1.界面

image.png

2.源碼

using OPCAutomation;
using System;
using System.Drawing;
using System.Windows.Forms;

namespace KepserverTest
{
    /*
    1.連接KepServer服務(wù)器：OPCServer.Connect(string ProgID, object Node);
    2.配置通道：OPCGroup OPCServer.OPCGroups.Add(chanel);
    3.配置item：OPCItem OPCItems.AddItem(string ItemID, int ClientHandle);
        (1)讀：OPCItem.Read(short Source, out object Value, out object Quality, out object TimeStamp);
        (2)寫：OPCItem.Write(object Value);
     */
    public partial class Form1 : Form
    {
        string def_chanel = "通道 3";
        string def_item = "通道 3.設(shè)備 1.M1";

        string remoteServerName, remoteServerIP;//服務(wù)器明和服務(wù)器IP地址

        OPCServer KepServer;
        OPCGroup KepGroup;
        OPCItem KepItem1;//動(dòng)態(tài)數(shù)據(jù)
        OPCItem KepItem;//讀取寫入

        int[] ServerHandle = new int[2];

        bool isStart = false;

        /*初始化*/
        public Form1()
        {
            InitializeComponent();
            KepServer = new OPCServer();
        }
        /*連接按鈕*/
        private void button1_Click(object sender, EventArgs e)
        {
            //獲取服務(wù)器IP地址和服務(wù)器名
            remoteServerIP = this.tb_server_ip.Text;
            remoteServerName = this.tb_server_name.Text;
            //連接服務(wù)器
            ConnectRemoteServer(remoteServerIP, remoteServerName);
        }
        /*斷開按鈕*/
        private void button2_Click(object sender, EventArgs e)
        {
            //斷開連接
            DisConnectRemoteServer();
        }
        /*讀取按鈕*/
        private void btn_read_syn_Click(object sender, EventArgs e)
        {
            object ItemValues;
            object Qualities;
            object TimeStamps;
            try
            {
                //準(zhǔn)備ID信息
                string chanel = this.tb_chanel.Text;
                string device = this.tb_device.Text;
                string key = this.tb_mark.Text;

                //SetGroup(chanel);
                KepItem = KepGroup.OPCItems.AddItem(chanel+"."+device + "." +key, 1);//創(chuàng)建Item
                //KepItem = KepGroup.OPCItems.GetOPCItem(ServerHandle[0]);
                //ServerHandle[1] = KepItem.ServerHandle;//？？？
                System.Threading.Thread.Sleep(500);//服務(wù)器掃描速率為100ms
                //讀取數(shù)據(jù)，并輸出
                KepItem.Read(1, out ItemValues, out Qualities, out TimeStamps);
                //顯示數(shù)據(jù)
                this.listBox2.Items.Insert(0,
                    "[Value] " + string.Format("{0}", KepItem.Value) + "   " +
                    "[Quality] " + string.Format("{0}", KepItem.Quality) + "   " +
                    "[TimeStamp] " + string.Format("{0}", KepItem.TimeStamp)
                    );
                //輸出日志
                Log("【信息】讀取"+KepItem.ItemID);
            }
            catch (System.Exception ex)
            {
                Log("【異常】" + ex.Message);
            }
        }
        /*寫入按鈕*/
        private void btn_write_Click_1(object sender, EventArgs e)
        {
            try
            {
                string chanel = this.tb_chanel.Text;
                string device = this.tb_device.Text;
                string mark = this.tb_mark.Text;
                int value = int.Parse(this.tb_value_write.Text);

                KepItem = KepGroup.OPCItems.AddItem(chanel + "." + device + "." + mark, 1);
                //ServerHandle[1] = KepItem.ServerHandle;
                System.Threading.Thread.Sleep(200);
                KepItem.Write(value);
                Log("【信息】寫入"+KepItem.ItemID);
            }
            catch (System.Exception error)
            {
                Log("【異常】" + error.Message);
            }
        }
        /*啟動(dòng)/關(guān)閉*/
        private void btn_power_Click(object sender, EventArgs e)
        {
            try
            {
                string chanel = this.tb_chanel.Text;
                string device = this.tb_device.Text;
                string mark = this.tb_mark.Text;
                bool value = !isStart;

                KepItem = KepGroup.OPCItems.AddItem(chanel + "." + device + "." + mark, 1);
                //ServerHandle[1] = KepItem.ServerHandle;
                System.Threading.Thread.Sleep(200);
                KepItem.Write(value);

                this.btn_power.Text = isStart ? "啟動(dòng)" : "關(guān)閉";

                Log("【信息】寫入" + KepItem.ItemID+" : "+isStart);
            }
            catch (System.Exception error)
            {
                Log("【異常】" + error.Message);
            }
        }

        /*動(dòng)態(tài)讀取按鈕*/
        private void btn_read_dyn_Click(object sender, EventArgs e)
        {
            KepItem1 = KepGroup.OPCItems.AddItem(def_item, 1);
            //綁定委托：數(shù)據(jù)改變
            KepGroup.DataChange += new DIOPCGroupEvent_DataChangeEventHandler(MyOpcGroup_DataChange);
        }
        /*連接服務(wù)器*/
        private bool ConnectRemoteServer(string remoteServerIP, string remoteServerName)
        {
            string status;
            try
            {
                this.KepServer.Connect(remoteServerName, remoteServerIP);
                if (KepServer.ServerState == (int)OPCServerState.OPCRunning)
                {
                    status = "【連接】" + KepServer.ServerName + "   ";
                }
                else
                {
                    //這里你可以根據(jù)返回的狀態(tài)來自定義顯示信息，請(qǐng)查看自動(dòng)化接口API文檔
                    status = "【狀態(tài)】" + KepServer.ServerState.ToString() + "   ";
                }
            }
            catch (Exception ex)
            {
                Log("【異常】" + "KepServer"+ex.Message);
                return false;
            }
            //設(shè)置組
            try
            {
                //添加通道
                KepGroup = KepServer.OPCGroups.Add(def_chanel);//通道標(biāo)識(shí)
                //設(shè)置通道
                KepGroup.IsActive = true;
                KepGroup.IsSubscribed = true;
                KepGroup.DeadBand = 0;
                KepGroup.UpdateRate = 1000;//更新速率

                //初始化item1：ModbusSlave測(cè)試（通道）>ModbusSlave（從機(jī)）>K1（標(biāo)記）
                //KepItem1 = KepGroup.OPCItems.AddItem(def_item, 1);
                //ServerHandle[0] = KepItem1.ServerHandle;//？？？

                //綁定委托：完成異步寫入
                KepGroup.AsyncWriteComplete += new DIOPCGroupEvent_AsyncWriteCompleteEventHandler(MyOpcGroup_AsyncWriteComplete);
                //綁定委托：完成異步讀取
                KepGroup.AsyncReadComplete += new DIOPCGroupEvent_AsyncReadCompleteEventHandler(MyOpcGroup_AsyncReadComplete);
                //綁定委托：？？？
                KepGroup.AsyncCancelComplete += new DIOPCGroupEvent_AsyncCancelCompleteEventHandler(MyOpcGroup_AsyncCancelComplete);
                //綁定委托：數(shù)據(jù)改變
                //KepGroup.DataChange += new DIOPCGroupEvent_DataChangeEventHandler(MyOpcGroup_DataChange);
            }
            catch (System.Exception ex)
            {
                Log("【異常】" + "KepGroup," + ex.Message);
                return false;
            }

            Log(status);
            return true;
        }

        /*斷開連接*/
        private void DisConnectRemoteServer()
        {
            try
            {
                this.KepServer.Disconnect();
                Log( "【斷開】" + remoteServerIP);
            }
            catch(Exception ex)
            {
                Log("【異常】" + ex.Message);
            }
        }

        void MyOpcGroup_AsyncCancelComplete(int CancelID)
        {
            throw new NotImplementedException();
        }

        void MyOpcGroup_AsyncReadComplete(int TransactionID, int NumItems, ref Array ClientHandles, ref Array ItemValues, ref Array Qualities, ref Array TimeStamps, ref Array Errors)
        {
            throw new NotImplementedException();
        }

        void MyOpcGroup_AsyncWriteComplete(int TransactionID, int NumItems, ref Array ClientHandles, ref Array Errors)
        {
            throw new NotImplementedException();
        }
        /*DataChange事件*/
        void MyOpcGroup_DataChange(int TransactionID, int NumItems, ref Array ClientHandles, ref Array ItemValues, ref Array Qualities, ref Array TimeStamps)
        {
            try
            {
                this.listBox2.Items.Clear();
                this.listBox2.Items.Insert(0,
                    "[Value] " + string.Format("{0}", KepItem1.Value) + "   " +
                    "[Quality] " + string.Format("{0}", KepItem1.Quality) + "   " +
                    "[TimeStamp] " + string.Format("{0}", KepItem1.TimeStamp)
                    );
            }
            catch (System.Exception ex)
            {
                Log("【異常】" + ex.Message);
            }
        }
        #region 管理數(shù)據(jù)顯示
        private void lb3_clear_all_Click(object sender, EventArgs e)
        {
            listBox3.Items.Clear();
        }

        private void listBox3_MouseUp(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {
                ms_lb3.Show(listBox3, new Point(e.X, e.Y));
            }
        }

        private void listBox2_MouseUp(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {
                ms_lb2.Show(listBox2, new Point(e.X, e.Y));
            }
        }

        private void lb2_clear_all_Click(object sender, EventArgs e)
        {
            listBox2.Items.Clear();
        }

        void Log(string info)
        {
            this.listBox3.Items.Insert(0, "[" + DateTime.Now.ToString() + "]     " + info);
        }
        #endregion
    }
}