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Technology: OPC
OPC Q&A
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Title
Are subscriptions and asynchronous operations similar?
I can browse the OPC server but I am not getting any data values - why?
Is the OPC server communication with the PLC exception-based?
Is there a guarantee that a written value will make it down to the PLC?
Is there a limit on number of items in an OPC group?
We know the configuring DCOM for OPC is difficult, what can we do?
What is OPC-UA?
What is the "6 Minute DCOM Timeout"?
