// This example shows how to write a value into a single OPC XML-DA item.
using System;
using OpcLabs.EasyOpc.DataAccess;
using OpcLabs.EasyOpc.OperationModel;
namespace DocExamples.DataAccess.Xml
{
class WriteItemValue
{
public static void Main1Xml()
{
// Instantiate the client object.
var client = new EasyDAClient();
try
{
client.WriteItemValue(
"http://opcxml.demo-this.com/XmlDaSampleServer/Service.asmx",
"Static/Analog Types/Int",
12345);
}
catch (OpcException opcException)
{
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message);
}
}
}
}
# This example shows how to write a value into a single OPC XML-DA item.
# The QuickOPC package is needed. Install it using "pip install opclabs_quickopc".
import opclabs_quickopc
# Import .NET namespaces.
from OpcLabs.EasyOpc import *
from OpcLabs.EasyOpc.DataAccess import *
from OpcLabs.EasyOpc.OperationModel import *
# Instantiate the client object.
client = EasyDAClient()
# Perform the operation
try:
IEasyDAClientExtension.WriteItemValue(client,
ServerDescriptor('http://opcxml.demo-this.com/XmlDaSampleServer/Service.asmx'),
DAItemDescriptor('Static/Analog Types/Int'),
12345)
except OpcException as opcException:
print('*** Failure: ' + opcException.GetBaseException().Message)
exit()
print('Finished.')
' This example shows how to write a value into a single OPC XML-DA item.
Imports OpcLabs.EasyOpc.DataAccess
Imports OpcLabs.EasyOpc.OperationModel
Namespace DataAccess.Xml
Partial Friend Class WriteItemValue
Public Shared Sub Main1Xml()
Dim client = New EasyDAClient()
Try
client.WriteItemValue("http://opcxml.demo-this.com/XmlDaSampleServer/Service.asmx", "Static/Analog Types/Int", 12345)
Catch opcException As OpcException
Console.WriteLine("*** Failure: {0}", opcException.GetBaseException().Message)
Exit Sub
End Try
End Sub
End Class
End Namespace
QuickOPC supports OPC XML-DA also on Linux and macOS.
See Also
Examples - OPC Data Access
Conceptual
