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The status diagram of system alarms shows all the possible states of the Alarm object objects and their changes of them. It is illustrated on in the following figure.
Image Modified
Condition | The condition of finishing an alarm is met. If it is not defined then the condition of starting the alarm has disappeared. |
| Normal* |
Change | The change into the Unacknowledged state occurs if the alarm object is defined as an acknowledgement-required alarm in its configuration. |
| Alarm |
Condition | The condition of starting an alarm is met. |
| Block | The alarm is blocked by the operator. |
| Acknowl. | The alarm is acknowledged by the operator. |