实例介绍
【实例简介】
【实例截图】
【核心代码】
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 | public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button4_Click(object sender, EventArgs e) { this.Close(); //关闭窗体 } private void Form1_Load(object sender, EventArgs e) { radioButton1.Checked = true; serialPort1.PortName = comboBox1.Text; } private void button5_Click(object sender, EventArgs e) { if(serialPort1.IsOpen == false) { serialPort1.Open(); button5.Text = "关闭串口"; pictureBox2.Image = PLC_COM.Properties.Resources.low; } else { serialPort1.Close(); button5.Text = "打开串口"; pictureBox2.Image = PLC_COM.Properties.Resources.high; } } #region 读取数据,功能演示只读取一个字的数据 private void button2_Click(object sender, EventArgs e) //读取数据 { string SendStr = ""; string ReadData = ""; string Addr = "0000"; //数据地址 string RTUaddr = "00"; //PLC 站号 Addr = textBox1.Text.Trim(); RTUaddr = comboBox2.Text.Trim(); if(serialPort1.IsOpen==false) { MessageBox.Show("请打开串口！"); return; } SendStr = "@" RTUaddr "RD" Addr "0001"; //只读取一个地址的数据，修改最后的数，可一次读取多个数据 SendStr = SendStr FCS(SendStr) "*" '\r'; ReadData = COM2CPM2A(SendStr); textBox2.Text = ReadData.Trim().Substring(7,4); } #endregion #region 写数据 DM private void button3_Click(object sender, EventArgs e) { string SendStr = ""; string WriteData = ""; string SendData = ""; string Addr = ""; //数据地址 string RTUaddr = ""; //PLC 站号 Addr = textBox1.Text.ToString().Trim(); RTUaddr = comboBox2.Text.Trim(); SendData = textBox2.Text.Trim(); if (serialPort1.IsOpen == false) { MessageBox.Show("请打开串口！"); return; } SendStr = "@" RTUaddr "WD" Addr SendData; //只读取一个地址的数据，修改最后的数，可一次读取多个数据 SendStr = SendStr FCS(SendStr) "*" '\r'; WriteData = COM2CPM2A(SendStr); } #endregion private string COM2CPM2A(string Value2) { string weibu=""; char[] SendBuffer = new char[50]; char[] ReadBuffer = new char[50]; for (int i = 0; i < 50;i ) { ReadBuffer[i] =' '; } SendBuffer = Value2.ToCharArray(); serialPort1.Write(SendBuffer,0,SendBuffer.Length); Thread.Sleep(10); do { Thread.Sleep(5); } while (serialPort1.BytesToRead < 11); //等待接收所有的数据 Thread.Sleep(20); serialPort1.Read(ReadBuffer, 0, serialPort1.BytesToRead); string instring =new string(ReadBuffer) ; weibu = instring.Substring(5,2); switch(weibu) { case "00": //MsgBox "正常完成", , "提示信息" MessageBox.Show( "正常完成！"); break; case "01": //MsgBox "在RUN模式下不可执行", , "提示信息" MessageBox.Show("在RUN模式下不可执行！"); break; case "02": MessageBox.Show( "在MONITOR模式下不可执行"); break; case "04": MessageBox.Show( "地址越界"); break; case "0B": MessageBox.Show("在PROGRAM模式下不可执行"); break; case "13": MessageBox.Show( "FCS错误"); break; case "14": MessageBox.Show ("格式错误"); break; case "15": MessageBox.Show ("入口号数据错误"); break; case "16": MessageBox.Show ("命令不支持"); break; case "18": MessageBox.Show ("帧长度错误"); break; case "19": MessageBox.Show ("不可执行"); break; case "23": MessageBox.Show ("用户存储区写保护"); break; case "A3": MessageBox.Show("由于数据传送中FCS错误而终止"); break; case "A4": MessageBox.Show("由于数据传送中格式错误而终止"); break; case "A5": MessageBox.Show( "由于数据传送中入口号数据错误而终止"); break; case "A8": MessageBox.Show( "由于数据传送中帧长错误而终止"); break; default: MessageBox.Show( "未知错误"); break; } return instring; } #region 设置PLC运行模式 监视模式 private void radioButton_Enter(object sender, EventArgs e) { string SendStr = ""; string ReadStr = ""; string RunModel = ""; RunModel = "03"; if (serialPort1.IsOpen == false) { MessageBox.Show("请打开串口！"); return; } if(radioButton1.Focused) { RunModel = "03"; } else if (radioButton2.Focused) { RunModel = "02"; } else if (radioButton3.Focused) { RunModel = "00"; } SendStr = "@" comboBox2.Text.Trim() "SC" RunModel; ; SendStr = SendStr FCS(SendStr) "*" "\r"; ReadStr = COM2CPM2A(SendStr); } #endregion private void button1_Click(object sender, EventArgs e) { string SendStr = ""; string ReadStr = ""; if (serialPort1.IsOpen == false) { MessageBox.Show("请打开串口！"); return; } SendStr = "@" comboBox2.Text.Trim() "TS" "LSLLHD"; SendStr = SendStr FCS(SendStr) "*" "\r"; ReadStr = CPM2A(SendStr); if (ReadStr == SendStr) { MessageBox.Show("与PLC通讯正常！"); } else { MessageBox.Show("通讯异常！" ReadStr); } } private string FCS(String Value) { int i, f; byte[] x; f = 0; for (i = 0; i < Value.Length; i ) { x = ASCIIEncoding.ASCII.GetBytes(Value.Substring(i, 1)); f = f ^ (int)x[0]; } return f.ToString("X"); } private string CPM2A(string inStr) //无消息提示发送函数 { char[] SendBuffer; char[] ReadBuffer; int length = 0; SendBuffer = inStr.ToCharArray(); serialPort1.Write(SendBuffer, 0, SendBuffer.Length); do { Thread.Sleep(5); } while (serialPort1.BytesToRead < 11); //等待接收所有的数据 Thread.Sleep(20); length = serialPort1.BytesToRead; ReadBuffer = new char[length]; serialPort1.Read(ReadBuffer, 0, length); string instring = new string(ReadBuffer); return instring; } private void button9_Click(object sender, EventArgs e) { string SendStr = ""; string ReadStr = ""; string RunModel = ""; if (serialPort1.IsOpen == false) { MessageBox.Show("请打开串口！"); return; } SendStr = "@" comboBox2.Text.Trim() "MS"; SendStr = SendStr FCS(SendStr) "*" "\r"; ReadStr = CPM2A(SendStr); RunModel = ReadStr.Substring(7,2); if (RunModel == "00") { radioButton3.Focus(); } else if(RunModel == "02") { radioButton1.Focus(); } else if (RunModel == "03") { radioButton2.Focus(); } } private void button8_Click(object sender, EventArgs e) { string SendStr = ""; string ReadStr = ""; string ReadData = ""; string AddrWord = ""; string AddrBit = ""; int bitx = 0; //字中查询的位的位置 int datax =0 ; //返回的数据 if (serialPort1.IsOpen == false) { MessageBox.Show("请打开串口！"); return; } AddrWord = textBox3.Text.Substring(0,4); AddrBit = textBox3.Text.Substring(4,2); SendStr = "@" comboBox2.Text.Trim() "RR" AddrWord "0001"; SendStr = SendStr FCS(SendStr) "*" "\r"; ReadStr = CPM2A(SendStr); ReadData = ReadStr.Substring(7, 4); bitx = Convert.ToInt16(AddrBit); datax = Convert.ToInt16(ReadData); datax = (datax >> bitx) & 0x01; if (datax == 1) { pictureBox1.Image = PLC_COM.Properties.Resources.high; } else { pictureBox1.Image = PLC_COM.Properties.Resources.low; } } private void button6_Click(object sender, EventArgs e) { string SendStr = ""; string ReadStr = ""; if (serialPort1.IsOpen == false) { MessageBox.Show("请打开串口！"); return; } SendStr = "@" comboBox2.Text.Trim() "KS" "CIO " textBox3.Text.Trim(); SendStr = SendStr FCS(SendStr) "*" "\r"; ReadStr = COM2CPM2A(SendStr); } private void button7_Click(object sender, EventArgs e) { string SendStr = ""; string ReadStr = ""; string ReadData = ""; if (serialPort1.IsOpen == false) { MessageBox.Show("请打开串口！"); return; } SendStr = "@" comboBox2.Text.Trim() "KR" "CIO " textBox3.Text.Trim(); SendStr = SendStr FCS(SendStr) "*" "\r"; ReadStr = COM2CPM2A(SendStr); } |
好例子网口号：伸出你的我的手 — 分享！
相关软件
小贴士
感谢您为本站写下的评论，您的评论对其它用户来说具有重要的参考价值，所以请认真填写。
- 类似“顶”、“沙发”之类没有营养的文字，对勤劳贡献的楼主来说是令人沮丧的反馈信息。
- 相信您也不想看到一排文字/表情墙，所以请不要反馈意义不大的重复字符，也请尽量不要纯表情的回复。
- 提问之前请再仔细看一遍楼主的说明，或许是您遗漏了。
- 请勿到处挖坑绊人、招贴广告。既占空间让人厌烦，又没人会搭理，于人于己都无利。
关于好例子网
本站旨在为广大IT学习爱好者提供一个非营利性互相学习交流分享平台。本站所有资源都可以被免费获取学习研究。本站资源来自网友分享，对搜索内容的合法性不具有预见性、识别性、控制性，仅供学习研究，请务必在下载后24小时内给予删除，不得用于其他任何用途，否则后果自负。基于互联网的特殊性，平台无法对用户传输的作品、信息、内容的权属或合法性、安全性、合规性、真实性、科学性、完整权、有效性等进行实质审查；无论平台是否已进行审查，用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二与二十三条之规定，若资源存在侵权或相关问题请联系本站客服人员，点此联系我们。关于更多版权及免责申明参见 版权及免责申明
网友评论
我要评论