Status Diagram

Status Diagram

Status diagram of system alarms

The status diagram of system alarms shows all the possible states of the Alarm objects and their changes. It is illustrated in the following figure.

Normal

The condition of finishing an alarm is met. If it is not defined then the condition of starting the alarm has disappeared.

Normal*

The change into the Unacknowledged state occurs if the alarm object is defined as an acknowledgement-required alarm in its configuration.

Alarm

The condition of starting an alarm is met.

Block

The alarm is blocked by the operator.

Acknowl.

The alarm is acknowledged by the operator.