XDASrv Reference Manual
DeviceItemValue Class Members
See Also  Fields  Send Feedback
NSPlugin Namespace : DeviceItemValue Class


The following tables list the members exposed by DeviceItemValue.

Public Constructors

 NameDescription
public ConstructorDeviceItemValue Constructor  
Top

Public Fields

 NameDescription
public FieldHandleApplication handle of the item.
This handle is used between the generic server and the customization module to identify the items. The customization module should define the habndel so that it allows quick access to the data structures needed in handing the requests.  
public FieldQualityItem quality.
The quality value is according the OPC DA V2 specifications.  
public FieldQualitySpecifiedIndicates that the item quality is specified.  
public FieldTimestampTimestamp for this item value.  
public FieldTimestampSpecifiedIndicates that the timestamp is specified.  
public FieldValueValue to be written to the device.
The item value must alway be written to the generic server cache in the canonical data type defined when the item was added.  
Top

See Also

Copyright © 2002-2011 Advosol Inc. All Rights Reserved.