{"product_id":"emerson-ve5128-deltav-ovation-system-power-supply","title":"Emerson VE5128 DeltaV Ovation System Power Supply","description":"\u003cp\u003eThe \u003cstrong\u003eEmerson VE5128\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eVE5128\u003c\/strong\u003e System Power Supply, operates as a dedicated hardware component for stable DC\/DC power distribution within DeltaV and Ovation distributed 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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVE5128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEmerson (DeltaV \/ Ovation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnited States (USA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC\/DC System Power Supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 VDC \/ 24 VDC nominal bulk input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+5 VDC, +3.3 VDC (Controller Logic), +12 VDC (I\/O Interface)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConformal coating against environmental particulates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRedundancy Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLoad-sharing active redundancy support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 to 95 percent non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.2 kg\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 Interfacing\u003c\/h3\u003e\n\u003cp\u003eThe VE5128 module processes raw DC input power to distribute precise voltages to active logic carriers and field interfaces.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Protocol System Support:\u003c\/strong\u003e By providing steady 12 VDC auxiliary output, the module stabilizes the diagnostic communication channels necessary for uninterrupted HART field device transmissions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic Channel Isolation:\u003c\/strong\u003e Circuit pathways within the power supply prevent ground-loop cross-talk and block high-voltage transients on the bulk supply side from feeding through to the sensitive 3.3 VDC controller logic circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Diode Auctioning:\u003c\/strong\u003e Features integrated Schottky diode paths for seamless redundancy matching, facilitating dynamic load-sharing when paired in parallel configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the VE5128 module be hot-swapped under active load?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. In a redundant dual-power configuration, the VE5128 can be inserted or removed from the carrier backplane without disrupting primary system logic or causing voltage dips.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the benefit of the conformal coating on this power supply?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The conformal layer shields internal SMD components from corrosive gases, moisture, and conductive dust, maintaining the insulation parameters required in severe industrial environments.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Wire Termination:\u003c\/strong\u003e Tighten bulk supply input terminals to a verified torque of 0.56 N-m (5 in-lb) to prevent high-resistance termination points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Grounding:\u003c\/strong\u003e Verify a solid low-impedance connection between the DIN rail carrier and the primary cabinet protective earth ground using a copper strap of at least 4.0 mm square (11 AWG).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermals and Clearance:\u003c\/strong\u003e Ensure at least 80 mm of vertical clearance above and below the power module vents to facilitate unrestricted natural convection cooling.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EMERSON","offers":[{"title":"Default Title","offer_id":48170712432830,"sku":"VE5128","price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-07-17_15-50-28.png?v=1784280289","url":"https:\/\/www.autooiltech.com\/ar\/products\/emerson-ve5128-deltav-ovation-system-power-supply","provider":"AutoOilTech Limited","version":"1.0","type":"link"}