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  • Hi i am staring to work whit scada, and i got asked which type of communications its better?

    I understand the Synchronous communication, its read the values of point directly from OPC server,
    While the Asynchronous communication, implement a cache that have a processes running in a thread whit a callback handler that load the values in the cache.

    But i need to know in which cases those are better, and what its the best practices to use them.

    Thx for the help

  • This depends from your use case.

    I would suggest

    • try a search engine
    • have a look at your (university) library.