The ConditionBasedMaintenanceType provides Variables that are used for condition based maintenance and is formally defined in Table 23.
Table 23 – ConditionBasedMaintenanceType Definition
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Attribute |
Value |
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BrowseName |
ConditionBasedMaintenanceType |
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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 |
Availability |
0:Double |
0:BaseAnalogType |
O, RO |
|
0:HasComponent |
Variable |
Durability |
0:Double |
0:BaseAnalogType |
O, RO |
|
0:HasComponent |
Variable |
ExpectedReliability |
0:Double |
0:BaseAnalogType |
O, RO |
|
0:HasComponent |
Variable |
InstantaneousAvailability |
0:Double |
0:BaseAnalogType |
O, RO |
|
0:HasComponent |
Variable |
IntrinsicMaintainability |
0:Double |
0:BaseAnalogType |
O, RO |
|
0:HasComponent |
Variable |
IntrinsicReliability |
0:Double |
0:BaseAnalogType |
O, RO |
|
0:HasComponent |
Variable |
Maintainability |
0:Double |
0:BaseAnalogType |
O, RO |
|
0:HasComponent |
Variable |
OperationalReliability |
0:Double |
0:BaseAnalogType |
O, RO |
|
0:HasComponent |
Variable |
ProductionBasedAvailability |
0:Double |
0:BaseAnalogType |
O, RO |
|
0:HasComponent |
Variable |
Reliability |
0:Double |
0:BaseAnalogType |
O, RO |
|
0:HasComponent |
Variable |
TimeBasedAvailability |
0:Double |
0:BaseAnalogType |
O, RO |
The InstanceDeclarations of the ConditionBasedMaintenanceType have additional Attributes defined in Table 24. The Variables and the associated Descriptions are based on the standards ISO 13372 and DIN EN 13306.
Table 24 – ConditionBasedMaintenanceType Attribute values for child Nodes
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BrowsePath |
Value Attribute |
Description Attribute |
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Availability |
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Probability that a machine will, when used under specified conditions, operate satisfactorily and effectively |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 20529 DisplayName: % Description: percent |
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Durability |
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Actual reliability of an item considering operating modes, operating conditions and possible preventive maintenance actions carried out |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 20529 DisplayName: % Description: percent |
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ExpectedReliability |
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Reliability of an item determined by design and manufacture under expected conditions of operation and maintenance |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 20529 DisplayName: % Description: percent |
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InstantaneousAvailability |
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Probability that an item is in a state to perform as required at a given instant, under given conditions, assuming that the necessary external resources are provided |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 20529 DisplayName: % Description: percent |
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IntrinsicMaintainability |
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Maintainability of an item determined by the design under expected conditions of maintenance and logistic support |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 20529 DisplayName: % Description: percent |
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IntrinsicReliability |
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Reliability of an item determined by design and manufacture under expected conditions of operation assuming that no preventive maintenance task is carried out, excepting routine maintenance |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 20529 DisplayName: % Description: percent |
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Maintainability |
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Ability of a machine or part of a system to be retained in, or restored to, a state in which it can perform the required function(s) |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 20529 DisplayName: % Description: percent |
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OperationalReliability |
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Actual reliability of an item considering operating modes, operating conditions and possible preventive maintenance actions carried out |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 20529 DisplayName: % Description: percent |
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ProductionBasedAvailability |
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Ratio of actual production to required production, or any other reference level, over a specified period of time |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 20529 DisplayName: % Description: percent |
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Reliability |
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Probability that a machine will perform its required functions without failure for a specified time period when used under specified conditions |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 20529 DisplayName: % Description: percent |
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TimeBasedAvailability |
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During a given period of time, percentage of the time during which an item was able to perform when required |
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NamespaceUri: http://www.opcfoundation.org/UA/units/un/cefact UnitId: 20529 DisplayName: % Description: percent |
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