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Synchronous
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Automation Media's recommended most important key terminologies you need to know if you work in Automation, Controls, Brilliant Manufacturing, Operational & Industrial Intelligence or IoT etc. ; regardless of any vendor(s) you are dealing (Allen Bradley, GE Fanuc, Siemens, Modicon, Mitsubishi, Omron, Automation Direct etc).

  • OPC I/O Servers supports two different methods of obtaining data from an OPC server: synchronous and asynchronous I/O.

  • Synchronous I/O enables the OPC Client to poll the OPC server at regular intervals, according to the specified poll rate.
  • Synchronous I/O is a reliable means of getting data at a specified time interval.


  • See also; Asynchronous



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