Alarm Acknowledge Page; Alarm Indications; Acknowledging Alarms; Acknowledge Page - ABB C1900 Series 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
(providing the key is programmed for this function – see
Section 5.1 in the
Programming Manual).
acknowledges all alarms from either faceplate.
In the
Alarm Acknowledge Page
see Section 6.2.3 following.
Note. In the
Alarm Acknowledge Page
alarms can be acknowledged only from faceplate 2.
Channel 3 and 4 alarms (if applicable) can be
acknowledged only from faceplate 3.
Record Faceplate
No LED illuminated indicates no alarms
302
active and the
is not displayed in the
795
CH1 AL1 AL2 AL3 AL4
CH2
CH3
CH4
A flashing LED indicates that an
302
unacknowledged alarm is active on that
channel. For example, a flashing
795
LED indicates an active alarm on
CH1 AL1 AL2 AL3 AL4
channel 2.
CH2
CH3
CH4
A constant LED indicates that all active
302
alarms have been acknowledged on that
channel.
795
CH1 AL1 AL2 AL3 AL4
CH2
CH3
CH4
Fig. 6.2 Alarm LED Indication
36
key at any frame
The key
– by pressing the key –
Channel 2 and 3
Alarm Acknowledge Page
.
OPERATOR LEVEL
AL2
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 Active
No LED indicators illuminated.
Alarm Active
LED indicator flashing,
AL3
indicating an active alarm on
channel 3.
Use key to return to top of
.
Alarm Acknowledge Page
Alarm Acknowledge Page
Use the key 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 key
acknowledge the alarm. When
the alarm is acknowledged,
ACKNGd
' ' is displayed and a
constant LED indicates the
acknowledged alarm.
If there are more active alarms
on channel 3 the LED continues
to flash until all alarms for that
channel have been
acknowledged.
to