Some changes to configuration database can be made on line. These include:
Alarm Limits
Alarm Priority (if non-zero)
Alarm Deadbands
Description
Engineering Units
Output Limits
State Descriptors
Security Area and Level
Signal Reverse
SPAN HI and SPAN LO
Normally, these changes are lost if the SCADA Node is restarted or downloaded. However, if On Line changes to Tag fields is enabled, on-line changes to these fields are saved to the Configuration Database on the Project Node (bwCfg.mdb).
These changes can be made during runtime using the Point Detail Displays. Or the change can be made using the Point Info Dialog box by appending the Tag Field to the tag name.
See also 4.8 Tag Fields