private static void ReadMultipleVariablesAsDynamic()
{
using (AdsSession session = new AdsSession(new AmsAddress(NetId, Port)))
{
AdsConnection connection = (AdsConnection)session.Connect();
var symbols = session.SymbolServer.Symbols;
ISymbol var1 = symbols["KLEMME 4 (EL3204).RTD INPUTS CHANNEL 1"];
ISymbol var2 = symbols["KLEMME 4 (EL3204).RTD INPUTS CHANNEL 2"];
ISymbol var3 = symbols["KLEMME 4 (EL3204).RTD INPUTS CHANNEL 1.STATUS.OVERRANGE"];
var symbolsToRead = new SymbolCollection()
{
var1, var2, var3
};
SumSymbolRead readCommand = new SumSymbolRead(connection, symbolsToRead);
for (int i = 0; i < 20; i++)
{
dynamic[] values = readCommand.Read();
PrintValue(0, values);
PrintValue(1, values);
Console.WriteLine(values[2]);
Console.WriteLine();
}
}
void PrintValue(int index, dynamic[] values)
=> Console.WriteLine($"Value {index + 1}: {values[index].VALUE}, Status {values[index].STATUS}, Overrange {values[index].STATUS.OVERRANGE}");
}
private static void WriteSymbolTree(ReadOnlySymbolCollection symbolLoaderSymbols, AdsConnection connection)
{
Console.WriteLine("\t");
foreach (var symbolLoaderSymbol in symbolLoaderSymbols)
{
Console.Write(symbolLoaderSymbol.InstancePath);
// var symbolInfo = client.ReadSymbolInfo(symbolLoaderSymbol.InstancePath);
// var symbolInfor = new symbolin
try
{
if (symbolLoaderSymbol is ISymbol info)
{
if (info.Category == DataTypeCategory.Primitive)
{
SymbolCollection coll = new SymbolCollection()
{
symbolLoaderSymbol
};
SumSymbolRead readCommand = new SumSymbolRead(connection, coll);
object[] values = readCommand.Read();
Console.Write(": " + values.FirstOrDefault());
}
else
{
Console.Write(": " + info.Category);
}
}
else
{
Console.Write(": -");
}
}
catch (Exception e)
{
var type = symbolLoaderSymbol.DataType.GetType();
var symbol = connection.ReadSymbol(symbolLoaderSymbol.InstanceName, symbolLoaderSymbol.DataType.GetType(), true);
Console.Write("Exception: " + e);
}
Console.WriteLine(string.Empty);
if (symbolLoaderSymbol.SubSymbols.Any())
{
Console.WriteLine("__________subs to " + symbolLoaderSymbol.InstancePath);
WriteSymbolTree(symbolLoaderSymbol.SubSymbols, connection);
}
}
}
private async Task ReadAll(PlcConnection plcCon)
{
// Stopwatch sw = Stopwatch.StartNew();
_symbolValues.Clear();
// Split up load in packages of 500 Variables at once. More would be faster but stresses the PLC more.
SymbolCollection symbolColl = new SymbolCollection();
int cnt = 0;
foreach (var symbol in plcCon.Symbols)
{
if (cnt >= 500)
{
SumSymbolRead sumSymbolRead = new SumSymbolRead(plcCon.Connection, symbolColl);
await Task.Run(() =>
{
object[] symbolValuesReturn = sumSymbolRead.Read();
_symbolValues.AddRange(symbolValuesReturn);
});
cnt = 0;
symbolColl = new SymbolCollection();
}
symbolColl.Add(symbol);
cnt++;
}
// Final sum symbol read for the rest in symbolColl
if (cnt != 0)
{
SumSymbolRead sumSymbolRead = new SumSymbolRead(plcCon.Connection, symbolColl);
await Task.Run(() =>
{
object[] symbolValuesReturn = sumSymbolRead.Read();
_symbolValues.AddRange(symbolValuesReturn);
});
}
// Debug.WriteLine($"Collecting data from PLC: {sw.Elapsed}");
}