{"product_id":"yokogawa-snb10d-445-cu2t-prosafe-rs-safety-node-unit","title":"Yokogawa SNB10D-445\/CU2T ProSafe-RS Safety Node Unit","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa SNB10D-445\/CU2T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a core infrastructure component for the ProSafe-RS Safety Instrumented System (SIS). This rack-mountable Safety Node Unit facilitates the expansion of safety I\/O modules while maintaining the highest integrity levels for emergency shutdown and fire and gas applications. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, featuring advanced environmental hardening and integrated ESB bus termination to ensure continuous safety logic execution in demanding industrial sectors.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe SNB10D series employs a specific suffix logic to define power, environmental protection, and expansion capabilities:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSNB10D:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSafety Node Unit (Rack Mountable Type).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-4:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with a 24 V DC power supply system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e4:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures Dual-redundant power supply with a software license for node expansion (R3).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e5:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConforms to ISA Standard G3 corrosion resistance and extended temperature range (-20 to 70 °C).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCU2T:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes a Connector Unit with Terminator for ESB Bus (S9343FA).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThis unit integrates high-availability power and bus termination within a ruggedized mechanical frame.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRedundancy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual-redundant power supply architecture\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnvironmental Protection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eISA Standard G3 (Conformal Coating)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-20 to 70 °C (-4 to 158 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBus Termination\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntegrated CU2T (Connector Unit with Terminator)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e19-inch Rack Mount (M5 screws with insulation bushes)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.9 Kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100% Brand New Original\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtended Thermal Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSNB10D-445\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econfiguration supports an ultra-wide operating temperature range from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-20 to 70 °C\u003c\/strong\u003e. This allows for installation in remote instrument enclosures (RIEs) or field cabinets that lack strict climate control, reducing the cost of auxiliary cooling and heating systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eISA G3 Corrosion Defense:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module boards feature\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eISA Standard G3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econformal coating. This chemical barrier prevents copper and silver corrosion caused by harsh industrial gases like\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$H_2S$\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$SO_2$\u003c\/span\u003e, ensuring long-term hardware reliability in refineries, chemical plants, and wastewater facilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Bus Topology:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe included\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCU2T option (S9343FA)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides a dedicated connector unit with an integrated terminator for the ESB bus. This eliminates the need for separate external terminators, simplifying the high-speed safety bus wiring and reducing potential points of failure during system commissioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Integrity Redundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edual-redundant power supply\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econfiguration prevents system trips caused by a single power fault. Each power module operates independently, allowing for live replacement of a faulty supply without interrupting the safety functions or the node's communication with the safety controller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the insulation bushes included with the SNB10D?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe insulation bushes isolate the unit from the rack frame. This prevents ground loops and electrical noise from interfering with the safety I\/O signals, ensuring the node maintains the strict signal-to-noise ratios required for SIL-rated safety functions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the SNB10D-445\/CU2T support node expansion in existing ProSafe-RS systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The \"4\" suffix includes the software license required for node expansion (R3). This allows the Safety Control Station (SCS) to recognize and integrate additional I\/O capacity seamlessly within the ProSafe-RS network.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I connect the ESB bus to this unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCU2T unit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides the interface for the ESB bus cables. Since this model includes the \"T\" (Terminator), you typically install this unit at the end of the ESB bus segment to ensure proper impedance matching and signal reflection suppression.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this unit refurbished or previously used in a test lab?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. We offer only\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYokogawa hardware. Each SNB10D-445\/CU2T arrives in its original factory packaging, complete with all standard accessories and an intact serial number to guarantee authenticity and full factory-rated performance.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52550980108597,"sku":"SNB10D-445\/CU2T","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/SNB10D-445.jpg?v=1775726423","url":"https:\/\/www.5gplc.com\/products\/yokogawa-snb10d-445-cu2t-prosafe-rs-safety-node-unit","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}