{"product_id":"digital-output-module-yokogawa-nfdv551-p11-centum-vp","title":"Digital Output Module | Yokogawa NFDV551-P11 CENTUM VP","description":"\u003ch2\u003eYokogawa NFDV551-P11 CENTUM VP FCU Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for 24 VDC voltage regulation and digital signal switching in CENTUM VP architectures, the \u003cstrong\u003eYokogawa NFDV551-P11\u003c\/strong\u003e (\u003cstrong\u003eNFDV551\u003c\/strong\u003e FCU Power Supply Module) provides direct physical\/electrical execution. Converting 100-240 VAC mains input into a highly regulated DC output, the unit drives Field Control Unit (FCU) backplanes and associated digital output loads. The hardware supports dual-redundant pairing to prevent logic bus voltage drops during heavy industrial I\/O switching cycles.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSuffix Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunctional Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNFDV551\u003c\/td\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003eDigital Output \/ FCU Power Supply Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-P\u003c\/td\u003e\n\u003ctd\u003eHardware Style\u003c\/td\u003e\n\u003ctd\u003eConfigured for redundant system architectures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eRevision Code\u003c\/td\u003e\n\u003ctd\u003eStandard firmware and electrical isolation configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eNFDV551-P11\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\u003eUSA \/ Japan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.4 kg net (13.6 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e33 mm W x 127 mm H x 147 mm D\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\u003eConverts 100-240 VAC to 24 VDC (Up to 5 A output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 85% at full load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eGalvanic isolation between AC primary and DC secondary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Limits\u003c\/td\u003e\n\u003ctd\u003eIntegrated overvoltage, overcurrent, and short-circuit suppression\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eDual redundant operation supported via backplane architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eGalvanic Isolation \u0026amp; 4-20 mA HART Loop Protection\u003c\/h3\u003e\n\u003cp\u003eThe NFDV551-P11 incorporates strict galvanic isolation barriers separating the high-voltage AC mains input from the sensitive 24 VDC system backplane. When powering CENTUM VP racks housing analog modules that process 4-20 mA HART loop protocol frequencies or millivolt CJC (cold junction compensation) signals, the regulated DC output prevents common-mode noise propagation. This primary-to-secondary isolation ensures that switching transients and ground loops do not corrupt channel-to-channel isolation integrity across adjacent high-density I\/O node cards.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the module handle load sharing in a dual-redundant configuration?\u003c\/p\u003e\n\u003cp\u003eA: In a redundant pair, both NFDV551-P11 modules share the backplane load. If one unit experiences an internal fault or loss of AC input, the secondary module instantly assumes the full 5 A current demand without DC bus voltage interruption or switching latency.\u003c\/p\u003e\n\u003cp\u003eQ: Is hot-swapping supported for this module?\u003c\/p\u003e\n\u003cp\u003eA: Yes, if the FCU chassis is configured with dual-redundant power supplies. A single faulted module can be unseated and replaced while the rack remains energized, allowing continuous deterministic logic execution.\u003c\/p\u003e\n\u003cp\u003eQ: What mechanisms protect the backplane from external field shorts?\u003c\/p\u003e\n\u003cp\u003eA: The internal circuitry features active overcurrent and short-circuit protection. If the DC draw exceeds the 5 A limit, the module automatically clamps the output to prevent thermal damage to the switching components and system bus pins.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Seating:\u003c\/strong\u003e Insert the module firmly into the designated FCU power slot. Secure the top and bottom retention screws to a maximum torque of 0.6 Nm to ensure proper grounding via the backplane chassis rail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Wiring:\u003c\/strong\u003e Strip the AC input conductors to exactly 8 mm and terminate using insulated ferrule crimps. Bare wire insertion is prohibited to prevent stray strand arcing across the 100-240 VAC terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding Protocol:\u003c\/strong\u003e Bond the module's protective earth (PE) terminal directly to the cabinet ground bar using a low-impedance copper conductor (minimum 14 AWG) to dissipate surge voltage limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Convection Clearance:\u003c\/strong\u003e Ensure a minimum vertical clearance of 50 mm above and below the FCU node assembly. Natural convection must be maintained to keep the internal component ambient limits between 0 and +55 deg C.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43796454047834,"sku":"NFDV551-P11","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/182._103611b9-035f-4e3d-963a-9aa9dbbb4723.jpg?v=1786071456","url":"https:\/\/www.spareoil.com\/es\/products\/digital-output-module-yokogawa-nfdv551-p11-centum-vp","provider":"SpareOil Automation","version":"1.0","type":"link"}