{"product_id":"allen-bradley-1757-en2tr-controllogix-ethernet-ip-communication-module","title":"Allen-Bradley 1757-EN2TR ControlLogix EtherNet\/IP Communication Module","description":"\u003ch2\u003eAllen-Bradley 1757-EN2TR ControlLogix EtherNet\/IP Communication Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for deterministic Ethernet data exchange in ControlLogix industrial networks, the \u003cstrong\u003eAllen-Bradley 1757-EN2TR\u003c\/strong\u003e (\u003cstrong\u003e1757-EN2TR\u003c\/strong\u003e EtherNet\/IP Communication Module) provides direct physical\/electrical execution for dual-port Ethernet communication, controller data transfer, and Device Level Ring (DLR) network connectivity.\u003c\/p\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\u003e1757-EN2TR\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.91 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eEtherNet\/IP Communication Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eEtherNet\/IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Ports\u003c\/td\u003e\n\u003ctd\u003e2 x Copper RJ45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort Speed\u003c\/td\u003e\n\u003ctd\u003e10\/100 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopology Support\u003c\/td\u003e\n\u003ctd\u003eLinear and Device Level Ring (DLR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTCP Connections\u003c\/td\u003e\n\u003ctd\u003e128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCIP Connections\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Packets per Second\u003c\/td\u003e\n\u003ctd\u003e20,000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotion Axis Support\u003c\/td\u003e\n\u003ctd\u003eUp to 8 axes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocal Programming Port\u003c\/td\u003e\n\u003ctd\u003e1 x USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eControlLogix chassis mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch Type\u003c\/td\u003e\n\u003ctd\u003eEmbedded switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eOpen-style, none\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL, CE, RoHS compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003eUp to 95 %RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Acceleration\u003c\/td\u003e\n\u003ctd\u003e2 g max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperational Vibration Frequency\u003c\/td\u003e\n\u003ctd\u003e500 Hz max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP Deterministic Network Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1757-EN2TR provides dual Ethernet interfaces with embedded switch functionality for ControlLogix communication architectures. The module supports EtherNet\/IP deterministic networks using linear and Device Level Ring (DLR) topologies for controller, I\/O, and supervisory communication paths.\u003c\/p\u003e\n\u003cp\u003eThe embedded switch enables network configuration flexibility by allowing ring and line arrangements without requiring an external Ethernet switch for these topologies. The module supports I\/O density scaling through high-volume packet processing capability and multiple simultaneous communication connections.\u003c\/p\u003e\n\u003cp\u003eFirmware flash compatibility between the communication module and ControlLogix controller platform must be verified to maintain correct EtherNet\/IP operation and network integration.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: What Ethernet topology modes are supported by the 1757-EN2TR?\u003cbr\u003eA: The module supports linear topology and Device Level Ring (DLR) topology using its dual copper RJ45 Ethernet ports.\u003c\/p\u003e\n\u003cp\u003eQ: How many communication connections can the 1757-EN2TR support?\u003cbr\u003eA: The module supports up to 128 TCP connections and 260 CIP connections.\u003c\/p\u003e\n\u003cp\u003eQ: Does the 1757-EN2TR include a programming interface?\u003cbr\u003eA: Yes. The module includes one USB port intended for local programming access.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1757-EN2TR in a compatible ControlLogix chassis slot according to the system hardware configuration requirements. Verify proper module seating and backplane connection before applying power.\u003c\/p\u003e\n\u003cp\u003eConnect Ethernet cables to the RJ45 ports using industrial Ethernet installation practices. Maintain separation between communication cables and high-current power conductors to reduce electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003eFor DLR installations, verify ring topology wiring, device addressing, and network configuration before system operation. Apply proper cable shielding and grounding methods according to the control cabinet design.\u003c\/p\u003e\n\u003cp\u003eBefore commissioning, verify EtherNet\/IP network parameters, controller communication settings, firmware compatibility, and module diagnostic status through the ControlLogix engineering environment.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43649373274202,"sku":"1757-EN2TR","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1757-EN2TR2.jpg?v=1783914923","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1757-en2tr-controllogix-ethernet-ip-communication-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}