/****************************************************************************
* Description : SIEMENS Industrial Ethernet Fetch-Telegram
*
* Return : array of bytes/int
* on error "null" is returned
*
***************************************************************************/
public byte[] FetchData(DataType DataType, int DBNr, int StartAdress, int Length)
{
if (!ReconnectIfDisconnected())
{
return(null);
}
lock (threading)
{
var buff = new byte[Length];
_s7client.DBRead(DBNr, StartAdress, Length, buff);
return(buff);
}
}
public bool checkZustand(TextBox txtBox)
{
if (client.Connected)
{
if (art == 0)
{
byte[] buffer = new byte[1];
int result = client.DBRead(db, dbByte, 1, buffer);
zustand = Sharp7.S7.GetBitAt(buffer, 0, dbBit);
txtBox.AppendText(Environment.NewLine + DateTime.Now.ToString() + "DBRead-Return-Value: " + result.ToString() + " Zustand: " + zustand.ToString() + " Buffer: " + buffer.ToString());
checkUueberwachung();
return(zustand);
}
else if (art == 1)
{
byte[] buffer = new byte[1];
int result = client.MBRead(merkerByte, 1, buffer);
zustand = Sharp7.S7.GetBitAt(buffer, 0, merkerBit);
txtBox.AppendText(Environment.NewLine + DateTime.Now.ToString() + "MBRead-Return-Value: " + result.ToString() + " Zustand: " + zustand.ToString() + " Buffer: " + buffer.ToString());
//txtBox.AppendText("\n" + DateTime.Now.ToString() + "MBRead-Return-Value: " + result.ToString() + " Zustand: " + zustand.ToString() + " Buffer: " + buffer.ToString());
//txtBox.AppendText("\n" + DateTime.Now.ToString() + "MBRead-Return-Value: " + result.ToString() + " Zustand: " + zustand.ToString() + " Buffer: " + buffer.ToString());
checkUueberwachung();
return(zustand);
}
else
{
txtBox.AppendText(Environment.NewLine + DateTime.Now.ToString() + " keine Verbindung");
return(false);
}
}
else
{
zustand = false;
txtBox.AppendText(Environment.NewLine + DateTime.Now.ToString() + "\n Nicht Online");
//Exception ex = new Exception();
//throw ex;
return(false);
}
}