model test
  Modelica.Blocks.Sources.Sine sine(amplitude = 1)  annotation(
    Placement(transformation(origin = {-100, 0}, extent = {{-10, -10}, {10, 10}})));
  EmbeddedControl.Math.DDifference dDifferentiate(x(start = 0))  annotation(
    Placement(transformation(origin = {20, 0}, extent = {{-10, -10}, {10, 10}})));
  EmbeddedControl.Boundary.DAC dac(stepSize = 0.02)  annotation(
    Placement(transformation(origin = {60, 0}, extent = {{-10, -10}, {10, 10}})));
  EmbeddedControl.Boundary.ADC adc(stepSize = 0.02)  annotation(
    Placement(transformation(origin = {-20, 0}, extent = {{-10, -10}, {10, 10}})));
  Modelica.Blocks.Discrete.Sampler sampler(samplePeriod(displayUnit = "ms") = 0.01)  annotation(
    Placement(transformation(origin = {-60, 0}, extent = {{-10, -10}, {10, 10}})));
  Modelica.Blocks.Discrete.ZeroOrderHold zeroOrderHold(samplePeriod(displayUnit = "ms") = 0.01)  annotation(
    Placement(transformation(origin = {100, 0}, extent = {{-10, -10}, {10, 10}})));
equation
  connect(adc.y, dDifferentiate.u) annotation(
    Line(points = {{-9, 0}, {7, 0}}, color = {255, 127, 0}));
  connect(sine.y, sampler.u) annotation(
    Line(points = {{-89, 0}, {-73, 0}}, color = {0, 0, 127}));
  connect(sampler.y, adc.u) annotation(
    Line(points = {{-49, 0}, {-33, 0}}, color = {0, 0, 127}));
  connect(dDifferentiate.y, dac.u) annotation(
    Line(points = {{31, 0}, {47, 0}}, color = {255, 127, 0}));
  connect(dac.y, zeroOrderHold.u) annotation(
    Line(points = {{71, 0}, {87, 0}}, color = {0, 0, 127}));
  annotation(
    uses(Modelica(version = "4.1.0")));
end test;