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:

Table 4 – Severity levels

Range of Severity



No active message

1 – 333

Messages of low urgency (Information)

334 – 666

Messages of medium urgency (Warning)

667 – 1000

Messages of high urgency (Error)