5.8.22.3 ExclusiveDeviationAlarmType
The ExclusiveDeviationAlarmType is utilized with multiple mutually exclusive limits. It is formally defined in Table 102.
| Attribute | Value | ||||
| BrowseName | ExclusiveDeviationAlarmType | ||||
| IsAbstract | False | ||||
| References | NodeClass | BrowseName | DataType | TypeDefinition | Modelling Rule |
|---|---|---|---|---|---|
| Inherits the Properties of the ExclusiveLimitAlarmType defined in clause 5.8.19.3. | |||||
| HasProperty | Variable | SetpointNode | NodeId | PropertyType | Mandatory |
| HasProperty | Variable | BaseSetpointNode | NodeId | PropertyType | Optional |
| ConformanceUnits | |||||
|---|---|---|---|---|---|
| A & C Exclusive Deviation |
The SetpointNode Property provides the NodeId of the setpoint used in the Deviation calculation. If this Variable is not in the AddressSpace, a NULL NodeId shall be provided.
The BaseSetpointNode Property provides the NodeId of the original or base setpoint. The value of this node is the value of the setpoint to which an AdaptiveAlarm can be reset if any algorithmic changes need to be discarded. The value of this node usually contains the originally configured setpoint.