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Program.cs
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using LibplctagWrapper;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace AllenBradleyPLC
{
class Program
{
private const int dataTimeout = 5000;
static void Main(string[] args)
{
try
{
// Create Tags
var tag1 = new Tag("172.24.2.131", "1, 0", CpuType.LGX, "tagValue1", DataType.DINT, 1);
var tag2 = new Tag("172.24.2.131", "1, 0", CpuType.LGX, "tagValue2", DataType.DINT, 1);
var tag3 = new Tag("172.24.2.131", "1, 0", CpuType.LGX, "tagValue3", DataType.INT, 1);
var tag4 = new Tag("172.24.2.131", "1, 0", CpuType.LGX, "tagValue4", DataType.Int16, 1);
// Read
using (var client = new Libplctag())
{
// Add Tags
client.AddTag(tag1);
client.AddTag(tag2);
client.AddTag(tag3);
client.AddTag(tag4);
// Tags Control
while (client.GetStatus(tag1) == Libplctag.PLCTAG_STATUS_PENDING)
Thread.Sleep(100);
if (client.GetStatus(tag1) != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"Error setting up tag internal state. Error { client.DecodeError(client.GetStatus(tag1))}\n");
return;
}
while (client.GetStatus(tag2) == Libplctag.PLCTAG_STATUS_PENDING)
Thread.Sleep(100);
if (client.GetStatus(tag2) != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"Error setting up tag internal state. Error { client.DecodeError(client.GetStatus(tag2))}\n");
return;
}
while (client.GetStatus(tag3) == Libplctag.PLCTAG_STATUS_PENDING)
Thread.Sleep(100);
if (client.GetStatus(tag3) != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"Error setting up tag internal state. Error { client.DecodeError(client.GetStatus(tag3))}\n");
return;
}
while (client.GetStatus(tag4) == Libplctag.PLCTAG_STATUS_PENDING)
Thread.Sleep(100);
if (client.GetStatus(tag4) != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"Error setting up tag internal state. Error { client.DecodeError(client.GetStatus(tag4))}\n");
return;
}
// Read Tags
var readResult1 = client.ReadTag(tag1, dataTimeout);
var readResult2 = client.ReadTag(tag2, dataTimeout);
var readResult3 = client.ReadTag(tag3, dataTimeout);
var readResult4 = client.ReadTag(tag4, dataTimeout);
// Checking the Read Tag Value
if (readResult1 != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"ERROR: Unable to read the data! Got error code {readResult1}: {client.DecodeError(readResult1)}\n");
return;
}
else if (readResult2 != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"ERROR: Unable to read the data! Got error code {readResult2}: {client.DecodeError(readResult2)}\n");
return;
}
else if (readResult3 != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"ERROR: Unable to read the data! Got error code {readResult3}: {client.DecodeError(readResult3)}\n");
return;
}
else if (readResult4 != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"ERROR: Unable to read the data! Got error code {readResult4}: {client.DecodeError(readResult4)}\n");
return;
}
var tagValue1 = client.GetInt32Value(tag1, 0 * tag1.ElementSize);
var tagValue2 = client.GetInt32Value(tag2, 0 * tag1.ElementSize);
var tagValue3 = client.GetInt16Value(tag3, 0 * tag1.ElementSize);
var tagValue4 = client.GetInt16Value(tag4, 0 * tag1.ElementSize);
Console.WriteLine("TagValue1 : " + tagValue1);
Console.WriteLine("TagValue2 : " + tagValue2);
Console.WriteLine("TagValue3 : " + tagValue3);
Console.WriteLine("TagValue4 : " + tagValue4);
}
// Write
using (var client = new Libplctag())
{
// Add Tags
client.AddTag(tag1);
client.AddTag(tag2);
client.AddTag(tag3);
client.AddTag(tag4);
// Tags Control
while (client.GetStatus(tag1) == Libplctag.PLCTAG_STATUS_PENDING)
Thread.Sleep(100);
if (client.GetStatus(tag1) != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"Error setting up tag internal state. Error { client.DecodeError(client.GetStatus(tag1))}\n");
return;
}
while (client.GetStatus(tag2) == Libplctag.PLCTAG_STATUS_PENDING)
Thread.Sleep(100);
if (client.GetStatus(tag2) != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"Error setting up tag internal state. Error { client.DecodeError(client.GetStatus(tag2))}\n");
return;
}
while (client.GetStatus(tag3) == Libplctag.PLCTAG_STATUS_PENDING)
Thread.Sleep(100);
if (client.GetStatus(tag3) != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"Error setting up tag internal state. Error { client.DecodeError(client.GetStatus(tag3))}\n");
return;
}
while (client.GetStatus(tag4) == Libplctag.PLCTAG_STATUS_PENDING)
Thread.Sleep(100);
if (client.GetStatus(tag4) != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"Error setting up tag internal state. Error { client.DecodeError(client.GetStatus(tag4))}\n");
return;
}
// Write Values
client.SetInt32Value(tag1, 0 * tag1.ElementSize, 500);
client.SetInt32Value(tag2, 0 * tag2.ElementSize, 200);
client.SetInt16Value(tag3, 0 * tag3.ElementSize, 150);
client.SetInt16Value(tag4, 0 * tag4.ElementSize, 1);
var writeResult1 = client.WriteTag(tag1, dataTimeout);
var writeResult2 = client.WriteTag(tag2, dataTimeout);
var writeResult3 = client.WriteTag(tag3, dataTimeout);
var writeResult4 = client.WriteTag(tag4, dataTimeout);
// Checking the Write Tag Value
if (writeResult1 != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"ERROR: Unable to read the data! Got error code {writeResult1}: {client.DecodeError(writeResult1)}\n");
return;
}
else if (writeResult2 != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"ERROR: Unable to read the data! Got error code {writeResult2}: {client.DecodeError(writeResult2)}\n");
return;
}
else if (writeResult3 != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"ERROR: Unable to read the data! Got error code {writeResult3}: {client.DecodeError(writeResult3)}\n");
return;
}
else if (writeResult4 != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"ERROR: Unable to read the data! Got error code {writeResult4}: {client.DecodeError(writeResult4)}\n");
return;
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
Console.ReadKey();
}
}
}
}