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Reading OptionSet and Extended Variables from Siemens PLC

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29 Nov 2024 10:45 #13297 by support
Hello.

QuickOPC has support for complex/custom data types which also works in PHP. opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Late...omplex%20Data%20Extension.html .

OptionSets are represented as Structures with optional Boolean fields.

I do not know what you mean by "Extended Variables". OPC UA specs do not use this term. Did you mean extended objects? They are supported.

Some examples:
- opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Late...ta%20-%20Read%20a%20value.html (scroll down for PHP)
- opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Late...0Process%20generic%20data.html

Some examples are available for PHP but not all. If you need a specific example, I can help further.

Best regards

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28 Nov 2024 08:21 #13292 by different
hi,

I could not find the QuickOPC PHP category, so I tried to choose the closest. The question is: Is there a way to read more complex data structures from a Siemes PLC,especially the OptionSet and Extended Variables section?

Regards,
János

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