The GeneralMaintenanceType provides Variables that are used for general maintenance applications and is formally defined in Table 21.
Table 21 – GeneralMaintenanceType Definition
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Attribute |
Value |
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BrowseName |
GeneralMaintenanceType |
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IsAbstract |
False |
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References |
Node Class |
BrowseName |
DataType |
TypeDefinition |
Other |
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Subtype of the 2:FunctionalGroupType defined in OPC 10000-100, i.e. inheriting the InstanceDeclarations of that Node. |
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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
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BrowsePath |
Value Attribute |
Description Attribute |
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ActiveMaintenanceTime |
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Part of the maintenance time when active maintenance is carried out on an item. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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DownTime |
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Measured time interval throughout which an item is in a down state |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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ExternalDisabledTime |
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Measured time interval throughout which an item is in an external disabled state |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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FailureRate |
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Number of failures within a population divided by the number of life units used by that population |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 20529 DisplayName: % Description: percent |
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IdleTime |
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Measured time interval throughout which an item is in an idle state |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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MaintenanceLevel |
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Maintenance task categorization by complexity |
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MaintenanceTime |
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Time interval when maintenance is carried out on an item including technical, logistic and internal administrative delays |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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MeanOperatingTimeBetweenFailures |
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Average of the operating times between failures |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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MeanRepairTime |
|
Average of the repair times |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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MeanTimeToRestauration |
|
Average of the time to restauration |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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Obsolescence |
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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. |
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OperatingTimeBetweenFailures |
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Operating time between consecutive failures |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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OperatingTime |
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Measured time interval throughout which an item is in operating state |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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OperatingTimeToFailure |
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Operating time accumulated from the first use, or from restoration, until failure |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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RepairTime |
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Part of corrective maintenance time when repair is carried out on an item. |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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StandbyTime |
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Measured time interval throughout which an item is in a standby state |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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StateOfTheItem |
|
Current state of the item |
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TimeBetweenFailures |
|
Duration between consecutive failures |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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TimeToRestoration |
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Time interval, from the instant of failure, until restoration |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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UpTime |
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Measured time interval throughout which an item is in an up state |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 4740434 DisplayName: h Description: hour |
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