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73ET/74ET/75ET USERS MANUAL EM-7353-0003B Rev.5
6
ALARM HISTORY
Analog alarm events and discrete signal status changes are stored in the CF Card. This data can be searched and
displayed on the Alarm History view.
Figure 6a: Alarm history.
The Alarm History view shows the date and time of the events, pen No. and its tag name, and the alarm message
(comment) pre-described for the particular status. When the alarm is reset, the same message is repeated with the
indication ‘RE’ after it.
Sixteen (16) events are listed on the view, and the maximum of 1000 events can be searched and displayed with the
512 MB CF card. The capacity depends upon the CF card capacity.
Blinking message line means that the event is not acknowledged yet. Touch it to acknowledge, and it stops blinking.
In order to acknowledge all events on the screen, use ACK All button.
While Auto Update is enabled, other control buttons are unavailable.
Page Up / Page Down
These buttons are used to scroll the chart in forward (Up) and reverse (Down) time directions.
Wait while the button is pink to process data to display a new page.
1/4 Up / 1/4 Down
These buttons are used to scroll the chart by quarter page in forward (Up) and reverse (Down) time directions.
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