7.7 GeneralMaintenanceType ObjectType Definition

The GeneralMaintenanceType provides Variables that are used for general maintenance applications and is formally defined in Table 21.

Table 21 – GeneralMaintenanceType Definition
Attribute Value
BrowseNameGeneralMaintenanceType
IsAbstractFalse
References Node Class BrowseName DataType TypeDefinition Other
Subtype of the 2:FunctionalGroupType defined in OPC 10000-100, i.e. inheriting the InstanceDeclarations of that Node.
0:HasComponentVariableActiveMaintenanceTime0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableDownTime0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableExternalDisabledTime0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableFailureRate0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableIdleTime0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableMaintenanceLevelMaintenanceLevelEnum0:DataItemTypeO, RO
0:HasComponentVariableMaintenanceTime0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableMeanOperatingTimeBetweenFailures0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableMeanRepairTime0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableMeanTimeToRestauration0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableObsolescence0:Boolean0:TwoStateDiscreteTypeO, RO
0:HasComponentVariableOperatingTime0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableOperatingTimeBetweenFailures0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableOperatingTimeToFailure0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableRepairTime0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableStandbyTime0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableStateOfTheItemStateOfTheItemEnum0:DataItemTypeO, RO
0:HasComponentVariableTimeBetweenFailures0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableTimeToRestoration0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableUpTime0:Double0:BaseAnalogTypeO, RO

The InstanceDeclarations of the GeneralMaintenanceType have additional Attributes defined in Table 22. The Variables and the associated Descriptions are based on the standards ISO 13372 and DIN EN 13306.

Table 22 – GeneralMaintenanceType Attribute values for child Nodes
BrowsePath Value Attribute Description Attribute
ActiveMaintenanceTimePart of the maintenance time when active maintenance is carried out on an item.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

DownTimeMeasured time interval throughout which an item is in a down state

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

ExternalDisabledTimeMeasured time interval throughout which an item is in an external disabled state

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

FailureRateNumber of failures within a population divided by the number of life units used by that population

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 20529

DisplayName: %

Description: percent

IdleTimeMeasured time interval throughout which an item is in an idle state

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

MaintenanceLevelMaintenance task categorization by complexity
MaintenanceTimeTime interval when maintenance is carried out on an item including technical, logistic and internal administrative delays

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

MeanOperatingTimeBetweenFailuresAverage of the operating times between failures

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

MeanRepairTimeAverage of the repair times

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

MeanTimeToRestaurationAverage of the time to restauration

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

ObsolescenceInability of an item to be maintained due to the unavailability on the market of the necessary resources at acceptable technical and/or economic conditions. A "True" status means that the pump is obsolete and a "False" status means that the pump is not obsolete.
OperatingTimeBetweenFailuresOperating time between consecutive failures

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

OperatingTimeMeasured time interval throughout which an item is in operating state

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

OperatingTimeToFailureOperating time accumulated from the first use, or from restoration, until failure

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

RepairTimePart of corrective maintenance time when repair is carried out on an item.

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

StandbyTimeMeasured time interval throughout which an item is in a standby state

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

StateOfTheItemCurrent state of the item
TimeBetweenFailuresDuration between consecutive failures

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

TimeToRestorationTime interval, from the instant of failure, until restoration

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour

UpTimeMeasured time interval throughout which an item is in an up state

NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact

UnitId: 4740434

DisplayName: h

Description: hour