{"product_id":"yokogawa-aff50d-h41201-fcu-processor-module","title":"Yokogawa AFF50D-H41201 FCU Processor Module","description":"\u003carticle\u003e\n\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa AFF50D-H41201\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a Field Control Unit processor designed for CENTUM VP distributed control systems. Acting as the core computing module within a Field Control Station, it is responsible for executing real-time control strategies, coordinating I\/O data exchange, and maintaining stable system operation under continuous industrial workloads.\u003c\/p\u003e\n\u003cp\u003eBuilt for high-reliability process environments, this FCU processor supports redundant configurations and integrates seamlessly with Yokogawa’s Vnet\/IP control network, making it suitable for safety-critical and mission-critical automation architectures.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Functional Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAFF50D-H41201\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emanages both control execution and system coordination within a CENTUM VP node. Its architecture is optimized for deterministic response, ensuring predictable scan cycles even in large-scale control applications.\u003c\/p\u003e\n\u003cp\u003eCore control functions include continuous regulatory control, interlock and sequence execution, logical operations, and batch-oriented process handling. The processor communicates directly with FIO and RIO subsystems, enabling scalable I\/O expansion without compromising performance.\u003c\/p\u003e\n\u003cp\u003eThe H41201 hardware option denotes a specific factory-defined configuration covering firmware compatibility, processing resources, and lifecycle alignment within the AFF50D product family.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eControl and Network Architecture\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis FCU processor operates on Yokogawa’s Vnet\/IP real-time control network, providing high-speed, deterministic data transfer between controllers, operator stations, and engineering workstations. Dual CPU operation is supported, allowing automatic failover without interrupting field control execution.\u003c\/p\u003e\n\u003cp\u003eHot replacement is possible when deployed in a redundant configuration, minimizing maintenance-related downtime in 24\/7 operating plants.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eSystem and Control\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eModel:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAFF50D-H41201\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProduct Category: Field Control Unit Processor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eControl Platform: Yokogawa CENTUM VP\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupported Control Types: PID, logic, sequence, batch, advanced control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRedundancy: Dual FCU CPU configuration supported\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eI\/O Integration: Compatible with FIO and RIO subsystems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003ePerformance Characteristics\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eProcessor Type: Industrial-grade high-speed CPU (AFF50D class)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExecution Cycle: Deterministic, user-configurable scan timing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMemory Resources: Expanded internal memory for control databases, alarms, and diagnostics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSystem Scalability: Designed for large I\/O counts and complex control strategies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eElectrical Characteristics\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePower Input: Supplied via FCU baseplate\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLogic Voltage: 5 V DC (system-supplied)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTypical Power Consumption: 10 to 15 W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eMechanical and Installation\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMounting Method: CENTUM VP FCS baseplate installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCooling Method: Passive air cooling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintenance: Online replacement supported in redundant systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eEnvironmental Ratings\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOperating Temperature: 0 °C to 55 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStorage Temperature: −40 °C to 70 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRelative Humidity: 5–95%, non-condensing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEMC Compliance: Designed to meet industrial electromagnetic immunity requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Application Areas\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAFF50D-H41201\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis widely deployed in continuous and batch processing environments requiring long-term operational stability, including oil and gas production, refining units, petrochemical plants, chemical processing facilities, and power generation systems.\u003c\/p\u003e\n\u003cp\u003eIts redundant design and deterministic control behavior make it particularly suitable for plants with high availability and uptime requirements.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eIs the AFF50D-H41201 compatible with older CENTUM systems\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module is specifically designed for CENTUM VP architectures. Compatibility with legacy systems depends on controller generation and system software version.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCan this processor be replaced while the system is running\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. When installed in a redundant FCU configuration, the processor supports online replacement without halting control execution.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat does the H41201 suffix indicate\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eH41201 identifies a specific Yokogawa hardware and firmware configuration within the AFF50D processor series, ensuring defined performance and lifecycle consistency.\u003c\/p\u003e\n\u003c\/article\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":42881464336474,"sku":"AFF50D-H41201","price":264.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/AFF50D-H412012.jpg?v=1770270489","url":"https:\/\/www.plcmasters.com\/ms\/products\/yokogawa-aff50d-h41201-fcu-processor-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}