Intelligent Roadway Information System
View ➔ Maintenance ➔ Alarms menu item
An alarm is a device which has a boolean
state indicating whether or not it is
description of the alarm might indicate an equipment
failure, high temperature, low voltage, etc.
An alarm can be created for controllers using a protocol that generates alarms, such as MnDOT-170.
|Read Only||name, state||trigger_time|
|🔧 Configure||description, controller||pin|
state field is set to
true when triggered. When it changes, a
time-stamped record is added to the
alarm_event table. These records are
purged automatically when older than the value of the