{"product_id":"yokogawa-sb302-s1-esb-bus-interface-card","title":"Yokogawa SB302 S1 ESB Bus Interface Card","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa SB302 S1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSB302\u003c\/strong\u003e ESB Bus Interface Card, operates as a dedicated hardware component for high-speed data transmission between the Field Control Unit (FCU) and local nodes within Yokogawa CENTUM control system platforms.\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\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\u003eSB302 S1\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\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e~0.35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSub-rack backplane powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Interface\u003c\/td\u003e\n\u003ctd\u003eESB Bus (Field Control Unit to Local Nodes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Velocity\u003c\/td\u003e\n\u003ctd\u003eHigh-speed bus communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eDual-redundant configuration support\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 Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe SB302 S1 integrates backplane channel-to-channel isolation networks to shield system data frames from field-level common-mode noise and ground potential differences. Operating within Yokogawa DCS chassis alongside I\/O units handling 4-20 mA HART loop protocol field devices, the module preserves signal waveform integrity during deterministic bus transmission cycles. High galvanic separation limits cross-channel interference between high-speed local node communications and process loop input networks.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the primary function of the SB302 S1 interface card?\u003c\/p\u003e\n\u003cp\u003eA: It provides high-speed, deterministic communications between the main Field Control Unit (FCU) backplane and local I\/O nodes.\u003c\/p\u003e\n\u003cp\u003eQ: How does dual-redundancy operate on the SB302 S1?\u003c\/p\u003e\n\u003cp\u003eA: When paired in redundant chassis slots, the secondary card continuously monitors primary bus activity to execute instant failover without disrupting real-time node communications.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Protection:\u003c\/strong\u003e Always wear a grounded anti-static wrist strap before handling the card assembly to prevent electrostatic damage to onboard bus interface ICs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Insertion:\u003c\/strong\u003e Align the card edges with the designated sub-rack chassis guides and slide smoothly until the rear multi-pin connector fully seats into the backplane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding:\u003c\/strong\u003e Ensure all ESB bus cable shields are securely clamped to the system earthing bar at the cabinet entry point to attenuate electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Routing:\u003c\/strong\u003e Maintain physical separation between high-speed ESB bus interconnect cables and high-voltage AC power cabling or heavy inductive load leads.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53312716931381,"sku":"SB302 S1","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/SB401-50_84dcf1ce-ee92-451e-b250-e77e91769266.jpg?v=1786950275","url":"https:\/\/www.5gplc.com\/products\/yokogawa-sb302-s1-esb-bus-interface-card","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}