{"product_id":"yokogawa-s2en402-s0001-n-esb-bus-coupler-module","title":"Yokogawa S2EN402-S0001 N-ESB Bus Coupler Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS2EN402-S0001 (S2EN402-S0001)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-speed N-ESB (Extended Serial Bus) bus coupler module designed for the Yokogawa ProSafe-RS Safety Instrumented System (SIS). This critical networking component enables the seamless and secure transmission of safety data between the Safety Control Unit (SCU) and N-IO nodes. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Yokogawa Electric Corporation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel Identification\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS2EN402-S0001\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBus Interface\u003c\/strong\u003e: N-ESB Bus Coupler\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Application\u003c\/strong\u003e: ProSafe-RS Safety Instrumented System\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e: 2 x RJ-45 (ISO\/IEC 8802-3 compliant)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Format\u003c\/strong\u003e: DIN Rail Mountable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Source\u003c\/strong\u003e: Supplied via system backplane\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e: 144 mm x 100 mm x 30 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e: 0.22 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: Japan\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e: Supports dual-redundant data flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eIndustrial Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS2EN402-S0001 (S2EN402-S0001)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a cornerstone of Safety Instrumented Functions (SIF) in hazardous industrial sectors such as oil and gas refining, LNG processing, and chemical manufacturing. It is primarily used to bridge the communication gap between centralized safety processors and remote I\/O nodes, providing the high-speed synchronization required for Emergency Shutdown (ESD) and Fire and Gas (F\u0026amp;G) systems.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44967326351475,"sku":"S2EN402-S0001","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-05-15_11-19-36_88d56835-2c06-46fc-afcf-335a0897db89.png?v=1778816825","url":"https:\/\/www.dcssupplier.com\/products\/yokogawa-s2en402-s0001-n-esb-bus-coupler-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}