public int SetPlcDateTime(DateTime DateTime)
{
int Length;
LastError = 0;
S7.SetDateAt(S7_SET_DT, 31, DateTime);
SendPacket(S7_SET_DT);
if (LastError == 0)
{
Length = RecvIsoPacket();
if (Length > 30) // the minimum expected
{
if (S7.GetWordAt(PDU, 27) != 0)
{
LastError = errS7FunctionError;
}
}
else
{
LastError = errS7InvalidPDU;
}
}
return(LastError);
}