OPCUAClient_Read (FUN)

FUNCTION OPCUAClient_Read : RTS_IEC_RESULT

This function sends a Read request to the OPC UA server. Several operations can be done in one call. The results of the operation are returned by an callback interface.

InOut:

Scope	Name	Type	Comment
Return	OPCUAClient_Read	RTS_IEC_RESULT
Input	hConnection	RTS_IEC_HANDLE	Handle to the connection where to send the read request.
	maxAge	LREAL	Maximum age of the values to be read.
	timestampsToReturn	OpcUa_TimestampsToReturn	The type of timestamps that should be returned by the server.
	pNodesToRead	POINTER TO OpcUa_ReadValueId	Pointer to an array of nodeID and attributes to read.
	numNodes	OpcUa_Int32	Number of nodes to read.
	iReadCallback	IOPCUAClientDataAccessCallback	Callback interface to get the results.