{"product_id":"yokogawa-pw442-50-pw442-50-s2-centum-power-supply-module","title":"Yokogawa PW442-50 PW442-50-S2 CENTUM Power Supply Module","description":"\u003ch2\u003eYokogawa PW442-50 Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa PW442-50\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePW442-50-S2\u003c\/strong\u003e Power Supply Module, operates as a dedicated hardware component for AC to DC power conversion and regulated backplane power distribution within CENTUM VP and CENTUM CS 3000 Field Control Station chassis networks.\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\u003ePW442-50 (PW442-50-S2)\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\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e49.7 x 130 x 146.5 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 (extended: -20 to 70 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e1200 W output capacity (50 W node rated output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e100-240 VAC (nominal 220-240 VAC, 50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC regulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003eUp to 7.8 A nominal (50 A peak handling capability)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e93% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit Protection\u003c\/td\u003e\n\u003ctd\u003eInrush current limiting, overcurrent, and short-circuit protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eGalvanic Isolation \u0026amp; Fieldbus Loop Power Dynamics\u003c\/h3\u003e\n\u003cp\u003eThe PW442-50 incorporates galvanic isolation between the main AC input line and the internal DC output stages to eliminate common-mode ground loops across distributed node units. By stabilizing the primary 24 VDC backplane rail, the unit maintains steady power delivery for analog input cards, HART loop communication interfaces, and 4-20 mA instrumentation circuits operating on the local control network.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is hot-swapping permitted when replacing a faulty PW442-50 module?\u003c\/p\u003e\n\u003cp\u003eA: Yes, hot-swapping is permitted provided the Field Control Station rack operates in a dual-redundant hot-standby configuration where the secondary module maintains full system load.\u003c\/p\u003e\n\u003cp\u003eQ: How does the power supply handle transient line spikes on the AC input?\u003c\/p\u003e\n\u003cp\u003eA: Internal overvoltage protection circuits and inrush current limiting suppress AC line surges before they propagate to the backplane, preserving signal integrity across connected I\/O channels.\u003c\/p\u003e\n\u003cp\u003eQ: What mounting procedure secures the unit within the chassis frame?\u003c\/p\u003e\n\u003cp\u003eA: Slide the module vertically along the chassis guide rails until the backplane edge connector fully seats, then tighten the faceplate retaining screws to establish structural alignment and frame ground continuity.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMain AC Disconnection: De-energize primary AC power feeds before connecting field power leads to the chassis terminal assembly, unless performing an authorized hot-swap under active dual-redundant power conditions.\u003c\/li\u003e\n\u003cli\u003eSlot Insertion: Guide the module carefully along the card slot tracks inside the node chassis until the rear connector latches into the backplane power bus.\u003c\/li\u003e\n\u003cli\u003eScrew Attachment: Tighten the upper and lower panel thumbscrews to secure the unit against operational vibration and ensure low-resistance metallic bonding to the system protective earth ground.\u003c\/li\u003e\n\u003cli\u003eClearance and Wiring: Maintain unobstructed vertical air paths above and below the chassis for passive convective cooling. Route low-voltage DC bus lines away from high-voltage AC input lines.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43859518554202,"sku":"PW442-50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/828..jpg?v=1787017394","url":"https:\/\/www.spareoil.com\/products\/yokogawa-pw442-50-pw442-50-s2-centum-power-supply-module","provider":"SpareOil Automation","version":"1.0","type":"link"}