The ProcessItemType is formally defined in Table 50.

Table 50 ProcessItemType Definition

Abstract

Value

BroseName

ProcessItemType

IsAbstract

False

References

Node Class

BrowseName

DataType

TypeDefinition

Modelling Rule

Subtype of BaseObjectType defined in OPC 10000-5

HasComponent

Variable

DisplayFormat

String

BaseDataVariableType

Mandatory

HasComponent

Variable

EffectivePrecision

Double

BaseDataVariableType

Mandatory

HasComponent

Variable

HH

Double

BaseDataVariableType

Mandatory

HasComponent

Variable

H

Double

BaseDataVariableType

Mandatory

HasComponent

Variable

L

Double

BaseDataVariableType

Mandatory

HasComponent

Variable

LL

Double

BaseDataVariableType

Mandatory

HasComponent

Variable

AnalogMeasurement

Double

BaseDataVariableType

Mandatory

HasComponent

Object

UIInfo

UIInformationType

Mandatory

HasProperty

Variable

0:EngineeringUnits

EUInformation

PropertyType

Mandatory

The ProcessItemType ObjectType is a concrete type and can be used directly.

Remark. The AnalogMeasurement value shall be historized and accessed via the OPC UA HistoryReadService as described in OPC 10000-11. The sampling time for the value is the same used by the OEM for machine performance analysis.