Altium NEXUS Documentation

Port Not Linked To Parent Sheet Symbol

Modified by Susan Riege on Feb 28, 2019
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Parent category: Violations Associated with Documents

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Summary

This violation occurs when a port on a child sheet is not matched with a sheet entry on the parent sheet symbol. All sheet entries in the parent sheet symbol must be synchronized (matched) to corresponding ports on the child sheet.

Notification

If compiler errors and warnings are enabled for display on the schematic (enabled on the Schematic - Compiler page of the Preferences dialog), an offending object will display a colored squiggle beneath it. Hovering over the object will display a pop-up hint that summarizes the violation. A notification is also displayed in the Messages panel in the following format:

Port <PortName> not matched to Sheet-Entry at <Location>

where:

  • PortName is the name of the port on the child sheet.
  • Location is the X,Y coordinates for the port's electrical hotspot.

Recommendation for Resolution

This issue can arise for a number of reasons:

  • The corresponding sheet entry for the port does not exist.
  • The corresponding sheet entry for the port exists but with a different name.
  • The corresponding sheet entry for the port exists but with a different I/O Type.

Use the Details region of the Messages panel to cross-probe to the port in question, then Ctrl+double-click on the port to ascend to the parent sheet symbol. Right-click on the sheet symbol and choose Sheet Symbol Actions » Synchronize Sheet Entries and Ports from the menu that appears. This will open the Synchronize Ports To Sheet Entries dialog for that sheet symbol.

Use the dialog to match the port in question to the required sheet entry. If the sheet entry does not exist, you can create it directly from the dialog. If the sheet entry exists but the Name and/or I/O Type differ, you can determine, as part of the match, whether the Name and I/O Type to be used comes from the port or the sheet entry.

Tips

  1. When the sheet entry and port exist but have different Names and/or I/O Types, there will be a corresponding error message stating that the sheet entry is not matched to a port. Synchronizing the sheet entry with the port will clear both errors.
  2. Object hints will only appear provided the Enable Connectivity Insight option is enabled on the System - Design Insight page of the Preferences dialog. Use the controls associated with the Object Hints entry in the Connectivity Insight Options region of the page to determine the launch style for such hints (Mouse Hover and/or Alt+Double Click). 

 

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