{"product_id":"dual-redundant-safety-control-unit-yokogawa-scs10d-s2121","title":"Dual-Redundant Safety Control Unit Yokogawa SCS10D-S2121","description":"\u003cp\u003eConfigured for high-availability safety logic in process control networks, the \u003cstrong\u003eYokogawa SCS10D-S2121\u003c\/strong\u003e (\u003cstrong\u003eSCS10D\u003c\/strong\u003e Dual-Redundant Safety Control Unit) provides direct physical\/electrical execution of fault-tolerant monitoring and safety state management.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSCS10D\u003c\/strong\u003e: Base module designation for a dual-redundant safety control unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS2121\u003c\/strong\u003e: Suffix indicating the specific hardware configuration for processor integration, memory capacity, and redundant power management.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003eSCS10D-S2121\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003ejapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.5kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eNot Specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot Specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eMIPS R5000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e32 MB with battery backup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eDual-redundant logic and power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFail-Safe State Execution and Safety Integrity\u003c\/h3\u003e\n\u003cp\u003eThe SCS10D-S2121 utilizes a dual-redundant architecture to ensure continuous logic execution during component faults. The MIPS R5000 processing core is paired with an integrated memory system that enforces data integrity through battery-backed storage. The unit is engineered for fail-safe state execution, meaning that in the event of a critical internal fault or power discrepancy, the system transitions to a pre-defined safe state to protect the process. The redundant power supply input architecture eliminates single-point failures in the control circuit, while the included insulation accessories ensure the electrical isolation required to meet ISA G3 standards.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the SCS10D-S2121 support hot-swapping of redundant modules during operation?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the dual-redundant design permits the removal and replacement of a non-active controller unit while the system remains powered, provided the secondary unit is confirmed as operational and synchronized.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maintenance cycle for the battery backup system?\u003c\/p\u003e\n\u003cp\u003eA: The battery backup has a maximum lifespan of 3 years under stable ambient conditions (30 deg C or lower); it is recommended to monitor the status via the system diagnostic console to trigger replacement before power-fail data loss occurs.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the unit in a standard rack using the provided mounting hardware, ensuring proper spacing to maintain natural air cooling within the -20 deg C to 50 deg C range.\u003c\/li\u003e\n\u003cli\u003eInstall the insulating bushings and covers during setup to prevent accidental shorts and to comply with environmental protection standards.\u003c\/li\u003e\n\u003cli\u003eConnect both power supply inputs to independent power sources to realize the full benefits of the dual-redundant architecture.\u003c\/li\u003e\n\u003cli\u003eGround the chassis directly to the plant's high-integrity safety earth bus to prevent electromagnetic noise from impacting the processor's MIPS R5000 clock signals.\u003c\/li\u003e\n\u003cli\u003eVerify that the system confirms redundancy synchronization via the engineering software post-installation before enabling safety-rated output loops.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49253216387324,"sku":"SCS10D-S2121","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/ANR10D-415NDEL1.jpg?v=1783302016","url":"https:\/\/www.electronicplc.com\/ar\/products\/dual-redundant-safety-control-unit-yokogawa-scs10d-s2121","provider":"Electronic PLC","version":"1.0","type":"link"}