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EasyModbus 사용
IP : "127.0.0.1" (클라이언트쪽에서 변경해서 사용)
PORT : 502
서버와 클라이언트 화면 (위쪽 서버, 아래쪽 클라이언트)
클라이언트는 READ 버튼을 눌러서 읽어오고 COILS는 값 더블클릭, HOLDING REGISTERS는 값에 입력후 엔터
위에 1은 시작 주소로 20개씩 읽어옴
1. SERVER
using EasyModbus;
using System;
using System.Drawing;
using System.Windows.Forms;
namespace WindowsFormsApp10
{
public partial class Form1 : Form
{
ModbusServer mServer ;
//ModbusClient mClient ;
delegate void VoidDelegate();
public Form1()
{
InitializeComponent();
mServer = new EasyModbus.ModbusServer();
mServer.Listen(); //음 맘에 안드는 구만...
mServer.CoilsChanged += mServer_CoilsChanged;
mServer.HoldingRegistersChanged += mServer_HoldingRegistersChanged;
mServer_CoilsChanged(0,0); //2
mServer_HoldingRegistersChanged(0,0); //4
mServer_DiscreteChanged(); //1
mServer_InputRegistersChanged(); //3
//mClient = new EasyModbus.ModbusClient("127.0.0.1", 502);
//mClient.Connect();
}
//----------------------------------------------------------------------------
//1. Discrete Inputs Start
//----------------------------------------------------------------------------
private void mServer_DiscreteChanged()
{
int startingAddressDiscreteInputs = (int)numericUpDown1.Value;
dataGridView1.Rows.Clear();
startingAddressDiscreteInputs = (int)numericUpDown1.Value;
for (int i = startingAddressDiscreteInputs; i < 20 + startingAddressDiscreteInputs; i++)
{
dataGridView1.Rows.Add(i, mServer.discreteInputs[i]);
if (mServer.discreteInputs[i])
dataGridView1[1, i - startingAddressDiscreteInputs].Style.BackColor = Color.Green;
else
dataGridView1[1, i - startingAddressDiscreteInputs].Style.BackColor = Color.Red;
}
}
private void dataGridView1_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
int startingAddressDiscreteInputs = (int)numericUpDown1.Value;
int rowindex = dataGridView1.SelectedCells[0].RowIndex;
if (mServer.discreteInputs[rowindex+startingAddressDiscreteInputs] == false)
mServer.discreteInputs[rowindex+startingAddressDiscreteInputs] = true;
else
mServer.discreteInputs[rowindex + startingAddressDiscreteInputs] = false;
mServer_DiscreteChanged();
}
private void numericUpDown1_ValueChanged(object sender, EventArgs e)
{
mServer_DiscreteChanged();
}
//----------------------------------------------------------------------------
//1. Discrete Inputs End
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
//2. Coils Start
//----------------------------------------------------------------------------
private void mServer_CoilsChanged(int coil, int numberOfCoils)
{
if (this.InvokeRequired)
{
this.Invoke(new VoidDelegate(delegate() {
int startingAddressCoils = (int)numericUpDown2.Value;
dataGridView2.Rows.Clear();
for (int i = startingAddressCoils; i < 20 + startingAddressCoils; i++)
{
dataGridView2.Rows.Add(i, mServer.coils[i]);
if (mServer.coils[i])
dataGridView2[1, i - startingAddressCoils].Style.BackColor = Color.Green;
else
dataGridView2[1, i - startingAddressCoils].Style.BackColor = Color.Red;
}
}));
}
else
{
int startingAddressCoils = (int)numericUpDown2.Value;
dataGridView2.Rows.Clear();
for (int i = startingAddressCoils; i < 20 + startingAddressCoils; i++)
{
dataGridView2.Rows.Add(i, mServer.coils[i]);
if (mServer.coils[i])
dataGridView2[1, i - startingAddressCoils].Style.BackColor = Color.Green;
else
dataGridView2[1, i - startingAddressCoils].Style.BackColor = Color.Red;
}
}
}
private void dataGridView2_DoubleClick(object sender, EventArgs e)
{
int startingAddressCoils = (int)numericUpDown2.Value;
int rowindex = dataGridView2.SelectedCells[0].RowIndex;
if (mServer.coils[rowindex + startingAddressCoils] == false)
mServer.coils[rowindex + startingAddressCoils] = true;
else
mServer.coils[rowindex + startingAddressCoils] = false;
mServer_CoilsChanged(0, 0);
}
private void numericUpDown2_ValueChanged(object sender, EventArgs e)
{
mServer_CoilsChanged(0, 0);
}
//----------------------------------------------------------------------------
//2. Coils End
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
//3. InputRegister Start
//----------------------------------------------------------------------------
private void mServer_InputRegistersChanged()
{
int startingAddressInputRegisters = (int)numericUpDown3.Value;
dataGridView3.Rows.Clear();
for (int i = startingAddressInputRegisters; i < 20 + startingAddressInputRegisters; i++)
dataGridView3.Rows.Add(i, mServer.inputRegisters[i]);
}
private void numericUpDown3_ValueChanged(object sender, EventArgs e)
{
mServer_InputRegistersChanged();
}
private void dataGridView3_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
int startingAddressInputRegisters = (int)numericUpDown3.Value;
if (dataGridView3.SelectedCells.Count > 0)
{
int rowindex = dataGridView3.SelectedCells[0].RowIndex;
try
{
mServer.inputRegisters[rowindex + startingAddressInputRegisters] = Int16.Parse(dataGridView3.SelectedCells[0].Value.ToString());
}
catch (Exception) { }
mServer_InputRegistersChanged();
}
}
//----------------------------------------------------------------------------
//3. InputRegister End
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
//4. HoldingRegister Start
//----------------------------------------------------------------------------
private void mServer_HoldingRegistersChanged(int register, int numberOfRegisters)
{
if (this.InvokeRequired)
{
this.Invoke(new VoidDelegate(delegate() {
int startingAddressHoldingRegisters = (int)numericUpDown4.Value;
dataGridView4.Rows.Clear();
for (int i = startingAddressHoldingRegisters; i < 20 + startingAddressHoldingRegisters; i++)
dataGridView4.Rows.Add(i, mServer.holdingRegisters[i]);
}));
}
else
{
int startingAddressHoldingRegisters = (int)numericUpDown4.Value;
dataGridView4.Rows.Clear();
for (int i = startingAddressHoldingRegisters; i < 20 + startingAddressHoldingRegisters; i++)
dataGridView4.Rows.Add(i, mServer.holdingRegisters[i]);
}
}
private void numericUpDown4_ValueChanged(object sender, EventArgs e)
{
mServer_HoldingRegistersChanged(0,0);
}
private void dataGridView4_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
int startingAddressHoldingRegisters = (int)numericUpDown4.Value;
if (dataGridView4.SelectedCells.Count > 0)
{
int rowindex = dataGridView4.SelectedCells[0].RowIndex;
try
{
mServer.holdingRegisters[rowindex + startingAddressHoldingRegisters] = Int16.Parse(dataGridView4.SelectedCells[0].Value.ToString());
}
catch (Exception) { }
mServer_HoldingRegistersChanged(0, 0);
}
}
//----------------------------------------------------------------------------
//4. HoldingRegister End
//----------------------------------------------------------------------------
}
}
2. CLIENT
using EasyModbus;
using System;
using System.Drawing;
using System.Windows.Forms;
namespace WindowsFormsApp10
{
public partial class Form1 : Form
{
ModbusClient mClient ;
delegate void VoidDelegate();
public Form1()
{
InitializeComponent();
mClient = new EasyModbus.ModbusClient();
mClient.IPAddress = "127.0.0.1";
mClient.Port = 502 ;
mClient.Connect();
if(!mClient.Connected) return ;
timer1.Enabled = true;
//mServer_CoilsChanged(0,0); //2
//mServer_HoldingRegistersChanged(0,0); //4
//mServer_DiscreteChanged(); //1
//mServer_InputRegistersChanged(); //3
//mClient = new EasyModbus.ModbusClient("127.0.0.1", 502);
//mClient.Connect();
}
//----------------------------------------------------------------------------
//1. Discrete Inputs Start
//----------------------------------------------------------------------------
private void mServer_DiscreteChanged()
{
int startingAddressDiscreteInputs = (int)numericUpDown1.Value ;
dataGridView1.Rows.Clear();
startingAddressDiscreteInputs = (int)numericUpDown1.Value;
bool[] serverResponse = mClient.ReadDiscreteInputs(startingAddressDiscreteInputs-1, 20);
for (int i = startingAddressDiscreteInputs; i < 20 + startingAddressDiscreteInputs; i++)
{
dataGridView1.Rows.Add(i, serverResponse[i-startingAddressDiscreteInputs]);
if (serverResponse[i-startingAddressDiscreteInputs])
dataGridView1[1, i - startingAddressDiscreteInputs].Style.BackColor = Color.Green;
else
dataGridView1[1, i - startingAddressDiscreteInputs].Style.BackColor = Color.Red;
}
}
private void dataGridView1_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
}
private void numericUpDown1_ValueChanged(object sender, EventArgs e)
{
mServer_DiscreteChanged();
}
//----------------------------------------------------------------------------
//1. Discrete Inputs End
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
//2. Coils Start
//----------------------------------------------------------------------------
private void mServer_CoilsChanged(int coil, int numberOfCoils)
{
int startingAddressCoils = (int)numericUpDown2.Value;
bool[] serverResponse = mClient.ReadCoils(startingAddressCoils-1, 20);
dataGridView2.Rows.Clear();
for (int i = startingAddressCoils; i < 20 + startingAddressCoils; i++)
{
dataGridView2.Rows.Add(i, serverResponse[i-startingAddressCoils]);
if (serverResponse[i-startingAddressCoils])
dataGridView2[1, i - startingAddressCoils].Style.BackColor = Color.Green;
else
dataGridView2[1, i - startingAddressCoils].Style.BackColor = Color.Red;
}
}
private void dataGridView2_DoubleClick(object sender, EventArgs e)
{
int startingAddressCoils = (int)numericUpDown2.Value;
int rowindex = dataGridView2.SelectedCells[0].RowIndex;
if(dataGridView2[1, rowindex].Value.ToString() == "False")
{
mClient.WriteSingleCoil(rowindex + startingAddressCoils - 1,true );
}
else
{
mClient.WriteSingleCoil(rowindex + startingAddressCoils - 1,false);
}
mServer_CoilsChanged(0, 0);
}
private void numericUpDown2_ValueChanged(object sender, EventArgs e)
{
mServer_CoilsChanged(0, 0);
}
//----------------------------------------------------------------------------
//2. Coils End
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
//3. InputRegister Start
//----------------------------------------------------------------------------
private void mServer_InputRegistersChanged()
{
int startingAddressInputRegisters = (int)numericUpDown3.Value;
int[] serverResponse = mClient.ReadInputRegisters(startingAddressInputRegisters-1, 20);
dataGridView3.Rows.Clear();
for (int i = startingAddressInputRegisters; i < 20 + startingAddressInputRegisters; i++)
dataGridView3.Rows.Add(i, serverResponse[i-startingAddressInputRegisters]);
}
private void numericUpDown3_ValueChanged(object sender, EventArgs e)
{
mServer_InputRegistersChanged();
}
private void dataGridView3_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
}
//----------------------------------------------------------------------------
//3. InputRegister End
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
//4. HoldingRegister Start
//----------------------------------------------------------------------------
private void mServer_HoldingRegistersChanged(int register, int numberOfRegisters)
{
int startingAddressHoldingRegisters = (int)numericUpDown4.Value;
int[] serverResponse = mClient.ReadHoldingRegisters(startingAddressHoldingRegisters-1, 20);
dataGridView4.Rows.Clear();
for (int i = startingAddressHoldingRegisters; i < 20 + startingAddressHoldingRegisters; i++)
dataGridView4.Rows.Add(i, serverResponse[i-startingAddressHoldingRegisters]);
}
private void numericUpDown4_ValueChanged(object sender, EventArgs e)
{
mServer_HoldingRegistersChanged(0,0);
}
private void dataGridView4_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
int startingAddressHoldingRegisters = (int)numericUpDown4.Value;
if (dataGridView4.SelectedCells.Count > 0)
{
int rowindex = dataGridView4.SelectedCells[0].RowIndex;
try
{
mClient.WriteSingleRegister(rowindex + startingAddressHoldingRegisters - 1, Int16.Parse(dataGridView4.SelectedCells[0].Value.ToString()));
}
catch (Exception) { }
mServer_HoldingRegistersChanged(0, 0);
}
}
private void timer1_Tick(object sender, EventArgs e)
{
if (mClient.Connected)
{
this.Text = "Modbus Client is Connected" ;
//mServer_CoilsChanged(0,0); //2
//mServer_HoldingRegistersChanged(0,0); //4
//mServer_DiscreteChanged(); //1
//mServer_InputRegistersChanged(); //3
}
else
{
this.Text = "Modbus Client is Disconnected" ;
}
}
private void button1_Click(object sender, EventArgs e)
{
mServer_CoilsChanged(0,0); //2
mServer_HoldingRegistersChanged(0,0); //4
mServer_DiscreteChanged(); //1
mServer_InputRegistersChanged(); //3
}
//----------------------------------------------------------------------------
//4. HoldingRegister End
//----------------------------------------------------------------------------
}
}
3. 예제파일
WindowsFormsAppClient.zip
0.17MB
WindowsFormsAppServer.zip
0.17MB
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