c#与Omron通讯(通过Fins命令读写Omron PLC)

【实例简介】

使用前，使用说明：

【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.Windows.Forms;
using Pro_Fins.PublicClass;

namespace Pro_Fins
{
    public partial class frmMain : Form
    {
        public frmMain()
        {
            InitializeComponent();
        }

        private Common common = new Common();
        private OmronPLC omronPLC = new OmronPLC();
        public string[] PLCAdrress = null;    //PLC服务器地址

        private string readplc(int PLCAdrressIndex)
        {
            return omronPLC.ReadPLC(PLCAdrressIndex - 1);         //习惯从1排,故这样写
        }

        private bool writeplc(int PLCAdrressIndex, object value)
        {
            return omronPLC.WritePLC(PLCAdrressIndex - 1, value); //习惯从1排,故这样写
        }       

        private void button1_Click(object sender, EventArgs e)
        {
            string[] opcServerNames = null;

            opcServerNames = omronPLC.getOpcServerNames();
            if (opcServerNames != null)
            {
                for (int i = 0; i <= opcServerNames.Length - 1; i  )
                {
                    cbbPLC.Items.Add(opcServerNames[i]);
                }
                if (cbbPLC.Items.Count > 0)
                {
                    cbbPLC.SelectedIndex = 0;
                }
            }    
        }

        private void button2_Click(object sender, EventArgs e)
        {
            //连接PLC 
            if (omronPLC.ConnectOpcServer(cbbPLC.Text) == false)
            {
                MessageBox.Show("连接Omron PLC服务器失败!!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                return;
            }

            //初始化PLC数据标签项
            PLCAdrress = new string[15];
            PLCAdrress[0] = "IP13.WR.FZJC01";
            PLCAdrress[1] = "IP13.WR.FZJC02";
            PLCAdrress[2] = "IP13.WR.FZJC03";
            PLCAdrress[3] = "IP13.WR.FZJC04";
            PLCAdrress[4] = "IP13.WR.FZJC05";
            PLCAdrress[5] = "IP13.WR.FZJC06";
            PLCAdrress[6] = "IP13.WR.FZJC07";
            PLCAdrress[7] = "IP13.WR.FZJC08";
            PLCAdrress[8] = "IP13.WR.FZJC09";
            PLCAdrress[9] = "IP13.WR.FZJC10";
            PLCAdrress[10] = "IP13.WR.FZJC11";
            PLCAdrress[11] = "IP13.WR.FZJC12";
            PLCAdrress[12] = "IP13.WR.FZJC13";
            PLCAdrress[13] = "IP13.WR.FZJC14";
            PLCAdrress[14] = "IP13.WR.FZJC15";  
            omronPLC.CreateOpcGroup(PLCAdrress); //创建组与标签项
        }

        private void button3_Click(object sender, EventArgs e)
        {
            listBox1.Items.Clear();
            for (int i = 1; i <= 15; i  )
            {
                listBox1.Items.Add("变量"   i.ToString()   "="   readplc(i));
            }
            listBox1.Items.Add("读完毕!!");
        }

        private void button4_Click(object sender, EventArgs e)
        {
            writeplc(2, 1);    //扫码完成=0
            writeplc(5, 0);    //是不是零度位置=0
            writeplc(7, 0);    //读取零度角度完成=0
            writeplc(11, 90.5); //旋转数据读取完成=0
            writeplc(12, 0);   //旋转角度读取次数=0
            writeplc(13, 0);   //全部数据读取完毕=0
            writeplc(14, 0);   //是不是合格1=0
            writeplc(15, 0);   //是不是合格2=0
        }
    }
}