{"product_id":"yokogawa-ssc50d-s2111-duplexed-safety-control-unit","title":"Yokogawa SSC50D-S2111 Duplexed Safety Control Unit","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSSC50D-S2111\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance Duplexed Safety Control Unit at the core of the\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003eProSafe-RS\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eSafety Instrumented System (SIS). It is designed for fault-tolerant execution of safety logic, managing system-wide safety functions with maximum reliability. The unit features Yokogawa’s\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e“Pair \u0026amp; Spare” duplexed architecture\u003c\/strong\u003e, where two CPU modules operate in parallel. If one module fails, the other immediately maintains control, ensuring uninterrupted protection and compliance with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIL3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequirements for critical industrial processes.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\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 Number\u003c\/td\u003e\n\u003ctd\u003eSSC50D-S2111 (Style Code: S2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPU Architecture\u003c\/td\u003e\n\u003ctd\u003eDuplexed Pair \u0026amp; Spare (dual-redundant CPUs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eFault-tolerant operation with automatic switchover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply (-1)\u003c\/td\u003e\n\u003ctd\u003eSingle or redundant configuration (application-specific)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage (-1)\u003c\/td\u003e\n\u003ctd\u003e100–120 V AC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExplosion Protection (-1)\u003c\/td\u003e\n\u003ctd\u003eStandard type, basic safety certification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eDual-redundant Vnet\/IP network ports for DCS\/SIS integration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Execution\u003c\/td\u003e\n\u003ctd\u003eHigh-speed safety logic for ESD, FGS, BMS applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003eECC (Error-Correcting Code) for automatic detection and correction of data errors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eBuilt-in hardware self-diagnostics and integrity monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e19-inch rack-mountable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e 12 kg \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eIndustrial Application Scenarios\u003c\/h2\u003e\n\u003cp\u003eThe SSC50D-S2111 is deployed in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEmergency Shutdown (ESD) Systems\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFire \u0026amp; Gas Systems (FGS)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBurner Management Systems (BMS)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOil \u0026amp; Gas, Petrochemical, and Power Generation Plants\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts duplexed architecture ensures uninterrupted protection in environments where process shutdowns are costly or dangerous. The module integrates seamlessly with Yokogawa CENTUM VP DCS for unified yet physically separated control and safety operations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. What is the “Pair \u0026amp; Spare” architecture?\u003c\/strong\u003e\u003cbr\u003eThis design uses two CPUs that continuously cross-check each other (“voted” logic). Any internal fault is instantly detected, preventing fail-to-danger scenarios and ensuring continuous plant protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Is the SSC50D-S2111 hot-swappable?\u003c\/strong\u003e\u003cbr\u003eYes. In a redundant setup, individual CPU modules or power supplies can be replaced without interrupting the system’s operation or safety coverage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. What industries benefit most from this module?\u003c\/strong\u003e\u003cbr\u003eHigh-consequence industries such as oil \u0026amp; gas, petrochemical processing, and power generation, where SIL3-rated safety loops are required.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51796974469432,"sku":"SSC50D-S2111","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/SSC50D-S21112.jpg?v=1770966548","url":"https:\/\/www.automodulexpert.com\/products\/yokogawa-ssc50d-s2111-duplexed-safety-control-unit","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}