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• OPC-30500-1 – OPC UA for Laboratory & Analytical Device Standard (LADS) - Part 1: Basics
  7.6.1 BaseControlFunctionType ObjectType Definition
  StateMachine and all its remote invocable Methods . Furthermore, it shall organize at least the CurrentValue and TargetValue Properties found in the ParameterSet Object . Additional references to Properties or Methods within
• OPC-30500-1 – OPC UA for Laboratory & Analytical Device Standard (LADS) - Part 1: Basics
  7.6.5 AnalogControlFunctionType ObjectType Definition
  BrowseName DataType TypeDefinition Other Subtype of the BaseControlFunctionType defined in 7.6.1 0:HasComponent Variable CurrentValue 0:Double AnalogUnitRangeType M 0:HasComponent Variable TargetValue 0:Double AnalogUnitRangeType M Conformance Units LADS ... AnalogControlFunctionType CurrentValue is the current process value. TargetValue is the targeted set-point value. Table 96 - AnalogControlFunctionType AdditionalSubcomponents BrowsePath References NodeClass BrowseName DataType TypeDefinition Others ControlFunctionState HasComponent Method StartWithTargetValue
• OPC-30500-1 – OPC UA for Laboratory & Analytical Device Standard (LADS) - Part 1: Basics
  7.6.10 ControllerParameterType ObjectType Definition
  HasComponent Object AlarmMonitor 0:ExclusiveDeviationAlarmType O 0:HasComponent Variable CurrentValue 0:Double 0:AnalogUnitRangeType M, R 0:HasComponent Variable TargetValue 0:Double 0:AnalogUnitRangeType M, RW Conformance Units LADS ControllerParameterType ... deviation from a setpoint exceeds the limit. See: 10000-9: Alarms & Conditions | ExclusiveDeviationAlarmType. CurrentValue is the current process value. TargetValue is the targeted set-point value
• OPC-30500-1 – OPC UA for Laboratory & Analytical Device Standard (LADS) - Part 1: Basics
  7.6.11 DiscreteControlFunctionType ObjectType Definition
  BrowseName DataType TypeDefinition Other Subtype of the BaseControlFunctionType defined in 7.6.1 0:HasComponent Variable CurrentValue BaseDataType DiscreteItemType M 0:HasComponent Variable TargetValue BaseDataType DiscreteItemType M Conformance Units LADS DiscreteControlFunctionType CurrentValue
• OPC-30500-1 – OPC UA for Laboratory & Analytical Device Standard (LADS) - Part 1: Basics
  7.6.14 TimerControlFunctionType ObjectType Definition
  similar variable definitions. The TimerFunctionType is formally defined in Table 117 . Once started, the CurrentValue counts upwards from zero until it reaches the TargetValue . The DifferenceValue is calculated by subtracting ... CurrentValue from the TargetValue . Thus, it counts downwards from the TargetValue to zero. As soon as the CurrentValue reaches the TargetValue , the CurrentState of the TimerFunction automatically transitions