From OpenSCADAWiki
Debugging the execution sequence
That debugging method means placing and/or enabling debugging messages and next their observing into the generic interface of the messages archiving and observing (Fig. 4) or into the interface proper to the OpenSCADA part:
- Tab "Diagnostics" of the controller object of the data source (Fig. 5).
- Tab "Diagnostics" of the project object of VCA into the configurator (Fig. 6) or of the project properties of the development mode of UI.Vision (Fig. 7).