At a Glance

DDT (Derived Data Types) and DFB (Derived Function Block) will have one of the following status after setup:

  • Status "in Process",

  • Status "after the analysis".

This means that the data are instantiated with a type that is in process. The created instance has characteristics of the prior type that was analyzed prior to processing.

After the analysis, to the extent that the type has no errors, the applicable instances within the application will be updated..

Local analysis of data

Running the local analysis checks the selected data type for compatibility with the corresponding instances throughout the entire project.

For DFB types, each section of the type is analyzed separately..

Perform the following steps to start a local analysis:

Step

Action

1

Select the desired data type in the DDT Types or DFB Types tab.

2

Select the Analyze Typecommand from the shortcut menu.

3

Check the result of the analysis in the Display Window on the lower part of the window.
NOTE: Double-click on an error row in the display window to go to the source of the error.

Global analysis of data

Running the global analysis checks all selected data types for compatibility with the corresponding instances throughout the entire project.

Perform the following steps to start a global analysis:

Step

Action

1

Select the Generate> Analyze Project command in the menu.

2

Check the result of the analysis in the display window on the lower part of the window.
NOTE: Double-click on an error row in the display window to go to the source of the error.