VTS Graphic Editor: Options Unique to Text
The Text option within the Text object's menu provides a means for you to type the text that is to be displayed. You have the option of setting either an un-changing text message, or of using an Expression. The figure below shows the default text, set when you first open this dialog (“Sample Text”).
By using an expression, you can create text messages that change in response to changing values in the application. The example below shows an expression that checks the value of an analog input tag named Pr_AI1. When the value is below 80, the message will read "Pressure within limits", but when the pressure exceeds 80 the message will change to "Pressure exceeds safe limit". Used in conjunction with a changing fill color, this can provide a warning which is both informative and easily spotted.
Horizontal Alignment