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Version: Streamsheets 2.5


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Sends a write request of a value to an OPC UA Server. The Server will respond, if the write was successful or not. You can use the Function Wizard for this function. Click here for a more detailed tutorial on opcua functions.


=OPCUA.WRITE(Producer, Node, ValueJSON, Target, [ResultKeys], [Timeout])


ProducerProducer to use for publishing.
NodePath of the node to write to or node id.
ValueJSONJSON with a "value" and a "dataType" field containing the value to write and the data type of the value.
TargetINBOX(), 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.
ResultKeys (optional)Limit the result to the specified JSON Keys
Timeout (optional)The time to wait for an answer. When left empty a 20 second timeout is being used.


The function OPCUA.WRITE always returns a unique random request ID, which can be used with requestinfo to check the state of the request, if no error.



=OPCUA.WRITE(|OPCUAProducer,”ns=1;s=S1GXQxFYZP.rkN-uZ8aI.example.param1”, JSON(A6:B7), INBOX())
TRUEWrites 13 as data type UInt32 into the given node id.