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36
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
Operating Level
– by pressing the
switch at any
frame (providing the switch is programmed for this function
– see Section 5.1 in the
Programming Manual).
The
switch acknowledges all alarms from either faceplate.
In the
Alarm Acknowledge Page
– by pressing the
switch – see Section 6.2.3 following.
✶
Note. In the
Alarm Acknowledge Page
Channel 2 and
3 alarms can only be acknowledged using faceplate 2.
Channel 3 and 4 alarms (if applicable) can only be
acknowledged using faceplate 3.
6.2.3
Using the Alarm Acknowledge Page
No Alarm Present
No l.e.d. indicators illuminated.
Alarm Present
AL3
l.e.d. indicator flashing,
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
Upper display:
shows the alarm
identity and type.
Lower Display:
shows the trip
level of the alarm identified in
the upper display.
Acknowledge Alarm
Use the
switch to
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.
CH1
CH2
CH3
CH4
AL1
AL2
AL3
AL4
Alarm Activated
302
795
CH1
CH2
CH3
CH4
AL1
AL2
AL3
AL4
CH1
CH2
CH3
CH4
AL1
AL2
AL3
AL4
CH1
CH2
CH3
CH4
AL1
AL2
AL3
AL4
302
802
ACKNLG
ALArM5
A3HPrC
800
A3HPrC
ACKNGd
CH1
CH2
CH3
CH4
AL1
AL2
AL3
AL4
No l.e.d. illuminated indicates
no alarms present and the
Alarm
Acknowledge Page
is
not present in the
OPERATOR
LEVEL
.
A flashing l.e.d. indicates that
an unacknowledged alarm
exists on that channel. For
example, a flashing
AL2
l.e.d.
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.
CH1
CH2
CH3
CH4
AL1
AL2
AL3
AL4
302
795
Record Faceplate
CH1
CH2
CH3
CH4
AL1
AL2
AL3
AL4
302
795
CH1
CH2
CH3
CH4
AL1
AL2
AL3
AL4
302
795
…6 RECORD OPERATION
Fig. 6.2 Alarm L.E.D. Indication
Summary of Contents for COMMANDER 1911
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