欧姆龙PLC hostlink通讯

【实例截图】

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Threading;


namespace DXF贴合机触摸屏
{
    public partial class Form1 : Form
    {
        bool isOpen = false;
        public static string sw1;
        public Form1()
        {
           
            InitializeComponent();
        }

        private void button5_Click(object sender, EventArgs e)
        {
           
        }

        private void button6_Click(object sender, EventArgs e)
        {

        }

    private void button13_Click(object sender, EventArgs e)
        {
           
                if (isOpen == false)
                {
                    try
                    {
                        serialPort1.Open();
                        isOpen = true;
                        button13.Text = "已连接";

                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.Message);
                    }
                }
               else
               {
                 try//打开串口
                 {
                     serialPort1.Close();
                    isOpen = false;
                    //isSetProperty = false;
                     button13.Text= "打开串口";
                 }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.Message);
                    }
                  
               }
          }


     private void button1_Click(object sender, EventArgs e)
        {
            serialPort1.DiscardOutBuffer();
            if (button14.Text == "地址设置中")
            {
                Form2 f2 = new Form2();
                if (f2.Visible)
                    f2.Hide();
                else
                    f2.Show();
            }
            if (button14.Text == "地址设置")
            {
                 //sw1=Form2.sw;
                serialPort1.Write(sw1);
                Thread.Sleep(100);
                serialPort1.DiscardOutBuffer();
                string sw2 = "@00FA0000000000102B10002000001000004*\r\n";
                serialPort1.Write(sw2);

            }
           // button1.Enabled = false;
        }

        private void button14_Click(object sender, EventArgs e)
        {
            if (button14.Text =="地址设置")
            {
                button14.Text ="地址设置中";
                return;
            }
            if (button14.Text == "地址设置中")
            {
                button14.Text = "地址设置";
                return;
            }

        }

        private void Form1_Load(object sender, EventArgs e)
        {
            serialPort1.PortName = "COM3";  //串口号
            serialPort1.BaudRate = 115200;          //波特率115200
            serialPort1.DtrEnable = true;           //DTR启用
            serialPort1.RtsEnable = true;           //RTS启用
            serialPort1.DataBits = 8;               //数据位8
            serialPort1.Parity = System.IO.Ports.Parity.None;       //无校验
            serialPort1.StopBits = System.IO.Ports.StopBits.One;    //停止位1
            sw1 = SystemConfig.GetConfigData("sw0", string.Empty);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            serialPort1.DiscardOutBuffer();
            if (button14.Text == "地址设置中")
            {
                Form3 f3 = new Form3();
                if (f3.Visible)
                    f3.Hide();
                else
                    f3.Show();
            }
            if (button14.Text == "地址设置")
            {
                string sw1 = Form3.tz;
                serialPort1.Write(sw1);
                

            }
        }

    }
}