{"product_id":"yokogawa-pw481-11-centum-vp-power-supply-module","title":"Yokogawa PW481-11 CENTUM VP Power Supply Module","description":"\u003ch2\u003eYokogawa PW481-11 S2 CENTUM VP Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa PW481-11 S2\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePW481-11\u003c\/strong\u003e Power Supply Module, operates as a dedicated hardware component for regulated DC power distribution within CENTUM VP Field Control Unit racks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSuffix Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOption Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription \/ Specification Detail\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-11\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e--\u003c\/td\u003e\n\u003ctd\u003eStandard AC power supply module variant (supersedes PW481-51)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStyle S2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e--\u003c\/td\u003e\n\u003ctd\u003eRevision level denoting standard environmental and physical compliance\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\u003ePW481-11 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\u003e0.4 kg (net module), 2.0 kg (gross shipping weight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e120 mm x 25 mm x 130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax 200 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e100 to 240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Frequency\u003c\/td\u003e\n\u003ctd\u003e47 to 63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5 VDC \/ 24 VDC system distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003eUp to 20 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Capacity\u003c\/td\u003e\n\u003ctd\u003e100 W nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 100 M ohm at 500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e10 to 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Compliance\u003c\/td\u003e\n\u003ctd\u003eISA-71.04 Class G3, CE, UL Compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation \u0026amp; HART Loop Subsystem Protection\u003c\/h3\u003e\n\u003cp\u003eThe power conversion topology features reinforced galvanic isolation rated for 100 M ohm at 500 VDC between line input terminals and internal logic rails. This physical barrier blocks line-borne high-voltage transients from reaching internal system backplane buses. By stabilizing internal system voltage rails under fluctuating mains conditions, the power module preserves signal integrity across field-side 4-20 mA HART loop protocol interfaces and eliminates supply-induced noise on channel-isolated analog input channels.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does replacing a PW481-11 S2 module require shutting down the Field Control Unit (FCU)?\u003c\/p\u003e\n\u003cp\u003eA: No. Hot-swap replacement is fully supported when the host rack is configured with dual-redundant power supplies. Removing one module does not disturb system logic execution, as the parallel PW481-11 unit carries the full internal DC current load automatically.\u003c\/p\u003e\n\u003cp\u003eQ: Can the PW481-11 serve as a direct replacement for older PW481-51 modules?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The PW481-11 functional revision directly supersedes the PW481-51 module variant, maintaining backward mechanical and electrical pin compatibility across CENTUM VP AFV10S and AFV10D Field Control Unit chassis slots.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Connector Inspection\u003c\/strong\u003e: Verify that the backplane receptacle pins in the designated power slot are clean and free of distortion before sliding the PW481-11 S2 module into position. Secure the module using top and bottom retention latches to maintain proper electrical pin contact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipotential Frame Grounding\u003c\/strong\u003e: Connect the field control rack frame to functional earth (FE) using a dedicated conductor with a minimum gauge of 5.5 mm2. Ensure the safety ground terminal impedance remains under 1 ohm to dissipate high-frequency noise transients.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMains Supply Wiring Separation\u003c\/strong\u003e: Route incoming AC power lines in separate cable channels away from low-voltage DC signals, ESB\/ER bus cables, and network lines. Maintain a clearance gap of at least 200 mm to avoid electromagnetic noise coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Dissipation Compliance\u003c\/strong\u003e: Maintain unobstructed airflow around cabinet ventilation louvers. Ensure ambient rack enclosure temperatures stay between 0 deg C and +55 deg C to maximize internal component service life.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43855945662554,"sku":"PW481-11","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/42._7da5c8f1-1edc-42be-ae26-f4d8ff76e3c7.jpg?v=1786948730","url":"https:\/\/www.spareoil.com\/products\/yokogawa-pw481-11-centum-vp-power-supply-module","provider":"SpareOil Automation","version":"1.0","type":"link"}