public bool connect(IPAddress ip, ushort port, bool reconnect = false)
{
try
{
omronPlc.Close();
}
catch { }
this.ip = ip;
this.port = port;
if (reconnect)
{
ConnectionStatus = ConnectionStatusEnum.RECONNECTING;
AutoReconnectAfterConnectionLostCounter++;
}
else
{
ConnectionStatus = ConnectionStatusEnum.CONNECTING;
}
tcpCommand.SetTCPParams(ip, port);
if (!tryAndConnect())
{
if (ConnectionStatus != ConnectionStatusEnum.DISCONNECTED &&
ConnectionStatus != ConnectionStatusEnum.RECONNECTING)
{
ConnectionStatus = ConnectionStatusEnum.CONNECTION_FAILED;
connectionMonitor.Enabled = false;
}
return(false);
}
ConnectionStatus = ConnectionStatusEnum.CONNECTED;
AutoReconnectAfterConnectionLostCounter = 0;
connectionMonitor.Enabled = true;
return(true);
}
//---------------------------------------------------------------------------
public void fn_Disconnect()
{
try
{
plc.Close();
}
catch (System.Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
}
public bool Disconnect()
{
ConnectionStatus = ConnectionStatusEnum.DISCONNECTING;
try
{
omronPlc.Close();
connectionMonitor.Enabled = false;
ConnectionStatus = ConnectionStatusEnum.DISCONNECTED;
}
catch
{
return(false);
}
return(true);
}