Yokogawa Removable Chassis DX1000N - Manual (Page 31)

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IM 04L41B01-01E
Alarm Summary
Displays a list of the most recent alarms.
• Up to 1000 alarms can be displayed.
• You can select arbitrary alarm information and recall the historical trend of the display
data or event data that contains the alarm information.
For the setting procedure, see section 4.6.
To the historical trend display
The alarm information number displayed on the screen's bottom line
and the internal memory alarm information number.
Cursor (selects an alarm)
: Alarm occurrence
( blinks until the AlarmACK operation is
carried out if Indicator is set to Hold.)
Channel
Alarm level number (1, 2, 3, or 4) and type
(H, L, h, l, R, r, T, or t)
Date and time of alarm occurrence/release
: Alarm release
: Alarm output release (when blinking is cleared through the
AlarmACK operation)
When you use the alarm annunciator function (release number 3 or later), the alarm
occurrence mark follows the annunciator sequence. If the alarm sequence is no lock-in
(ISA-A-4):
• The alarm occurrence mark does not blink.
• “ACK” is recorded when the alarm is released.
1.3 Display