c#与西门子1500通讯

using System;
using System.Globalization;

namespace S7.Net
{
    /// 

    /// Conversion methods to convert from Siemens numeric format to C# and back
    /// 

    public static class Conversion
    {
        /// 

        /// Converts a binary string to Int32 value
        /// 

        /// 
        /// 
        public static int BinStringToInt32（this string txt）
        {
            int ret = 0;

            for （int i = 0; i < txt.Length; i++）
            {
                ret = （ret << 1） | （（txt[i] == ‘1‘） ? 1 : 0）;
            }
            return ret;
        }

        /// 

        /// Converts a binary string to a byte. Can return null.
        /// 

        /// 
        /// 
        public static byte? BinStringToByte（this string txt）
        {
            if （txt.Length == 8） return （byte）BinStringToInt32（txt）;
            return null;
        }

        /// 

        /// Converts the value to a binary string
        /// 

        /// 
        /// 
        public static string ValToBinString（this object value）
        {
            int cnt = 0;
            int cnt2 = 0;
            int x = 0;
            string txt = ““;
            long longValue = 0;

            try
            {
                if （value.GetType（）.Name.IndexOf（“[]“） < 0）
                {
                    // ist nur ein Wert
                    switch （value.GetType（）.Name）
                    {
                        case “Byte“:
                            x = 7;
                            longValue = （long）（（byte）value）;
                            break;
                        case “Int16“:
                            x = 15;
                            longValue = （long）（（Int16）value）;
                            break;
                        case “Int32“:
                            x = 31;
                            longValue = （long）（（Int32）value）;
                            break;
                        case “Int64“:
                            x = 63;
                            longValue = （long）（（Int64）value）;
                            break;
                        default:
                            throw new Exception（）;
                    }

                    for （cnt = x; cnt >= 0; cnt += -1）
                    {
                        if （（（Int64）longValue & （Int64）Math.Pow（2 cnt）） > 0）
                            txt += “1“;
                        else
                            txt += “0“;
                    }
                }
                else
                {
                    // ist ein Array
                    switch （value.GetType（）.Name）
                    {
                        case “Byte[]“:
                            x = 7;
                            byte[] ByteArr = （byte[]）value;
             

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2021-01-05 21:14  s7netplus-develop\
     文件         158  2021-01-05 21:14  s7netplus-develop\.gitignore
     目录           0  2021-01-05 21:14  s7netplus-develop\Documentation\
     文件      191272  2021-01-05 21:14  s7netplus-develop\Documentation\Documentation.docx
     文件      573506  2021-01-05 21:14  s7netplus-develop\Documentation\Documentation.pdf
     文件      121055  2021-01-05 21:14  s7netplus-develop\Documentation\protection 2.png
     文件       17466  2021-01-05 21:14  s7netplus-develop\Documentation\protection.png
     文件        8392  2021-01-05 21:14  s7netplus-develop\Documentation\struct.png
     文件         436  2021-01-05 21:14  s7netplus-develop\GitVersion.yml
     文件        1082  2021-01-05 21:14  s7netplus-develop\License.txt
     文件        1520  2021-01-05 21:14  s7netplus-develop\README.md
     目录           0  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\
     文件        3541  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\ConnectionRequestTest.cs
     文件         791  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\ConvertersUnitTest.cs
     目录           0  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Helpers\
     文件        2675  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Helpers\ConsoleManager.cs
     文件        1218  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Helpers\NativeMethods.cs
     文件        4188  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Helpers\S7TestServer.cs
     文件        1557  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Helpers\TestClass.cs
     文件         843  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Helpers\TestClassWithArrays.cs
     文件         498  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Helpers\TestClassWithCustomType.cs
     文件        1229  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Helpers\TestClassWithNestedClass.cs
     文件        1145  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Helpers\TestClassWithPrivateSetters.cs
     文件        6218  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Helpers\TestLongClass.cs
     文件        4806  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Helpers\TestLongStruct.cs
     文件         201  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Helpers\TestSmallClass.cs
     文件        1360  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Helpers\TestStruct.cs
     文件        6890  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\PLCAddressParsingTests.cs
     目录           0  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Properties\
     文件         596  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\Properties\S7.Net.snk
     文件        3562  2021-01-05 21:14  s7netplus-develop\S7.Net.UnitTest\ProtocolTests.cs
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