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...5 CONTROL OPERATION
5.3 Alarm Acknowledge Page
5.3.1 Alarm Indications – Fig. 5.5
The definitions for alarm states (on, off or flashing) are detailed in
Fig. 5.5.
5.3.2 Acknowledging Alarms
Unacknowledged alarms can be acknowledged from the
faceplates on the front of the instrument 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 5.3.3 following.
Note. In the
Alarm Acknowledge Page
alarms can be acknowledged only from faceplate 1.
Channel 2 alarms (if applicable) can be acknowledged
only from faceplate 2.
Control Faceplate
No LED illuminated indicates no alarms
100. 3
activer and the
is not displayed in the
200. 5
AL
RMT
AT
MAN
A flashing LED indicates that an
100. 3
unacknowledged alarm is active.
200. 5
AL
AT
RMT
MAN
A constant LED indicates that all active
100. 3
alarms have been acknowledged.
200. 5
AL
RMT
AT
MAN
Fig. 5.5 Alarm LED Indications
16
key at any frame
). The
key
– by pressing the
key –
Channel 1
Alarm Acknowledge Page
.
Operator Level
5.3.3 Using the Alarm Acknowledge Page
302
795
AL
RMT
AT
MAN
Alarm Activated
302
802
AL
RMT
AT
MAN
ACKNLG
ALArM5
AL
RMT
AT
MAN
A2HPrC
800
AL
RMT
AT
MAN
A2HPrC
ACKNGd
AL
RMT
AT
MAN
No Alarm Active
No LED indicators illuminated.
Alarm Active
LED
indicator
flashing,
AL
indicating an active alarm on
this channel.
Use the
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 the selected channel the
LED continues to flash until all
alarms for this channel have
been acknowledged.
.
to
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