The CEL (aka Audit Trail) in version 11 or higher records an unwanted "Modify Spontaneous Value" event for the "'Screen active'variables" of a screen when opening or closing the screen. The selected default setting "Only via dynamic element" for the logging of "Write set value" of the variable is ignored. In zenon versions lower than 11, the CEL behaves as expected.
This behavior has been modified. The CEL does not record any events for a "'Screen active' variable" with default setting when opening or closing a screen.
To benefit from this fix: