Extensibility > Using an OPC DA Server > OPC DA Server Reference Information > Supported OPC DA Server Interfaces

Supported OPC DA Server Interfaces

The following table indicates which OPC DA interfaces are supported by the Citect SCADA OPC DA Server. A highlighted field indicates that the particular OPC API is supported by the server.

OPC DA Server
required interfaces		 Version 1.0 Version 2.0 Version 3.0
OPC Server
IUnknown Required Required Required
IOPCServer Required Required Required
IOPCCommon N/A Required Required
IConnectionPointContainer N/A Required Required
IOPCItemProperties N/A Required N/A
IOPCBrowse N/A N/A Required
IOPCServerPublicGroups Optional Optional N/A
IOPCBrowseServerAddressSpace Optional Optional N/A
IOPCItemIO N/A N/A Required
OPC Group
IUnknown Required Required Required
IOPCItemMgt Required Required Required
IOPCGroupStateMgt Required Required Required
IOPCGroupStateMgt2 N/A N/A Required
IOPCPublicGroupStateMgt Optional Optional N/A
IOPCSyncIO Required Required Required
IOPCSyncIO2 N/A N/A Required
IOPCAsyncIO2 N/A Required Required
IOPCAsyncIO3 N/A N/A Required
IOPCItemDeadbandMgt N/A N/A Required
IOPCItemSamplingMgt N/A N/A Optional
IConnectionPointContainer N/A Required Required
IOPCAsyncIO Required Optional N/A
IDataObject Required Optional N/A

See Also

OPC DA Server Reference Information

Published June 2018