To evaluate the real-time behavior of your model, run the model, log data, tune parameters, and view signals from the Simulink® toolbar. Capture signals from the model and display them with standard Simulink Scope blocks. Run your model in normal, accelerator, or external mode, depending upon the sample rate that you require.
If you require a moderate sample rate, up to 1 kHz, use normal or accelerator mode. In these modes, you run the Simulink model within MATLAB®. Only the I/O module drivers run in the Simulink Desktop Real-Time™ kernel.
If you require a higher sample rate, up to 20 kHz, use external mode. In external mode, you use Simulink Coder™ to generate a real-time application from the model. The real-time application and the I/O module drivers run in the Simulink Desktop Real-Time kernel.
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Configure a Simulink model to run as a real-time application.
Learn about the behavior of Simulink Desktop Real-Time in Simulink external mode.
Trace signals by using SDI in Simulink external mode.
The example model "sldrtex_dashboard" shows a real-time model of a water tank controlled by dashboard controls.