Support PI tag renaming
Tags created by a PI Connector can be renamed, but these renamed points can be "forgotten" if the Connector's point cache is lost. Updating the Tag Mapping configuration file can avoid this cache loss, but I would like to be able to rename Connector tags without updating this configuration file.
We plan to provide users the ability to pick their tag naming convention and not worry about managing a cache file. We are working on implementing this functionality with PI Connector for OPC UA.
Dan Zenk commented
I have a case where I deliberately delete the Connector's point cache file so I can create new Point tags when I reconfigure my DAQ inputs. I would like to have a way to clear this cache other then finding the file on the drive with Windows Explorer and deleting it.
I'd prefer not to have to do this but is the work around for another issue (with the Archive) where if I rename the Descriptor I can no longer query the old Descriptor. If I change the auto generated Point Name, I can continue to query the old Desciptor data. We are using the Historian for R&D so the Hardware configuration and thus the DAQ sensor configuration is constantly changing.
Luis Orjales commented
I am EPM for an EA customer that is requesting this functionality. They plan to migrate OPC DA Servers to OPC UA Servers and would like to keep tag names. It would be great for them to have the option to allow OPC UA Connector to perform naming convention configuration so the OPC UA Connector sends data to tags (in the PI Data Archive) that do not match the name in the OPC UA Server. Renaming all the tags in the PI Data Archive will be very time-consuming not only at PI Data Archive level but also at client level (displays and reports)
James Lewis commented
Being able change or remove the current default tag name prefix (<pi connector type>.<data source name>) through the Web UI would be really useful. We have applied the company standard tag naming convention in the OPC UA server, but then the PI Connector adds a prefix that can't be removed which spoils the tags in PI.
Kevin Meier commented
This is highly important for companies with Tag Naming Convetion and having a miture of User which are using Process Books with Tags and Process Books with AF Attributes
Matt Geerling commented
I think ideally you'd be able to change things like the tag naming prefix from the connector web UI rather than going into config files as well