{"product_id":"yokogawa-scp451-11-s1-prosafe-rs-processor-module","title":"Yokogawa SCP451-11 S1 ProSafe-RS Processor Module","description":"\u003ch2\u003eYokogawa SCP451-11 S1 ProSafe-RS Processor Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa SCP451-11 S1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSCP451-11\u003c\/strong\u003e ProSafe-RS Processor Module, operates as a dedicated hardware component for safety-oriented execution within ProSafe-RS Safety Instrumented System (SIS) platforms.\u003c\/p\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\u003eSCP451-11 S1\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\u003e2.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard ProSafe-RS enclosure slot profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 50 deg C (Refer to safety control unit documentation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSupplied via backplane bus from host ProSafe-RS chassis\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\u003eMain Memory\u003c\/td\u003e\n\u003ctd\u003e32 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eFlash memory for application programs; NVRAM for operating data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eDual-redundant Vnet\/IP (100 Mbps) and ESB bus interfaces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSafety-Critical Control Execution and Redundancy\u003c\/h3\u003e\n\u003cp\u003eThe module coordinates safety logic execution through its internal MIPS R5000 architecture, feeding diagnostic frames across dual-redundant Vnet\/IP network channels. Channel-to-channel electrical isolation and built-in hardware watchdogs monitor system integrity continuously, maintaining fail-safe state execution pathways upon detection of critical faults. Furthermore, duplexed controller configurations synchronize memory states across dual modules to achieve high availability within emergency shutdown applications.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the SCP451-11 S1 module be replaced under live power conditions?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping depends entirely on the specific rack design and redundant system pairing status; verify safety controller power policies before extraction.\u003c\/p\u003e\n\u003cp\u003eQ: How do dual-redundant modules synchronize safety control logic execution?\u003c\/p\u003e\n\u003cp\u003eA: Synchronization occurs via dedicated high-speed backplane inter-module pathways, continuously cross-checking memory registers and hardware status bits.\u003c\/p\u003e\n\u003cp\u003eQ: What actions are required during firmware updates on safety processor cards?\u003c\/p\u003e\n\u003cp\u003eA: Updates must follow certified engineering workstation procedures to prevent safety integrity level (SIL) state interruptions.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure proper grounding of the ProSafe-RS safety node chassis prior to module insertion.\u003c\/li\u003e\n\u003cli\u003eUtilize appropriate electrostatic discharge (ESD) wrist protection to shield microprocessors from static damage.\u003c\/li\u003e\n\u003cli\u003eAlign the module parallel to the card guide rails and apply steady pressure until internal connectors seat completely.\u003c\/li\u003e\n\u003cli\u003eInspect diagnostic LED indicators upon system startup to confirm valid CPU operation and redundant network link status.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":67691496734819,"sku":"SCP451-11 S1","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/887_ecfb3c49-9ee7-4e47-81a9-d7caa030105e.jpg?v=1791854272","url":"https:\/\/www.autocontrolglobal.com\/products\/yokogawa-scp451-11-s1-prosafe-rs-processor-module","provider":"AutoControl Global","version":"1.0","type":"link"}