If I add a TAC Xenta device to an existing TAC Xenta group, do I have to update other Xenta devices as well?
- Xenta programmable controller (e.g. 401, 301, 281)
- Xenta groups
- TAC Vista system plugin
Each programmable Xenta device needs to know the name of all the other Xenta groups, as well as all the Xenta device names in its own group.
Each time a new group member is added, all Xenta devices in that group need to be downloaded. If a new Xenta group is added, all Xenta devices in all groups need to be downloaded.
This provides new network description files to the controllers so they can communicate properly.
All Xenta devices in that group must be updated. LonMaker or NL220 and your Vista databases need to be updated as well.
TAG bindings will also need to be added to the new TAC Xenta device if an LNS database is being used. The TAC Vista System plugin has the feature under the LNS Network menu. "Create Group Bindings"
If this is a large site this will take some time and cause offline devices during this process.
In this case, these bindings can be added manually to the new controller. This will prevent all the other devices having there TAG bindings deleted and the new TAG bindings created.
The following articles show the process for manually adding TAG bindings.