User`s guide

Implementation Overview
8-15
Specifying the Real-Time Build Options
Set the real-time build options using the Solver and Real-Time Workshop
pages of the
Simulation Parameters dialog box. To access this dialog box,
select Parameters from the Simulink
Simulation menu:
For models with continuous blocks, set the Type to Fixed-step,the
Step Size
to the desired integration step size, and select the integration algorithm. For
models that are purely discrete, set the integration algorithm to discrete.
Solver Page
Real-Time Workshop Page