block Step "Generate step signal of type Real"
parameter Real height = 1 "Height of step"
annotation (Dialog(groupImage = "modelica://Modelica/Resources/Images/Blocks/Sources/Step.png"));
extends Interfaces.SignalSource;
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")}),
Documentation(info = "<html>\n<p>\nThe Real output y is a step signal:\n</p>\n\n<p>\n<img src=\"modelica://Modelica/Resources/Images/Blocks/Sources/Step.png\"\n alt=\"Step.png\">\n</p>\n\n</html>"));
end Step;