{"product_id":"beckhoff-cu1128-8-port-ethercat-junction-for-industrial-network-expansion-and-distributed-automation","title":"Beckhoff CU1128 8-Port EtherCAT Junction for Industrial Network Expansion and Distributed Automation","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"0\" data-end=\"451\"\u003eThe Beckhoff CU1128 is an 8-port EtherCAT junction designed to expand and structure EtherCAT networks in line, tree, or star topologies. Supporting 100 Mbit\/s communication, it enables branching of EtherCAT segments through eight RJ45 ports. Operating from a 24 V DC supply, it offers reliable infrastructure connectivity for distributed automation systems.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003eBeckhoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003ePLCs\/Machine Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003eCU1128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003ePLC Programming Terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eTask in System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003eEtherCAT junction coupling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eProtocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003eEtherCAT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eData Medium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003eEthernet\/EtherCAT cable, min. Cat.5, shielded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eBus Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003e8 × RJ45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eData Transfer Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003e100 Mbit\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003ePort Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003eApprox. 1 µs per port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eMax Distance Between Stations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003e100 m (100BASE-TX)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003eNot required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003e24 V DC (18…30 V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003eTyp. 185 mA at 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003e–25…+60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003e–40…+85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003e95%, no condensation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eVibration\/Shock Standards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003eEN 60068-2-6 \/ EN 60068-2-27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eEMC Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003eEN 61000-6-2 \/ EN 61000-6-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eDimensions (W × H × D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003e122 × 100 × 38 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eApprovals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003eCE, UL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 39.6819%;\"\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.0988%;\"\u003ePanel\/cabinet, IP20 environment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About CU1128\u003c\/h4\u003e\n\u003cp\u003eThe CU1128 is an EtherCAT infrastructure module built for coupling and branching multiple EtherCAT junctions within a system. Housed in a compact IP20 enclosure, the unit integrates eight RJ45 interfaces that accept standard shielded Cat.5 or higher cables for fast 100BASE-TX communication. With a fixed port delay of approximately 1 µs per channel, it maintains deterministic communication performance across network segments. Designed for flexible topologies and plug-and-play operation, the CU1128 supports up to 100 m between stations and is commonly used in modular machine architectures, distributed I\/O layouts, and decentralized control networks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEight-port EtherCAT junction: Provides structured branching for flexible network layouts.\u003c\/li\u003e\n\u003cli\u003e100 Mbit\/s data transfer: Ensures fast and deterministic EtherCAT communication.\u003c\/li\u003e\n\u003cli\u003eLow port latency: Approx. 1 µs delay per port for real-time signal propagation.\u003c\/li\u003e\n\u003cli\u003eRJ45 connectivity: Standardized Ethernet interface with link\/activity indication.\u003c\/li\u003e\n\u003cli\u003eWide supply tolerance: Operates from 18–30 V DC with typical 185 mA consumption.\u003c\/li\u003e\n\u003cli\u003eNo configuration required: Plug-and-play integration into EtherCAT systems.\u003c\/li\u003e\n\u003cli\u003eCompact industrial housing: IP20 enclosure suitable for control cabinets.\u003c\/li\u003e\n\u003cli\u003eStandards-compliant design: EMC, vibration, and shock tested for industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe CU1128 delivers the reliability and precision required for EtherCAT network expansion in modern automation systems.\u003c\/p\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":47468391235882,"sku":"CU1128","price":529.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/CU1128.png?v=1706803350","url":"https:\/\/iqelectro.com\/products\/beckhoff-cu1128-8-port-ethercat-junction-for-industrial-network-expansion-and-distributed-automation","provider":"IQElectro","version":"1.0","type":"link"}