public int GetPlcDateTime(DateTime DateTime)
{
int Length;
LastError = 0;
SendPacket(S7_GET_DT);
if (LastError == 0)
{
Length = RecvIsoPacket();
if (Length > 30) // the minimum expected
{
if ((S7.GetWordAt(PDU, 27) == 0) && (PDU[29] == (byte)0xFF))
{
DateTime = S7.GetDateAt(PDU, 34);
}
else
{
LastError = errS7FunctionError;
}
}
else
{
LastError = errS7InvalidPDU;
}
}
return(LastError);
}