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7.7 GeneralMaintenanceType ObjectType Definition ToC Previous Next

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

Table 21 – GeneralMaintenanceType Definition

Attribute Value        
BrowseName GeneralMaintenanceType        
IsAbstract False        
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:HasComponent Variable ActiveMaintenanceTime 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable DownTime 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable ExternalDisabledTime 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable FailureRate 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable IdleTime 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MaintenanceLevel MaintenanceLevelEnum 0:DataItemType O, RO
0:HasComponent Variable MaintenanceTime 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MeanOperatingTimeBetweenFailures 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MeanRepairTime 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable MeanTimeToRestauration 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable Obsolescence 0:Boolean 0:TwoStateDiscreteType O, RO
0:HasComponent Variable OperatingTime 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable OperatingTimeBetweenFailures 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable OperatingTimeToFailure 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable RepairTime 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable StandbyTime 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable StateOfTheItem StateOfTheItemEnum 0:DataItemType O, RO
0:HasComponent Variable TimeBetweenFailures 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable TimeToRestoration 0:Double 0:BaseAnalogType O, RO
0:HasComponent Variable UpTime 0:Double 0:BaseAnalogType O, 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
ActiveMaintenanceTime   Part of the maintenance time when active maintenance is carried out on an item.
   ActiveMaintenanceTime
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
DownTime   Measured time interval throughout which an item is in a down state
   DownTime
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
ExternalDisabledTime   Measured time interval throughout which an item is in an external disabled state
   ExternalDisabledTime
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
FailureRate   Number of failures within a population divided by the number of life units used by that population
   FailureRate
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 20529
DisplayName: %
Description: percent
 
IdleTime   Measured time interval throughout which an item is in an idle state
   IdleTime
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
MaintenanceLevel   Maintenance task categorization by complexity
MaintenanceTime   Time interval when maintenance is carried out on an item including technical, logistic and internal administrative delays
   MaintenanceTime
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
MeanOperatingTimeBetweenFailures   Average of the operating times between failures
   MeanOperatingTimeBetweenFailures
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
MeanRepairTime   Average of the repair times
   MeanRepairTime
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
MeanTimeToRestauration   Average of the time to restauration
   MeanTimeToRestauration
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
Obsolescence   Inability 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.
OperatingTimeBetweenFailures   Operating time between consecutive failures
   OperatingTimeBetweenFailures
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
OperatingTime   Measured time interval throughout which an item is in operating state
   OperatingTime
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
OperatingTimeToFailure   Operating time accumulated from the first use, or from restoration, until failure
   OperatingTimeToFailure
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
RepairTime   Part of corrective maintenance time when repair is carried out on an item.
   RepairTime
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
StandbyTime   Measured time interval throughout which an item is in a standby state
   StandbyTime
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
StateOfTheItem   Current state of the item
TimeBetweenFailures   Duration between consecutive failures
   TimeBetweenFailures
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
TimeToRestoration   Time interval, from the instant of failure, until restoration
   TimeToRestoration
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 
UpTime   Measured time interval throughout which an item is in an up state
   UpTime
   0:EngineeringUnits
NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact
UnitId: 4740434
DisplayName: h
Description: hour
 

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