9.3 HighestActiveAlarmSeverity
| Description: | Indication of the severity of the highest active alarm. It provides a minimal error handling for devices without alarm support. However, the variable shall be filled even if alarms are supported. The following levels are defined: |
| Range of Severity | Description |
| 0 | No active message |
| 1 – 333 | Messages of low urgency (Information) |
| 334 – 666 | Messages of medium urgency (Warning) |
| 667 – 1000 | Messages of high urgency (Error) |
| Example: | 400 |