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Operating Procedures
5. Not Triggered – Alarm no longer appears (inactive),
acknowledged, and reset (removed from Active Alarms
list)
State
Alarm is considered "Active" (Triggered) if State Value = 1
(still active in the PLC).
If alarm is "Not Active" (Not Triggered), its State Value = 0
(can be reset using Reset button).
Both Active and Non Active alarms can be acknowledged.
When a Non Active alarm is acknowledged, it can be reset
which will remove it from the list, to show only Active
alarms in the list
Time
This column is the date-time stamp indicating exactly when
the alarm occurred.
Description
This column provides alarm description or for certain
alarms, snapshots of module parameters values.
Check/Uncheck All
This button is used for selecting and deselecting all listed
alarms with a single action.
Ack
Pressing this button acknowledges the alarm and removes
it from the active alarms list.
Reset PLC
This button is used to reset active alarms in the PLC, so
they could be further acknowledged/reset on the HMI.
Save
Pressing this button saves the changes made to the active
alarms list. Any changes that are made without saving will
be lost.
Alarm History
On the active alarms screen, pressing the alarm history
button displays the alarm history screen.
36
The alarm history screen displays the history of alarms
recorded by the primary microprocessor. See the following
figure.
Figure 20. Alarm history
Sorting
The alarm history list can be sorted by any column in
ascending or descending order by tapping the
corresponding column heading. The triangle that appears
next to the heading indicates which column is being sorted
and the direction of sorting.
Sorting is applied to the alarm time column in ascending
order by default, which is indicated when the triangle is
pointing up. Ascending order for the alarm time column
requires that earlier records appear on the list first. For all
other columns, alphabetical sorting applies.
History Alarms CSV Export – Generates history alarms log
as CSV file that can be stored.
Duration
Allows the selection of the time period for which the alarm
history is displayed. Once the selection is made from the
drop-down menu, pressing the REFRESH button updates
the list and then 'From' and 'To' timestamps get updated
accordingly.
Time
This is the time stamp that is displayed when the alarm
state was changed.
Name
This column gives alarm name.
Status
This column displays the alarm state. There are five
possible states for any alarm:
1. Triggered Not Acked – Alarm triggered (active) but not
acknowledged
2. Triggered Acked – Alarm triggered (still active) and has
been acknowledged
3. Not Triggered Not Acked – Alarm no longer appears
(inactive) but not acknowledged
ARTC-SVX010A-EN
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