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Version: Streamsheets 3.0

OPCUA.READ

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Reads a value from an OPC UA Server.

Syntax

=OPCUA.READ(Connection, Node, Target)

Arguments

Name	Type	Description
Connection	Connection	Connection to use for reading.
Node	String	Path of the node to read or node id.
Target	Target	INBOX(), OUTBOX("MsgID") or a cell range where the result will be placed. Make sure the cell range is big enough or not everything is displayed.

Return

Type	Description
Number or Error	The function OPCUA.READ always returns a unique random request ID, which can be used with requestinfo to check the state of the request, if no error.

Examples

	A	B
1	ns=2;s=Demo.SimulatopnSpeed

Formula	Result	Comment
`=OPCUA.READ(OPCUAProducer,A1,INBOX())`	The request ID	This reads the node and places the result into the inbox.
`=OPCUA.READ(\|OPCUAProducer,"/Objects/1:Machines/1:H1mrblX0X/name",C5:G9)`	The request ID	This reads the name of the app with the id "H1mrblX0X" and places the result into the inbox.