// This example shows how the OPC server can quickly be disconnected after writing a value into one of its OPC items. // // Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html . using System; using OpcLabs.EasyOpc.DataAccess; using OpcLabs.EasyOpc.OperationModel; namespace DocExamples.DataAccess._EasyDAClientHoldPeriods { class TopicWrite { public static void Main1() { // Instantiate the client object. var client = new EasyDAClient(); client.InstanceParameters.HoldPeriods.TopicWrite = 100; // in milliseconds try { client.WriteItemValue("", "OPCLabs.KitServer.2", "Simulation.Register_I4", 12345); } catch (OpcException opcException) { Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message); } } } }
# This example shows how the OPC server can quickly be disconnected after writing a value into one of its OPC items. # # Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html . # OPC client and subscriber examples in Python on GitHub: https://github.com/OPCLabs/Examples-QuickOPC-Python . # The QuickOPC package is needed. Install it using "pip install opclabs_quickopc". import opclabs_quickopc # Import .NET namespaces. from OpcLabs.EasyOpc.DataAccess import * from OpcLabs.EasyOpc.OperationModel import * # Instantiate the client object. client = EasyDAClient() client.InstanceParameters.HoldPeriods.TopicWrite = 100 # in milliseconds # Perform the operation try: IEasyDAClientExtension.WriteItemValue(client, '', 'OPCLabs.KitServer.2', 'Simulation.Register_I4', 12345) except OpcException as opcException: print('*** Failure: ' + opcException.GetBaseException().Message) exit() print('Finished.')
' This example shows how the OPC server can quickly be disconnected after writing a value into one of its OPC items. ' ' Find all latest examples here: https://opclabs.doc-that.com/files/onlinedocs/OPCLabs-OpcStudio/Latest/examples.html . Imports OpcLabs.EasyOpc.DataAccess Imports OpcLabs.EasyOpc.OperationModel Namespace DataAccess._EasyDAClientHoldPeriods Friend Class TopicWrite Public Shared Sub Main1() Dim client = New EasyDAClient() client.InstanceParameters.HoldPeriods.TopicWrite = 100 ' in milliseconds Try client.WriteItemValue("", "OPCLabs.KitServer.2", "Simulation.Register_I4", 12345) Catch opcException As OpcException Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message) End Try End Sub End Class End Namespace
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