Reimport

"Reimporting" means that all of the tag name dictionary information is imported, regardless of whether the information changed. No special configuration is required for reimporting an InTouch data dictionary. You may only perform a reimport procedure for the same InTouch node. The steps for performing a reimport procedure are basically the same as an initial import, with a few differences. For instructions on importing, see Import or reimport a dictionary.

Note: Back up the Runtime database before you reimport.

If you are reimporting and you do not choose to reimport all topics, only the tags for the topics you select are updated in the AVEVA Historian. All other topics remain unchanged.

You can also just reimport those tags that changed for a particular InTouch node since the last import. This is called "delta reimport," as opposed to the full reimport procedure . A delta reimport is usually faster than a full reimport procedure because only those tags that have changed since the last import are updated in the Historian.

However, the delta reimport procedure does not provide the flexibility of the full reimport procedure. You cannot import a subset of the changed tags, nor can you edit the cyclic storage rate. For these capabilities, perform a full reimport procedure . For example, if you initially imported Topic A but not Topic B, a full reimport procedure is required to add Topic B to the Historian database.

Any existing uniqueness settings and cyclic storage parameters (specified during the original import) will be retained for the delta reimport procedure.

Note: Delta reimport is only supported for InTouch HMI software 7.1 and later.