1 alarm priority levels, 2 comparison functions – Echelon i.LON SmartServer 2.0 User Manual
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i.LON SmartServer 2.0 Programmer’s Reference
6-9
Property Description
e-mail messages each time they are updated to an alarm
status. For more information on this, see Alarm Notifier.
6.3.2.1 Alarm Priority Levels
You can select a priority level for the Alarm Generator by filling in the
property. When doing so, you must reference each priority level with the identifier listed in the
following table. Each time an Alarm Generator generates an alarm, the priority_level field of the
alarm data points chosen for the Alarm Generator will be updates to the priority level chosen here.
Identifier Notes
PR_LEVEL_0
Lowest alarm priority level
PR_LEVEL_1
PR_LEVEL_2
PR_LEVEL_3
Highest alarm priority level
PR_1
Life Safety Fire Alarms
PR_2
Property Safety Fire Alarms
PR_3
Fire Supervisory Alarm
PR_4
Fire Trouble/Fault (Display)
PR_6
Fire Pre-Alarm, HVAC Critical Equipment Alarm
PR_8
HVAC Alarms (BACnet Priority 8)
PR_10
HVAC Critical Equipment RTN, Fire RTN (Display)
PR_16
HVAC RTN (lowest priority)
PR_NUL Value
not
available
6.3.2.2 Comparison Functions
The following tables describes the comparison functions an Alarm Generator can use when comparing
the values of the input and compare data points. You can select a comparison function for the Alarm
Generator by filling in the
comparison function with the identifier strings listed in the following table.
Identifier Description
FN_GT
Greater than. An alarm will be generated if the input value is greater than the
compare value.
FN_LT
Less than. An alarm will be generated if the input value is less than the
compare value.
FN_GE
Greater than or equal. An alarm will be generated if the input value is greater
than or equal to the compare value.
FN_LE
Less than or equal. An alarm will be generated if the input value is less than
or equal to the compare value.
FN_EQ
Equal. An alarm will be generated if the input value is equal to the compare
value.