Using $Sys$UpdateTagInfo with ABCIP OI Servers
Occasionally, making modifications to the tags in a ControlLogix/CompactLogix PLC will result in the AVEVA ABCIP OI Server having one topic that is not showing the correct information. It may appear to be good data but it is reading the wrong tag data or the tag data may have bad quality.
If you encounter this issue, you may be able to resolve it by downloading a new copy of the tag database from the PLC to the OI Server. Toggling the $Sys$UpdateTagInfo item to “true” forces an update of the entire controller tag database.
This tech note provides two methods than can...