{"product_id":"yokogawa-nfpw441-50-power-supply-module","title":"Yokogawa NFPW441-50 Power Supply Module","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa NFPW441-50\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eNFPW441\u003c\/strong\u003e Power Supply Module, serves as the primary \u003cstrong\u003eNFPW441\u003c\/strong\u003e Power Supply Module utilized to execute primary power conversion across STARDOM control station platforms. It transforms 100-120 V AC incoming mains distribution into dual-regulated output rails consisting of +5.1 V DC for system backplane electronics and 24 V DC for field device excitation.\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\u003eNFPW441-50\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\u003e0.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard STARDOM module slot format\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\u003eDual output system and field load profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e100-120 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e+5.1 V DC (7.8 A) and 24 V DC (4 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eSYS LED (+5.1 V DC ON), FLD LED (24 V DC ON)\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 NFPW441-50 incorporates internal switching regulation and physical isolation barriers that prevent AC line noise from transferring to downstream system backplane logic. By providing a clean, ripple-free 24 V DC auxiliary supply rail, the module powers local loop transmitters while preserving channel-to-channel isolation. This stable supply foundation minimizes common-mode interference on connected I\/O channels, protecting 4-20 mA HART loop communication networks against power line ripple and voltage sagging.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the NFPW441-50 module be replaced without removing AC mains power from the entire rack?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the NFPW441-50 features a hot-swappable architecture that enables module replacement during system operation when used in redundant node power configurations, preventing control station downtime.\u003c\/p\u003e\n\u003cp\u003eQ: How do the local panel LEDs indicate the operational state of the dual DC output rails?\u003c\/p\u003e\n\u003cp\u003eA: The front panel includes a green SYS LED that illuminates when the +5.1 V DC internal system backplane rail is active, and a FLD LED that indicates active status for the 24 V DC field device power rail.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eConfirm the node base chassis is securely grounded to a local protective earth bar before seating the power supply module into its dedicated backplane slot.\u003c\/li\u003e\n\u003cli\u003eSlide the NFPW441-50 firmly into the chassis guide rails until the backplane multi-pin connectors engage completely, then hand-tighten the module mounting screws.\u003c\/li\u003e\n\u003cli\u003eRoute incoming 100-120 V AC mains wiring through dedicated high-voltage channels, maintaining physical separation from low-voltage field signal and bus cables.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52608893813016,"sku":"NFPW441-50","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/NFSB100-S50_3_4e93d7ce-ab9d-43bb-8ed8-c493fdfd5bae.jpg?v=1788426090","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-nfpw441-50-power-supply-module","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}