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PCo TagStore Query - invalid type for writing

Jan 30, 2017 at 12:55 PM


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Former Member

Hi everybody,

I am having a problem with writing data to a OPC Tag. I already searched and found those to questions:

PCo Query - Tag store

PCoQuery execution error - Unable to convert supplied value to required type

This is the exact same problem i am facing right now. We have a OPC UA Server und i want to write an integer to a specific tag. On the OPC Server the tag is a uint16. I tried to write a 1 with a standard PCO TagStore query setting the value inside the query. I tried to set it by setting the SelectedTags and the SelectedTagValues with the link editor directly and width transaction properties with the typ "integer" but nothing works. Of course i have set the TagValueEncoded as in the other topics proposed, but that didn't work either.

The Version of MII ist 15.0 SP 7 and PCO should be 15.1. sp 1.

Does anybody know how to solve this?

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