{"product_id":"yokogawa-pw481-50-centum-vp-series-power-supply-modules","title":"YOKOGAWA PW481-50 CENTUM VP series Power Supply Modules","description":"\u003cp\u003eConfigured for high-efficiency primary power conversion in CENTUM VP control station nodes, the \u003cstrong\u003eYokogawa PW481-50\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePW481\u003c\/strong\u003e Power Supply Module, provides direct physical\/electrical execution. It transforms field AC distribution voltages into regulated DC power rails required by local backplane bus communications and field I\/O cards.\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\u003ePW481-50\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\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard CENTUM VP node slot format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e100 VA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e100-120 VAC (85-132 VAC range), 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC bus supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eCENTUM VP node unit backplane slot\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 PW481-50 supplies isolated system bus voltage across the CENTUM VP backplane to prevent common-mode noise transfer from field instrument lines. Integrated internal power regulation circuits maintain steady line voltage to adjacent analog input and output cards running 4-20 mA HART loop communication networks. Electromagnetic interference (EMI) filtering on the main power feed prevents high-frequency line transients from disrupting channel-to-channel isolation barriers or introducing signal jitter on process loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the PW481-50 power supply module be installed or replaced while the system node is operational?\u003c\/p\u003e\n\u003cp\u003eA: Yes, in a dual-redundant power configuration within a Yokogawa CENTUM VP node, a failed PW481-50 module can be hot-swapped without interrupting power to the backplane or disrupting online control operations.\u003c\/p\u003e\n\u003cp\u003eQ: What are the input voltage tolerances for the PW481-50 module?\u003c\/p\u003e\n\u003cp\u003eA: The module accepts an input rating of 100-120 VAC with an allowable operating range of 85 to 132 VAC at 47 to 63 Hz frequency limits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eVerify that the node chassis main earth terminal is connected to a low-impedance system ground according to standard industrial earthing regulations prior to mounting the power supply.\u003c\/li\u003e\n\u003cli\u003eInsert the PW481-50 firmly into its designated node slot until the backplane connectors seat completely, then tighten the top and bottom retaining screws to 0.5 Nm torque.\u003c\/li\u003e\n\u003cli\u003eEnsure line input wiring is properly stripped and secured under the terminal blocks. Maintain physical separation between raw AC power supply lines and low-voltage field instrument cabling.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52608876216600,"sku":"PW481-50","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/PW481-50.png?v=1788425873","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-pw481-50-centum-vp-series-power-supply-modules","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}