var block = new AbsoluteValueBlock(); var signal = new ImportFromTextBlock {Text = "2.1, 3.2, -1, -1.3, -100, -2"}; signal.ConnectTo(block); signal.Execute(); Console.WriteLine(block.OutputNodes[0].Object.ToString(1)); //Console Output: //2.1 3.2 1.0 1.3 100.0 2.0