ModuleHistorian Class
| Name | Description | |
|---|---|---|
     
	
	    
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	  ModuleHistorian(RunObj, int) | Construct an instance of this class | 
| Name | Description | |
|---|---|---|
 
    
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	ClearCache | Clear cache | 
 
    
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	DisableSaveToDatabase | If true then data will not be stored in HistorianTable Dataset DB | 
 
    
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	EnableCache | Enable cache | 
 
    
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	IsDeleting | Indicates if historian is deleting registers. | 
 
    
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	IsSecondaryActive | Indicates if secondary historian database is active. | 
 
    
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	Item | Runtime properties for HistorianTag Objects. | 
 
    
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	LastErrorMessage | Gets the last error message in any of the Historian Tables | 
 
    
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	MaxSamplesByTime | Internal use | 
 
    
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	PendingEvents | Pending events | 
 
    
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	ProcessingCompleted | Indicates if historian custom processing is completed. | 
 
    
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	Redundancy | Runtime properties for HistorianRedundancy Object. | 
 
    
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	Restart | Flag to restart the historian module. | 
 
    
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	StorageLocation | Runtime properties for StorageLocations Objects. | 
 
    
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	StoreAndForward | Runtime properties for HistorianStoreAndForward Object. | 
 
    
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	Table | Runtime properties for HistorianTable Objects. | 
 
    
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	TimeFlushNormalizedTables | Time in ms to flush normalized tables. Default is 5000 ms | 
 
    
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	WorkingOnCacheMessage | Internal use | 
| Name | Description | |
|---|---|---|
 
    
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	GetNormalizedInfo(string[], out string[], out int[], out string[]) | Get normalized info | 
 
    
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	InvalidateCache(DataTable) | Invalidate cache | 
 
    
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	VerifyDBConnection() | Verify and Reopen database connection |