Perle Systems Perle IOLAN DS1 - Manual (Page 149)

149
Channels
Advanced Analog Alarm Settings
The advanced Analog Alarm Settings window expands the basic alarm settings options to up to five
severity levels.
Configure the following parameters:
Trigger Type If the Trigger Type is Low , an alarm is triggered when the input drops below
the specified Trigger value; other severity level trigger values must decrease in
value with each subsequent level. If the Trigger Type is High , an alarm is
triggered when the input is higher than the specified Trigger value; other
severity level trigger values must increase in value with each subsequent level.
Clear Mode To clear an alarm, the input must drop below the specified value when Trigger
Type is High or go above the specified value when Trigger Type is Low .
Level 1-5 Defines the Level severity settings for up to five levels. If the Trigger Type is
Low , an alarm is triggered when the input drops below the specified Trigger
value; other severity level trigger values must decrease in value with each
subsequent level. If the
Trigger Type is High , an alarm is triggered when the
input is higher than the specified Trigger value; other severity level trigger
values must increase in value with each subsequent level.
Trigger If the Trigger Type is Low , an alarm is triggered when the input drops below
the specified Trigger value; other severity level trigger values must decrease in
value with each subsequent level. If the Trigger Type is High , an alarm is
triggered when the input is higher than the specified Trigger value; other
severity level trigger values must increase in value with each subsequent level.
Clear To clear an alarm, the input must drop below the specified value when Trigger
Type is High or go above the specified value when Trigger Type is Low .
Syslog When enabled, sends a message to syslog when an alarm is triggered or
cleared. The syslog entry includes the severity level and the value that caused
the alarm to trigger or clear. The syslog message is associated with
Level
Critical .
Default: Disabled