Thankyou for another helpful sample :)

In WinCC Advanced, the update tag function pushed the update group into a read queue.  So the command was asynchronous, essentially: "read these tags, when you get around to it"

Do you know whether the UpdateTag function in WinCC Unified is synchronous, i.e. "read this tag immediately"?  That would be nice, but I suspect it's not the case.

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Split from Simple sample – WinCC Unified V17 – update tag on demand.

If you are using JS and the "Read" method, you can set the readType. Just have a look at the object model (I hope the link works)

Regards,

BBritten