IRIS
Intelligent Roadway Information System
Alarms
Select View ➔ Maintenance ➔ Alarms menu item
An alarm is a device which has a boolean state indicating whether or not it is
triggered. The 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.
API Resources 🕵️
iris/api/alarm(primary)iris/api/alarm/{name}
| Access | Primary | Secondary |
|---|---|---|
| 👁️ View | name, state | trigger_time |
| 💡 Manage | description | |
| 🔧 Configure | controller | pin |
Events
The state field is set to true when triggered. When it changes, a
time-stamped event record can be stored in the alarm_event table.