private void writeInt32Val(Tag tag, Libplctag client, Int32 value, bool print)
{
var sb = new StringBuilder();
for (int i = 0; i < tag.ElementCount; i++)
{
client.SetInt32Value(tag, (i * tag.ElementSize), value);
}
if (print)
{
readInt32Val(tag, client);
}
}
static void writeToTag(String tagName, int value)
{
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($"Error setting up tag internal state. Error{ client.DecodeError(client.GetStatus(tag))}\n");
return;
}
client.SetInt32Value(tag, 0 * tag.ElementSize, value);
var result = client.WriteTag(tag, 2000);
if (result != Libplctag.PLCTAG_STATUS_OK)
{
if (retry < 2)
{
Console.WriteLine("ERROR!");
Console.WriteLine("Retrying....");
Thread.Sleep(500);
retry++;
writeToTag(tagName, value);
}
else
{
Console.WriteLine("Retry Failed! Start over!");
retry = 0;
return;
}
}
else
{
retry = 0;
}
if (value == 1 && tagName.Contains("SOL"))
{
writeToTag(tagName, 0);
}
}
static void Main(string[] args)
{
var client = new Libplctag();
var tag = new Tag("10.206.1.39", "1, 0", CpuType.LGX, "TestDINTArray[0]", DataType.Int32, 10);
/* create the tag */
client.AddTag(tag);
/* let the connect succeed we hope */
while (client.GetStatus(tag) == Libplctag.PLCTAG_STATUS_PENDING)
{
Thread.Sleep(100);
}
if (client.GetStatus(tag) != Libplctag.PLCTAG_STATUS_OK)
{
Console.WriteLine($"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();
}
