{"product_id":"yokogawa-aff50d-h41201-duplexed-field-control-unit","title":"Yokogawa AFF50D-H41201 Duplexed Field Control Unit","description":"\u003ch2\u003eYokogawa AFF50D-H41201 Duplexed Field Control Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AFF50D-H41201\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAFF50D\u003c\/strong\u003e Duplexed Field Control Unit, operates as a dedicated hardware component for real-time control logic execution within CENTUM distributed control systems. It provides dual-redundant processing and communication pathways for uninterrupted signal computation and field interface management.\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa AFF50D-H41201\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\u003eApprox. 8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e19-inch rack-mountable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e0 to 50 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003e220-240 VAC: 230 VA \/ 24 VDC: 5.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eVR5432, 133 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMainMemory\u003c\/td\u003e\n\u003ctd\u003e32 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemoryProtection\u003c\/td\u003e\n\u003ctd\u003eBattery backup, up to 72 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBatteryRechargeTime\u003c\/td\u003e\n\u003ctd\u003eMinimum 48 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFCUStatusOutput\u003c\/td\u003e\n\u003ctd\u003e2 terminals (NC, C), 30 V DC max 0.3 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunicationInterface\u003c\/td\u003e\n\u003ctd\u003eDual-redundant V net; dual ESB bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerSupply\u003c\/td\u003e\n\u003ctd\u003e100-120 VAC 50\/60 Hz, 220-240 VAC 50\/60 Hz, 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe AFF50D-H41201 supports channel-to-channel isolation to prevent signal interference across process loops. It maintains compatibility with 4-20 mA HART loop protocols and supports FOUNDATION Fieldbus and PROFIBUS PA connectivity for direct device-level data acquisition. Cold junction compensation (CJC) is implemented for precise thermocouple measurement under fluctuating ambient conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What happens to the FCU outputs during a processor fault?\u003c\/strong\u003e\u003cbr\u003eA: The status contacts (NC, C) open immediately upon any FCU failure to signal downstream alarms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the AFF50D-H41201 memory battery be replaced without shutting down the unit?\u003c\/strong\u003e\u003cbr\u003eA: No. Battery replacement requires unit shutdown to preserve memory integrity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are the V net interfaces hot-swappable?\u003c\/strong\u003e\u003cbr\u003eA: No. Interface modules must be powered down before removal or installation.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the unit in a 19-inch standard rack with sufficient ventilation for heat dissipation.\u003c\/li\u003e\n\u003cli\u003eEnsure all power and communication cables are routed separately to avoid cross-talk or electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eGround all metal chassis points according to industrial earthing standards.\u003c\/li\u003e\n\u003cli\u003eAvoid exposure to direct moisture and corrosive aerosols despite the G3 conformal coating.\u003c\/li\u003e\n\u003cli\u003eMaintain at least 50 mm spacing around the FCU for airflow and service access.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44208994123864,"sku":"AFF50D-H41201","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/AFF50D-H41201-3.jpg?v=1780971464","url":"https:\/\/www.industriaxplc.com\/products\/yokogawa-aff50d-h41201-duplexed-field-control-unit","provider":"IndustriaX Limited","version":"1.0","type":"link"}