{"product_id":"allen-bradley-1756-en2trxt-ethernet-ip-communication-module","title":"Allen-Bradley 1756-EN2TRXT EtherNet\/IP Communication Module","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eAllen-Bradley 1756-EN2TRXT EtherNet\/IP Communication Module\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eConfigured for deterministic EtherNet\/IP data exchange and ControlLogix backplane integration in ControlLogix chassis networks, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-EN2TRXT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e1756-EN2TRXT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh Performance Bridge w\/ Embedded Switch) provides direct physical routing of CIP traffic between controller tasks and distributed Ethernet nodes across dual copper interfaces with embedded switching logic.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eNo explicit manufacturer-defined suffix decomposition is provided for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN2TRXT\u003c\/strong\u003e.\u003cbr\u003eBase designation remains\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-EN2TRXT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eControlLogix EtherNet\/IP communication module with extended temperature capability.\u003c\/p\u003e\n\u003ch3\u003eHardware 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 class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\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-EN2TRXT\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.40 kg\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\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eHigh Performance EtherNet\/IP Bridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5.1 VDC)\u003c\/td\u003e\n\u003ctd\u003e1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Ports\u003c\/td\u003e\n\u003ctd\u003e2 × RJ45 Cat 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e10\/100 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTCP\/IP Connections\u003c\/td\u003e\n\u003ctd\u003eUp to 128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogix Connections\u003c\/td\u003e\n\u003ctd\u003eUp to 256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Interface\u003c\/td\u003e\n\u003ctd\u003eUSB 1.1 Full-Speed (12 Mbps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlot Width\u003c\/td\u003e\n\u003ctd\u003e1 slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eControlLogix chassis (any slot)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eOpen style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eControlLogix Backplane Bus Communication \u0026amp; EtherNet\/IP Switching Architecture\u003c\/h3\u003e\n\u003cp\u003eThe module integrates embedded switch logic with ControlLogix backplane bus communication velocity handling, enabling synchronized CIP packet routing between Logix tasks and external Ethernet nodes. Dual-port architecture supports linear, star, and device-level ring topologies without external switching layers. I\/O density scaling is managed through Logix connection allocation tables, while firmware-level mapping maintains deterministic EtherNet\/IP scheduling under mixed TCP\/IP and CIP traffic loads.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1756-EN2TRXT support hot-swap in an active chassis?\u003cbr\u003eA: Yes. The module supports hot insertion with automatic backplane re-enumeration and connection recovery.\u003c\/p\u003e\n\u003cp\u003eQ: What is the effect of full Logix connection utilization on backplane load?\u003cbr\u003eA: At maximum connection allocation (256 Logix connections), the module maintains stable 1 A @ 5.1 VDC backplane draw.\u003c\/p\u003e\n\u003cp\u003eQ: Can the embedded switch operate independently of the ControlLogix backplane?\u003cbr\u003eA: Yes. Ethernet switching functions remain active while backplane communication is maintained for Logix integration.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInsert the module into any available ControlLogix chassis slot ensuring full backplane connector engagement. Maintain correct alignment to prevent intermittent CIP communication faults. Use shielded Cat 5 Ethernet cabling with proper shield termination at cabinet ground reference. Avoid parallel routing with high-voltage conductors to reduce EMI coupling. Verify controller firmware compatibility prior to commissioning to ensure correct Logix connection mapping and EtherNet\/IP routing behavior.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43581904846938,"sku":"1756-EN2TRXT","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-EN2TRXT2.jpg?v=1782974873","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-en2trxt-ethernet-ip-communication-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}