{"product_id":"ssc50d-s2111-yokogawa-duplexed-safety-control-unit","title":"SSC50D-S2111 YOKOGAWA Duplexed Safety Control Unit","description":"\u003cp\u003eThe \u003cstrong\u003eYOKOGAWA SSC50D-S2111\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSSC50D\u003c\/strong\u003e Safety Control Unit, operates as a dedicated hardware component for high-integrity logic execution and process safety management within ProSafe-RS SIS platforms.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSSC50D\u003c\/strong\u003e: Base model identifier for the duplexed safety control unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS2\u003c\/strong\u003e: Denotes the hardware revision and system integration standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e111\u003c\/strong\u003e: Specifies the communication port configuration and redundant processor synchronization parameters.\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\u003eSSC50D-S2111\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\u003e 3.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Rack-Mount Format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e5 deg C to 40 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSubject to redundancy loading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSIS High-Reliability Technical Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe SSC50D-S2111 is engineered for SIL3 certification compliance, utilizing a triple modular redundancy (TMR) 2oo3 architecture to ensure continuous logic processing even during single-module failure events. The unit provides galvanic isolation for all critical I\/O paths, preventing electrical fault propagation between redundant control channels. In the event of an internal diagnostic error, the controller executes fail-safe state execution, driving outputs to a pre-defined safe state to mitigate process hazards. The duplexed architecture allows for synchronized state transition, maintaining deterministic processing speeds across the safety-critical network.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the SSC50D-S2111 support hot-swapping of the redundant controller pair?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the duplexed architecture allows for hot-swapping a single controller unit while the system remains operational, provided the redundancy state is synchronized and the host safety station is not in an inhibited diagnostic mode.\u003c\/p\u003e\n\u003cp\u003eQ: How is the synchronization maintained between the duplexed units?\u003c\/p\u003e\n\u003cp\u003eA: Synchronization is managed via a high-speed backplane bus, ensuring sub-millisecond data alignment. Any deviation between the duplexed units triggers an immediate diagnostic alert on the safety management station.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Insertion\u003c\/strong\u003e: Align the module carefully with the safety bus backplane. Ensure the mechanical locking levers are fully seated to maintain the integrity of the redundant bus connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarthing Compliance\u003c\/strong\u003e: Secure the chassis to the instrument earth using a low-impedance ground cable. Proper grounding is necessary to minimize common-mode noise and maintain SIL3 reliability ratings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Segregation\u003c\/strong\u003e: Route safety-rated signal cables through dedicated, shielded conduits separate from standard control or power wiring to prevent induced interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment\u003c\/strong\u003e: Install the unit in an environment free from corrosive gases and excessive vibration. Monitor ambient temperatures continuously to ensure operation within the 5 deg C to 40 deg C range.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49218265645308,"sku":"SSC50D-S2111","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/SSC50D-F2524.jpg?v=1781143676","url":"https:\/\/www.electronicplc.com\/products\/ssc50d-s2111-yokogawa-duplexed-safety-control-unit","provider":"Electronic PLC","version":"1.0","type":"link"}