db_0081: Unconnected signals and blocks
Since R2020a
Guideline Publication
Control Algorithm Modeling Guidelines - Using MATLAB®, Simulink®, and Stateflow®
Sub ID Recommendations
NA-MAAB — a, b
JMAAB — a, b
MATLAB Versions
All
Rule
Sub ID a
The model shall not have signal lines that are not connected.
Custom Parameter
Not Applicable
Example — Correct
Example — Incorrect
Sub ID b
The model shall not have subsystems or basic blocks that are not connected.
Custom Parameter
Not Applicable
Example — Correct
Example — Incorrect
Rationale
Sub IDs a, b:
Unconnected lines can have adverse effects, such as simulation errors or failure to generate code.
Verification
Model Advisor check: Check for unconnected signal lines and blocks (Simulink Check)
Last Changed
R2020a
See Also
Version History
Introduced in R2020a