/// <summary>
/// 写变量
/// </summary>
/// <param name="tag"></param>
/// <returns></returns>
public bool Write(TagItem tag)
{
uAClient.WriteValues(new List <string>()
{
tag.ValueToWrite?.ToString()
}, new List <string>()
{
tag.GetNodeId()
});
return(true);
}
/// <summary>
/// 写入多个变量
/// </summary>
/// <param name="values">写入的值</param>
/// <param name="nodeid">写入的地址,格式为：块名.变量名</param>
public void PLC_WriteValues(List <string> values, List <string> nodeid)
{
if (m_Connected)
{
int i = 0;
foreach (string str in nodeid)
{
nodeid[i] = _GetFormat(str);
i++;
}
m_Server.WriteValues(values, nodeid);
}
}
/// <summary>
/// Helper function to writing a value to a variable.
/// The function
/// - reads the data type of the variable
/// - converts the passed string to the data type
/// - writes the value to the variable
/// </summary>
private void writeNewValue(NodeId nodeToWrite, string valueToWrite)
{
try
{
List <string> nodesToWrite = new List <string>();
List <string> values = new List <string>();
nodesToWrite.Add(nodeToWrite.ToString());
values.Add(valueToWrite);
m_Server.WriteValues(values, nodesToWrite);
}
catch (Exception ex)
{
MessageBox.Show("Writing new value failed:\n\n" + ex.Message);
}
}
/// <summary>
/// Writes the values.
/// </summary>
private void WriteValues()
{
try
{
// Prepare call to ClientAPI.
List <string> nodesToWrite = new List <string>(this.listView.Items.Count);
List <string> writeValues = new List <string>(this.listView.Items.Count);
int i = 0;
foreach (ListViewItem item in this.listView.Items)
{
// Values to write.
String sValue = (String)item.SubItems[0].Text;
// Leave current value if write value is empty.
if (sValue.Length == 0)
{
i++;
continue;
}
writeValues.Add(sValue);
// NodeIds.
nodesToWrite.Add(item.SubItems[1].Text);
i++;
}
// Call to ClientAPI.
m_Server.WriteValues(writeValues, nodesToWrite);
// Update status label.
toolStripLabel1.Text = "Writing values succeeded.";
}
catch (Exception e)
{
// Update status label.
toolStripLabel1.Text = "An exception occured while writing values: "
+ e.Message;
}
}
private void WriteValue(string nodeId, string value)
{
if (value == "")
{
MessageBox.Show("Please enter valid value!");
return;
}
List <String> values = new List <string>();
List <String> nodeIdStrings = new List <string>();
values.Add(value);
nodeIdStrings.Add(nodeId);
try
{
myClientHelperAPI.WriteValues(values, nodeIdStrings);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
}
}
private void BGW_OPCUA_DoWork(object sender_DW, DoWorkEventArgs e_DW)
{
try
{
int count = Decimal.ToInt32(Config.Sets.Primary_SQL_NumberOfRec);
myStructList = new List <string[]>();
List <String> values = new List <string>();
List <String> nodeIdStrings = new List <string>();
if (BGW_OPCUA.CancellationPending)
{
e_DW.Cancel = true;
return;
}
if (startRead && !e_DW.Cancel)
{
try
{
myStructList = myClientHelperAPI.ReadStructUdt("ns=3;s=\"" + Config.Sets.Primary_S7_DBName + "\".\"" + textBoxS7RecArrayName.Text + "\"");
}
catch (Exception ex)
{
if (BGW_OPCUA.IsBusy)
{
BGW_OPCUA.CancelAsync();
}
MessageBox.Show(ex.Message, "Error");
}
if (count > myStructList.Count / 5)
{
count = myStructList.Count / 5;
numericS7RecordsCount.Invoke(new Action(() => numericS7RecordsCount.Maximum = count));
}
string[] row = new string[3 * count];
for (int j = 0; j < count; j++)
{
row[3 * j] = myStructList[j * 5 + 3].ElementAt(1);
row[3 * j + 1] = myStructList[j * 5 + 4].ElementAt(1);
row[3 * j + 2] = myStructList[j * 5 + 2].ElementAt(1);
}
InsertRow(count, row);
// Обнуление счётчика
values.Clear();
values.Add("0");
nodeIdStrings.Clear();
nodeIdStrings.Add("ns=3;s=\"" + Config.Sets.Primary_S7_DBName + "\".\"" + textBoxS7RecResetCountName.Text + "\"");
try
{
myClientHelperAPI.WriteValues(values, nodeIdStrings);
MessageBox.Show("Test completed successfully!", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (Exception ex)
{
if (BGW_OPCUA.IsBusy)
{
BGW_OPCUA.CancelAsync();
}
MessageBox.Show(ex.Message, "Error");
}
}
}
catch (Exception ex)
{
if (BGW_OPCUA.IsBusy)
{
BGW_OPCUA.CancelAsync();
}
MessageBox.Show(ex.Message, "Error");
}
}