Echelon i.LON SmartServer 2.0 User Manual
Page 86
i.LON SmartServer 2.0 Programmer’s Reference
6-8
Property Description
will be generated.
The
the status AL_ALM_CONDITION when an alarm is
generated, unless the
the Alarm Generator is FN_LIMIT. In this case, the status
will be updated to any of four alarm statuses, based on the
offset limit that caused the alarm. For more information on
this, see Hysteresis Levels and Offset Limits.
You can register the input data point with the Alarm
Notifier application to generate alarm notifications and
e-mail messages each time it is updated to an alarm status.
For more information on this, see Alarm Notifier.
Compare
The compare data point for this Alarm Generator. The data
point must be referenced by the
assigned to it in the Data Server, and must use the same
format type as the input data point. The value of this data
point will be compared to the value of the input data point
each time either point is updated.
You can use a compare data point if you want your Alarm
Generator to generate alarms based on a constant value
configured through software, as opposed to a live value
taken from the network.
SNVT_alarm Output
SNVT_alarm2 Output
Optional. These properties define the Alarm Generator’s
alarm data points. Each data point must be referenced by
the
The data point chosen for the SNVT_alarm output data
point must use the format type SNVT_alarm. The data
point chosen for the SNVT_alarm_2 output data point must
use the format type SNVT_alarm_2.
Use a SNVT_alarm data point if your system can handle
this LonMark standard type for alarming. Use a
SNVT_alarm2 data point if your system will require the
additional information you can provide with the
directly access the
data point, you may not need to use alarm data points, as
your Alarm Generators will update the input data point to an
alarm status each time they generate an alarm. You can
read this property from a data point with Read function.
The
updated to the status AL_ALM_CONDITION when an
alarm is generated, unless the
FN_LIMIT. In this case, the status will be updated to any of
four alarm statuses, based on the offset limit that caused the
alarm. For more information on this, see Hysteresis Levels
and Offset Limits.
You can register these alarm data points with the Alarm
Notifier application to generate alarm notifications and