{"product_id":"yokogawa-sb401-11-esb-bus-interface-slave-module","title":"Yokogawa SB401-11 ESB | Bus Interface Slave Module","description":"\u003ch2\u003eYokogawa SB401-11 ESB Bus Interface Slave Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for ESB backplane data exchange in CENTUM VP\/CENTUM CS 3000 environments, the \u003cstrong\u003eYokogawa SB401-11\u003c\/strong\u003e (\u003cstrong\u003eSB401-11\u003c\/strong\u003e ESB Bus Interface Slave Module) provides direct physical\/electrical execution within ESB dual-redundant bus architectures. The module operates as a slave interface node, transferring I\/O data frames between field control units and distributed node backplanes.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\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\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa SB401-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.5 kg \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.5 cm x 12.7 cm x 12.7 cm \/ 1.0 in x 5.0 in x 5.0 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003eNot specified (backplane supplied)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Function\u003c\/td\u003e\n\u003ctd\u003eESB Slave Bus Interface for FCU communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Topology\u003c\/td\u003e\n\u003ctd\u003eDual-redundant ESB bus compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eBackplane-to-communication electrical isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Bus Interface Characteristics\u003c\/h3\u003e\n\u003ch4\u003eFOUNDATION Fieldbus \/ Channel Communication Behavior\u003c\/h4\u003e\n\u003cp\u003eThe Yokogawa ESB architecture associated with the SB401-11 supports deterministic backplane data exchange between I\/O subsystems and Field Control Units (FCU). Within Yokogawa DCS implementations, ESB-side synchronization aligns with cyclic process data refresh cycles rather than asynchronous polling.\u003c\/p\u003e\n\u003cp\u003eChannel-to-channel separation is maintained at the node interface level, ensuring isolation between backplane signaling domains and field communication routing paths. The module is designed to maintain stable frame alignment under redundant ESB configurations where dual-path arbitration is active at the baseplate level.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Can the SB401-11 operate in a hot-swap configuration?\u003c\/strong\u003e\u003cbr\u003eA: Hot-swap behavior depends on the baseplate and system configuration. The module itself is designed for backplane insertion, but live replacement requires FCU-side redundancy and ESB path stabilization.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Does the module consume external field loop power?\u003c\/strong\u003e\u003cbr\u003eA: No. The SB401-11 is powered via the system backplane. No direct field loop power consumption is associated with ESB communication handling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Is dual-redundant ESB operation automatic?\u003c\/strong\u003e\u003cbr\u003eA: Redundancy is handled at the system architecture level. The module supports dual ESB paths when installed in a redundant baseplate configuration.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInsert module only into compatible ESB baseplate slots designed for FCU-linked nodes\u003c\/li\u003e\n\u003cli\u003eEnsure system power is isolated before mechanical insertion or removal\u003c\/li\u003e\n\u003cli\u003eMaintain proper shielding continuity on ESB backplane grounding structure\u003c\/li\u003e\n\u003cli\u003eAvoid signal cable routing parallel to high-noise power conductors\u003c\/li\u003e\n\u003cli\u003eVerify redundant ESB path alignment before restoring system power\u003c\/li\u003e\n\u003cli\u003eUse standard industrial grounding practices for cabinet-level backplane reference integrity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44152854413400,"sku":"SB401-11","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/SB401-11-3.jpg?v=1780020741","url":"https:\/\/www.industriaxplc.com\/products\/yokogawa-sb401-11-esb-bus-interface-slave-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}