{"product_id":"snb10d-243-cu2n-yokogawa-safety-node-unit","title":"SNB10D-243\/CU2N Yokogawa Safety Node Unit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSNB10D-243\/CU2N\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a rack-mountable safety node unit designed for the Yokogawa ProSafe-RS Safety Instrumented System (SIS). It provides the mechanical and electrical backbone for housing safety control modules and I\/O components, forming a high-availability backplane architecture for safety-critical applications.\u003c\/p\u003e\n\u003cp\u003eThis configuration supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edual-redundant 24V DC power supplies\u003c\/strong\u003e, ensuring continuous operation even in the event of a single power path failure. The model includes the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eR3 node expansion software license\u003c\/strong\u003e, enabling scalable system growth within expanding industrial safety networks.\u003c\/p\u003e\n\u003cp\u003eEngineered for harsh environments, the unit features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eISA Standard G3 conformal coating\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto protect internal circuitry from corrosive gases and contaminants. With an extended operating temperature range of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e–20°C to +70°C\u003c\/strong\u003e, it is suitable for offshore platforms, desert facilities, and unconditioned control rooms.\u003c\/p\u003e\n\u003cp\u003eThe integrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCU2N ESB Bus connector unit (S9342FA)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eensures reliable high-speed communication with the Safety Control Station via the Extended Serial Backplane (ESB).\u003c\/p\u003e\n\u003chr\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\u003c\/td\u003e\n\u003ctd\u003eSNB10D-243\/CU2N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem\u003c\/td\u003e\n\u003ctd\u003eProSafe-RS SIS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eRack-mount Safety Node Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24V DC (Dual-redundant support)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware License\u003c\/td\u003e\n\u003ctd\u003eNode expansion license (Revision R3 included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eESB Bus Connector Unit (S9342FA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Protection\u003c\/td\u003e\n\u003ctd\u003eISA G3 conformal coating\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 (Extended range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e19-inch rack (4 × M5 screws required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation\u003c\/td\u003e\n\u003ctd\u003eSupplied insulation bushes for grounding isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eThe SNB10D-243\/CU2N is widely deployed in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEmergency Shutdown (ESD) systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFire \u0026amp; Gas (F\u0026amp;G) systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBurner Management Systems (BMS)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOffshore oil \u0026amp; gas platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePetrochemical and power generation facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts G3 coating, redundant power architecture, and extended temperature rating make it ideal for corrosive and high-temperature industrial environments requiring high-integrity safety control.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What does the “CU2N” option signify?\u003c\/strong\u003e\u003cbr\u003eIt refers to the ESB Bus connector unit (Part No. S9342FA), which enables communication between the safety node and the Safety Control Station via the Extended Serial Backplane.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Does this unit include a software license?\u003c\/strong\u003e\u003cbr\u003eYes. This model includes the R3 node expansion license, allowing additional safety nodes to be integrated into the ProSafe-RS architecture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Why are insulation bushes included?\u003c\/strong\u003e\u003cbr\u003eThe supplied M5 insulation bushes electrically isolate the chassis from the rack frame, preventing ground loops and reducing electrical noise in sensitive safety circuits.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51851060478264,"sku":"SNB10D-243\/C2UN","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/SNB10D-243C2UN1.jpg?v=1772590989","url":"https:\/\/www.automodulexpert.com\/products\/snb10d-243-cu2n-yokogawa-safety-node-unit","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}