DataSourcesQualityChecker (FB)¶

FUNCTION_BLOCK DataSourcesQualityChecker

This utility function block can be used for concurrently checking the quality of currently monitored items by all datasources.

InOut:

Scope	Name	Type	Initial	Comment
Input	iMaxLockedCount	INT	3	The maximal number of subsequently allowed problems (due to multitasking issues) with asking the datasourcesmanager if all items are ok. If the value is <= 0, then the locked state will be returned as everything is ok.
	ds	IDatasources.IDatasourcesMgr		The instance of the datasources manager, typically g_Datasources
Output	xAllOk	BOOL		Whether all items are ok
	xTooManyTimesLocked	BOOL		Whether the dataserver has been locked too often
	xErrorParameter	BOOL		The parameters are invalid