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Thread: Zenon OPC Server Issue

  1. #1
    Join Date
    04.09.2009
    Posts
    84

    Default Zenon OPC Server Issue

    Hi Support,

    I am using Zenon 6.51 SP0 Build 0. I can't see the Zenon OPC Server service in the Microsoft Component Services DCOM Folder. I have installed the OPC Core components but still I can't see the service. Any idea?
    I am using Windows 7 as Operating System.

    Regards.

  2. #2
    Join Date
    18.07.2011
    Posts
    138

    Default Re: Zenon OPC Server Issue

    Hi shikra.

    Have you already configured the DCOM settings proper? You will find an explenation on how to configure DCOM in the zenon help under OPC Server -> remote access with DCOM -> DCOM configuration.

    Is your OS x86 or x64?

    regards.

  3. #3
    Join Date
    04.09.2009
    Posts
    84

    Default Re: Zenon OPC Server Issue

    Hi,

    My Operating system is X64 and for configuring DCOM settings, I need to see the Zenon OPC Server in the DCOM Configuration windows. I can't see Zenon OPC Server as a component service under Console Root>>Component Services>>Computers>>My Computer>>DCOM Config

    The Zenon OPC Server should appear in the DCOM Config folder. I can't see it there for completing the DCOM Settings.

  4. #4

    Default Re: Zenon OPC Server Issue

    Hi,

    Is it possible to avoid DCOM? E.g. by installing a zenon runtime client on the system where the OPC client needs access to the data, and start the OPC server here? This way the OPC client accesses the OPC server locally.

    Or is it possible to use OPC UA instead of OPC DA over DCOM?

    We do not recommend using OPC DA over DCOM and although the help has a chapter on DCOM configuration, and it should work, it officially is not supported. (local clients only)

    Best regards,
    Mark

  5. #5

    Default Re: Zenon OPC Server Issue

    With a 64 bit OS, make sure to start the 32 bit DCOM configuration:

    MMC comexp.msc /32

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