{"product_id":"yokogawa-pw402-power-supply","title":"Yokogawa PW402 Power Supply","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa PW402\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePW402\u003c\/strong\u003e Power Supply Module, operates as a dedicated hardware component for power distribution and voltage regulation within Centum VP and CS 3000 control system platforms.\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\u003ePW402\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\u003e2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e5.1 cm x 22.9 cm x 20.3 cm\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\u003eModel dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e100-120 VAC or 220-240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e+12 VDC \/ +24 VDC (High-power) or 24 VDC (Low-power)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHART Loop Protocol and Power Conditioning\u003c\/h3\u003e\n\u003cp\u003eThe PW402 module maintains process stability through precision voltage transformation and regulation tailored for DCS field control stations. When deployed in loops utilizing 4-20 mA HART signals, the module ensures low-ripple power delivery to prevent electromagnetic interference (EMI) with digital communication overlays. Proper channel-to-channel isolation is maintained within the backplane architecture to prevent ground loops that could otherwise degrade the signal-to-noise ratio in sensitive pressure or flow measurement loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the PW402 support hot-swapping during active system operations?\u003c\/p\u003e\n\u003cp\u003eA: System documentation requires a power-off sequence for the specific field control station before the module is extracted from the backplane to prevent electrical arcing or short-circuiting of the internal bus.\u003c\/p\u003e\n\u003cp\u003eQ: How is the output voltage configuration determined for the PW402-52 variant?\u003c\/p\u003e\n\u003cp\u003eA: The specific output profile is hard-coded into the internal circuitry of the variant. The PW402-52 is designated for low-power 24 VDC output configurations; ensure the field load does not exceed the rated wattage for this specific unit.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the control station cabinet is de-energized and verified with a calibrated multimeter before module insertion.\u003c\/li\u003e\n\u003cli\u003eVerify that the input power source matches the jumper settings or model label (100-120 VAC or 220-240 VAC) to avoid catastrophic power stage failure.\u003c\/li\u003e\n\u003cli\u003eAlign the module vertically with the backplane guide rails; seat the connector firmly to ensure physical mating of the pin array.\u003c\/li\u003e\n\u003cli\u003eSecure the module using the top and bottom captive screws to ensure chassis grounding and mechanical stability against cabinet vibrations.\u003c\/li\u003e\n\u003cli\u003eConfirm that the terminal wiring is routed through appropriate cable trays and is separated from high-voltage AC lines to maintain electromagnetic compatibility (EMC) standards.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":48701487120574,"sku":"PW402","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-08-12_10-47-02_11ddcdf5-96d4-45b3-a7db-bb245fa60429.png?v=1786504681","url":"https:\/\/www.autooiltech.com\/ar\/products\/yokogawa-pw402-power-supply","provider":"AutoOilTech Limited","version":"1.0","type":"link"}