private void readInt32Val(Tag tag, Libplctag client) { var sb = new StringBuilder(); for (int i = 0; i < tag.ElementCount; i++) { sb.Append($"{tag.Name} = {client.GetInt32Value(tag, (i * tag.ElementSize))}\n"); } MessageBox.Show(sb.ToString(), "Information", MessageBoxButtons.OK, MessageBoxIcon.Information); }
static int readFromTag(String tagName) { int val = 0; var tag = new Tag(PLC_IP, "1, 0", CpuType.LGX, tagName, DataType.Int32, 1); var client = new Libplctag(); client.AddTag(tag); while (client.GetStatus(tag) == Libplctag.PLCTAG_STATUS_PENDING) { Thread.Sleep(100); } if (client.GetStatus(tag) != Libplctag.PLCTAG_STATUS_OK) { Console.WriteLine($"Error setting up tag internal state. Error{ client.DecodeError(client.GetStatus(tag))}\n"); return(-1); } var result = client.ReadTag(tag, 2000); // Check the read operation result if (result != Libplctag.PLCTAG_STATUS_OK) { Console.WriteLine($"ERROR: Unable to read the data! Got error code {result}: {client.DecodeError(result)}\n"); return(-1); } // Convert the data val = client.GetInt32Value(tag, 0 * tag.ElementSize); return(val); }
public void readData() { detail = new DetailedReport(); con = new PLCConnection(); setTimeRanges(); try { // creates a tag to read B3:0, 1 item, from LGX ip address 192.168.0.100 // The last entry in this new tag is the element count. It is currently // set to 1 //public Tag(string ipAddress, string path, CpuType cpuType, string name, int elementSize, int elementCount, int debugLevel = 0) //string name is the textual name of the tag in plc //elementSize is the size of the element in bytes //elementCount elements count: 1- single, n-array //public Tag(string ipAddress, string path, CpuType cpuType, string name, int elementSize, int elementCount, int debugLevel = 0) var tag5 = new Tag("10.14.6.100", "1, 0", CpuType.LGX, "REPORT_DINT[0]", 4, 6, 0); var tag6 = new Tag("10.14.6.100", "1, 0", CpuType.LGX, "REPORT_FLOAT[12]", 4, 3, 0); var tag12 = new Tag("10.14.6.100", "1, 0", CpuType.LGX, "REPORT_INT[8]", 2, 2, 0); using (var client = new Libplctag()) { // add the tag client.AddTag(tag5); client.AddTag(tag6); client.AddTag(tag12); //client.AddTag(tag2); // check that the tag has been added, if it returns pending we have to retry while (client.GetStatus(tag5) == Libplctag.PLCTAG_STATUS_PENDING) { Thread.Sleep(100); } // check that the tag has been added, if it returns pending we have to retry while (client.GetStatus(tag6) == Libplctag.PLCTAG_STATUS_PENDING) { Thread.Sleep(100); } // check that the tag has been added, if it returns pending we have to retry while (client.GetStatus(tag12) == Libplctag.PLCTAG_STATUS_PENDING) { Thread.Sleep(100); } // if the status is not ok, we have to handle the error if (client.GetStatus(tag5) != Libplctag.PLCTAG_STATUS_OK) { con.setDownbit(-5); using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"C:\Users\KE_PLCData\Documents\ReportErrorLogging\ErrorLog.txt", true)) { file.WriteLine("Error occured at: " + DateTime.Now + Convert.ToString((client.GetStatus(tag5))) + ("\n" + $"Five Minute Data tag 5 Read Error setting up tag internal state. Error{ client.DecodeError(client.GetStatus(tag5))}\n")); } return; } // if the status is not ok, we have to handle the error if (client.GetStatus(tag6) != Libplctag.PLCTAG_STATUS_OK) { using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"C:\Users\KE_PLCData\Documents\ReportErrorLogging\ErrorLog.txt", true)) { file.WriteLine("Error occured at: " + DateTime.Now + Convert.ToString((client.GetStatus(tag6))) + ("\n" + $"Five Minute Data tag 6 Read Error setting up tag internal state. Error{ client.DecodeError(client.GetStatus(tag6))}\n")); } return; } // if the status is not ok, we have to handle the error if (client.GetStatus(tag12) != Libplctag.PLCTAG_STATUS_OK) { using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"C:\Users\KE_PLCData\Documents\ReportErrorLogging\ErrorLog.txt", true)) { file.WriteLine("Error occured at: " + DateTime.Now + Convert.ToString((client.GetStatus(tag12))) + ("\n" + $"Five Minute Data tag 6 Read Error setting up tag internal state. Error{ client.DecodeError(client.GetStatus(tag12))}\n")); } return; } // Execute the read var result = client.ReadTag(tag5, DataTimeout); // Execute the read var result1 = client.ReadTag(tag6, DataTimeout); // Execute the read var result2 = client.ReadTag(tag12, DataTimeout); // Check the read operation result if (result != Libplctag.PLCTAG_STATUS_OK) { using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"C:\Users\KE_PLCData\Documents\ReportErrorLogging\ErrorLog.txt", true)) { file.WriteLine("Error occured at: " + DateTime.Now + Convert.ToString(($"Five Minute Data Read ERROR: Unable to read the data! Got error code {result}: {client.DecodeError(result)}\n"))); } return; } if (result1 != Libplctag.PLCTAG_STATUS_OK) { using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"C:\Users\KE_PLCData\Documents\ReportErrorLogging\ErrorLog.txt", true)) { file.WriteLine("Error occured at: " + DateTime.Now + Convert.ToString(($"Five Minute Data Read ERROR: Unable to read the data! Got error code {result1}: {client.DecodeError(result1)}\n"))); } return; } if (result2 != Libplctag.PLCTAG_STATUS_OK) { using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"C:\Users\KE_PLCData\Documents\ReportErrorLogging\ErrorLog.txt", true)) { file.WriteLine("Error occured at: " + DateTime.Now + Convert.ToString(($"Five Minute Data Read ERROR: Unable to read the data! Got error code {result2}: {client.DecodeError(result2)}\n"))); } return; } // read the data from the array that was retrieved from the PLC //double integer values var plantfeedtotaltons = client.GetInt32Value(tag5, 0 * tag5.ElementSize); var cleancoaltotaltons = client.GetInt32Value(tag5, 1 * tag5.ElementSize); var stokercoaltotaltons = client.GetInt32Value(tag5, 2 * tag5.ElementSize); var bypasstotaltons = client.GetInt32Value(tag5, 3 * tag5.ElementSize); var refusetotaltons = client.GetInt32Value(tag5, 4 * tag5.ElementSize); var scalpedtotaltons = client.GetInt32Value(tag5, 5 * tag5.ElementSize); //float values //var yield = client.GetFloat32Value(tag6, 0 * tag6.ElementSize); //mag minutes float 12 needs added to the desktop reporting //grand total number like the coal values var magmins = client.GetFloat32Value(tag6, 0 * tag6.ElementSize); var plantfeedrunmins = client.GetFloat32Value(tag6, 1 * tag6.ElementSize); var downminstotal = client.GetFloat32Value(tag6, 2 * tag6.ElementSize); //int 16 values var plantfeedtph = client.GetInt16Value(tag12, 0 * tag12.ElementSize); var cleancoaltph = client.GetInt16Value(tag12, 1 * tag12.ElementSize); //code about this needs to be here and this data from the PLC needs used for updating DetailedReport table //it is at the top for hard code testing detail = new DetailedReport(); detail.createDetailedReport(plantfeedtotaltons, cleancoaltotaltons, plantfeedtph, cleancoaltph, downminstotal, plantfeedrunmins, magmins); try { //Insert data from PLC into FiveMinuteData table every five minute read dh.executeSql("Insert INTO FiveMinuteData(created_at, plantname, plantfeedtons, cleantons, stokertons, bypasstons, refusetons, scalpedtons) VALUES " + "(GETDATE(), 'Kanawha Eagle', '" + plantfeedtotaltons + "', '" + cleancoaltotaltons + "', '" + stokercoaltotaltons + "', '" + bypasstotaltons + "', '" + refusetotaltons + "', '" + scalpedtotaltons + "')"); }catch (SqlException se) { //writing data to a text file to observe errors for troubleshooting using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"C:\Users\KE_PLCData\Documents\ReportErrorLogging\ErrorLog.txt", true)) { file.WriteLine("Error occurred at Five Minute Data insert to database: " + DateTime.Now + " \r\n" + se + "\r\n"); } return; } client.RemoveTag(tag5); client.RemoveTag(tag6); } } catch (Exception ex) { //writing errors to text file for troubleshooting using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"C:\Users\KE_PLCData\Documents\ReportErrorLogging\ErrorLog.txt", true)) { file.WriteLine("Error occurred at Five Minute Data insert to database: " + DateTime.Now + " \r\n" + ex + "\r\n"); } return; } }
static void Main(string[] args) { var client = new Libplctag(); var tag = new Tag("10.206.1.39", "1, 0", CpuType.LGX, "TestDINTArray[0]", DataType.Int32, 10); /* create the tag */ client.AddTag(tag); /* let the connect succeed we hope */ while (client.GetStatus(tag) == Libplctag.PLCTAG_STATUS_PENDING) { Thread.Sleep(100); } if (client.GetStatus(tag) != Libplctag.PLCTAG_STATUS_OK) { Console.WriteLine($"Error setting up tag internal state. Error {client.DecodeError(client.GetStatus(tag))}\n"); return; } /* get the data */ var rc = client.ReadTag(tag, DataTimeout); if (rc != Libplctag.PLCTAG_STATUS_OK) { Console.WriteLine($"ERROR: Unable to read the data! Got error code {rc}: {client.DecodeError(client.GetStatus(tag))}\n"); return; } /* print out the data */ for (int i = 0; i < tag.ElementCount; i++) { Console.WriteLine($"data[{i}]={ client.GetInt32Value(tag, (i * tag.ElementSize))}\n"); } /* now test a write */ for (int i = 0; i < tag.ElementCount; i++) { var val = client.GetInt32Value(tag, (i * tag.ElementSize)); val = val + 1; Console.WriteLine($"Setting element {i} to {val}\n"); client.SetInt32Value(tag, (i * tag.ElementSize), val); } rc = client.WriteTag(tag, DataTimeout); if (rc != Libplctag.PLCTAG_STATUS_OK) { LogError($"ERROR: Unable to read the data! Got error code {rc}: {client.DecodeError(rc)}\n"); return; } /* get the data again*/ rc = client.ReadTag(tag, DataTimeout); if (rc != Libplctag.PLCTAG_STATUS_OK) { LogError($"ERROR: Unable to read the data! Got error code {rc}: {client.DecodeError(rc)}\n"); return; } /* print out the data */ for (int i = 0; i < tag.ElementCount; i++) { Console.WriteLine($"data[{0}]={1}\n", i, client.GetInt32Value(tag, (i * tag.ElementSize))); } client.Dispose(); Console.ReadKey(); }