实例介绍
ModBus Tcp Client测试用例
【实例截图】
【核心代码】
namespace Modbus_TCP_Client
{
public partial class Form1 : Form
{
public Socket newclient;
public bool Connected;
public Thread myThread;
public delegate void MyInvoke(string str);
public Form1()
{
InitializeComponent();
}
private void exit_Click(object sender, EventArgs e)
{
Application.Exit();
}
public void Connect()
{
byte[] data = new byte[1024];
string ipadd = serverIP.Text.Trim();//将服务器IP地址存放在字符串 ipadd中
int port = Convert.ToInt32(serverPort.Text.Trim());//将端口号强制为32位整型，存放在port中
//创建一个套接字
IPEndPoint ie = new IPEndPoint(IPAddress.Parse(ipadd), port);
newclient = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//将套接字与远程服务器地址相连
try
{
newclient.Connect(ie);
connect.Enabled = false;//使连接按钮变成虚的，无法点击
Connected = true;
}
catch (SocketException e)
{
MessageBox.Show("连接服务器失败 " e.Message);
return;
}
ThreadStart myThreaddelegate = new ThreadStart(ReceiveMsg);
myThread = new Thread(myThreaddelegate);
myThread.Start();
timersend.Enabled = true;
}
private void connect_Click_1(object sender, EventArgs e)
{
Connect();
}
private void timersend_Tick(object sender, EventArgs e)
{
int isecond = 5000;//以毫秒为单位
timersend.Interval = isecond;//5秒触发一次
byte[] data = new byte[] { 0x00, 0x0f, 0x00, 0x00, 0x00, 0x06, 0x01, 0x04, 0x00, 0x00, 0x00, 0x01 };//这里我们不讲解04功能码，所以这里用04功能码发送，防止对其他功能码演示的干扰
newclient.Send(data);
}
public void ReceiveMsg()
{
while (true)
{
byte[] data = new byte[1024];
newclient.Receive(data);
int length = data[5];
Byte[] datashow = new byte[length 6];
for (int i = 0; i <= length 5; i )
datashow[i] = data[i];
string stringdata = BitConverter.ToString(datashow);//把数组转换成16进制字符串
if (data[7] == 0x01) { showMsg01(stringdata "\r\n"); };
if (data[7] == 0x02) { showMsg02(stringdata "\r\n"); };
if (data[7] == 0x03) { showMsg03(stringdata "\r\n"); };
if (data[7] == 0x05) { showMsg05(stringdata "\r\n"); };
if (data[7] == 0x06) { showMsg06(stringdata "\r\n"); };
if (data[7] == 0x0F) { showMsg0F(stringdata "\r\n"); };
if (data[7] == 0x10) { showMsg10(stringdata "\r\n"); };
}
}
private void send01_Click(object sender, EventArgs e)
{
//0x00 0x14 起始地址
//0x00 0x13 输出数量
byte[] data = new byte[] { 0x00, 0x01, 0x00, 0x00, 0x00, 0x06, 0x01, 0x01, 0x00, 0x14, 0x00, 0x13 };
newclient.Send(data);
}
private void send01_21_Click(object sender, EventArgs e)
{
byte[] data = new byte[] { 0x00, 0x01, 0x00, 0x00, 0x00, 0x06, 0x01, 0x01, 0x00, 0x15, 0x00, 0x13 };
newclient.Send(data);
}
private void send01_4151_Click(object sender, EventArgs e)
{
byte[] data = new byte[] { 0x00, 0x01, 0x00, 0x00, 0x00, 0x06, 0x01, 0x01, 0x10, 0x37, 0x00, 0x13 };
newclient.Send(data);
}
public void showMsg01(string msg)
{
//在线程里以安全方式调用控件
if (receive0x01.InvokeRequired)
{
MyInvoke _myinvoke = new MyInvoke(showMsg01);
receive0x01.Invoke(_myinvoke, new object[] { msg });
}
else
{
//接收数据格式
//0x03 字节数
//0x?? 接收状态（按位读取）
receive0x01.AppendText(msg);
}
}
private void send02_Click(object sender, EventArgs e)
{
byte[] data = new byte[] { 0x00, 0x01, 0x00, 0x00, 0x00, 0x06, 0x01, 0x02, 0x00, 0xC5, 0x00, 0x16 };
newclient.Send(data);
}
private void send02_21_Click(object sender, EventArgs e)
{
byte[] data = new byte[] { 0x00, 0x01, 0x00, 0x00, 0x00, 0x06, 0x01, 0x02, 0x00, 0x15, 0x00, 0x16 };
newclient.Send(data);
}
private void send02_4151_Click(object sender, EventArgs e)
{
byte[] data = new byte[] { 0x00, 0x01, 0x00, 0x00, 0x00, 0x06, 0x01, 0x02, 0x10, 0x37, 0x00, 0x16 };
newclient.Send(data);
}
public void showMsg02(string msg)
{
//在线程里以安全方式调用控件
if (receive0x01.InvokeRequired)
{
MyInvoke _myinvoke = new MyInvoke(showMsg02);
receive0x02.Invoke(_myinvoke, new object[] { msg });
}
else
{
receive0x02.AppendText(msg);
}
}
private void send03_Click(object sender, EventArgs e)
{
byte[] data = new byte[] { 0x00, 0x01, 0x00, 0x00, 0x00, 0x06, 0x01, 0x03, 0x00, 0x6C, 0x00, 0x03 };
newclient.Send(data);
}
private void send03_21_Click(object sender, EventArgs e)
{
byte[] data = new byte[] { 0x00, 0x01, 0x00, 0x00, 0x00, 0x06, 0x01, 0x03, 0x00, 0x15, 0x00, 0x03 };
newclient.Send(data);
}
private void send03_4151_Click(object sender, EventArgs e)
{
byte[] data = new byte[] { 0x00, 0x01, 0x00, 0x00, 0x00, 0x06, 0x01, 0x03, 0x10, 0x37, 0x00, 0x03 };
newclient.Send(data);
}
public void showMsg03(string msg)
{
//在线程里以安全方式调用控件
if (receive0x01.InvokeRequired)
{
MyInvoke _myinvoke = new MyInvoke(showMsg03);
receive0x03.Invoke(_myinvoke, new object[] { msg });
}
else
{
receive0x03.AppendText(msg);
}
}
private void send05_Click(object sender, EventArgs e)
{
byte[] data = new byte[] { 0x00, 0x01, 0x00, 0x00, 0x00, 0x06, 0x01, 0x05, 0x00, 0xAD, 0xFF, 0x00 };
newclient.Send(data);
}
public void showMsg05(string msg)
{
//在线程里以安全方式调用控件
if (receive0x05.InvokeRequired)
{
MyInvoke _myinvoke = new MyInvoke(showMsg05);
receive0x05.Invoke(_myinvoke, new object[] { msg });
}
else
{
receive0x05.AppendText(msg);
}
}
private void send06_Click(object sender, EventArgs e)
{
byte[] data = new byte[] { 0x00, 0x01, 0x00, 0x00, 0x00, 0x06, 0x01, 0x06, 0x00, 0x01, 0x00, 0x03 };
newclient.Send(data);
}
public void showMsg06(string msg)
{
//在线程里以安全方式调用控件
if (receive0x06.InvokeRequired)
{
MyInvoke _myinvoke = new MyInvoke(showMsg06);
receive0x06.Invoke(_myinvoke, new object[] { msg });
}
else
{
receive0x06.AppendText(msg);
}
}
private void send0F_Click(object sender, EventArgs e)
{
byte[] data = new byte[] { 0x00, 0x01, 0x00, 0x00, 0x00, 0x09, 0x01, 0x0F, 0x00, 0x14, 0x00, 0x0A, 0x02, 0xCD, 0x01 };
newclient.Send(data);
}
public void showMsg0F(string msg)
{
//在线程里以安全方式调用控件
if (receive0x0F.InvokeRequired)
{
MyInvoke _myinvoke = new MyInvoke(showMsg0F);
receive0x0F.Invoke(_myinvoke, new object[] { msg });
}
else
{
receive0x0F.AppendText(msg);
}
}
private void send10_Click(object sender, EventArgs e)
{
byte[] data = new byte[] { 0x00, 0x01, 0x00, 0x00, 0x00, 0x0B, 0x01, 0x10, 0x00, 0x02, 0x00, 0x02, 0x04, 0x00,0x0A,0x01, 0x02 };
newclient.Send(data);
}
public void showMsg10(string msg)
{
//在线程里以安全方式调用控件
if (receive0x10.InvokeRequired)
{
MyInvoke _myinvoke = new MyInvoke(showMsg10);
receive0x10.Invoke(_myinvoke, new object[] { msg });
}
else
{
receive0x10.AppendText(msg);
}
}
private void Form1_Load(object sender, EventArgs e)
{
RegistryKey key = Registry.CurrentUser.OpenSubKey("Software\\ModbusTcpClient", false);
if (key == null)
{
key = Registry.CurrentUser.CreateSubKey("Software\\ModbusTcpClient");
}
if (key != null)
{
string strKeyValue;
strKeyValue = key.GetValue("Server", "192.168.1.10").ToString();
if (strKeyValue.Length > 0)
{
serverIP.Text = strKeyValue;
}
strKeyValue = key.GetValue("Port", "502").ToString();
if (strKeyValue.Length > 0)
{
serverPort.Text = strKeyValue;
}
key.Close();
}
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
RegistryKey key = Registry.CurrentUser.OpenSubKey("Software\\ModbusTcpClient", true);
if (key != null)
{
string strKeyValue = serverIP.Text.Trim();
key.SetValue("Server", strKeyValue);
strKeyValue = serverPort.Text.Trim();
key.SetValue("Port", strKeyValue);
key.Close();
}
}
}
}
标签： Modbus Tcp
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