13
2 OPERATION…
ALARM ACKNOWLEDGE
PAGE
B 300.8 A1 ACTIVE
L 750.3 A5 UNACK
B 300.8 A1 ACKNLG
L 750.3 A5 CLEAR
General Format
I/P FAIL A3 ACTIVE
Source
Alarm
Status
Analog input tag
General Format
Alarm
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Trip
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Source
Alarm
Status
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I
2.3
Alarm Acknowledge Page
This page is displayed only when alarms are active and the
Acknowledge Type
is
NORMAL
or
LATCH
– see Section 3.3.2.
There are two types of alarms:
Process Alarms
Up to 12 alarms assignable to any
analog input and activated by pre-
defined trip levels – see
Section 3.3.1.
System Alarms
Up to 6 input failure alarms activated by
an input being outside its pre-defined
range.
Alarm Status
The five types of alarm status are detailed in the following table.
Note. Alarm status
CLEAR
is displayed only if the
Alarm Acknowledge Page
is being viewed at the time the alarm
becomes inactive.
Alarm Acknowledgement
To enable the acknowledgement facility, select either normal or latched
acknowledgement type in the
Alarm Acknowledge Configuration Page
– see
Section 3.3.2.
Advance to the required active alarm and press enter. The alarm status
changes to
ACKNLG
or
CLEAR
.
