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Difference between value of tag using PE

Question asked by Ramesh_Muthurathinam on Dec 5, 2017
Latest reply on Dec 6, 2017 by jru

Hi All,


We are having one requirement, we need to create PE to calculate difference of tag values in start of the month.Please let me know, how we can achieve this.


Ex: On December 01st 00:00:00, PE tag needs to take current value of source tag and subtract with 01st November 00:00:00 source tag value.  


Thanks for your help in advance!



Ramesh M.