Codesys Trend - setting Y axis minimum and maximum as variables - error

2026-03-22T00:48:05.777000Z

I am experiencing an issue when trying to define the Y-axis limits in a Trend Graphic using variables. When I set the Minimum and Maximum values as variables, an error is triggered.

My goal is to make the Y-axis limits dynamic so they can adjust according to the installation. Both variables are initialized as follows:

gP_YMin = -100.0
gP_YMax = 100.0

However, I still get the following error:

"The minimum axis value must be less than the maximum axis value"

Does anyone have an idea why this is happening or how to resolve it?

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Codesys Trend - setting Y axis minimum and maximum as variables - error