public async Task Execute(IPlcConnection connection)
{
await _fn.Invoke(connection);
IsCompleted = true;
_continuation?.Invoke();
}
/// <summary>
/// A example program of PLC4x in .NET!
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
using (IPlcConnection PlcConnection = (new PlcDriverManager()).GetConnection("s7://192.168.167.210/1/1"))
{
PlcConnection.ReadRequestBuilder.AddItem("001", "%MX1.0:BOOL");
PlcConnection.ReadRequestBuilder.AddItem("002", "%MB208:CHAR");
PlcConnection.ReadRequestBuilder.Build().ExecuteAsync();
Log.Info("Request has been sent");
PlcConnection.CloseAsync();
}
using (IPlcConnection PlcConnection = (new PlcDriverManager()).GetConnection("s7://192.168.167.210/1/1"))
{
PlcConnection.WriteRequestBuilder.AddItem("001", "%MX1.0:BOOL", true);
PlcConnection.WriteRequestBuilder.AddItem("002", "%MB3:BYTE", (byte)0x12);
char?[] characterArray = new char?[] { 'A', 'B', 'C', 'D' };
PlcConnection.WriteRequestBuilder.AddItem("045", "%DB109.DBB0:CHAR[7]", characterArray);
PlcConnection.WriteRequestBuilder.Build().ExecuteAsync();
Log.Info("Writing data");
PlcConnection.CloseAsync();
}
}
/// <summary>
/// Connects to a PLC using the given plc connection string.
/// </summary>
/// <param name="url"> plc connection string. </param>
/// <returns> PlcConnection object. </returns>
public virtual IPlcConnection GetConnection(string url)
{
IPlcDriver driver = GetDriver(url);
IPlcConnection connection = (IPlcConnection)driver.ConnectAsync(url);
connection.ConnectAsync();
return(connection);
}
public Connection(IPlcConnection plcConnection)
{
PlcConnection = plcConnection;
}
