{"product_id":"aff50d-h41101-yokogawa-centum-vp-duplex-field-control-unit","title":"AFF50D-H41101 Yokogawa CENTUM VP Duplex Field Control Unit","description":"\u003ch2\u003eYokogawa AFF50D-H41101 CENTUM VP Field Control Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AFF50D-H41101\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAFF50D\u003c\/strong\u003e Duplexed Field Control Unit, operates as a dedicated hardware component for central logic execution and I\/O coordination within Yokogawa CENTUM VP control platforms.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe complete model and suffix string AFF50D-H41101 defines a specific hardware build for the Field Control Unit:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAFF50D\u003c\/strong\u003e: Base model code for Duplexed Field Control Unit (for Vnet\/IP).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-H\u003c\/strong\u003e: Basic processing execution layout with dual VR5432 CPUs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4\u003c\/strong\u003e: Dual-redundant 100-120 VAC power supply specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\u003c\/strong\u003e: Standard unit configuration without specialized interface modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\u003c\/strong\u003e: Basic functional setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e01\u003c\/strong\u003e: Option code designating specific system firmware revision and memory expansion parameters.\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\u003eAFF50D-H41101\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\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e8.00 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e186 x 228 x 130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e200 VA (at 100-120 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eDual VR5432 (133 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain Memory\u003c\/td\u003e\n\u003ctd\u003e32 MB with battery backup (up to 72 hours)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Communication\u003c\/td\u003e\n\u003ctd\u003eDual-redundant Vnet\/IP network interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpansion Bus\u003c\/td\u003e\n\u003ctd\u003eDual-redundant ESB bus interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eStandard 19-inch rack format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Process Control \u0026amp; Network Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe AFF50D-H41101 unit executes deterministic real-time control algorithms across dual 133 MHz VR5432 microprocessors arranged in a hot-standby pair. Communication controllers pass data packets over redundant Vnet\/IP network lines while maintaining channel-to-channel isolation to block stray electrical noise. Downstream expansion racks interface via dual ESB bus connections, providing high-speed access to remote I\/O signals. Integrated power supply modules isolate the central CPU backplane from incoming AC line transients, and dedicated battery circuits backup main memory registers during total utility power outages to maintain process states.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the duplex CPU setup perform failover during a central processor failure?\u003c\/p\u003e\n\u003cp\u003eA: The standby CPU runs in hardware lockstep; upon detecting a primary CPU fault through hardware diagnostics, control transfers to the backup processor within microseconds without bump or output cycle disruption.\u003c\/p\u003e\n\u003cp\u003eQ: How long does the internal battery backup hold memory data during power failures?\u003c\/p\u003e\n\u003cp\u003eA: The fully charged battery unit maintains 32 MB main memory retention for up to 72 hours under standard thermal ambient conditions.\u003c\/p\u003e\n\u003cp\u003eQ: Can maintenance teams replace a faulty power supply module while the Field Control Unit remains operational?\u003c\/p\u003e\n\u003cp\u003eA: Yes, in dual-redundant power configurations, technicians can hot-swap a single power supply module while the surviving power card handles the internal 24 VDC and 5 VDC system loads.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the 19-inch cabinet chassis into standard rack frames using four M6 panel screws tightened to 4.5 Nm.\u003c\/li\u003e\n\u003cli\u003eConnect dual AC power feeders from independent circuit breakers to the primary and secondary power terminals to ensure redundant supply paths.\u003c\/li\u003e\n\u003cli\u003eAttach dedicated green\/yellow ground conductors (minimum 5.5 mm2) directly from the frame ground chassis terminal to the cabinet functional earth bus bar.\u003c\/li\u003e\n\u003cli\u003eSecure Vnet\/IP coaxial or CAT6e communication cables with cable strain relief clamps, maintaining a minimum bend radius of 75 mm inside wire raceways.\u003c\/li\u003e\n\u003cli\u003eLeave at least 1 U (44.45 mm) of open ventilation space above and below the controller housing to allow adequate vertical convection cooling across the internal heatsinks.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43881959161946,"sku":"AFF50D-H41101","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/414._0e195e1d-8c28-49ee-bf78-e468094e489e.jpg?v=1787279974","url":"https:\/\/www.spareoil.com\/products\/aff50d-h41101-yokogawa-centum-vp-duplex-field-control-unit","provider":"SpareOil Automation","version":"1.0","type":"link"}