opc.cs

OPC client communication with opc server by reading data

using System;
using System.Collections.Generic;
using System.Text;
using OPCAutomation;
using System.Runtime.InteropServices;
using System.Windows.Forms;


namespace WindowsApplication1
{
    sealed class OPC
    {
        [DllImport("kernel32.dll")]


        public static extern int GetTickCount();

        #region OPC连接的变量
        string ServerName = "OPC.SimaticNET";      //        ‘OPC的类型
        //string NodeName = "soft";
        //string ip = "";//'结点名，即计算机名
        //string OPCWay = "S7:[ccc1|VFD1|S7ONLINE]";     //'Step7 用
        string OPCWay = "S7:[S7 connection_1]";        //   Simatic用
        const int RI50 = 170;
        const int RI51 = 232;
        const int RI52 = 40;
        const int RI53 = 52;
        const int RI54 = 150;
        const int RI55 = 120;
        const int RI56 = 80;
        const int RI57 = 120;
        const int RI58 = 200;
        const int RI59 = 120;
        const int RI61 = 90;
        const int RI63 = 364;
        const int RI65 = 8;
        const int RI66 = 50;
        const int RI90 = 340;
        //static object DBD;
        int i;
        ///OPCServer  MyOPCServer;
        //public  OPCGroups  MyOPCGroups;
        OPCGroup OPCGroup50;
        OPCGroup OPCGroup51;
        OPCGroup OPCGroup52;
        OPCGroup OPCGroup53;
        OPCGroup OPCGroup54;
        OPCGroup OPCGroup55;
        OPCGroup OPCGroup56;
        OPCGroup OPCGroup57;
        OPCGroup OPCGroup58;
        OPCGroup OPCGroup59;
        OPCGroup OPCGroup61;
        OPCGroup OPCGroup63;
        OPCGroup OPCGroup65;
        OPCGroup OPCGroup66;
        OPCGroup OPCGroup90;
        public static OPCItems OPCItemColl50;
        public static OPCItems OPCItemColl51;
        public static OPCItems OPCItemColl52;
        public static OPCItems OPCItemColl53;
        public static OPCItems OPCItemColl54;
        public static OPCItems OPCItemColl55;
        public static OPCItems OPCItemColl56;
        public static OPCItems OPCItemColl57;
        public static OPCItems OPCItemColl58;
        public static OPCItems OPCItemColl59;
        public static OPCItems OPCItemColl61;
        public static OPCItems OPCItemColl63;
        public static OPCItems OPCItemColl65;
        public static OPCItems OPCItemColl66;
        public static OPCItems OPCItemColl90;
        
       
        //Array ServerHandlesOut;
            //Array ErrorsOut;

     // Array ReadItemLb50 = Array.CreateInstance(typeof(String), new int[] { RI50 }, new int[] { 1 });
        string[] ReadItemLbl50 = new string[RI50+1];
        string[] ReadItemLbl51 = new string[RI51+1];
        string[] ReadItemLbl52 = new string[RI52+1];
        string[] ReadItemLbl53 = new string[RI53+1];
        string[] ReadItemLbl54 = new string[RI54+1];
        string[] ReadItemLbl55 = new string[RI55+1];
        string[] ReadItemLbl56 = new string[RI56+1];
        string[] ReadItemLbl57 = new string[RI57+1];
        string[] ReadItemLbl58 = new string[RI58+1];
        string[] ReadItemLbl59 = new string[RI59+1];
        string[] ReadItemLbl61 = new string[RI61+1];
        string[] ReadItemLbl63 = new string[RI63+1];
        string[] ReadItemLbl65 = new string[RI65+1];
        string[] ReadItemLbl66 = new string[RI66+1];
        string[] ReadItemLbl90 = new string[RI90+1];

      //Array ClientHandles50=Array.CreateInstance(typeof(string), new int[]{RI50}, new int[]{1});
        int[] ClientHandles50 = new int[RI50+1];
        int[] ClientHandles51 = new int[RI51+1];
        int[] ClientHandles52 = new int[RI52+1];
        int[] ClientHandles53 = new int[RI53+1];
        int[] ClientHandles54 = new int[RI54+1];
        int[] ClientHandles55 = new int[RI55+1];
        int[] ClientHandles56 = new int[RI56+1];
        int[] ClientHandles57 = new int[RI57+1];
        int[] ClientHandles58 = new int[RI58+1];
        int[] ClientHandles59 = new int[RI59+1];
        int[] ClientHandles61 = new int[RI61+1];
        int[] ClientHandles63 = new int[RI63+1];
        int[] ClientHandles65 = new int[RI65+1];
        int[] ClientHandles66 = new int[RI66+1];
        int[] ClientHandles90 = new int[RI90+1];



        #endregion

        #region 程序方法实现初始化部分
        private void InitRItemLbl50()
        {
            int i = 0;
            int DBXH = 0;
            int DBXL = 0;
            do
            {
                ClientHandles50[i] = i;
                i = i + 1;
                ReadItemLbl50[i] = OPCWay + "DB50," + DBXH + "." + DBXL;

                DBXL = DBXL + 1;
                if (DBXL > 7)
                {
                    DBXL = 0;
                    DBXH = DBXH + 1;
                }




                //splash.ProgressBar.Value = i;


            } while (i < RI50);


        }
        private void InitRItemLbl51()
        {
            int i = 0;
            int DBXH = 0;
            int DBXL = 0;
            do
            {
                ClientHandles51[i] = i;
                i = i + 1;
                ReadItemLbl51[i] = OPCWay + "DB51," + DBXH + "." + DBXL;

                DBXL = DBXL + 1;
                if (DBXL > 7)
                {
                    DBXL = 0;
                    DBXH = DBXH + 1;
                }




              //  splash.ProgressBar.Value = i;


            } while (i < RI51);


        }
        private void InitRItemLbl52()
        {
            int i = 0;
            int DBXH = 0;
            int DBXL = 0;
            do
            {
                ClientHandles52[i] = i;
                i = i + 1;
                ReadItemLbl52[i] = OPCWay + "DB52," + DBXH + "." + DBXL;

                DBXL = DBXL + 1;
                if (DBXL > 7)
                {
                    DBXL = 0;
                    DBXH = DBXH + 1;
                }




                //splash.ProgressBar.Value = i;


            } while (i < RI52);


        }
        private void InitRItemLbl53()
        {
            int i = 0;

            int DBD = 0;
            do
            {
                ClientHandles53[i] = i;
                i = i + 1;
                ReadItemLbl53[i] = OPCWay + "DB53,W" + DBD;
                DBD = DBD + 2;




                //splash.ProgressBar.Value = i;


            } while (i < RI53);


        }
        private void InitRItemLbl54()
        {
            int i = 0;

            int DBD = 0;
            do
            {
                ClientHandles54[i] = i;
                i = i + 1;
                ReadItemLbl54[i] = OPCWay + "DB54,REAL" + DBD;
                DBD = DBD + 4;





                //splash.ProgressBar.Value = i;


            } while (i < 65);

            //ReadItemLbl54[i] = OPCWay + "DB54,DINT" + DBD - 4;

            i = 65;
            DBD = 258;
            do
            {
                ClientHandles54[i] = i;
                i = i + 1;
                ReadItemLbl54[i] = OPCWay + "DB54,REAL" + DBD;
                DBD = DBD + 4;

                //splash.ProgressBar.Value = i;
            } while (i < RI54);




        }
        private void InitRItemLbl55()
        {
            int i = 0;

            int DBD = 0;
            do
            {
                ClientHandles55[i] = i;
                i = i + 1;
                ReadItemLbl55[i] = OPCWay + "DB55,REAL" + DBD;
                DBD = DBD + 4;





                //splash.ProgressBar.Value = i;


            } while (i < RI55);


        }
        private void InitRItemLbl56()
        {
            int i = 0;

            int DBD = 0;
            do
            {
                ClientHandles56[i] = i;
                i = i + 1;
                ReadItemLbl56[i] = OPCWay + "DB56,REAL" + DBD;
                DBD = DBD + 4;





                //splash.ProgressBar.Value = i;


            } while (i < RI56);


        }
        private void InitRItemLbl57()
        {
            int i = 0;

            int DBD = 0;
            do
            {
                ClientHandles57[i] = i;
                i = i + 1;
                ReadItemLbl57[i] = OPCWay + "DB57,REAL" + DBD;
                DBD = DBD + 4;





               // splash.ProgressBar.Value = i;


            } while (i < RI57);


        }
        private void InitRItemLbl58()
        {
            int i = 0;

            int DBD = 0;
            do
            {
                ClientHandles58[i] = i;
                i = i + 1;
                ReadItemLbl58[i] = OPCWay + "DB58,REAL";
                DBD = DBD + 4;





                //splash.ProgressBar.Value = i;


            } while (i < RI58);



        }
        private void InitRItemLbl59()
        {
            int i = 0;

            int DBD = 0;
            do
            {
                ClientHandles59[i] = i;
                i = i + 1;
                ReadItemLbl59[i] = OPCWay + "DB59,REAL" + DBD;
                DBD = DBD + 4;




                //splash.ProgressBar.Value = i;


            } while (i < RI59);


        }
        private void InitRItemLbl61()
        {
            int i = 0;
            int DBXH = 0;
            int DBXL = 0;
            do
            {
                ClientHandles61[i] = i;
                i = i + 1;
                ReadItemLbl61[i] = OPCWay + "DB61," + DBXH + "." + DBXL;

                DBXL = DBXL + 1;
                if (DBXL > 7)
                {
                    DBXL = 0;
                    DBXH = DBXH + 1;
                }




               // splash.ProgressBar.Value = i;


            } while (i < RI61);


        }
        private void InitRItemLbl63()
        {
            int i = 0;
            int DBXH = 0;
            int DBXL = 0;
            do
            {
                ClientHandles63[i] = i;
                i = i + 1;
                ReadItemLbl63[i] = OPCWay + "DB63," + DBXH + "." + DBXL;

                DBXL = DBXL + 1;
                if (DBXL > 7)
                {
                    DBXL = 0;
                    DBXH = DBXH + 1;
                }



               // splash.ProgressBar.Value = i;


            } while (i < RI63);


        }
        private void InitRItemLbl65()
        {
            int i = 0;

            int DBD = 0;
            do
            {
                ClientHandles65[i] = i;
                i = i + 1;
                ReadItemLbl65[i] = OPCWay + "DB65,REAL" + DBD;
                DBD = DBD + 4;