OPCUaClient 1.1.0

OPCUaClient

Client for OPC UA Server

How to use

Import

 using OPCUaClient;

Make a instance

 UaClient client = new UaClient("test", "opc.tcp://localhost:52240", true, true);

Create a session on the server

 int seconds = 30;
 client.Connect(seconds);

Close session

 client.Disconnect();

Read a tag

 Tag tag = client.Read("Device.Counter.OK");
 Console.WriteLine($"Name: {tag.Name}");
 Console.WriteLine($"Address: {tag.Address}");
 Console.WriteLine($"Value: {tag.Value}");
 Console.WriteLine($"Quality: {tag.Quality}");

Read multiple tags

var address = new List<String>
{
  "Device.Counter.OK",
  "Device.Counter.NG",
  "Device.Counter.Model",
  "Device.Counter.CycleTime"
}
 var tags = client.Read(address);
 
 foreach(var tag in tags)
 {
    Console.WriteLine($"Name: {tag.Name}");
    Console.WriteLine($"Address: {tag.Address}");
    Console.WriteLine($"Value: {tag.Value}");
    Console.WriteLine($"Quality: {tag.Quality}");
 }

Write a tag

 client.Write("Device.Counter.Model", "NewModel");

Write multiple tags

var tags = new List<Tag>
{
  new Tag {
    Address = "Device.Counter.OK",
    Value = 0,
  },
  new Tag {
    Address = "Device.Counter.NG",
    Value = 0,
  },
  new Tag {
    Address = "Device.Counter.Model",
    Value = "OtherModel",
  },
  new Tag {
    Address = "Device.Counter.CycleTime",
    Value = 10,
  },
}
 client.Write(tags);

Monitoring a tag

 client.Monitoring("Device.Counter.OK", 500, (_, e) => {
   // Anything you need to be executed when the value changes
 
   // Get the value of the tag being monitored
    var monitored = (MonitoredItemNotification)e.NotificationValue;
    Console.WriteLine(monitored.Value);

});

License

MIT

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