{"product_id":"yokogawa-afv10s-s31251-control-unit","title":"Yokogawa AFV10S-S31251 Control Unit","description":"\u003cp\u003eConfigured for process control in Vnet\/IP networks, the \u003cstrong\u003eYokogawa AFV105-S31251\u003c\/strong\u003e (\u003cstrong\u003eAFV105\u003c\/strong\u003e Field Control Unit) provides direct physical\/electrical execution of LFS1500 control functions for FIO node architectures.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAFV105:\u003c\/strong\u003e Base model for the Field Control Unit supporting Vnet\/IP and FIO.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-S:\u003c\/strong\u003e Standard type configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3:\u003c\/strong\u003e Dual-redundant Vnet\/IP, single power supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:\u003c\/strong\u003e Standard fixed code.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2:\u003c\/strong\u003e 220–240 VAC power supply input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:\u003c\/strong\u003e LFS1500 control function software suite.\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\u003eAFV105-S31251\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\u003eSubject to specific batch manufacturing data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard 19-inch chassis mass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e19-inch rack mountable 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSystem-specific load requirements\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\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eYokogawa DCS Process Control Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation:\u003c\/strong\u003e The control station architecture maintains galvanic isolation between the internal Vnet\/IP interface and the controller backplane, preventing transient noise propagation across the DCS network.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Protocol:\u003c\/strong\u003e The unit supports transparent HART communication, enabling the mapping of secondary process variables and diagnostic data from field transmitters into the controller's control logic via the I\/O node interface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold Junction Compensation (CJC):\u003c\/strong\u003e The FCU facilitates integrated CJC functionality for connected thermocouple input modules, ensuring high-accuracy temperature measurement within the process loop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Integration:\u003c\/strong\u003e The dual-redundant Vnet\/IP architecture ensures deterministic synchronization of process variables, maintaining control loop integrity during network communication failover events.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the internal battery backup be replaced while the FCU is in operation?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the battery unit is designed for hot-swapping. Ensure the system health status is verified on the engineering station prior to maintenance to prevent accidental loss of memory during the replacement interval.\u003c\/p\u003e\n\u003cp\u003eQ: How does the status contact output behave during a total FCU failure?\u003c\/p\u003e\n\u003cp\u003eA: The contact output consists of two terminals (NC, C) which remain in the closed position during normal operation; the contact points open upon detection of an FCU failure, signaling a fault state to external monitoring hardware.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Install the unit into a standard 19-inch instrumentation rack. Ensure the chassis is securely fastened to the frame to provide a stable reference and electrical bond for electromagnetic shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowering:\u003c\/strong\u003e Connect the 220–240 VAC input to a stable power source. A minimum of 48 hours of initial charging time is required for the backup battery to reach its full 72-hour protection capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Bond the chassis ground lug directly to the central instrumentation ground bus using a low-impedance, multi-strand braided copper cable to suppress high-frequency transients.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e Connect the dual-redundant Vnet\/IP network cables to the interface ports. Maintain physical separation between network runs to ensure fault-tolerant communication topology.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":45265368973427,"sku":"AFV10S-S31251","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/AFS30D_1_2de288dd-01a2-40ba-ae86-c13d967a7c18.jpg?v=1784542032","url":"https:\/\/www.dcssupplier.com\/products\/yokogawa-afv10s-s31251-control-unit","provider":"DcsSupplier Limited","version":"1.0","type":"link"}