public override int GetPlcStatus(ref ComLink.PLCStatus status)
{
StringBuilder strCommand = new StringBuilder("@");
strCommand.Append(this._strUnitNo);
strCommand.Append("FA100000000");
strCommand.Append("0601");
string strFcs = this.GetFcs(strCommand.ToString());
strCommand.Append(strFcs);
strCommand.Append("*");
strCommand.Append('\r');
int result;
try
{
string strRead = null;
lock (this._port)
{
this._port.Write(strCommand.ToString());
strRead = this._port.ReadTo(this._strReadTo);
}
if (strRead.Substring(19, 4).Equals("0000"))
{
string strStatus = strRead.Substring(25, 2);
string text = strStatus;
if (text != null)
{
if (!(text == "00"))
{
if (!(text == "02"))
{
if (text == "04")
{
status = ComLink.PLCStatus.RUN;
}
}
else
{
status = ComLink.PLCStatus.MONITOR;
}
}
else
{
status = ComLink.PLCStatus.PROGRAM;
}
}
result = 0;
return(result);
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
result = 1;
return(result);
}
public abstract int GetPlcStatus(ref ComLink.PLCStatus status);
