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Why the scales of a string and float tags are different in same Process book trend?

Question asked by AdithyaSharma on Jan 8, 2020
Latest reply on Jan 8, 2020 by kduffy



I have 2 tags A and B. A is of string type and B is of float32 type which are having the same values as A is mapped to B from AF analysis(B=Float('A')). When I trend them in process book, the values are same at a given time, but the scales are different on Y-Axis.


Green color trend is the float tag (B) and the other one is the string type(A). The below trend is in multiple scale format.


When we plot the tags in single scale trend as well, the 2 tags trends will not coincide rather they will be in the different positions. Why is the reason?


Please help to answer the queries.