{"product_id":"yokogawa-sec401-51-esb-bus-coupler-module","title":"YOKOGAWA SEC401-51 ESB Bus Coupler Module","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSEC401-51\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-reliability master-side ESB Bus coupler\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa ProSafe-RS Safety Instrumented Systems (SIS)\u003c\/strong\u003e. It provides a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edeterministic, high-speed communication link\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebetween the Safety Control Station (SCS) and downstream safety node units, ensuring\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIL 3-compliant safety logic execution\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe SEC401-51 (Model:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSEC401\u003c\/strong\u003e, Suffix:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-51\u003c\/strong\u003e) features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecompact form factor, robust G3 environmental protection\u003c\/strong\u003e, and precise signal handling for mission-critical safety applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eItem\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\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eMaster-side ESB Bus interface (ProSafe-RS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNode Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 9 safety nodes per ESB segment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Throughput\u003c\/td\u003e\n\u003ctd\u003e128 Mbps (high-speed I\/O)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Transmission Span\u003c\/td\u003e\n\u003ctd\u003e10 meters (standard ESB cabling)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Protection\u003c\/td\u003e\n\u003ctd\u003eISA Standard G3 conformal coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Integrity\u003c\/td\u003e\n\u003ctd\u003eSIL 3 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e0.5 A at 5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Weight\u003c\/td\u003e\n\u003ctd\u003e0.24 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eCompact module for SCU rack installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eIndustrial Performance and Reliability\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMaintains\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eindependence and integrity\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof safety-critical communications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eG3 coating\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprotects against corrosive gases (e.g., H₂S) and humidity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eredundant ESB configurations\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor uninterrupted safety monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehazardous industrial environments\u003c\/strong\u003e, including petrochemical and refining plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the SEC401 and the standard EC401?\u003c\/strong\u003e\u003cbr\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSEC401-51\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIL 3 certified\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand designed for ProSafe-RS. It includes specialized diagnostics and firmware required for safety compliance, which are not present in the standard CENTUM VP EC401 modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module be used for distances greater than 10 meters?\u003c\/strong\u003e\u003cbr\u003eNo. The SEC401-51 supports a maximum of 10 m per ESB segment. For longer distances, an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eoptical ESB repeater\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand fiber optic cabling are required to maintain signal integrity.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51762153521464,"sku":"SEC401-51","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/SEC401-511_1.jpg?v=1770688056","url":"https:\/\/www.automodulexpert.com\/bg\/products\/yokogawa-sec401-51-esb-bus-coupler-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}