private uint CreateVariableHandle(AdsReadVariable variable)
{
try
{
return(Connection.CreateVariableHandle(variable.Name));
}
catch (AdsErrorException ex) when(ex.ErrorCode == AdsErrorCode.DeviceSymbolNotFound)
{
throw new AdsException($"Could not create handle for '{variable.Name}'.", ex);
}
}
private static void ReadMultipleVariables()
{
using (AdsSession session = new AdsSession(new AmsAddress(NetId, Port)))
{
var term4Channel1 = new AdsReadVariable()
{
Name = "KLEMME 4 (EL3204).RTD INPUTS CHANNEL 1", Size = 4
};
AdsConnection connection = (AdsConnection)session.Connect();
var variables = new AdsReadVariable[]
{
term4Channel1,
new AdsReadVariable()
{
Name = "KLEMME 4 (EL3204).RTD INPUTS CHANNEL 2", Size = 4
},
new AdsReadVariable()
{
Name = "KLEMME 3 (EL1809).CHANNEL 1", Size = 1
},
new AdsReadVariable()
{
Name = "KLEMME 3 (EL1809).CHANNEL 2", Size = 1
},
new AdsReadVariable()
{
Name = "KLEMME 3 (EL1809).CHANNEL 3", Size = 1
},
new AdsReadVariable()
{
Name = "KLEMME 3 (EL1809).CHANNEL 4", Size = 1
},
};
SumVariableRead readCommand = new SumVariableRead(connection, variables);
for (int i = 0; i < 20; i++)
{
readCommand.ReadVariables();
var stopwatch = Stopwatch.StartNew();
var values = readCommand.ReadRaw();
stopwatch.Stop();
var bReader = new BinaryReader(new MemoryStream(values[2]));
Console.WriteLine($"Input 1:{bReader.ReadBoolean()}");
PrintValue(0, term4Channel1.RawData);
PrintValue(1, values[1]);
Console.WriteLine($"Read in {stopwatch.Elapsed.TotalMilliseconds}ms.");
}
}
void PrintValue(int index, byte[] values)
{
var bReader = new BinaryReader(new MemoryStream(values));
ushort status = bReader.ReadUInt16();
ushort value = bReader.ReadUInt16();
Console.WriteLine($"Value {index + 1}: {value}, Status {status}, Toggle {(status & 0x8000) > 0}, Overrrange {(status & 0x2) > 0}");
}
}