{"product_id":"anb11d-225-bu2a-optical-esb-bus-node-unit-yokogawa","title":"ANB11D-225\/BU2A Optical ESB Bus Node Unit Yokogawa","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eANB11D-225\/BU2A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a specialized high-availability optical node designed for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa CENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtrol system, specifically for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elong-distance I\/O expansion\u003c\/strong\u003e. It enables the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eExtended Serial Backplane (ESB) bus\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto be extended up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5 km via fiber optic cabling\u003c\/strong\u003e, providing a highly reliable and interference-free communication path.\u003c\/p\u003e\n\u003cp\u003eBy converting electrical ESB signals into optical signals, this unit ensures\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecomplete immunity to electromagnetic interference (EMI)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand eliminates issues related to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eground potential differences\u003c\/strong\u003e, making it ideal for large-scale and distributed industrial plants.\u003c\/p\u003e\n\u003cp\u003eThe unit is equipped with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edual-redundant 220–240 V AC power supply\u003c\/strong\u003e, ensuring continuous operation even if one power source fails. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBU2A connector interface\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports flexible system architectures, including\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003estar and chain topologies\u003c\/strong\u003e, enabling efficient and scalable network design.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrimary Function:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOptical ESB bus node for long-distance I\/O\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTransmission Medium:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFiber optic (up to 5 km)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDual-redundant (220–240 V AC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConnector Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBU2A (optical interface)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTopology Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStar and chain configurations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Focus:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRemote, large-scale distributed control systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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 Designation\u003c\/td\u003e\n\u003ctd\u003eANB11D-225\/BU2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eDual-redundant optical ESB bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Transmission Range\u003c\/td\u003e\n\u003ctd\u003e5 km (via optical fiber)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Redundancy\u003c\/td\u003e\n\u003ctd\u003eDual-redundant (active-active)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e220–240 V AC (50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e230 VA \/ 120 W (max load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Capacity\u003c\/td\u003e\n\u003ctd\u003e8 slots for CENTUM VP I\/O modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Configuration\u003c\/td\u003e\n\u003ctd\u003eBU2A (optical ESB connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Monitoring\u003c\/td\u003e\n\u003ctd\u003eOptional HKU interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Standard\u003c\/td\u003e\n\u003ctd\u003e19-inch rack mount (4 × M5 screws)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e 10 kg \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eOperational Applications\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eANB11D-225\/BU2A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis widely used in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoffshore oil platforms, mining operations, and large chemical refineries\u003c\/strong\u003e. It is designed to connect\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRemote Instrument Enclosures (RIEs)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethat are physically distant from the central control room.\u003c\/p\u003e\n\u003cp\u003eIts\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5 km optical reach\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eallows engineers to centralize control while maintaining reliable, high-speed communication with distributed field assets. The system architecture supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eflexible and scalable deployment\u003c\/strong\u003e, making it suitable for complex industrial environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 5 km limit apply to both single-mode and multi-mode fiber?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe achievable distance depends on the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoptical repeater modules (e.g., ANT401)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand the type of fiber used. In typical CENTUM VP deployments,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-quality fiber optic infrastructure\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis required to achieve the full 5 km range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this unit be monitored for internal health?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes. The unit supports the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHKU (Housekeeping Unit) interface\u003c\/strong\u003e, which enables monitoring of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003einternal cabinet conditions\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esuch as temperature and fan status, allowing for proactive maintenance and improved system reliability.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51913673376056,"sku":"ANB11D-225\/BU2A","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/ANB10D-445CU2TNDEL.jpg?v=1773884189","url":"https:\/\/www.automodulexpert.com\/products\/anb11d-225-bu2a-optical-esb-bus-node-unit-yokogawa","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}