{"product_id":"yokogawa-pfcd-s5520-field-control-station","title":"Yokogawa PFCD-S5520 Field Control Station","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa PFCD-S5520\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePFCD-S5520\u003c\/strong\u003e Field Control Station Rack, operates as a dedicated hardware component for process control and real-time execution within Yokogawa Centum CS and Centum VP distributed control system (DCS) 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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePFCD-S5520\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJapan \/ Indonesia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDuplexed Field Control Station (FCS) Rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcessor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eR4300 RISC 32-bit CPU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 MB RAM, 2 MB Flash Memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBattery backup up to 72 hours (48 hours recharge)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100-120 V AC, 220-240 V AC, or 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 200 VA (100-120 V AC) \/ 300 VA (220-240 V AC) \/ 9 A (24 V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e19-inch Rack Mounting (8 x M5 screws)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17.8 cm x 10.2 cm x 27.9 cm (7.0 in x 4.0 in x 11.0 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 16.0 kg (35.2 lbs) fully configured\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe PFCD-S5520 executes low-level control loop algorithms and interfaces directly with localized fieldbus environments:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Integration:\u003c\/strong\u003e The platform architecture supports analog processing modules with integrated HART protocol pass-through, enabling digital device diagnostics to run concurrently over the standard 4-20 mA hardware connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation Protection:\u003c\/strong\u003e Associated input\/output card nests installed within the PFCD-S5520 rack maintain galvanic isolation to prevent differential field-loop surge voltages from disrupting core processing cards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold Junction Compensation (CJC):\u003c\/strong\u003e Direct thermocouple input modules situated in the extension racks handle automated CJC locally, ensuring high-accuracy temperature measurements are transmitted to the redundant CPU processors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What happens to the memory state if main power to the station is lost?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The PFCD-S5520 features a built-in battery backup circuit. It retains the contents of the main volatile memory for a maximum of 72 hours during a power disruption, requiring a minimum recharge time of 48 hours once power is restored.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this rack support dual-redundant (duplexed) control cards?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. The \"PFCD\" designation represents a duplexed architecture. It accommodates redundant power supply cards, redundant CPU cards, and redundant control bus interfaces (V net).\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack Grounding Requirements:\u003c\/strong\u003e Ground the rack using a dedicated M4 screw terminal connection. The grounding wire must connect to a single-point instrument earth system with a ground resistance of less than 100 Ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Separations:\u003c\/strong\u003e Keep low-voltage DC signals and communication lines physically isolated from incoming AC power supply lines. Use segregated metallic conduits or wire trays to prevent inductive noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulation Bush Usage:\u003c\/strong\u003e Utilize the standard insulation bushes (accessories) during 19-inch rack mounting to ensure the physical frame is electrically isolated from the main structural cabinet metalwork.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Dissipation Spacing:\u003c\/strong\u003e Maintain clean airflow pathways above and below the rack assembly to prevent hot spots, ensuring the surrounding ambient temperature inside the cabinet remains below 60 deg C.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":45238664298611,"sku":null,"price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-07-10_17-48-56_b9f3b0e8-d2bf-4ecf-9d43-a047c123a56d.png?v=1784098951","url":"https:\/\/www.dcssupplier.com\/ar\/products\/yokogawa-pfcd-s5520-field-control-station","provider":"DcsSupplier Limited","version":"1.0","type":"link"}