实例介绍
【实例简介】已经验证可以和支持ModbusRTU 的PLC通信
【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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 | using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;using HslCommunication;using HslCommunication.ModBus;using System.Threading;using System.Runtime.InteropServices;namespace ModbusRtuAndPLC{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private ModbusRtu busRtuClient = null; private void btnOpenPort_Click(object sender, EventArgs e) { int baudRate; if (!int.TryParse(txtRtuBaudrate.Text, out baudRate)) { MessageBox.Show("波特率输入错误！"); return; } int dataBits; if (!int.TryParse(txtRtuDataBit.Text, out dataBits)) { MessageBox.Show("数据位输入错误！"); return; } int stopBits; if (!int.TryParse(txtRtuStopBit.Text, out stopBits)) { MessageBox.Show("停止位输入错误！"); return; } byte station; if (!byte.TryParse(txtStastion.Text, out station)) { MessageBox.Show("站号输入不正确！"); return; } busRtuClient?.Close(); busRtuClient = new ModbusRtu(station); busRtuClient.AddressStartWithZero = checkBoxAddressStartWithZero.Checked; comboBox2_SelectedIndexChanged(null, new EventArgs()); busRtuClient.IsStringReverse = checkBoxStringReversal.Checked; try { busRtuClient.SerialPortInni(sp => { sp.PortName = cboRTUProtSelect.Text; sp.BaudRate = baudRate; sp.DataBits = dataBits; sp.StopBits = stopBits == 0 ? System.IO.Ports.StopBits.None : (stopBits == 1 ? System.IO.Ports.StopBits.One : System.IO.Ports.StopBits.Two); sp.Parity = cboRtuParity.SelectedIndex == 0 ? System.IO.Ports.Parity.None : (cboRtuParity.SelectedIndex == 1 ? System.IO.Ports.Parity.Odd : System.IO.Ports.Parity.Even); }); busRtuClient.Open(); btnClosePort.Enabled = true; btnOpenPort.Enabled = false; //panelRTU.Enabled = true; Thread threadInput = new Thread(IOMonitorIput); ////设置为后台线程 threadInput.IsBackground = true; System.Threading.Thread.Sleep(200); threadInput.Start(); Thread threadOutput = new Thread(IOMonitorOutput); ////设置为后台线程 threadOutput.IsBackground = true; System.Threading.Thread.Sleep(200); threadOutput.Start(); } catch (Exception ex) { MessageBox.Show(ex.Message); } } private void btnClosePort_Click(object sender, EventArgs e) { // 断开连接 busRtuClient.Close(); btnClosePort.Enabled = false; btnOpenPort.Enabled = true; //panelRTU.Enabled = false; } private void checkBoxStringReversal_CheckedChanged(object sender, EventArgs e) { } private void comboBox2_SelectedIndexChanged(object sender, EventArgs e) { if (busRtuClient != null) { switch (comboBox2.SelectedIndex) { case 0: busRtuClient.DataFormat = HslCommunication.Core.DataFormat.ABCD; break; case 1: busRtuClient.DataFormat = HslCommunication.Core.DataFormat.BADC; break; case 2: busRtuClient.DataFormat = HslCommunication.Core.DataFormat.CDAB; break; case 3: busRtuClient.DataFormat = HslCommunication.Core.DataFormat.DCBA; break; default: break; } } } private void readResultRender<T>(OperateResult<T> result, string address, TextBox textBox) { if (result.IsSuccess) { textBox.AppendText(DateTime.Now.ToString("[HH:mm:ss] ") $"[{address}] {result.Content}{Environment.NewLine}"); } else { MessageBox.Show(DateTime.Now.ToString("[HH:mm:ss] ") $"[{address}] 读取失败{Environment.NewLine}原因：{result.ToMessageShowString()}"); } } private void btnRtu_read_short_Click(object sender, EventArgs e) { // 读取short变量 readResultRender(busRtuClient.ReadInt16(txtRtuRegisterAddress_Read.Text), txtRtuRegisterAddress_Read.Text, txtRtu_ReadData); } private void btnRtuReadInput_bool_Click(object sender, EventArgs e) { // 读取bool变量 //txtRtuRegisterAddress_Read.Text = "14"; readResultRender(busRtuClient.ReadCoil(txtRtuRegisterAddress_Read.Text), txtRtuRegisterAddress_Read.Text, txtRtu_ReadData); //txtRtuRegisterAddress_Read.Text = "15"; //readResultRender(busRtuClient.ReadCoil(txtRtuRegisterAddress_Read.Text), txtRtuRegisterAddress_Read.Text, txtRtu_ReadData); } List<TextBox> list = new List<TextBox>(); TextBox txtInShow = new TextBox(); //输入输出监控 public void IOMonitorIput() { // 读取输入 list.Add(txtInShow0); list.Add(txtInShow1); list.Add(txtInShow2); list.Add(txtInShow3); list.Add(txtInShow4); list.Add(txtInShow5); list.Add(txtInShow6); list.Add(txtInShow7); list.Add(txtInShow8); list.Add(txtInShow9); list.Add(txtInShow10); list.Add(txtInShow11); list.Add(txtInShow12); list.Add(txtInShow13); list.Add(txtInShow14); list.Add(txtInShow15); while (btnOpenPort.Enabled == false) { HslCommunication.OperateResult<bool[]> read = busRtuClient.ReadDiscrete("0", 16); bool[] readInput = read.Content; for (int i = 0; i < list.Count; i ) { list[i].BackColor = (readInput[i] == true ? Color.Lime : Color.Gray); } // 读取操作 //bool coil100 = busRtuClient.ReadCoil("100").Content; // 读取线圈100的通断 //short short100 = busRtuClient.ReadInt16("100").Content; // 读取寄存器100的short值 //ushort ushort100 = busRtuClient.ReadUInt16("100").Content; // 读取寄存器100的ushort值 //int int100 = busRtuClient.ReadInt32("100").Content; // 读取寄存器100-101的int值 //uint uint100 = busRtuClient.ReadUInt32("100").Content; // 读取寄存器100-101的uint值 //float float100 = busRtuClient.ReadFloat("100").Content; // 读取寄存器100-101的float值 //long long100 = busRtuClient.ReadInt64("100").Content; // 读取寄存器100-103的long值 //ulong ulong100 = busRtuClient.ReadUInt64("100").Content; // 读取寄存器100-103的ulong值 //double double100 = busRtuClient.ReadDouble("100").Content; // 读取寄存器100-103的double值 //string str100 = busRtuClient.ReadString("100", 5).Content;// 读取100到104共10个字符的字符串 // 写入操作 //busRtuClient.Write("100", true);// 写入线圈100为通 //busRtuClient.Write("100", (short)12345);// 写入寄存器100为12345 //busRtuClient.Write("100", (ushort)45678);// 写入寄存器100为45678 //busRtuClient.Write("100", 123456789);// 写入寄存器100-101为123456789 //busRtuClient.Write("100", (uint)123456778);// 写入寄存器100-101为123456778 //busRtuClient.Write("100", 123.456);// 写入寄存器100-101为123.456 //busRtuClient.Write("100", 12312312312414L);//写入寄存器100-103为一个大数据 //busRtuClient.Write("100", 12634534534543656UL);// 写入寄存器100-103为一个大数据 //busRtuClient.Write("100", 123.456d);// 写入寄存器100-103为一个双精度的数据 //busRtuClient.Write("100", "K123456789"); } } List<TextBox> listOutPut = new List<TextBox>(); TextBox txtOutShow = new TextBox(); public void IOMonitorOutput() { listOutPut.Add(txtOutShow0); listOutPut.Add(txtOutShow1); listOutPut.Add(txtOutShow2); listOutPut.Add(txtOutShow3); listOutPut.Add(txtOutShow4); listOutPut.Add(txtOutShow5); listOutPut.Add(txtOutShow6); listOutPut.Add(txtOutShow7); listOutPut.Add(txtOutShow8); listOutPut.Add(txtOutShow9); listOutPut.Add(txtOutShow10); listOutPut.Add(txtOutShow11); listOutPut.Add(txtOutShow12); listOutPut.Add(txtOutShow13); listOutPut.Add(txtOutShow14); listOutPut.Add(txtOutShow15); while (btnOpenPort.Enabled == false) { HslCommunication.OperateResult<bool[]> read = busRtuClient.ReadCoil("0", 16); bool[] readOutPut = read.Content; for (int i = 0; i < listOutPut.Count; i ) { //读取输出 listOutPut[i].BackColor = (readOutPut[i] == true ? Color.Lime : Color.Gray); } } } private void timerIOMoitor_Tick() { } private void Form1_Load(object sender, EventArgs e) { //取消夸线程间的检查 Control.CheckForIllegalCrossThreadCalls = false; //串口默认选COM4 cboRTUProtSelect.SelectedIndex = 3; //校验位默认选ODD cboRtuParity.SelectedIndex = 1; //pictureBoxIN0.Image = Image.FromFile("灰色.png"); } private void timerIOMoitor_Tick(object sender, EventArgs e) { } private void btnRtuInputRead_bool_Click(object sender, EventArgs e) { // 离散输入读取 readResultRender(busRtuClient.ReadDiscrete(txtRtuRegisterAddress_Read.Text), txtRtuRegisterAddress_Read.Text, txtRtu_ReadData); } private void label9_Click(object sender, EventArgs e) { } #region 单数据写入测试 private void btnWriteOutPut_Click(object sender, EventArgs e) { // bool写入 try { //writeResultRender(busRtuClient.WriteCoil(txtRtuRegisterAddress_Write.Text, bool.Parse(txtRtu_WriteData.Text)), txtRtuRegisterAddress_Write.Text); } catch (Exception ex) { MessageBox.Show(ex.Message); } } private void btnShorWrite_Click(object sender, EventArgs e) { } private void btnUshorWrite_Click(object sender, EventArgs e) { } private void btnIntWrite_Click(object sender, EventArgs e) { } private void btnUintWrite_Click(object sender, EventArgs e) { } private void btnLongWrite_Click(object sender, EventArgs e) { } private void btnDoubleWrite_Click(object sender, EventArgs e) { } private void btnFloatWrite_Click(object sender, EventArgs e) { } private void btnStringWrite_Click(object sender, EventArgs e) { } #endregion #region Write Coil /// <summary> /// 写一个线圈信息，指定是否通断 /// </summary> /// <param name="address">起始地址</param> /// <param name="value">写入值</param> /// <returns>返回写入结果</returns> //public OperateResult WriteCoil(string address, bool value) //{ // // 解析指令 // // OperateResult<byte[]> command = BuildWriteOneCoilCommand(address, value); // //if (!command.IsSuccess) return command; // // 核心交互 // //return CheckModbusTcpResponse(command.Content); //} /// <summary> /// 批量写入线圈信息，指定是否通断 /// </summary> /// <param name="address">起始地址</param> /// <param name="values">写入值</param> /// <returns>返回写入结果</returns> //public OperateResult WriteCoil(string address, bool[] values) //{ // 解析指令 //OperateResult<byte[]> command = BuildWriteCoilCommand(address, values); //if (!command.IsSuccess) return command; // 核心交互 //return CheckModbusTcpResponse(command.Content); //} #endregion }} |
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