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Cosel ZUW25 2415

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    Cosel ZUW25 2415

    I took this off a donor board. I am trying to see if the unit is functional. I tried giving it power 30V. applied to V+ and V-.

    I could not get an output. I checked for output on V+ V- and combinations thereof with COM.

    The board is potted. Does anybody know how to test these for functionality?

    Here is the datasheet.

    https://en.cosel.co.jp/product/power...W25/ZUW252415/

    Thank you to all in advance who choose to help.

    #2
    Originally posted by JJ_ View Post
    I took this off a donor board. I am trying to see if the unit is functional. I tried giving it power 30V. applied to V+ and V-.

    I could not get an output. I checked for output on V+ V- and combinations thereof with COM.

    The board is potted. Does anybody know how to test these for functionality?

    Here is the datasheet.

    https://en.cosel.co.jp/product/power...W25/ZUW252415/

    Thank you to all in advance who choose to help.
    It's a 24V to +/-15V DC converter, so why did you power it from a 30V source? You most likely killed it.

    Comment


      #3
      It's rated for 18-36V, so 30V is fine.

      There is a remote on/off pin that needs to be grounded to enable the output. Have you connected that pin?

      Comment


        #4
        Originally posted by прямо View Post

        It's a 24V to +/-15V DC converter, so why did you power it from a 30V source? You most likely killed it.
        Thank you for the response. The datasheet says you can go up to 36 V.

        Comment


          #5
          Originally posted by lti View Post
          It's rated for 18-36V, so 30V is fine.

          There is a remote on/off pin that needs to be grounded to enable the output. Have you connected that pin?
          Thank you for the response. I did ground it by connecting V- to the RC pin. I get absolutely nothing. Unless that's not how you ground it.

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