using System;
using System.Net.Sockets;
using System.Text;
 
class Program
{
    static void Main()
    {
        string ip = "192.168.1.100";  // 設(shè)備的IP地址
        int port = 502;  // 設(shè)備的端口號
 
        try
        {
            // 創(chuàng)建TCP連接
            TcpClient client = new TcpClient(ip, port);
            NetworkStream stream = client.GetStream();
 
            // 向設(shè)備發(fā)送命令
            byte[] message = Encoding.UTF8.GetBytes("READ DATA");
            stream.Write(message, 0, message.Length);
 
            // 接收設(shè)備返回的數(shù)據(jù)
            byte[] buffer = new byte[1024];
            int bytesRead = stream.Read(buffer, 0, buffer.Length);
            string response = Encoding.UTF8.GetString(buffer, 0, bytesRead);
            Console.WriteLine("Device Response: " + response);
 
            // 關(guān)閉連接
            stream.Close();
            client.Close();
        }
        catch (Exception ex)
        {
            Console.WriteLine("Error: " + ex.Message);
        }
    }
}

using System;
using Modbus.Device;
using System.Net.Sockets;
 
class Program
{
    static void Main()
    {
        TcpClient client = new TcpClient("192.168.1.100", 502); // Modbus服務(wù)器IP和端口
        ModbusTcpMaster master = ModbusTcpMaster.CreateIp(client);
 
        byte slaveId = 1;  // 設(shè)備ID
        ushort startAddress = 0;  // 起始地址
        ushort numOfPoints = 10;  // 讀取寄存器的數(shù)量
 
        // 讀取設(shè)備數(shù)據(jù)
        ushort[] values = master.ReadHoldingRegisters(slaveId, startAddress, numOfPoints);
 
        Console.WriteLine("Device Data:");
        foreach (var value in values)
        {
            Console.WriteLine(value);
        }
 
        client.Close();
    }
}

using System;
using System.Windows.Forms;
 
public class MonitorForm : Form
{
    private Label labelData;
 
    public MonitorForm()
    {
        labelData = new Label() { Top = 20, Left = 20, Width = 200 };
        this.Controls.Add(labelData);
        this.Text = "Device Monitor";
        this.Size = new System.Drawing.Size(300, 200);
    }
 
    public void UpdateData(string data)
    {
        labelData.Text = "Device Data: " + data;
    }
 
    static void Main()
    {
        Application.Run(new MonitorForm());
    }
}

using System;
using System.Net.Sockets;
 
class Program
{
    static void Main()
    {
        string ip = "192.168.1.100";
        int port = 502;
 
        try
        {
            TcpClient client = new TcpClient(ip, port);
            NetworkStream stream = client.GetStream();
 
            // 發(fā)送開機(jī)命令
            byte[] startCommand = Encoding.UTF8.GetBytes("START");
            stream.Write(startCommand, 0, startCommand.Length);
 
            // 接收設(shè)備返回的狀態(tài)
            byte[] buffer = new byte[1024];
            int bytesRead = stream.Read(buffer, 0, buffer.Length);
            string response = Encoding.UTF8.GetString(buffer, 0, bytesRead);
            Console.WriteLine("Device Response: " + response);
 
            // 關(guān)閉連接
            stream.Close();
            client.Close();
        }
        catch (Exception ex)
        {
            Console.WriteLine("Error: " + ex.Message);
        }
    }
}