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OPC DA Client Library for Objective-C

I am developing an iPhone app with several features.

Now I need to connect to the OPC DA server, but I do not want to implement OPC myself. Is there an Objective-C library? or are there other possible solutions to my problem (maybe a C or C ++ library?).

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So, I think you want to access the OPC DA server information from iPhone / iPad?

OPC DA is part of the classic OPC specification and is based on Microsoft COM technology, so it may not be so simple.

The solution could be to use the OPC UA Gateway to provide your DA OPC server through OPC UA, and then use the C / C ++ SDK or write your own using the OPC Foundation ANSI C Stack to start the OPC UA client and access it with your information.

The guys from Unified Automation ( https://www.unified-automation.com/ ) did some great things you could watch.

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Well, I don’t know if there is any library for Objective-C, go to the OPC Foundation or maybe you should consider developing a webapp instead of a native application

Hi

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Source: https://habr.com/ru/post/1402697/

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