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    Can't browse tags with OPC DA Datasource

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    • M
      Malaguena
      last edited by

      Hi All,

      I have created OPC DA Datasource at Mango v4.0.0.beta5 on Windows server. Although, OPC Server seen on the Serves List, I got a "Request Timeout" error when I Browse Tags on OPC DA Tools. What could be the possible reason?

      Additionally, OPC server and Mango are installed on the same server. And also, we can connect and browse tags by using Matricon application on the same server.

      2a2fcfe7-7e28-452d-b788-cae57037d3f7-image.png

      Thanks in advance,

      1 Reply Last reply Reply Quote 0
      • CraigWebC
        CraigWeb
        last edited by

        Hi Nurr

        if the OPC server and Mango are on the same server you should be using
        localhost as the host name

        1 Reply Last reply Reply Quote 0
        • M
          Malaguena
          last edited by Malaguena

          Hi @CraigWeb ,

          I changed host with localhost and browsed tags on the OPC DA Tools tab. Then, I added some points but can not get values.

          Additionally, when I change host with localhost, I got an "BAD_QUALITY" error like below.

          9008e7a5-b5db-463b-9e49-75fbc66baa75-image.png

          1 Reply Last reply Reply Quote 0
          • CraigWebC
            CraigWeb
            last edited by

            Hi @Nurr

            I looked at the code where that error originates from. Before the data source looks at the value it looks at the quality of the tag. If the quality is bad then the DS will throw an error and ignore the value. You will need to figure out why the server has bad quality for those tags. But at least you are getting a response from the server.

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            • M
              Malaguena
              last edited by

              @CraigWeb thanks. we got this error, when the device is offline on the site. As a result, we successfully get the data with OPC DA.

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