Purging Alarms Using a Time Range
Procedure
- Open the Alarms Maintenance screen.
- In the Backup/Purge Alarms section, set the time range. In the Start Time field, select the start date using the drop-down arrow. Or click the element you want to change and enter the details. Select the start time using the up and down arrow keys in the field.
- In the End Time field, select the end date using the drop-down arrow. Or click the element you want to change and enter the details. Select the end time using the up and down arrow keys in the combo box.
- Click Purge Alarms. The following message appears,
Do you want to backup the alarms before purging
. - Click Yes to back up the alarms. For more information refer to the Backing Up Alarms section.
- Click No if you want to purge without backing up the alarms. The alarms are purged and saved in a .DAT file and an audit trail is logged. You can see a log file at the following location on your computer at ..\ Program Files\Proficy\ProficyHistorian\Logfiles. And the audit trail message looks like this:
Deleted Alarms from (mm-dd-yyyyhh:mm:ss to mm-dd-yyyyhh:mm:ss)
.