using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.IO.Ports;
using?System.Linq;
using?System.Text;
using?System.Threading;
using?System.Threading.Tasks;
using?System.Windows.Forms;

namespace?OmronPLC_DEMO
{
????public?partial?class?Frm_Main?:?Form
????{
????????public?Frm_Main（）
????????{
????????????InitializeComponent（）;
????????}
????????#region?聲明變量與定義
????????string?str_StationNo?=?““;
????????#endregion

????????///?

????????///?【按鈕】打開串口
????????///?

????????///?
????????///?
????????private?void?btn_Open_Click（object?sender?EventArgs?e）
????????{
????????????try
????????????{
????????????????if?（sPort1.IsOpen?==?false）
????????????????{
????????????????????sPort1.Open（）;
????????????????????btn_ControlSport.Text?=?“關閉串口“;
????????????????????btn_ConnectTest.Enabled?=?true;
????????????????????btn_ReadState.Enabled?=?true;
????????????????}
????????????????else
????????????????{
????????????????????sPort1.Close（）;
????????????????????btn_ControlSport.Text?=?“打開串口“;
????????????????????btn_ConnectTest.Enabled?=?false;
????????????????????btn_ReadState.Enabled?=?false;
????????????????}
????????????}
????????????catch?（Exception）
????????????{
????????????????MessageBox.Show（“端口打開失敗，請檢查端口未被使用！！！“）;
????????????}
????????}

????????private?void?btn_ConnectTest_Click（object?sender?EventArgs?e）
????????{
????????????string?str_SendStr?=?““;
????????????string?str_ReadStr?=?““;
????????????if?（sPort1.IsOpen?==?false）
????????????{
????????????????MessageBox.Show（“請打開串口！“）;
????????????????return;
????????????}
????????????str_SendStr?=?“@“?+?str_StationNo?+?“TS“?+?“LSLLHD“;
????????????str_SendStr?=?str_SendStr?+?FCS（str_SendStr）?+?“*“?+?“\r“;
????????????str_ReadStr?=?CPM2A（str_ReadStr）;
????????????if?（str_ReadStr?==?str_SendStr）
????????????{
????????????????MessageBox.Show（“與PLC通訊正常！“）;
????????????}
????????????else
????????????{
????????????????MessageBox.Show（“通訊異常！“?+?str_ReadStr）;
????????????}
????????}

????????///?

????????///?數據返回查看
????????///?

????????///?
????????///?數據接收返回
????????private?string?CPM2A（string?inStr）
????????{
????????????char[]?SendBuffer;
????????????char[]?ReadBuffer;
????????????int?length?=?0;
????????????SendBuffer?=?inStr.ToCharArray（）;
????????????sPort1.Write（SendBuffer?0?SendBuffer.Length）;
????????????do
????????????{
????????????????Thread.Sleep（5）;
????????????}?while?（sPort1.BytesToRead?????????????Thread.Sleep（20）;
????????????length?=?sPort1.BytesToRead;
????????????ReadBuffer?=?new?char[length];
????????????sPort1.Read（ReadBuffer?0?length）;
????????????string?instring?=?new?string（ReadBuffer）;
????????????return?instring;
????????}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????3144??2016-08-16?10:16??51Aspx源碼必讀.txt
?????文件?????????187??2016-08-01?10:15??App.config
?????文件???????24687??2016-08-01?13:47??Frm_Main.Designer.cs
?????文件???????13410??2016-08-01?13:47??Frm_Main.cs
?????文件???????10243??2016-08-01?13:47??Frm_Main.resx
?????文件??????315955??2016-08-01?13:53??OMRON?PLC與上位機的通信協議.docx
?????文件????????3820??2016-08-01?10:46??OmronPLC_DEMO.csproj
?????文件?????????915??2016-08-16?09:47??OmronPLC_DEMO.sln
?????文件???????19968??2016-08-16?09:47??OmronPLC_DEMO.v11.suo
?????文件?????????528??2016-08-01?10:21??Program.cs
?????目錄???????????0??2016-08-16?09:39??Properties\
?????文件????????1358??2016-08-01?10:15??Properties\AssemblyInfo.cs
?????文件????????2878??2016-08-01?10:15??Properties\Resources.Designer.cs
?????文件????????5612??2016-08-01?10:15??Properties\Resources.resx
?????文件????????1100??2016-08-01?10:15??Properties\Settings.Designer.cs
?????文件?????????249??2016-08-01?10:15??Properties\Settings.settings
?????目錄???????????0??2016-08-16?09:39??bin\
?????目錄???????????0??2016-08-16?09:43??bin\Debug\
?????文件???????24576??2016-08-16?09:43??bin\Debug\OmronPLC_DEMO.exe
?????文件?????????187??2016-08-01?10:15??bin\Debug\OmronPLC_DEMO.exe.config
?????文件???????34304??2016-08-16?09:43??bin\Debug\OmronPLC_DEMO.pdb
?????文件???????22984??2016-08-16?09:41??bin\Debug\OmronPLC_DEMO.vshost.exe
?????文件?????????187??2016-08-01?10:15??bin\Debug\OmronPLC_DEMO.vshost.exe.config
?????文件?????????490??2012-06-02?22:34??bin\Debug\OmronPLC_DEMO.vshost.exe.manifest
?????目錄???????????0??2016-08-16?10:16??bin\Release\
?????文件????????4945??2014-04-30?09:10??from.gif
?????文件????????1818??2007-07-03?10:18??high.png
?????文件????????1889??2007-07-03?10:18??low.png
?????目錄???????????0??2016-08-16?09:39??obj\
?????目錄???????????0??2016-08-16?09:43??obj\Debug\
?????文件????????1278??2016-08-01?13:33??obj\Debug\DesignTimeResolveAssemblyReferences.cache
............此處省略14個文件信息