Main Content

jc_0650: Block input/output data type with switching function

Since R2020a

Guideline Publication

Control Algorithm Modeling Guidelines - Using MATLAB®, Simulink®, and Stateflow®

Sub ID Recommendations

  • NA-MAAB — a

  • JMAAB — a

MATLAB Versions



Sub ID a

For blocks with switching functions (Switch, Multiport Switch, and Index Vector), the same data type shall be used for data ports and output ports.

Custom Parameter

Not Applicable

Example — Correct

The data type for the data port and output port is the same.

Example — Incorrect

The data port and output port have different data types.


Sub ID a:

  • Prevents implicit data conversion.


Model Advisor check: Check input and output datatype for Switch blocks (Simulink Check)

Last Changed


Version History

Introduced in R2020a