c#读取倍福PLC-twincat2

效果

代码

    public partial class Form1 : Form
    {
        private AdsClient PLC_Client = new AdsClient();
        private string AmsNetId = "39.64.16.138.1.1";
        public Form1()
        {
            InitializeComponent();
        }
        private void bntConnect_Click(object sender, EventArgs e)
        {
            Task.Run(readtc2plc);
        }

        private void readtc2plc()
        {
            while (true)
            {
                try
                {
                    if (PLC_Client.IsConnected)//读取PLC
                    {
                        btnConnect.BackColor = Color.Green;
                        uint handle = PLC_Client.CreateVariableHandle(".topc");
                        // 写入布尔值到PLC
                        //PLC_Client.WriteAny(handle, true);
                        // 读取布尔值从PLC
                        bool value = (bool)PLC_Client.ReadAny(handle, typeof(bool));
                        this.Invoke(new Action(() => { this.richTextBox1.Text += ".topc" + "=" + value + "\r\n"; }));
                        // 删除变量句柄
                        PLC_Client.DeleteVariableHandle(handle);
                    }
                    else//连接PLC
                    {
                        btnConnect.BackColor = Color.Red;
                        PLC_Client.Connect(AmsNetId, 801);
                    }
                }
                catch (Exception Err)
                {
                    btnConnect.BackColor = Color.Red;
                }
                Thread.Sleep(1000);
            }
        }
        private void closeBtn_Click(object sender, EventArgs e)
        {
            try
            {
                // 断开连接并释放资源
                PLC_Client.Dispose();
                // Task.Run(readtc2plc);
                ;

            }
            catch (Exception Err)
            {
                // ResultBox.Text += Err.Message + '\n';
            }
        }


    }