Updating bound tag properties on a UDT

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1

I have a UDT with 2 alarms configured on one of the UDT's tags. The alarm properties are bound to parameters of the UDT, see below.

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I'm able to update the parameters, but the bindings do not apply the changes. Do I need to overide the alarms of the UDT tag?

2

Bindings in alarms update when an alarm event occurs. Not all the time.

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3

So if a change is made to the binding values, do the bindings update when the new alarm conditions are met or when the old alarm conditions are met?

4

Hmm. Probably the old ones. If you are trying to make variable conditions via bindings, it won't work, IIRC.

5

Should I take that to mean there's no robust way of updating alarm conditions outside of the tag editor?

6

The typical technique is to use expression tags in event driven mode to perform the desired binding, with a valueChange event script to write its result to the appropriate alarm properties.

7

Thanks, I'll give it a try.