ValueNode QML Type

Represents a value node from a server. More...

Import Statement: import QtOpcUa
Since: QtOpcUa 5.12
Inherits:

Node

Properties

Detailed Description

import QtOpcUa as QtOpcUa

QtOpcUa.ValueNode {
    nodeId: QtOpcUa.NodeId {
        ns: "Test Namespace"
        identifier: "s=TestName"
    }
    connection: myConnection
}

A subscription will be created on the server in order to track value changes on the server.

See also NodeId, Connection, and Node.

Property Documentation

serverTimestamp : Date [read-only]

Server timestamp of the value attribute.


sourceTimestamp : Date [read-only]

Source timestamp of the value attribute.


value : variant

Value of this node. Reading and writing this property will access the node on the server.


valueType : variant

Type type of this node. The initial value will be QtOpcUa.Constants.Undefined and be fetched from the server when the first connection is established. Any value will be written to the server as the specified type.


© 2024 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.