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();
}
