Online Method to Update the NCM Database - Metasys - LIT-12011829 - Field Device - VMA18 VAV Modular Assembly

N2 VMA Application Note

Product name
VMA18 VAV Modular Assembly
Document type
Application Note
Document number
Revision date

This section describes an online method to update the NCM database if you are unable to shut down the NCM through a reload. See References for additional information to guide you through this process.

If you require a method to update the NCM database and you are unable to reset or shutdown the NCM through reload:

  1. Upload the NCM database to the PMI workstation.
  2. Decompile the NCM database using the UNDDL process to rebuild the online database.
  3. Using your NCM UNDDL file, locate all the directly mapped and CSG objects.
  4. Delete all the directly mapped and CSG objects with a hardware reference of the VMA14xx controller being replaced. Delete the VMA14xx device.
  5. Add the VND device using the same names and settings used for the VMA object.
  6. Add all of the directly mapped objects using the same names used for the VMA object. If the names are correctly entered, references from all applications are valid.
  7. Add the CSG object using the new model file.
  8. Update any application references in which the model references do not match.
  9. Verify the updates.
  10. Verify that all points have reliable data. If any points have unreliable data, verify they are unreliable due to a known issue with the hardware.
  11. Upload the NCM database.
  12. Decompile the NCM database using the UNDDL process.
    Note: If any errors occur during the decompile process, correct the errors and re-verify the updates. Only errors related to internal references for deleted CSG points are detected by this step. References from other NCMs or attributes which exist but have been reassigned are not detected.
  13. Copy the NCM database with the UND extension to the DDL extension.
  14. Recompile the database using the DDL process.
  15. Retranslate all of the GPL files associated with the NCM.