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 | using System.Collections.Generic;using System.Data;using System.Drawing;using System.Diagnostics;using Microsoft.VisualBasic;using System.Linq;using System;using System.Collections;using System.Xml.Linq;using System.Windows.Forms;using System.Runtime.InteropServices;namespace TcpClient{ public partial class Form1 { public Form1() { InitializeComponent(); if (defaultInstance == null) defaultInstance = this; } #region Default Instance private static Form1 defaultInstance; public static Form1 Default { get { if (defaultInstance == null) { defaultInstance = new Form1(); defaultInstance.FormClosed = new FormClosedEventHandler(defaultInstance_FormClosed); } return defaultInstance; } set { defaultInstance = value; } } static void defaultInstance_FormClosed(object sender, FormClosedEventArgs e) { defaultInstance = null; } #endregion int Handle1; KvEntPlc.PlcClient PLC = new KvEntPlc.PlcClient(); bool EntLink; long ScanCount; [DllImport("winmm.dll", ExactSpelling=true, CharSet=CharSet.Ansi, SetLastError=true)] public static extern UInt32 timeGetTime(); public void Form1_Load(System.Object sender, System.EventArgs e) { short i = 0; this.CenterToScreen(); cmbReadMry.Items.Clear(); cmbReadMry.Items.Add("R"); cmbReadMry.Items.Add("MR"); cmbReadMry.Items.Add("LR"); cmbReadMry.Items.Add("DM"); cmbReadMry.Items.Add("EM"); cmbReadMry.Items.Add("FM"); cmbWriteMry.Items.Clear(); cmbWriteMry.Items.Add("R"); cmbWriteMry.Items.Add("MR"); cmbWriteMry.Items.Add("LR"); cmbWriteMry.Items.Add("DM"); cmbWriteMry.Items.Add("EM"); cmbWriteMry.Items.Add("FM"); cmbBitMry.Items.Clear(); cmbBitMry.Items.Add("R"); cmbBitMry.Items.Add("MR"); cmbBitMry.Items.Add("LR"); cmbBitMry.Items.Add("DM"); cmbBitMry.Items.Add("EM"); cmbBitMry.Items.Add("FM"); cmbReadType.Items.Clear(); cmbReadType.Items.Add("INT16"); cmbReadType.Items.Add("UINT16"); cmbReadType.Items.Add("DINT32"); cmbReadType.Items.Add("HEX32"); cmbReadType.Items.Add("REAL32"); cmbReadType.Items.Add("BIN16"); cmbWriteType.Items.Clear(); cmbWriteType.Items.Add("INT16"); cmbWriteType.Items.Add("UINT16"); cmbWriteType.Items.Add("DINT32"); cmbWriteType.Items.Add("HEX32"); cmbWriteType.Items.Add("REAL32"); cmbWriteType.Items.Add("BIN16"); for (i = 0; i <= 15; i ) { cmbBit.Items.Add("Bit" System.Convert.ToString(i)); } cmbReadMry.SelectedIndex = 2; cmbWriteMry.SelectedIndex = 2; cmbBitMry.SelectedIndex = 1; cmbBit.SelectedIndex = 0; cmbReadType.SelectedIndex = 0; cmbWriteType.SelectedIndex = 0; lstRead.Items.Clear(); txtWrite.Text = ""; } public void butLink_Click(System.Object sender, System.EventArgs e) { short re = 0; string restr = ""; re = PLC.EntLink(txtLocalIP.Text.Trim(), System.Convert.ToUInt16(txtLocalPort.Text), txtRemoteIP.Text.Trim(), System.Convert.ToUInt16(txtRemotePort.Text), "DEMO", ref Handle1); txtReLink.Text = re.ToString(); if (re == 0) { EntLink = true; MessageBox.Show("PLC联接成功！"); } else { EntLink = false; MessageBox.Show("PLC联接失败: " restr); } } public void butClose_Click(System.Object sender, System.EventArgs e) { short re = 0; re = PLC.DeLink(Handle1); txtReClose.Text = re.ToString(); EntLink = false; } public void butRead_Click(System.Object sender, System.EventArgs e) { short i = 0; short re = 0; object[] RD = null; RD = new object[Convert.ToInt32(txtReadCnt.Text)]; if (!EntLink) { MessageBox.Show("还未与PLC建立联接！"); return; } KvEntPlc.PlcClient.PlcMemory mry = (KvEntPlc.PlcClient.PlcMemory)cmbReadMry.SelectedIndex 1; KvEntPlc.PlcClient.DataType typ = (KvEntPlc.PlcClient.DataType)cmbReadType.SelectedIndex 1; re = PLC.CmdRead(Handle1, mry, typ, System.Convert.ToUInt16(txtReadAdd.Text), System.Convert.ToUInt16(txtReadCnt.Text), ref RD); txtReRead.Text = re.ToString(); lstRead.Items.Clear(); for (i = 0; i < RD.Length; i ) { if (!ReferenceEquals(RD[i], null)) { lstRead.Items.Add(RD[i]); } else { lstRead.Items.Add("0"); } } } public void butWrite_Click(System.Object sender, System.EventArgs e) { short i = 0; short re = 0; string[] temp = null; object[] WD = null; if (!EntLink) { MessageBox.Show("还未与PLC建立联接！"); return; } WD = new object[Convert.ToInt32(txtWriteCnt.Text)]; temp = txtWrite.Text.Split('\n'); for (i = 0; i < WD.Length; i ) { if (i >= temp.Length) { WD[i] = 0; } else { WD[i] = temp[i].Trim(); } } KvEntPlc.PlcClient.PlcMemory mry = (KvEntPlc.PlcClient.PlcMemory)cmbWriteMry.SelectedIndex 1; KvEntPlc.PlcClient.DataType typ = (KvEntPlc.PlcClient.DataType)cmbWriteType.SelectedIndex 1; re = PLC.CmdWrite(Handle1, mry, typ, System.Convert.ToUInt16(txtWriteAdd.Text), System.Convert.ToUInt16(txtWriteCnt.Text), ref WD); txtReWrite.Text = re.ToString(); } public void butScan_Click(System.Object sender, System.EventArgs e) { if (!EntLink) { MessageBox.Show("还未与PLC建立联接！"); return; } if (butScan.Text == "Cycle R/W") { ScanCount = 0; Timer1.Enabled = true; butScan.Text = "Stop R/W"; } else { Timer1.Enabled = false; butScan.Text = "Cycle R/W"; } } public void Timer1_Tick(System.Object sender, System.EventArgs e) { Timer1.Enabled = false; int tim = System.Convert.ToInt32(timeGetTime()); if (!EntLink) { MessageBox.Show("还未与PLC建立联接！"); return; } // butRead_Click(null, null); butWrite_Click(null, null); // if ((Conversion.Val(txtReRead.Text) < 0) || (Conversion.Val(txtReWrite.Text) < 0)) { butScan.Text = "Cycle R/W"; return; } else { ScanCount ; txtScanCnt.Text = ScanCount.ToString(); txtScanPrd.Text = (System.Convert.ToInt32(timeGetTime()) - tim) "ms"; } Timer1.Enabled = true; } public void butBitTest_Click(System.Object sender, System.EventArgs e) { if (!EntLink) { MessageBox.Show("还未与PLC建立联接！"); return; } bool rd = false; short re = 0; KvEntPlc.PlcClient.PlcMemory mry = (KvEntPlc.PlcClient.PlcMemory)cmbBitMry.SelectedIndex 1; re = PLC.Bit_Test(Handle1, mry, System.Convert.ToUInt16(txtBitAdd.Text), System.Convert.ToUInt16(cmbBit.SelectedIndex), ref rd); txtBitTest.Text = rd.ToString(); txtReBit.Text = re.ToString(); } public void butBitSet_Click(System.Object sender, System.EventArgs e) { if (!EntLink) { MessageBox.Show("还未与PLC建立联接！"); return; } short re = 0; KvEntPlc.PlcClient.PlcMemory mry = (KvEntPlc.PlcClient.PlcMemory)cmbBitMry.SelectedIndex 1; re = PLC.Bit_Set(Handle1, mry, System.Convert.ToUInt16(txtBitAdd.Text), System.Convert.ToUInt16(cmbBit.SelectedIndex)); txtReBit.Text = re.ToString(); } public void butBitRst_Click(System.Object sender, System.EventArgs e) { if (!EntLink) { MessageBox.Show("还未与PLC建立联接！"); return; } short re = 0; KvEntPlc.PlcClient.PlcMemory mry = (KvEntPlc.PlcClient.PlcMemory)cmbBitMry.SelectedIndex 1; re = PLC.Bit_Reset(Handle1, mry, System.Convert.ToUInt16(txtBitAdd.Text), System.Convert.ToUInt16(cmbBit.SelectedIndex)); txtReBit.Text = re.ToString(); } } } |
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