// This example shows how to create data variables nested in folders or other data variables. // You can use any OPC UA client, including our Connectivity Explorer and OpcCmd utility, to connect to the server. // // Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html . // OPC client, server and subscriber examples in C# on GitHub: https://github.com/OPCLabs/Examples-OPCStudio-CSharp . // Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own // a commercial license in order to use Online Forums, and we reply to every post. using System; using OpcLabs.EasyOpc.UA; using OpcLabs.EasyOpc.UA.NodeSpace; namespace UAServerDocExamples._UADataVariable { class _Building { public static void Nested() { // Instantiate the server object. // By default, the server will run on endpoint URL "opc.tcp://localhost:48040/". var server = new EasyUAServer(); // Create a data variable, and another data variable nested inside it. server.Add(new UADataVariable("Constant") { new UADataVariable("NestedConstant").ConstantValue("abc") }.ConstantValue(42)); // Create a folder, and a data variable nested inside it. server.Add(new UAFolder("Folder") { new UADataVariable("ReadWrite").ReadWriteValue(0) // read-write register }); // Start the server. Console.WriteLine("The server is starting..."); server.Start(); Console.WriteLine("The server is started."); Console.WriteLine(); // Let the user decide when to stop. Console.WriteLine("Press Enter to stop the server..."); Console.ReadLine(); // Stop the server. Console.WriteLine("The server is stopping..."); server.Stop(); Console.WriteLine("The server is stopped."); } } }
' This example shows how to create data variables nested in folders or other data variables. ' You can use any OPC UA client, including our Connectivity Explorer and OpcCmd utility, to connect to the server. ' ' Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html . ' OPC client and subscriber examples in VB.NET on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-VBNET . ' Missing some example? Ask us for it on our Online Forums, https://www.opclabs.com/forum/index ! You do not have to own ' a commercial license in order to use Online Forums, and we reply to every post. Imports System Imports OpcLabs.EasyOpc.UA Imports OpcLabs.EasyOpc.UA.NodeSpace Namespace _UADataVariable Partial Friend Class _Building Shared Sub Nested() ' Instantiate the server object. ' By default, the server will run on endpoint URL "opc.tcp://localhost:48040/". Dim server = New EasyUAServer() ' Create a data variable, and another data variable nested inside it. server.Add(New UADataVariable("Constant") From { New UADataVariable("NestedConstant").ConstantValue("abc") }.ConstantValue(42)) ' Create a folder, and a data variable nested inside it. server.Add(New UAFolder("Folder") From { New UADataVariable("ReadWrite").ReadWriteValue(0) ' read - Write() register }) ' Start the server. Console.WriteLine("The server is starting...") server.Start() Console.WriteLine("The server is started.") Console.WriteLine() ' Let the user decide when to stop. Console.WriteLine("Press Enter to stop the server...") Console.ReadLine() ' Stop the server. Console.WriteLine("The server is stopping...") server.Stop() Console.WriteLine("The server is stopped.") End Sub End Class End Namespace
Copyright © 2004-2024 CODE Consulting and Development, s.r.o., Plzen. All rights reserved. Web page: www.opclabs.com
Documentation Home, Send Feedback. Resources: Knowledge Base, Product Downloads. Technical support: Online Forums, FAQ.Missing some example? Ask us for it on our Online Forums! You do not have to own a commercial license in order to use Online Forums, and we reply to every post.