{"product_id":"yokogawa-cp461-11-processor-module","title":"Yokogawa CP461-11 Processor Module","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCP461-11\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-reliability processor module developed by Yokogawa for use in CENTUM CS3000 and CENTUM VP distributed control systems. Installed as the central CPU within a Field Control Unit (FCU), this module is responsible for executing control strategies, coordinating I\/O data exchange, and maintaining deterministic system operation under continuous load.\u003c\/p\u003e\n\u003cp\u003eDesigned for long-term deployment in mission-critical process plants, the CP461-11 emphasizes operational stability, predictable scan performance, and seamless integration with Yokogawa’s V-net control architecture.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Functions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCP461-11\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as the computational core of the FCU, performing the following functions:\u003c\/p\u003e\n\u003cp\u003e• Execution of regulatory, sequence, and logic control programs\u003cbr\u003e• Real-time data processing and system diagnostics\u003cbr\u003e• Communication management between I\/O nodes and system networks\u003cbr\u003e• Support for fault-tolerant CPU redundancy configurations\u003c\/p\u003e\n\u003cp\u003eThe module is engineered to maintain control continuity even during component failure when deployed in a redundant setup.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProcessor and Memory Architecture\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCP461-11\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis built around an industrial-grade processor optimized for deterministic control workloads rather than general computing tasks.\u003c\/p\u003e\n\u003cp\u003eTypical architecture characteristics include:\u003c\/p\u003e\n\u003cp\u003e• Dedicated control program memory\u003cbr\u003e• High-speed data memory for real-time variables\u003cbr\u003e• Non-volatile storage for configuration and system parameters\u003cbr\u003e• Optimized execution cycle suitable for large and complex control loops\u003c\/p\u003e\n\u003cp\u003eActual memory capacity and processor frequency may vary depending on hardware revision, but all CP461-11 variants meet Yokogawa’s real-time performance requirements for large-scale DCS applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCommunication and System Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module communicates internally through the FCU backplane and externally via Yokogawa system networks.\u003c\/p\u003e\n\u003cp\u003eSupported communication characteristics include:\u003c\/p\u003e\n\u003cp\u003e• High-speed FCU internal bus communication\u003cbr\u003e• Real-time data exchange with I\/O node units\u003cbr\u003e• Compatibility with V-net or V-net\/IP architectures\u003cbr\u003e• Support for redundant communication paths\u003c\/p\u003e\n\u003cp\u003eThis design ensures stable data flow between controllers, operator stations, and field interfaces.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eRedundancy and Fault Tolerance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCP461-11\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports dual-CPU redundant configurations, enabling continuous operation without process interruption.\u003c\/p\u003e\n\u003cp\u003eRedundancy features include:\u003c\/p\u003e\n\u003cp\u003e• Automatic CPU switchover on fault detection\u003cbr\u003e• No control loop reset during transition\u003cbr\u003e• Continuous synchronization between primary and standby CPUs\u003c\/p\u003e\n\u003cp\u003eThis makes the module suitable for plants where downtime or control loss is unacceptable.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental and Mechanical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCP461-11\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed for installation in control cabinets and system racks typical of CENTUM FCUs.\u003c\/p\u003e\n\u003cp\u003eKey characteristics include:\u003c\/p\u003e\n\u003cp\u003e• Operating temperature range: 0 °C to +50 °C\u003cbr\u003e• Humidity tolerance: 5–95% RH, non-condensing\u003cbr\u003e• High immunity to electrical noise and EMC interference\u003cbr\u003e• Passive convection cooling, no forced airflow required\u003cbr\u003e• Plug-in module format for FCU base units\u003cbr\u003e• Hot replacement supported when used in redundant systems\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCP461-11\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprocessor module is commonly deployed in:\u003c\/p\u003e\n\u003cp\u003e• Oil and gas production and refining facilities\u003cbr\u003e• Chemical and petrochemical processing plants\u003cbr\u003e• Power generation and utility control systems\u003cbr\u003e• Large-scale continuous and batch process automation\u003cbr\u003e• Any DCS environment requiring high availability and long service life\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eRelated and Compatible Modules\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCP461-11\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis part of Yokogawa’s CP46x processor family. Other models within the series may differ in processing capacity, supported system versions, or lifecycle status but share the same FCU integration concept.\u003c\/p\u003e\n\u003cp\u003eFor system upgrades or replacements, compatibility with existing FCU base units and CENTUM system versions should be verified.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the CP461-11 be used in non-redundant FCU configurations?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The module operates in both single and redundant CPU architectures, depending on system design.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the CP461-11 hot-swappable?\u003c\/strong\u003e\u003cbr\u003eA: Hot replacement is supported only in redundant CPU configurations. In single-CPU systems, shutdown is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the CP461-11 support CENTUM VP systems?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The CP461-11 is compatible with both CENTUM CS3000 and CENTUM VP platforms, subject to system version compatibility.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":42894594670682,"sku":"CP461-11","price":264.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/CP461-112.jpg?v=1770360870","url":"https:\/\/www.plcmasters.com\/fa\/products\/yokogawa-cp461-11-processor-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}