10 OPC UA VariableTypes

10.1 TargetItemType

10.1.3 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.