Alarm Acknowledge Page; Alarm Indications; Acknowledging Alarms; Using The Alarm Acknowledge - ABB COMMANDER 1911 Operating Manual

...6 RECORD OPERATION

6.2 Alarm Acknowledge Page

6.2.1 Alarm Indications – Fig. 6.2
The definitions for alarm states (on, off or flashing) are detailed
in Fig. 6.2.

6.2.2 Acknowledging Alarms

Unacknowledged alarms can be acknowledged from the
faceplate controls on the front panel in two ways:
In the – by pressing the
Operating Level
frame (providing the switch is programmed for this function
– see Section 5.1 in the
switch acknowledges all alarms from either faceplate.
In the
Alarm Acknowledge Page
switch – see Section 6.2.3 following.
Note. In the
Alarm Acknowledge Page
3 alarms can only be acknowledged using faceplate 2.
Channel 3 and 4 alarms (if applicable) can only be
acknowledged using faceplate 3.
Record Faceplate
302
795
CH1 AL1 AL2 AL3 AL4
CH2
CH3
CH4
302
795
CH1 AL1 AL2 AL3 AL4
CH2
CH3
CH4
302
795
CH1 AL1 AL2 AL3 AL4
CH2
CH3
CH4
Fig. 6.2 Alarm L.E.D. Indication
36
switch at any
The
Programming Manual).
– by pressing the
Channel 2 and
No l.e.d. illuminated indicates
no alarms present and the
is
Alarm Acknowledge Page
not present in the
OPERATOR
.
LEVEL
A flashing l.e.d. indicates that
an unacknowledged alarm
exists on that channel. For
example, a flashing l.e.d.
AL2
indicates an alarm on channel
2.
A constant l.e.d. indicates that
all active alarms have been
a c k n o w l e d g e d o n t h a t
channel.
6.2.3 Using the Alarm Acknowledge Page
302
795
CH1 AL1 AL2 AL3 AL4
CH2
CH3
CH4
Alarm Activated
302
802
CH1 AL1 AL2 AL3 AL4
CH2
CH3
CH4
ACKNLG
ALArM5
CH1 AL1 AL2 AL3 AL4
CH2
CH3
CH4
A3HPrC
800
CH1 AL1 AL2 AL3 AL4
CH2
CH3
CH4
A3HPrC
ACKNGd
CH1 AL1 AL2 AL3 AL4
CH2
CH3
CH4
No Alarm Present
No l.e.d. indicators illuminated.
Alarm Present
l.e.d. indicator flashing,
AL3
indicating alarm exists on
channel 3.
Use switch to return to top
of
Alarm Acknowledge Page
Alarm Acknowledge Page
Use the switch to advance
to next frame
Alarm Identity
shows the alarm
Upper display:
identity and type.
shows the trip
Lower Display:
level of the alarm identified in
the upper display.
Acknowledge Alarm
Use the switch
acknowledge the alarm. When
the alarm is acknowledged,
' ACKNGd ' is displayed and a
constant l.e.d. indicates the
acknowledged alarm.
If there are more active alarms
on channel 3 the l.e.d.
continues to flash until all
alarms for that channel have
been acknowledged.
.
to