3.1 Terms and definitions

For the purposes of this document, the terms and definitions given in 10000-1, 10000-3, 10000-4, and 10000-5 as well as the following apply.

3.1.1 Acknowledge

Operator action that confirms recognition of an Alarm

3.1.2 Active

alarm state in which the alarm condition is true

3.1.3 AdaptiveAlarm

Alarm for which the setpoint or limits are changed by an algorithm.

3.1.4 AlarmFlood

condition during which the alarm rate is greater than the Operator can effectively manage

3.1.5 AlarmManager

application that manages alarms in a system

3.1.6 AlarmSuppressionGroup

group of Alarms that is used to suppress other Alarms.

3.1.7 ConditionClass

Condition grouping that indicates in which domain or for what purpose a certain Condition is used

3.1.8 ConditionBranch

specific state of a Condition

3.1.9 ConditionSource

element which a specific Condition is based upon or related to

3.1.10 Confirm

Operator action informing the Server that a corrective action has been taken to address the cause of the Alarm

3.1.11 Disable

system is configured such that the Alarm will not be generated even though the base Alarm Condition is present

3.1.12 HighlyManagedAlarm

alarm belonging to a class with additional requirements above general alarms

3.1.13 LatchingAlarm

alarm that remains in alarm state after the process condition has returned to normal and requires an Operator reset before the alarm returns to normal

3.1.14 Operator

person who monitors and makes changes to the process

3.1.15 RateOfChangeAlarm

alarm generated when the change in process variable per unit time (dPV/dt) exceeds a defined setpoint

3.1.16 Refresh

act of providing an update to an Event Subscription that provides all Alarms which are considered to be Retained

3.1.17 Retain

Alarm in a state that is interesting for a Client wishing to synchronize its state of Conditions with the Server’s state

3.1.18 Shelving

facility where the Operator is able to temporarily prevent an Alarm from being displayed to the Operator when it is causing the Operator a nuisance

3.1.19 Suppress

act of determining whether an Alarm should not occur