ISO 10303-214:2010(E)
4.2.73 Class_specification_association
A Class_specification_association is an association of a Specification with a Product_class. This Specification serves as a potential characteristic of all products belonging to the Product_class.
The meaning of this association is specified further by the attribute association_type
.
The data associated with a Class_specification_association are the following:
- associated_product_class;
- associated_specification;
- association_type.
4.2.73.1 associated_product_class
The associated_product_class specifies the Product_class for which the Specification is valid.
See class_specification_association to product_class for the application assertion.
4.2.73.2 associated_specification
The associated_specification specifies the Specification that is associated with the Product_class.
See class_specification_association to specification for the application assertion.
4.2.73.3 association_type
The association_type specifies the kind of availability of a particular Specification in a
Product_class.
Where applicable the following values shall be used:
- 'availability': The Specification is a potential characteristic of any product belonging to a high level Product_class. It is not specified if this is an option or a standard;
EXAMPLE 'front wheel drive' or 'four wheel drive' are available for a product class 'Voyager'.
- 'identification': The Specification is a characteristic that enables to distinguish the associated Product_class from other Product_class objects. This is a kind of 'non replaceable standard'. This value is not applicable for a top level node in a hierarchy of Product_class objects. This identification is part of the identification of all sub classes of this Product_class;
EXAMPLE The car body type 'limousine' is identifying for product class 'S40'.
- 'non replaceable standard': The Specification is a characteristic of all products belonging to the Product_class;
EXAMPLE 'South East Asia climate zone' is a 'non replaceable standard' for a car that is produced for use in that particular geographic area.
- 'option': The Specification is a characteristic of a product if explicitly chosen. The Specification replaces another Specification of the same specification category if the replaced Specification is associated with the Product_class as 'replaceable standard';
EXAMPLE 'sun roof' or 'radio with CD' are common options proposed to the customer.
- 'part usage': The Specification is a characteristic for the usage of the components of an Alternative_solution, the usage of an Item_instance, or for the application of a Process_plan or a Process_operation_occurrence in the products of the associated Product_class;
- 'replaceable standard': The Specification is a default characteristic of the products belonging to the Product_class as long as no other specification of the same Specification_category is chosen.
EXAMPLE 'power brake' is a 'replaceable standard' for product class 'Golf'; it can be replaced by 'ABS' which is another specification of the same specification category 'brake system'.
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