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Hello all,
don't laugh, but I have a scaling issue, that I cannot solve, hope someone has an easy idea:
My customers would like to scale a variable with "-1". So how to configure that in PcVue, not using a second variable and an expression?
In fact the Dev-Min is "-100", Dev-Max is "0". The output should be "value x -1". The Var-Min would be "100" and Var-Max "0".
Of course that does not work.
Do I have a logical error in my thinking?
Thank you in advance.
Posted : 24/05/2016 11:43 am
Hi Johannes,
For sure Var-Min (100) can't be greater than Var-Max (0) !!!
What I understood is your device is sending always the negative value. To be clear, if it send -70 you want displaying 70. Confirm?
In this case I think there are no ways. You must use an expression...
Nico
Posted : 24/05/2016 11:56 am
ok, thank you, I just wanted to be sure, that I did not missed something.
Posted : 24/05/2016 12:04 pm