The properties described in this topic apply both to User Forms and User Pattern Forms. (User Patterns only apply to systems on which ClearSCADA can create new User accounts automatically as part of an External Authentication process. For more information, see Create User Accounts from a User Pattern.)
When a user accesses an Alarm Summary List, the List only includes those alarms that have been logged during a specific time range. This time range can be adjusted on a per-user basis via the User Form (or, if applicable, the User Pattern Form).
To specify the default time range for a user's Alarm Summary List displays:
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Either:
- Display the relevant User Form (to define the settings that apply to an individual User account).
- Display the relevant User Pattern Form (if applicable to your system, to define the settings that ClearSCADA is to apply to new User accounts that it might be triggered to create automatically at logon.)
- Select the General tab.
- Use the Alarm Summary Range fields to define the time range for the Alarm Summary List. When the user that logs on via this account accesses an Alarm Summary, the Alarm Summary will initially include those alarms that were logged within the range defined in the Alarm Summary Range fields.
Enter the required offset in the OPC Relative Time Format. You can enter the value directly in the field, or use the Offset window (accessed via the field's browse button) to specify the required value. For example, enter H-24H to start the range at 24 hours prior to the start of the current hour.