# IntegerStep

```block IntegerStep "Generate step signal of type Integer"
parameter Integer height = 1 "Height of step";

extends Interfaces.IntegerSignalSource;
equation
y = offset + (if time < startTime then 0 else height);

annotation (
Icon(
coordinateSystem(
preserveAspectRatio = true,
extent = {
{-100, -100},
{100, 100}}),
graphics = {
Line(
points = {
{-80, 68},
{-80, -80}},
color = {192, 192, 192}),
Polygon(
points = {
{-80, 90},
{-88, 68},
{-72, 68},
{-80, 90}},
lineColor = {192, 192, 192},
fillColor = {192, 192, 192},
fillPattern = FillPattern.Solid),
Line(
points = {
{-90, -70},
{82, -70}},
color = {192, 192, 192}),
Polygon(
points = {
{90, -70},
{68, -62},
{68, -78},
{90, -70}},
lineColor = {192, 192, 192},
fillColor = {192, 192, 192},
fillPattern = FillPattern.Solid),
Line(points = {
{-80, -70},
{0, -70},
{0, 50},
{80, 50}}),
Text(
extent = {
{-150, -150},
{150, -110}},
textString = "startTime=%startTime")}),
Diagram(
coordinateSystem(
preserveAspectRatio = true,
extent = {
{-100, -100},
{100, 100}}),
graphics = {
Polygon(
points = {
{-80, 88},
{-86, 68},
{-74, 68},
{-80, 88}},
lineColor = {95, 95, 95},
fillColor = {95, 95, 95},
fillPattern = FillPattern.Solid),
Line(
points = {
{-80, 68},
{-80, -80}},
color = {95, 95, 95}),
Line(
points = {
{-80, -18},
{0, -18},
{0, 50},
{80, 50}},
color = {0, 0, 255},
thickness = 0.5),
Line(
points = {
{-90, -70},
{82, -70}},
color = {95, 95, 95}),
Polygon(
points = {
{90, -70},
{70, -66},
{70, -74},
{90, -70}},
lineColor = {95, 95, 95},
fillColor = {95, 95, 95},
fillPattern = FillPattern.Solid),
Text(
extent = {
{66, -78},
{92, -88}},
textString = "time"),
Text(
extent = {
{-21, -76},
{26, -88}},
textString = "startTime"),
Line(
points = {
{0, -17},
{0, -71}},
color = {95, 95, 95}),
Text(
extent = {
{-60, -36},
{-12, -48}},
textString = "offset"),
Line(
points = {
{-13, 50},
{-13, -17}},
color = {95, 95, 95}),
Polygon(
points = {
{2, 50},
{-19, 50},
{2, 50}},
lineColor = {95, 95, 95},
fillColor = {95, 95, 95},
fillPattern = FillPattern.Solid),
Polygon(
points = {
{-13, -17},
{-16, -4},
{-10, -4},
{-13, -17},
{-13, -17}},
lineColor = {95, 95, 95},
fillColor = {95, 95, 95},
fillPattern = FillPattern.Solid),
Polygon(
points = {
{-13, 50},
{-16, 37},
{-9, 37},
{-13, 50}},
lineColor = {95, 95, 95},
fillColor = {95, 95, 95},
fillPattern = FillPattern.Solid),
Text(
extent = {
{-58, 22},
{-12, 10}},
textString = "height"),
Polygon(
points = {
{-13, -69},
{-16, -56},
{-10, -56},
{-13, -69},
{-13, -69}},
lineColor = {95, 95, 95},
fillColor = {95, 95, 95},
fillPattern = FillPattern.Solid),
Line(
points = {
{-13, -18},
{-13, -70}},
color = {95, 95, 95}),
Polygon(
points = {
{-13, -18},
{-16, -31},
{-9, -31},
{-13, -18}},
lineColor = {95, 95, 95},
fillColor = {95, 95, 95},
fillPattern = FillPattern.Solid),
Text(
extent = {
{-78, 96},
{-44, 80}},
textString = "y")}),
Documentation(info = "<html>\n<p>\nThe Integer output y is a step signal:\n</p>\n\n<p>\n<img src=\"modelica://Modelica/Resources/Images/Blocks/Sources/IntegerStep.png\"\n     alt=\"IntegerStep.png\">\n</p>\n</html>"));
end IntegerStep;

```