Unconnected block output ports

Diagnostic action to take when block has unconnected output

Model Configuration Pane: Diagnostics / Connectivity

Description

The Unconnected block output ports configuration parameter determines the diagnostic action to take when the model contains a block with an unconnected output.

Settings

none (default) | warning | error

none: The software takes no action.
warning: The software displays a warning.
error: The software terminates the simulation and displays an error message.

Recommended Settings

Application	Setting
Debugging	No impact
Traceability	No impact
Efficiency	No impact
Safety precaution	`error`

Programmatic Use

Parameter: UnconnectedOutputMsg

Value: 'none' | 'warning' | 'error'

Default: 'none'

Version History

Introduced before R2006a

expand all

R2022a: The software takes no action by default

The default behavior of new models is for the software to take no action when a block has an unconnected output. For models created in previous releases, the default behavior was for the software to display a warning.