9.1 TargetItemType
9.1.1 Overview
The VariableType defines the general characteristics of a TargetItem. A TargetItem is a OPC UA Variable that represents a target value. It is formally defined in Table 141.
9.1.2 TargetItemType Definition
| Attribute | Value | ||||
| BrowseName | TargetItemType | ||||
| IsAbstract | False | ||||
| ValueRank | -2 | ||||
| DataType | 0:Number | ||||
| References | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| Subtype of the 0:AnalogItemType | |||||
| 0:HasComponent | Variable | MinusTolerance | 0:Number | 0:AnalogUnitType | Optional |
| 0:HasComponent | Variable | PlusTolerance | 0:Number | 0:AnalogUnitType | Optional |
| 0:HasProperty | Variable | AllowedEngineeringUnits | 0:EUInformation[] | 0:PropertyType | Optional |
9.1.3 TargetItemType Description
MinusTolerance contains the lower relative limit of the value in TargetItemType. This may be a percentage or a relative concrete value.
PlusTolerance contains the upper relative limit of the value in TargetItemType. This may be a percentage or a relative concrete value.
AllowedEngineeringUnits contains an array of engineering units that can be handled by the OPC UA server.