{"product_id":"yokogawa-anb11d-b25-bu2a-optical-esb-bus-node-units","title":"Yokogawa ANB11D-B25\/BU2A Optical ESB Bus Node Units","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa ANB11D-B25\/BU2A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eANB11D\u003c\/strong\u003e Optical ESB Bus Node Unit, operates as a dedicated hardware component for converting analog and contact I\/O signals into optical streams and executing remote optical ESB bus transmission to field control units.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCode\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDefinition\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eANB11D\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOptical ESB Bus Node Unit platform\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-B25\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower supply and configuration variant code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\/BU2A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOptical ESB Bus connector unit variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eANB11D-B25\/BU2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eStandard industrial manufacturing origin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard rack chassis form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 19-inch rack mount enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial ambient thresholds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eCompatible with system rack power distribution rails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Fieldbus Connectivity\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Protocol\u003c\/strong\u003e: Processes analog signal loops paired with HART communication layers to handle remote process measurements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFOUNDATION Fieldbus Connectivity\u003c\/strong\u003e: Interfaces with digital fieldbus communication segments to aggregate remote instrument data.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation\u003c\/strong\u003e: Establishes galvanic isolation barriers across I\/O channels to prevent ground loop interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold Junction Compensation (CJC)\u003c\/strong\u003e: Executes internal cold junction compensation routines for thermocouple input modules to ensure signal fidelity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the ANB11D-B25\/BU2A unit support hot-swapping of internal power supply and communication modules during active operation? A: Yes, the node architecture permits hot-swapping of modular components under power without disrupting backplane integrity.\u003c\/p\u003e\n\u003cp\u003eQ: How does the unit transmit cabinet environmental monitoring data to the host controller? A: Environmental conditions are transmitted across the optical ESB bus using an optional HKU interface for central monitoring at the FCU.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the unit securely into a standard 19-inch structural equipment cabinet using appropriate mounting fasteners.\u003c\/li\u003e\n\u003cli\u003eConnect the protective ground terminal directly to the central cabinet copper busbar using low-impedance conductors.\u003c\/li\u003e\n\u003cli\u003eRoute optical fiber cables within recommended bend radius limits to prevent optical attenuation on the ESB bus path.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":45279450169459,"sku":"ANB11D-B25\/BU2A","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-07-09_16-36-30_52c6b913-a02c-4be5-bee9-6e47b60c3763.png?v=1784877642","url":"https:\/\/www.dcssupplier.com\/products\/yokogawa-anb11d-b25-bu2a-optical-esb-bus-node-units","provider":"DcsSupplier Limited","version":"1.0","type":"link"}