C#三菱FX系列PLC纯串口命令各区域读写

C#三菱FX系列PLC纯串口命令各区域读写，对于D区，各类型数据均有涉及：short，int，float，简单的demo，并非项目，一目了然

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 System.IO.Ports;
using System.Threading;
using System.IO;

namespace WindowsFormsApplication2
{
    public partial class Form1 : Form
    {
        public Form1（）
        {
            InitializeComponent（）;
        }

        private void button1_Click（object sender EventArgs e）
        {
            try
            {
                SerialPort sp = new SerialPort（“COM3“ 9600 Parity.Even 7 StopBits.One）;
                sp.Open（）;

                sp.Write（MethodHx.GenerateMitsubishiPlcReadCommand（“D“ 110 1））;
                byte[] br = new byte[144];
                int b = 0 i = 0;
                while （true）
                {
                    b = sp.ReadByte（）;
                    if （b == 3）
                    {
                        sp.ReadByte（）;
                        sp.ReadByte（）;
                        break;
                    }
                    br[i] = （byte）b;
                    i++;
                }
                short D110 = 0;
                if （br[0] == 2）
                    D110 = MethodHx.DecodeMitsubishiPlcData_D_Short（br）;
                Console.WriteLine（D110）;

                sp.Close（）;
            }
            catch （Exception ex） { MessageBox.Show（ex.Message）; }
        }

        private void button2_Click（object sender EventArgs e）
        {
            try
            {
                SerialPort sp = new SerialPort（“COM3“ 9600 Parity.Even 7 StopBits.One）;
                sp.Open（）;

                sp.Write（MethodHx.GenerateMitsubishiPlcReadCommand（“D“ 510 10））;
                byte[] br = new byte[144];
                int b = 0 i = 0;
                while （true）
                {
                    b = sp.ReadByte（）;
                    if （b == 3）
                    {
                        sp.ReadByte（）;
                        sp.ReadByte（）;
                        break;
                    }
                    br[i] = （byte）b;
                    i++;
                }
                string D800 = ““;
                if （br[0] == 2）
                    D800 = MethodHx.DecodeMitsubishiPlcData_D_String（br 10）;
                Console.WriteLine（D800）;

                Console.WriteLine（“**********************“）;

                sp.Write（MethodHx.GenerateMitsubishiPlcReadCommand（“D“ 510 10））;
                b = 0;
                i = 0;
                while （true）
                {
                    b = sp.ReadByte（）;
                    if （b == 3）
                    {
                        sp.ReadByte（）;
                        sp.ReadByte（）;
                        break;
                    }
                    br[i] = （byte）b;
                    i++;
                }
 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-12-21 15:45  WindowsFormsApplication2\
     目录           0  2017-12-23 15:09  WindowsFormsApplication2\WindowsFormsApplication2\
     文件        7614  2017-12-23 14:07  WindowsFormsApplication2\WindowsFormsApplication2\Form1.Designer.cs
     文件        8069  2017-12-23 15:09  WindowsFormsApplication2\WindowsFormsApplication2\Form1.cs
     文件        5817  2017-12-23 14:07  WindowsFormsApplication2\WindowsFormsApplication2\Form1.resx
     文件       16418  2017-12-23 15:05  WindowsFormsApplication2\WindowsFormsApplication2\MethodHx.cs
     文件         505  2017-12-21 15:45  WindowsFormsApplication2\WindowsFormsApplication2\Program.cs
     目录           0  2017-12-21 15:45  WindowsFormsApplication2\WindowsFormsApplication2\Properties\
     文件        1372  2017-12-21 15:45  WindowsFormsApplication2\WindowsFormsApplication2\Properties\AssemblyInfo.cs
     文件        2900  2017-12-21 15:45  WindowsFormsApplication2\WindowsFormsApplication2\Properties\Resources.Designer.cs
     文件        5612  2017-12-21 15:45  WindowsFormsApplication2\WindowsFormsApplication2\Properties\Resources.resx
     文件        1111  2017-12-21 15:45  WindowsFormsApplication2\WindowsFormsApplication2\Properties\Settings.Designer.cs
     文件         249  2017-12-21 15:45  WindowsFormsApplication2\WindowsFormsApplication2\Properties\Settings.settings
     文件        3801  2017-12-21 15:52  WindowsFormsApplication2\WindowsFormsApplication2\WindowsFormsApplication2.csproj
     目录           0  2017-12-21 15:45  WindowsFormsApplication2\WindowsFormsApplication2\bin\
     目录           0  2017-12-23 15:05  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\
     文件       17920  2017-12-23 15:09  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.exe
     文件       44544  2017-12-23 15:09  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.pdb
     文件       24216  2017-12-23 15:09  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.vshost.exe
     文件         490  2017-09-29 21:43  WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.vshost.exe.manifest
     目录           0  2017-12-21 15:45  WindowsFormsApplication2\WindowsFormsApplication2\obj\
     目录           0  2017-12-23 15:09  WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\
     文件        1453  2017-12-21 16:51  WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\DesignTimeResolveAssemblyReferences.cache
     文件        6884  2017-12-21 15:46  WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     目录           0  2017-12-23 15:22  WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\TempPE\
     文件         180  2017-12-23 15:05  WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\WindowsFormsApplication2.Form1.resources
     文件         180  2017-12-23 15:05  WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\WindowsFormsApplication2.Properties.Resources.resources
     文件         946  2017-12-23 15:09  WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\WindowsFormsApplication2.csproj.FileListAbsolute.txt
     文件         977  2017-12-23 15:05  WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\WindowsFormsApplication2.csproj.GenerateResource.Cache
     文件        2211  2017-12-23 15:06  WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\WindowsFormsApplication2.csprojResolveAssemblyReference.cache
     文件       17920  2017-12-23 15:09  WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\WindowsFormsApplication2.exe
............此处省略3个文件信息