Rockwell Automation FactoryTalk View Site Edition Users Guide - Manual (Page 310)

F ACTORY T ALK V IEW S ITE E DITION U SER ’ S G UIDE
12–54
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If any of the alarms specified has the state In Alarm and Acknowledged, the expression
result is an integer, from 1 to 1000. If none of the alarms has the state In Alarm and
Acknowledged, the expression result is 0.
Highest severity value of unacknowledged alarms
The following expression returns the highest severity value associated with the specified
alarms, for alarms that are unacknowledged:
AE_HighSeverityUnAcked(“AlarmName”)
where AlarmName is an absolute or relative path to one or more FactoryTalk alarms. For
information about specifying the alarm source, see page 12-55.
If any of the alarms specified has the state In Alarm and Unacknowledged, the expression
result is an integer from 1 to 1000. If none of the alarms is In Alarm and
Unacknowledged, the expression result is 0.
Retrieving information about the number of alarms
FactoryTalk View SE provides alarm functions you can use in expressions, to retrieve the
number of specified alarms that are acknowledged, unacknowledged, or acknowledged
and returned to normal.
Use the alarm count functions, for example, to alert operators when a number of alarms
are waiting to be acknowledged.
Each alarm condition for an alarm is counted. For example, if both the High and High
High alarm conditions are active for a level alarm the In Alarm count will be 2.
Number of acknowledged alarms
The following expression returns the number of specified alarms that have been
acknowledged:
AE_InAlmAckedCount(“AlarmName”)
where AlarmName is an absolute or relative path to one or more FactoryTalk alarms. For
information about specifying the alarm source, see page 12-55.
If any of the alarms has the state In Alarm and Acknowledged, the expression result is an
integer, from 1 to the total number of alarms specified. If none of the alarms is In Alarm
and Acknowledged, the expression result is 0.
Number of unacknowledged alarms
The following expression returns the number of specified alarms that are
unacknowledged:
AE_InAlmUnackedCount(“AlarmName”)