Tag Value Changed Script : only works with override

[Chris_Bingham]

A good starting point:

Tag Change Missed Events

What does the missed events parameter mean in a tag change script? Does it mean that one script failed to execute because it changed so fast? I have several tags that change at fast at most 10 per second. Does the missed event true mean it failed to a tag change script on a a change?

You might check your gateway Status / Diagnostics / Running Scripts page to quickly visualize any long running scripts.

You might also find Tag Diagnostics useful. Right-click on a tag –> View Diagnostics to check for anything out-of-norm.