Updated Version 2 – Getting Started with OPC

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Guide - Frequently Asked OPC Questions Version 2Our Getting Started with OPC Guide has been one of the most popular guides we’ve ever published. Based on reader feedback and questions, we have published a Version 2 of the guide that addresses 5 new topics.  Download this new guide to learn more about OPC in one place, covering 18 commonly asked questions about OPC.

New to this version:

  1. If I have multiple brands of devices do I need multiple OPC servers?
  2. My OPC Server doesn’t support OPC UA yet but my OPC client does, what do I do?
  3. I need to share data between a control system and metering system, or between 2 control systems – how do I do it with OPC?
  4. Where should my OPC servers be placed in my network security model
  5. I need redundancy in my OPC system, how do I do that?

Also covered, in case you need to revisit questions from the original version:

  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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