10 Frequently Asked Questions & Answers – What is OPC?

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Guide - 10 Frequently Asked OPC Questions & Answers

In this guide, learn all of the answers to practical OPC questions you may have to help you on your way to a deeper understanding of OPC technology.

You'll get detailed answers to the following common questions:

  1. What does the OPC acronym stand for?
  2. What's the difference between an OPC client and OPC server?
  3. Why do I need OPC servers if my control hardware vendor says they support OPC?
  4. Do OPC servers have to run on server-class computers and operating systems?
  5. How can 2 OPC servers talk to each other?
  6. How can 2 OPC clients talk to each other?
  7. Why are there so many OPC standards? (DA, A&E, HDA, UA)
  8. What's OPC A&E?
  9. What's OPC HDA?
  10. Why OPC UA?
  11. Can OPC UA talk to OPC DA and vice versa?
  12. Can OPC DA 2 and DA 3 clients and servers talk to each other?
  13. What are OPC data quality and timestamps all about?

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