Step 6 -- Set Simulation Parameters and Run the Model.
Open the Simulation Parameters dialog box (click the Simulation menu in your model and select Simulation parameters...).
Set the Simulation Parameters dialog box settings as indicated in the following diagram.
Run the simulation (go to the Simulation menu in your model and select Start). When you finish observing the running model, stop the simulation (select Stop from the Simulation menu).
Appropriate Simulation Parameters Settings
Step 5 -- Set the Rest of the Blocks' Parameters and Connect the Blocks