new DAItemValueArguments(address, identifier, tagName, val)

new DAReadItemArguments(new ServerDescriptor(address, identifier), new DAItemDescriptor(tagName), new DAReadParameters { DataSource = DADataSource.Device });

private static EasyDAClient Create()
{
    EasyDAClient.LogEntry += EasyDAClientOnLogEntry;
    EasyDAClient.SharedParameters.TopicParameters.TopicRetrialDelay = 0;
 
    var opcClient = new EasyDAClient();
    ApplyOpcLabsLicense(opcClient);
 
    opcClient.InstanceParameters.EnableNativeClient = false;
    opcClient.InstanceParameters.EnableNetApiClient = true;
 
    opcClient.InstanceParameters.Mode.AllowAsynchronousMethod = false;
    opcClient.InstanceParameters.Mode.DesiredMethod = OpcLabs.EasyOpc.DataAccess.Engine.DAReadWriteMethod.Synchronous;
    opcClient.InstanceParameters.Timeouts.BrowseAccessPaths = int.MaxValue;
    opcClient.InstanceParameters.Timeouts.BrowseNodes = int.MaxValue;
    opcClient.InstanceParameters.Timeouts.BrowseProperties = int.MaxValue;
    opcClient.InstanceParameters.Timeouts.BrowseServers = int.MaxValue;
    opcClient.InstanceParameters.Timeouts.GetProperty = int.MaxValue;
    opcClient.InstanceParameters.Timeouts.ReadItem = int.MaxValue;
    opcClient.InstanceParameters.Timeouts.WriteItem = int.MaxValue;
 
    return opcClient;
}
 
private static void EasyDAClientOnLogEntry(object sender, LogEntryEventArgs args)
{
     //write to file
}

2025-01-20 13:58:33.5866|Information(1201): Licensing for EasyDAClient component started, license serial number *******, issuer name "*******", subject name "********".
2025-01-20 13:58:33.6786|Error(2): COM security initialization (process name "********", Id 20820) for requestor 'ComSecurityInitializingEasyDAClient' failed; the initialization object was: (Default).
CoInitializeSecurity failure (0x80010119): Security must be initialized before any interfaces are marshalled or unmarshalled. It cannot be changed once initialized.
+ This error (RPC_E_TOO_LATE) is not uncommon in hosted .NET applications. Depending on various factors, it might be possible to prevent it, or safely ignore it (if COM works as intended). Consult the product documentation.
+ Current thread name: "", from thread pool: yes, managed thread Id: 9, apartment state: MTA.