Wiping a controller clean is typically unnecessary if you are upgrading an operational controller to a later software build. Using the Commissioning Wizard should be all that is necessary. However, if you are downgrading a controller to an earlier build, you should install a clean dist file first, to avoid compatibility problems. This applies especially to JACE controllers, as binaries for the (QNX) OS are included in dist files.
Installing a clean dist wipes the entire file system and installs an appropriate version of
All other data is deleted from the file system, including station bog files, Px files, modules, etc. Note that the unit’s TLS private key information is also deleted. In addition, installing a clean dist deletes all configured platform users, restoring the factory-default platform credentials and port (3011).