I want the following expression to give the result 1 if a tag has stopped changing/collecting values during 10 or more minutes.
if TagVal('UPP_25NR40A005_C2','*') = TagVal('UPP_25NR40A005_C2','*-10m') then 1 else 0
The results are written to UPP_25NR40A005_C2_larm.
It does give the result 1 at times but not when you would expect it. The below image shows a period of 6+ h and this should give the result 1 but it is still zero!