System Alarm States (D2000)
System alarm states
System alarms can occur in various states. An overview of all Alarm object states is shown in the following table.
Object state | Cause |
|---|---|
Normal | No condition to start the alarm has occurred. |
Alarm | Condition to raise alarm has occurred. |
Acknowledged | The alarm has been acknowledged by the operator. |
Blocked | The alarm is blocked by the operator or the Blocked alarm parameter has been checked at the alarm configuration in the D2000 CNF process. |
Error | Object state cannot be evaluated. |
Unacknowledged | Condition to finish the acknowledgement-required alarm had been met before its acknowledgement. |
Unblocked | The state occurs only if the D2000 Alarm process is not running and the operator unblocked the given alarm in the Blocked state. |
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