{"product_id":"yokogawa-pw401-power-supply-module-centum-dcs-and-prosafe-rs","title":"Yokogawa PW401 Power Supply Module CENTUM DCS and ProSafe-RS","description":"\u003ch2\u003eYokogawa PW401 Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa PW401\u003c\/strong\u003e Power Supply Module, also cataloged as the \u003cstrong\u003ePW401\u003c\/strong\u003e Power Supply, serves as the primary hardware component utilized to execute regulated DC voltage distribution across CENTUM DCS, CENTUM VP, and ProSafe-RS platforms. It provides direct electrical conversion from AC input to controlled DC output for CPUs, I\/O modules, and associated control-station electronics within mission-critical architectures.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe PW401 series utilizes specific suffixes to designate voltage output and physical form factors. Ensure the selected model aligns with the specific backplane or rack requirements of the installation:\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModel Suffix\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePW401\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003ctd\u003eCENTUM DCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePW401-S2\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003ctd\u003eStandard Control Station\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePW401-S4\u003c\/td\u003e\n\u003ctd\u003e5 VDC \/ 20 A\u003c\/td\u003e\n\u003ctd\u003eCENTUM VP \/ ProSafe-RS\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\u003ePW401\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\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e85-264 VAC \/ 100-240 VAC (Model Dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003eUp to 20 A (S4 variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.2 kg - 3.26 kg (Model Dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e5.08 x 20.32 x 20.32 cm (S2 variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eModel Dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; Power Distribution\u003c\/h3\u003e\n\u003cp\u003eThe module facilitates stable power delivery through dedicated internal circuitry designed to mitigate voltage fluctuations. Integral to the Yokogawa DCS ecosystem, it supports channel-to-channel isolation and load sharing in redundant power configurations. The module is engineered to provide cold junction compensation (CJC) stability for peripheral I\/O modules, ensuring that transient AC input variations do not compromise the DC rail integrity required for deterministic controller logic processing.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: Does the PW401 support hot-swap replacement under load?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module is designed for hot-swap capability. It allows for field replacement without necessitating a full shutdown of the associated control station, provided that redundant power supplies are active and the backplane configuration permits.\u003c\/p\u003e\n\u003cp\u003eQ: How does the unit manage thermal dissipation in high-density racks?\u003c\/p\u003e\n\u003cp\u003eA: The chassis is constructed to utilize convection cooling. Ensure that ventilation clearances are maintained according to the rack specification to prevent thermal derating of the internal components.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Ensure the PW401 is securely seated into the designated DCS\/SIS backplane slot. Confirm that the mechanical locking mechanism engages fully to maintain proper electrical contact with the bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use shielded, twisted-pair cabling for power distribution to minimize electromagnetic interference (EMI). Ensure that input AC terminals are tightened to manufacturer-specified torque limits to prevent resistive heating at the contact point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Maintain a low-impedance connection to the system ground bus. The metal chassis must be bonded to the cabinet ground to ensure effective surge protection and noise immunity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspection:\u003c\/strong\u003e Periodically check the diagnostic LED indicators for power status. A steady state confirms nominal operation; flashing indicators typically signal an overvoltage or current-limit condition requiring investigation of the connected load.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43600618029146,"sku":"PW401","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/452._c5abe928-28ff-464b-b929-227c24ee3c22.jpg?v=1783304372","url":"https:\/\/www.spareoil.com\/products\/yokogawa-pw401-power-supply-module-centum-dcs-and-prosafe-rs","provider":"SpareOil Automation","version":"1.0","type":"link"}