Factory Talk SE Derived Tags

ukjk0686

Member
Join Date
Oct 2016
Location
West Mids
Posts
3
Hi,

I am trying to set up a derived tag that gets its state from an expression looking at a number of very similar Tag Names, eg all start with CC_888_.

There is such a vast number of tags across various PLC's that I am trying to simplify the expression to save on arduous repetitive work. I am trying to do an expression using address for each PLC featuring a wildcard of the tag name that is similar.

So the expression appears like

If {/Data::[16_5_PLC1]*CC_888_*} >0
Then 1
Else 0

Is it possible to wildcard on derived tags in this way so that the tag will check all tags startiing with that text in the PLC address?

Thanks in advance. 🍻
 

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