{"product_id":"1756-en2tk-allen-bradley-communication-module-controllogix","title":"1756-EN2TK Allen-Bradley COMMUNICATION MODULE ControlLogix","description":"\u003cp\u003eConfigured for high-capacity Ethernet\/IP communication protocols within industrial automation control systems, the \u003cstrong\u003eAllen-Bradley 1756-EN2TK\u003c\/strong\u003e (\u003cstrong\u003e1756EN2TK\u003c\/strong\u003e COMMUNICATION MODULE) provides direct physical\/electrical execution across backplane interfaces.\u003c\/p\u003e\n\u003ch3\u003eModel Identification and Suffix Architecture\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1756-EN2TK: Standard catalog base model incorporating conformal coating protection for corrosive industrial atmospheres.\u003c\/li\u003e\n\u003cli\u003e1756EN2TK: Spare part designation utilizing identical physical and electrical hardware footprints without software licensing variations.\u003c\/li\u003e\n\u003cli\u003eTP: Factory-designated terminal designation indicating high-capacity network access point framework and USB port integration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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-EN2TK\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 (Standard Factory Production)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.36 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e3.5 x 14 x 14.5 cm\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\u003e1.1 A at 5 VDC, 1 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Capacity\u003c\/td\u003e\n\u003ctd\u003e128 EtherNet\/IP nodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e1.1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Network Integration and Deterministic Performance\u003c\/h3\u003e\n\u003cp\u003eThe module executes deterministic network communication across ControlLogix racks via 128 simultaneous TCP\/IP and CIP connection pathways. Firmware flash compatibility ensures seamless backplane communication velocity updates without physical hardware replacement. EtherNet\/IP deterministic networks rely on dual-port configurations supporting Device-Level Ring (DLR) topologies to mitigate single-point cable failures while maintaining packet priority queues for real-time control data exchange.\u003c\/p\u003e\n\u003ch3\u003ePackage Ordering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1756-EN2TK Communication Module hardware unit\u003c\/li\u003e\n\u003cli\u003e1 x Integrated USB Configuration Port cover and protective terminal guard\u003c\/li\u003e\n\u003cli\u003e1 x Conformal Coated PCB assembly hardware package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical Setup and Grounding Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMounting Position: Install exclusively in standard ControlLogix chassis backplane slots, avoiding power supply adjacent slots to limit electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eChassis Grounding: Secure the module mounting screw directly to the grounded metal enclosure using low-impedance copper bonding straps.\u003c\/li\u003e\n\u003cli\u003eCable Shielding: Terminate industrial-grade Cat5e\/Cat6 STP cable shields to the DIN rail grounding clips prior to transceiver insertion.\u003c\/li\u003e\n\u003cli\u003eThermal Clearance: Maintain a minimum clearance of 50 mm above and below the rack assembly to facilitate passive convection cooling across the conformal-coated housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDoes this module support hot-insertion and removal under power?\n\u003cul\u003e\n\u003cli\u003eYes, the 1756-EN2TK supports Removal and Insertion Under Power (RIUP) within an active ControlLogix chassis without interrupting backplane operations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhat is the purpose of the conformal coating designation (T)?\n\u003cul\u003e\n\u003cli\u003eThe conformal coating protects internal circuitry against airborne contaminants, moisture, and corrosive gases typically found in harsh industrial processing environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eHow many maximum Ethernet nodes can be configured on this module?\n\u003cul\u003e\n\u003cli\u003eThe unit supports up to 128 active EtherNet\/IP connections for controllers, drives, and remote I\/O drops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eCan the USB port be used for routine PLC ladder logic programming?\n\u003cul\u003e\n\u003cli\u003eYes, the front-panel USB port provides temporary direct access for configuration, firmware flashing, and diagnostics via RSLinx software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhat backplane power supply load should be calculated for system design?\n\u003cul\u003e\n\u003cli\u003eAccount for 1.1 A at 5 VDC and 1 mA at 24 VDC when sizing the rack power supply capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eIs external power required for the Ethernet communication ports?\n\u003cul\u003e\n\u003cli\u003eNo, all operational power is derived internally from the ControlLogix chassis backplane bus.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhat is the maximum supported cable length per Ethernet segment?\n\u003cul\u003e\n\u003cli\u003eStandard copper Ethernet segments adhere to IEEE 802.3 limits, restricting individual segment runs to 100 meters between active switches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eHow are firmware updates applied to this communication module?\n\u003cul\u003e\n\u003cli\u003eFirmware revisions are flashed via ControlFLASH utility software using either the front USB port or an active network connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066412421293,"sku":"1756-EN2TK","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1756-EN2TK_2-0.jpg?v=1785930783","url":"https:\/\/www.maxwellplc.com\/products\/1756-en2tk-allen-bradley-communication-module-controllogix","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}