In the section below, you configure an alarm storage named DatabaseFileAlarmStorage
.
In the device tree, select the object Alarm Storage
, which was automatically created below Alarm Configuration:
Configure as follows:
Subdirectory: Leave this field blank. Specifying a directory can be specified optionally only on the PLC where the alarm storage file will be saved.
Group Limit: Select the No limit option.
DatabaseFileAlarmStorage
is configured. At application runtime, the alarms are archived internally as an SQLite database in the directory PlcLogic/alarms
on the controller. These database contents can be displayed as historic alarms as a visualization within the alarm table. The requirement is that the History control variable of the alarm table is set (TRUE
).