{"product_id":"yokogawa-snt401-53-cu1n-optical-esb-bus-repeater-master","title":"Yokogawa SNT401-53\/CU1N Optical ESB Bus Repeater Master","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSNT401-53\/CU1N\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOptical ESB (Extended Serial Bus) Repeater Master Module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned to extend communication distances within Yokogawa distributed control system networks. By converting electrical ESB signals into\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efiber-optic communication\u003c\/strong\u003e, the module enables stable, high-speed data transmission between control system nodes located across large industrial facilities while providing strong immunity to electromagnetic interference (EMI).\u003c\/p\u003e\n\u003cp\u003eEngineered for demanding industrial environments, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSNT401-53\/CU1N\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures reliable operation across a wide temperature range and harsh atmospheric conditions. The module typically operates together with optical repeater slave units to maintain seamless ESB communication, ensuring synchronized data exchange across distributed control system architectures such as Yokogawa CENTUM platforms.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003eModel Identification\u003c\/td\u003e\n\u003ctd\u003eSNT401-53\/CU1N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Function\u003c\/td\u003e\n\u003ctd\u003eOptical ESB Bus Repeater Master Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Type\u003c\/td\u003e\n\u003ctd\u003eOptical ESB (Fiber Optic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Interface\u003c\/td\u003e\n\u003ctd\u003eCU1N Connector Unit for ESB bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eYokogawa CENTUM series DCS architectures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExplosion Protection\u003c\/td\u003e\n\u003ctd\u003eNone (standard configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Rating\u003c\/td\u003e\n\u003ctd\u003eISA Standard G3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Media\u003c\/td\u003e\n\u003ctd\u003eFiber optic cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e Weight\u003c\/td\u003e\n\u003ctd\u003e3.0 kg \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDistance Extension:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConnects remote Field Control Stations (FCS) to central control rooms when communication distances exceed the limits of copper ESB cabling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEMI-Sensitive Environments:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFiber optic communication isolates the control network from electrical noise produced by high-voltage equipment, switchgear, or variable frequency drives (VFDs).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLarge-Scale DCS Deployment:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports plant expansions where distributed subsystems require reliable long-distance communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Network Stability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMaintains synchronized communication between critical process control nodes in large automation systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the CU1N suffix indicate in the model number?\u003c\/strong\u003e\u003cbr\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCU1N\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esuffix refers to the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eintegrated connector unit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eused for ESB bus interfacing. It ensures mechanical and electrical compatibility with Yokogawa rack backplanes and ESB communication infrastructure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the SNT401-53\/CU1N suitable for outdoor or non-climate-controlled cabinets?\u003c\/strong\u003e\u003cbr\u003eYes. With an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eISA G3 environmental rating\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand an operating temperature range of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-20°C to +70°C\u003c\/strong\u003e, the module is designed to operate reliably in industrial cabinets exposed to harsh environmental conditions.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51859384238392,"sku":"SNT401-53\/CU1N","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/AFF50D-H41101.jpg?v=1772502775","url":"https:\/\/www.automodulexpert.com\/products\/yokogawa-snt401-53-cu1n-optical-esb-bus-repeater-master","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}