GlobalInstances (GVL)

Global instances, that have to be present. This GVL must be initialized before the generated GVL “__GVL__TrendRecording”, because the generated GVL is used to initialize the variable g_TrendRecordingManager.

Attributes:
qualified_only
InOut:

Name

Type

Initial

Comment

g_ErrorHandler

TrendFbDatabaseAccessErrorHandler

The only instance of TrendFbDatabaseAccessErrorHandler, that does the error haindling

CHECKED_OMIT

g_TrendBufferSizeManager

TrendFbBufferSizeManager

The only instance of TrendFbTrendRecordingManager, where trend elements can query its buffer size of the trace mgr packet

g_GlobalRootPageManager

TrendFbGlobalRootPageManager

CHECKED_OMIT

g_TraceDynamicInstanceFactory

VisuFbTraceDynamicInstanceFactory

The factory used to create dynamic instances of ITraceMgrVariable

g_TimeFactorToDetectRecordingInterruption

DINT

5

Time factor to detect a recording interruption which is multiplied with the average recording timespan