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This chapter's focus is on using the CNS classification. That target systems additionally need to be classified according to eClass in order to identify the part type, remains untouched by this. Within the CNS classification, besides classifying with specific electrical classes (CNSELEK [part level] or CNS_CP|4 [connection points]) also classifying with classes for determining the graphical representation (CNSCAX|GFX) or object properties (CNSERPBASE [see Section 5.13.3.1, “Classification (CNS) ”]) matters.
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In the field of electrical engineering not only the outer shape of a component is decisive: In fact, engineers need further information, especially connection information, when looking for an appropriate part. In order for electrical components to be properly exported in respective ECAD target systems, they have to be classified accordingly.
Some classes refer to the part as a whole, others to specific areas such as electrical connections or mounting points, for example. In the classification process this is mirrored by selecting Filters like Classes or Connection points:
Part classifications such as article number, descriptions and IEC code 81346_2, for example (see Section 5.13.10.2, “Classification according to IEC Code 81346_2”)
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[a] Classes meant for connection level (and not for the whole part) can be recognized by the prefix "CNS_CP". |
Precondition for classifying is an up-to-date CNS classification.
If needed, update the CNS classification via PARTadmin -> Catalog update -> Online.