private void btnWriteSingleRegister_Click(object sender, EventArgs e)
{
try
{
if (!modbusClient.Connected)
{
modbusClient.IPAddress = txtIpAddressInput.Text;
modbusClient.Port = int.Parse(txtPortInput.Text);
modbusClient.Connect();
}
int registerToSend = 0;
registerToSend = int.Parse(lsbAnswerFromServer.Items[0].ToString());
modbusClient.WriteSingleRegister(int.Parse(txtStartingAddressInput.Text) - 1, registerToSend);
}
catch (Exception exc)
{
MessageBox.Show(exc.Message, "Exception writing values to Server", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
modbusClient.Disconnect();
}
}
static void Main(string[] args)
{
// int[] registers = EasyModbus.ModbusClient.ConvertStringToRegisters("hello");
// SerialPort serialport = new SerialPort("COM3");
/* serialport.PortName = "COM3";
* serialport.BaudRate = 9600;
* serialport.Parity = Parity.None;
* serialport.StopBits = StopBits.One;
* byte[] buffer = new byte[50];
* serialport.Open();
* byte[] bufferout = new byte[50];
* int numberOfBytesRead = 0;
* do
* {
* int quantity = serialport.Read(buffer, 0, 15);
* Buffer.BlockCopy(buffer, 0, bufferout, numberOfBytesRead, quantity);
* numberOfBytesRead = numberOfBytesRead + quantity;
* }
* while (numberOfBytesRead < 5);
* for (int i = 0; i < 15; i++)
* Console.WriteLine(bufferout[i].ToString());
* serialport.Write("ddddddddd");*/
EasyModbus.ModbusClient modbusClient = new EasyModbus.ModbusClient("COM3");
modbusClient.SerialPort = "COM3";
//EasyModbus.ModbusClient modbusClient = new EasyModbus.ModbusClient("127.0.0.1", 502);
modbusClient.ConnectionTimeout = 5000;
modbusClient.LogFileFilename = "test.txt";
modbusClient.UnitIdentifier = 0xF7;
modbusClient.Connect();
while (true)
{
// Console.WriteLine("Execute FC5");
// modbusClient.WriteSingleCoil(0, true);
// Console.WriteLine("Execute FC6");
// modbusClient.WriteSingleRegister(0, 1234);
// Console.WriteLine("Execute FC15");
// modbusClient.WriteMultipleCoils(0, new bool[] { true, false, true, false, true, false, true });
//Console.WriteLine("Execute FC16");
//modbusClient.WriteMultipleRegisters(0, EasyModbus.ModbusClient.ConvertStringToRegisters("hallo2"));
//modbusClient.Disconnect();
//System.Threading.Thread.Sleep(100);
//modbusClient.Connect();
//Console.WriteLine("Execute FC3");
//Console.WriteLine("Value of Holding Register 1000: " + modbusClient.ReadHoldingRegisters(1000, 1)[0]);
Console.WriteLine("Read and Publish Input Registers");
modbusClient.WriteSingleRegister(60, 1234);
int[] holdingRegister = modbusClient.ReadHoldingRegisters(60, 2);
//Console.WriteLine(holdingRegister[0]);
// System.Threading.Thread.Sleep(1000);
}
modbusClient.Disconnect();
Console.ReadKey();
}
public static void sendSingleRegister(int reg, int value)
{
try
{
PLC.WriteSingleRegister(reg, value);
}
catch (EasyModbus.Exceptions.ModbusException e)
{
GVL.readexc = true;
MessageBox.Show("Error Write Command : " + e.Message, "Info", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
catch (System.NullReferenceException e)
{
GVL.readexc = true;
MessageBox.Show("Error Write Command : " + e.Message, "Info", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void btnWriteSingleRegister_Click(object sender, EventArgs e)
{
try
{
if (!modbusClient.Connected)
{
button3_Click(null, null);
}
int registerToSend = 0;
registerToSend = int.Parse(lsbWriteToServer.Items[0].ToString());
modbusClient.WriteSingleRegister(int.Parse(txtStartingAddressOutput.Text) - 1, registerToSend);
}
catch (Exception exc)
{
MessageBox.Show(exc.Message, "Exception writing values to Server", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
