{"product_id":"safety-node-unit-yokogawa-snb10d-223","title":"Safety Node Unit Yokogawa SNB10D-223","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSNB10D-223\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-availability safety node chassis designed for the Yokogawa Electric Corporation ProSafe-RS Safety Instrumented System (SIS) platform.\u003c\/p\u003e\n\u003cp\u003eThis unit functions as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eremote safety I\/O expansion node\u003c\/strong\u003e, providing housing and connectivity for safety-certified input\/output modules. It serves as the physical and communication bridge between field instrumentation and the central Safety Control Station (SCS).\u003c\/p\u003e\n\u003cp\u003eThe SNB10D-223 utilizes a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edual-redundant architecture\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor both power supply and safety communication buses, significantly improving system availability. Even if a localized hardware failure occurs, safety logic supervision remains uninterrupted.\u003c\/p\u003e\n\u003cp\u003eThe chassis supports ESB and ER bus communication, enabling high-integrity safety data transmission across distributed control zones such as satellite instrument houses and remote field cabinets.\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\u003eFull Order Code\u003c\/td\u003e\n\u003ctd\u003eSNB10D-223\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Input\u003c\/td\u003e\n\u003ctd\u003eDual-redundant 100–120 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Bus\u003c\/td\u003e\n\u003ctd\u003eESB Bus \/ ER Bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 8 I\/O module slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdditional Slots\u003c\/td\u003e\n\u003ctd\u003ePower supply + bus interface modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003e19-inch rack mount (4U or 6U configurations)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Integrity Level\u003c\/td\u003e\n\u003ctd\u003eSIL3 capable (ProSafe-RS architecture)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault Tolerance\u003c\/td\u003e\n\u003ctd\u003eHot-swappable power and I\/O modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e6.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003ePrimary Application Scenarios\u003c\/h3\u003e\n\u003cp\u003eThe SNB10D-223 is widely used 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) safety monitoring systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOffshore oil and gas platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLNG processing facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePetrochemical refineries\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is particularly useful in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edistributed safety architectures\u003c\/strong\u003e, where I\/O modules must be located close to field devices while maintaining secure communication with centralized safety logic.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the \"223\" suffix indicate?\u003c\/strong\u003e\u003cbr\u003eThe suffix typically represents configuration coding:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e→ 100–120 V AC power supply\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e→ Dual-redundant power configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e→ Specific mounting and safety compliance configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCan the SNB10D-223 operate without redundancy?\u003c\/strong\u003e\u003cbr\u003eTechnically yes, but for SIL3 safety applications, redundant power supplies and communication paths are strongly recommended to eliminate single points of failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat bus systems does it support?\u003c\/strong\u003e\u003cbr\u003eThe unit supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eESB and ER safety communication buses\u003c\/strong\u003e, which are used for high-integrity SIS data exchange.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51818437771576,"sku":"SNB10D-223","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/SNB10D-2231.jpg?v=1771898191","url":"https:\/\/www.automodulexpert.com\/et\/products\/safety-node-unit-yokogawa-snb10d-223","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}