/// <summary>
/// Command code 41: Control RUN/STOP of PLC.
/// </summary>
/// <param name="slaveStationNo">Slave Station No</param>
/// <param name="status">Control Code, 1: RUN, 0: STOP</param>
/// <returns>string</returns>
public bool SetPLCMode(int slaveStationNo, PLCMode status)
{
bool result = false;
try
{
string frame = this.GetMessageOfControlPLC(slaveStationNo, CommandCode.CONTROL_RUN_STOP, status);
objSerialPort.WriteLine(frame);
// Read SerialPort
int sizeOfMessageReceiver = 9;
string buffReceiver = string.Empty;
DateTime startDateTime = DateTime.Now;
do
{
this.CheckBufferReceiver(buffReceiver);
buffReceiver = objSerialPort.ReadExisting();
System.Threading.Thread.Sleep(100);
} while (buffReceiver.Length < sizeOfMessageReceiver && (DateTime.Now.Subtract(startDateTime).TotalMilliseconds < objSerialPort.ReadTimeout));
string errorMsg = this.GetException(buffReceiver);
if (!string.IsNullOrEmpty(errorMsg) || !string.IsNullOrWhiteSpace(errorMsg))
{
throw new Exception(errorMsg);
}
}
catch (Exception ex)
{
throw ex;
}
return(result);
}
/// <summary>
/// Command code 41: Control RUN/STOP of PLC
/// </summary>
/// <param name="slaveStationNo">Slave Station No</param>
/// <param name="cmmdCode">Command Code</param>
/// <param name="status">Control Code, 1: RUN, 0: STOP</param>
/// <returns>string</returns>
public string GetMessageOfControlPLC(int slaveStationNo, CommandCode cmmdCode, PLCMode status)
{
string frame = string.Format("{0:X2}", slaveStationNo); // Slave station no.
frame += string.Format("{0:X2}", (byte)cmmdCode); // Command no.
frame += string.Format("{0}", status == PLCMode.RUN ? 1 : 0); // data.
frame += CheckSum(frame);
return(Convert.ToChar(STX) + frame + Convert.ToChar(EXT));
}
private void btnGetPLCStatus_Click(object sender, EventArgs e)
{
try
{
PLCMode result = objFatekCommunication.GetPLCStatus(1);
txtResult.AppendText(string.Format("PLC MODE: {0} \r\n", result));
txtResult.AppendText(Environment.NewLine);
txtResult.ScrollToCaret();
}
catch (Exception ex)
{
MessageBox.Show(this, ex.Message, "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// Command code 40: The gist read the system status of PLC.
/// </summary>
/// <param name="slaveStationNo">Slave Station No</param>
/// <returns>bool</returns>
public PLCMode GetPLCStatus(int slaveStationNo)
{
PLCMode result = PLCMode.STOP;
try
{
string frame = this.GetMessageOfPLCStatus(slaveStationNo, CommandCode.PLC_STATUS);
objSerialPort.WriteLine(frame);
// Read SerialPort
int sizeOfMessageReceiver = 15;
string buffReceiver = string.Empty;
DateTime startDateTime = DateTime.Now;
do
{
this.CheckBufferReceiver(buffReceiver);
buffReceiver = objSerialPort.ReadExisting();
System.Threading.Thread.Sleep(100);
} while (buffReceiver.Length < sizeOfMessageReceiver && (DateTime.Now.Subtract(startDateTime).TotalMilliseconds < objSerialPort.ReadTimeout));
string errorMsg = this.GetException(buffReceiver);
if (!string.IsNullOrEmpty(errorMsg) || !string.IsNullOrWhiteSpace(errorMsg))
{
throw new Exception(errorMsg);
}
string dataReceiver = buffReceiver.Substring(6, 2); // STATUS 1.
ushort plcStatus = Conversion.HEXToWORD(dataReceiver);
result = (PLCMode)plcStatus;
//Console.WriteLine("PLC STATUS = " + dataReceiver);
}
catch (Exception ex)
{
throw ex;
}
return(result);
}
/// <summary>
/// FATEK PLC Information
/// </summary>
/// <param name="slaveStationNo">Slave Station No</param>
/// <returns>FATEK PLC Information</returns>
public string GetPLCInfo(int slaveStationNo)
{
StringBuilder result = new StringBuilder();
try
{
string frame = this.GetMessageOfPLCStatus(slaveStationNo, CommandCode.PLC_STATUS);
objSerialPort.WriteLine(frame);
// Read SerialPort
int sizeOfMessageReceiver = 15;
string buffReceiver = string.Empty;
DateTime startDateTime = DateTime.Now;
do
{
this.CheckBufferReceiver(buffReceiver);
buffReceiver = objSerialPort.ReadExisting();
System.Threading.Thread.Sleep(100);
} while (buffReceiver.Length < sizeOfMessageReceiver && (DateTime.Now.Subtract(startDateTime).TotalMilliseconds < objSerialPort.ReadTimeout));
string errorMsg = this.GetException(buffReceiver);
if (!string.IsNullOrEmpty(errorMsg) || !string.IsNullOrWhiteSpace(errorMsg))
{
throw new Exception(errorMsg);
}
string dataReceiver = buffReceiver.Substring(6, 2); // STATUS 1.
ushort plcStatus = Conversion.HEXToWORD(dataReceiver);
result.AppendLine("FATEK PLC COMMUNICATION PROTOCOL VIA SERIALPORT");
result.AppendLine("===============================================================");
PLCMode objPLCMode = (PLCMode)plcStatus;
result.AppendLine(string.Format("B0. PLC Mode: {0}", objPLCMode));
LADDER_CHECKSUM ladder = (LADDER_CHECKSUM)((plcStatus & (ushort)Math.Pow(2, 2)) >> 2);
result.AppendLine(string.Format("B2. Ladder Checksum: {0}", ladder));
USE_ROM_PACK_OR_NOT_USE objUseRomPack = (USE_ROM_PACK_OR_NOT_USE)((plcStatus & (ushort)Math.Pow(2, 3)) >> 3);
result.AppendLine(string.Format("B3. Use ROM Pack: {0}", objUseRomPack));
WDT_TIMEOUT_OR_NORMAL objWDTTimeout = (WDT_TIMEOUT_OR_NORMAL)((plcStatus & (ushort)Math.Pow(2, 4)) >> 4);
result.AppendLine(string.Format("B4. WDT Timeout: {0}", objWDTTimeout));
SET_ID_OR_NOT_SET_ID objSetID = (SET_ID_OR_NOT_SET_ID)((plcStatus & (ushort)Math.Pow(2, 5)) >> 5);
result.AppendLine(string.Format("B5. Set ID: {0}", objSetID));
EMERGENCY_STOP_OR_NORMAL objEmergencyStop = (EMERGENCY_STOP_OR_NORMAL)((plcStatus & (ushort)Math.Pow(2, 6)) >> 6);
result.AppendLine(string.Format("B6. Emergency Stop: {0}", objEmergencyStop));
//RESERVE FOR FUTURE
result.AppendLine("B7. Reserver For Future");
result.AppendLine("===============================================================");
result.AppendLine("Designed By Industrial Networks");
result.AppendLine("Skype: katllu");
result.AppendLine("Mobile: (+84) 909.886.483");
result.AppendLine("E-mail: [email protected]");
result.AppendLine("Youtube: https://www.youtube.com/industrialnetworks");
result.AppendLine();
}
catch (Exception ex)
{
throw ex;
}
return(result.ToString());
}