public Plc()
{
omronPlc = new OmronPLC(mcOMRON.TransportType.Tcp);
tcpCommand = ((mcOMRON.tcpFINSCommand)omronPlc.FinsCommand);
connectionMonitor = new Timer();
connectionMonitor.Elapsed += ConnectionMonitor_Elapsed;;
connectionMonitor.Interval = 2000;
connectionMonitor.Enabled = false;
ConnectionStatus = ConnectionStatusEnum.DISCONNECTED;
AutoReconnectAfterConnectionLostCounter = 0;
}
private bool tryAndConnect()
{
Func <bool> testDataRead = (() =>
{
try {
if (omronPlc.finsConnectionDataRead(0))
{
return(true);
}
}
catch (Exception e) { return(false); }
return(false);
});
Func <bool> testNewConnect = (() =>
{
try
{
omronPlc = new OmronPLC(mcOMRON.TransportType.Tcp);
tcpCommand = ((mcOMRON.tcpFINSCommand)omronPlc.FinsCommand);
tcpCommand.SetTCPParams(ip, port);
if (omronPlc.Connect()) //why exception
//omronPlc.Close();
{
return(true);
}
}
catch (Exception e) { return(false); }
return(false);
});
if (testDataRead())
{
return(true);
}
else if (testNewConnect())
{
return(true);
}
return(false);
}
