003e\n\u003cp\u003eThe module supports deterministic EtherNet\/IP communication structures used for controller-to-controller messaging, I\/O communication, and motion control applications. Network configuration parameters are managed through Rockwell Automation programming environments.\u003c\/p\u003e\n\u003cp\u003eThe ControlLogix backplane interface provides data exchange between the communication module and installed Logix controllers or I\/O modules. The module's firmware compatibility determines supported communication features and network services.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cp\u003eThe supplied configuration includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1756-EN3TR ControlLogix EtherNet\/IP Module\u003c\/li\u003e\n\u003cli\u003e1 x Installed ControlLogix chassis mounting interface\u003c\/li\u003e\n\u003cli\u003e1 x Factory hardware identification label\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdditional components required for operation:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eControlLogix chassis with compatible power supply\u003c\/li\u003e\n\u003cli\u003eEtherNet\/IP network cabling\u003c\/li\u003e\n\u003cli\u003eControlLogix programming software for configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003ch4\u003eChassis Mounting\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the module into a compatible ControlLogix chassis slot.\u003c\/li\u003e\n\u003cli\u003eConfirm chassis power is removed before module insertion or removal.\u003c\/li\u003e\n\u003cli\u003eVerify module seating and locking mechanism engagement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eNetwork Connection\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eUse industrial Ethernet cabling suitable for the installation environment.\u003c\/li\u003e\n\u003cli\u003eSeparate Ethernet communication wiring from high-voltage power conductors.\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding and shield termination practices according to site standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePower and Backplane Check\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm backplane power capacity before adding modules to the chassis.\u003c\/li\u003e\n\u003cli\u003eVerify 5 VDC and 24 VDC backplane current loading.\u003c\/li\u003e\n\u003cli\u003eCheck module status indicators after power application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat communication protocol does the 1756-EN3TR support?\u003c\/p\u003e\n\u003cp\u003eThe module supports EtherNet\/IP communication for ControlLogix systems, including network bridging and controller communication functions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the 1756-EN3TR include an Ethernet switch?\u003c\/p\u003e\n\u003cp\u003eYes. The module contains an embedded copper Ethernet switch function for supported network configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the backplane current requirement?\u003c\/p\u003e\n\u003cp\u003eThe module requires 1 A at 5 VDC and 3 mA at 24 VDC from the ControlLogix backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the module support motion applications?\u003c\/p\u003e\n\u003cp\u003eYes. The module supports applications requiring communication with up to 128 axes of motion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs the 1756-EN3TR hot-swappable?\u003c\/p\u003e\n\u003cp\u003eModule insertion and removal procedures must follow ControlLogix chassis installation requirements and approved operating conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat programming software is used for configuration?\u003c\/p\u003e\n\u003cp\u003eConfiguration is performed through Rockwell Automation programming tools compatible with ControlLogix EtherNet\/IP modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat Ethernet cable type is required?\u003c\/p\u003e\n\u003cp\u003eThe module uses copper Ethernet connections. Cable selection depends on network design and installation conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the module require external power wiring?\u003c\/p\u003e\n\u003cp\u003eNo. The module receives operating power through the ControlLogix chassis backplane connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066412814509,"sku":"1756-EN3TR","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1756-EN3TR33.jpg?v=1785425188","url":"https:\/\/www.maxwellplc.com\/products\/allen-bradley-1756-en3tr-controllogix-ethernet-ip-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}