{"product_id":"high-speed-sequence-plc-cpu-module-yokogawa-f3sp66-4s","title":"High-Speed Sequence PLC CPU Module | Yokogawa F3SP66-4S","description":"\u003ch2\u003eYokogawa F3SP66-4S FA-M3 Sequence CPU Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa F3SP66-4S\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eF3SP66-4S\u003c\/strong\u003e Sequence CPU Module, operates as a dedicated hardware component for high-speed sequence processing and real-time ladder logic execution within FA-M3 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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eF3SP66-4S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa Electric Corporation\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\u003e200 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e25 x 100 x 120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBase unit backplane supplied\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstruction Execution Speed\u003c\/td\u003e\n\u003ctd\u003e0.00375 us per basic instruction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgram Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 120K steps (1 MB user program)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Type\u003c\/td\u003e\n\u003ctd\u003eBattery-backed RAM with SD card extension slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eEthernet (10BASE-T\/100BASE-TX), RS-232C, RS-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax I\/O Handling\u003c\/td\u003e\n\u003ctd\u003eUp to 2,048 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe F3SP66-4S processing core manages complex control loops by transferring high-density I\/O values across the FA-M3 backplane bus. Internal bus coupling circuits provide complete electrical galvanic isolation between main CPU memory registers and peripheral field cards. When processing analog field signals routed through 4-20 mA HART loop protocol interface modules, the CPU relies on physical channel-to-channel isolation on the I\/O layer to eliminate ground loop voltage spikes, preventing noise interference from altering memory registers or corrupting serial\/Ethernet transmission frames.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the SD card slot function alongside the internal battery-backed RAM?\u003c\/p\u003e\n\u003cp\u003eA: The onboard battery-backed RAM retains active program logic and system data registers during power down, while the integrated SD card slot serves as secondary non-volatile storage for program backup, firmware flashing, and operational log file archiving.\u003c\/p\u003e\n\u003cp\u003eQ: Can the F3SP66-4S CPU module be inserted or removed while the main base rack is powered?\u003c\/p\u003e\n\u003cp\u003eA: No. The F3SP66-4S requires complete de-energization of the FA-M3 base unit power supply prior to module insertion or extraction to prevent backplane bus damage or corrupted system memory states.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eAlign the F3SP66-4S module guide rails with the designated CPU slot on the FA-M3 base rack and push firmly until the top and bottom retention latches snap securely into position. Maintain a low-impedance connection between the base rack grounding terminal and cabinet earth ground using minimum 2.0 mm2 wire to prevent electrostatic build-up. Route serial and Ethernet communication cables in dedicated wire raceways separated from 230 VAC power and high-current inductive motor wiring to ensure signal integrity across the RS-232C, RS-485, and RJ45 network links.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43895522295898,"sku":"F3SP66-4S","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/767_2efd1a96-2091-41e3-bb53-61d56faf75cd.jpg?v=1787539529","url":"https:\/\/www.spareoil.com\/products\/high-speed-sequence-plc-cpu-module-yokogawa-f3sp66-4s","provider":"SpareOil Automation","version":"1.0","type":"link"}