private void btnReadInputRegisters_Click(object sender, EventArgs e)
{
try
{
if (!modbusClient.Connected)
{
modbusClient.IPAddress = txtIpAddressInput.Text;
modbusClient.Port = int.Parse(txtPortInput.Text);
modbusClient.Connect();
}
int[] serverResponse = modbusClient.ReadInputRegisters(int.Parse(txtStartingAddressInput.Text) - 1, int.Parse(txtNumberOfValuesInput.Text));
lsbAnswerFromServer.Items.Clear();
for (int i = 0; i < serverResponse.Length; i++)
{
lsbAnswerFromServer.Items.Add(serverResponse[i]);
}
}
catch (Exception exc)
{
MessageBox.Show(exc.Message, "Exception Reading values from 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("COM4");
EasyModbus.ModbusClient modbusClient = new EasyModbus.ModbusClient("127.0.0.1", 502);
modbusClient.ConnectionTimeout = 5000;
modbusClient.LogFileFilename = "logData.txt";
while (true)
{
modbusClient.Connect();
// 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.ReadInputRegisters(0, 10, "www.mqtt-dashboard.com");
modbusClient.ReadHoldingRegisters(0, 10, "www.mqtt-dashboard.com");
modbusClient.Disconnect();
System.Threading.Thread.Sleep(1000);
}
Console.ReadKey();
}
public void GetValues(ConnectionProperties connectionProperties)
{
modbusClient = connectionProperties.modbusClient;
if (!modbusClient.Connected)
{
modbusClient.IPAddress = connectionProperties.ModbusTCPAddress;
modbusClient.Port = connectionProperties.Port;
modbusClient.Connect();
}
foreach (FunctionProperties functionProperty in connectionProperties.FunctionPropertiesList)
{
switch (functionProperty.FunctionCode)
{
case FunctionCode.ReadCoils:
functionProperty.values = modbusClient.ReadCoils(functionProperty.StartingAdress, functionProperty.Quantity);
break;
case FunctionCode.ReadDiscreteInputs:
functionProperty.values = modbusClient.ReadDiscreteInputs(functionProperty.StartingAdress, functionProperty.Quantity);
break;
case FunctionCode.ReadHoldingRegisters:
functionProperty.values = modbusClient.ReadHoldingRegisters(functionProperty.StartingAdress, functionProperty.Quantity);
break;
case FunctionCode.ReadInputRegisters:
functionProperty.values = modbusClient.ReadInputRegisters(functionProperty.StartingAdress, functionProperty.Quantity);
break;
default: break;
}
}
if (valuesChanged != null)
{
valuesChanged(this);
}
}
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.Baudrate = 19200;
//modbusClient.SerialPort = "COM3";
//EasyModbus.ModbusClient modbusClient = new EasyModbus.ModbusClient("127.0.0.1", 502);
//modbusClient.LogFileFilename = "logfile.txt";
modbusClient.UnitIdentifier = 247;
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]);
DateTime datetimeStart = DateTime.Now;
for (int i = 1; i < 125; i++)
{
modbusClient.WriteSingleRegister(i, i);
Console.WriteLine(modbusClient.ReadInputRegisters(i, 125)[0]);
}
DateTime datetimeEnd = DateTime.Now;
Console.WriteLine("Time elapsed: " + (datetimeEnd - datetimeStart));
// System.Threading.Thread.Sleep(1000);
}
modbusClient.Disconnect();
Console.ReadKey();
}
