ABB 800xA Operation page 209

Section 8 Operation Examples
CCF Control Loop Faceplate with Alarms
3BUR002418-600 A
Viewing Alarms on MOD Loop Displays
[Pv] indicates that this display applies to the measured
variable while the colored background shows an active
alarm. The Pv field color blinks if the alarm is
unacknowledged.
The Pv bar graph indicates that the alarm is activated by
a high input. Alarm trip point on bar graph is indicated by
matching colored marker.
[Out] indicates that this display applies to the control
output. An output alarm is activated by reaching the
output limit. Flashing background indicates that the
alarm is active and has not been acknowledged.
Acknowledge all alarms for a tag at once
using either the active Alarm Acknowledge
button, or by using Acknowledge in the
context menu.
Indicates an active acknowledged alarm
(current value is outside the trip point). Field
colors stop blinking.
Indicates an unacknowledged alarm that has
returned to normal (current value is inside the
trip point). Acknowledge the alarm by
selecting this button.
Background returns to normal when alarm is inactive
and acknowledged.
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