{"product_id":"yokogawa-centum-vp-pw501-s1-power-supply-module","title":"Yokogawa CENTUM VP PW501-S1 Power Supply Module","description":"\u003ch2\u003eYokogawa PW501-S1 Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa PW501-S1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePW501\u003c\/strong\u003e Power Supply Module, operates as a dedicated hardware component for converting wide-range AC mains input into regulated 24 VDC power distribution within Yokogawa CENTUM VP and CS 3000 distributed control system architectures.\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\u003ePW501-S1 (Base Model: PW501)\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\u003e1.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e150 x 120 x 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e85-264 VAC (50\/60 Hz) or 120-370 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC (+\/- 0.5% regulation accuracy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e20 A continuous (25 A peak for 10 s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e480 W continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e92% to 95% at nominal full load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRipple and Noise\u003c\/td\u003e\n\u003ctd\u003eLess than 50 mV peak-to-peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eSupports parallel redundancy up to 4 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eNatural convection (fanless)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, UL, CSA, ATEX Zone 2, IEC 61010-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Power Distribution and Channel Isolation Features\u003c\/h3\u003e\n\u003cp\u003eThe PW501-S1 maintains regulated DC output stability under line and load fluctuations, preventing power supply noise from coupling into analog input loops. Standard field instrumentation topology depends on clean power delivery across 4-20 mA HART loop protocol circuits, where power supply ripple directly impairs signal resolution. Integrated galvanic channel-to-channel isolation within downstream modules relies on the low-noise output baseline of the PW501-S1 to suppress common-mode ground loops across distributed I\/O racks. Furthermore, clean 24 VDC rail performance ensures accurate cold junction compensation (CJC) calculations on adjacent thermocouple termination assemblies by eliminating thermal variance caused by supply ripple.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the PW501-S1 power supply module be replaced while the control system remains powered?\u003c\/p\u003e\n\u003cp\u003eA: Technicians can hot-swap the PW501-S1 provided that the module operates within a parallel redundant configuration where at least one secondary power module shares the backplane bus load. When removing a single non-redundant PW501-S1 module, engineers must de-energize the incoming field circuit to prevent controller shutdown.\u003c\/p\u003e\n\u003cp\u003eQ: How does the PW501-S1 handle output short circuits or over-temperature events?\u003c\/p\u003e\n\u003cp\u003eA: The module incorporates built-in overvoltage, overcurrent, and over-temperature protection circuits. Upon detection of a direct short or thermal overload, the unit enters a hiccup protection mode and automatically recovers normal operation once the thermal limit resets or the fault clears.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the PW501-S1 vertically on a standard DIN rail or panel surface within a well-ventilated industrial enclosure. Maintenance crews must maintain a minimum clearance of 50 mm above and below the chassis to allow unimpeded natural thermal convection. Additionally, technicians must secure the primary protective earth (PE) ground wire directly to the chassis ground terminal before applying input voltage. Route high-voltage AC input lines away from low-voltage 24 VDC output wiring and field communications cables to minimize electromagnetic interference. Always verify that wire gauge sizing matches the 20 A continuous current rating to limit voltage drop across long wiring runs.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43787207671898,"sku":"PW501","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/717.jpg?v=1785895045","url":"https:\/\/www.spareoil.com\/ar\/products\/yokogawa-centum-vp-pw501-s1-power-supply-module","provider":"SpareOil Automation","version":"1.0","type":"link"}