AS ISO 13584.20-2004
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Industrial automation systems and integration - Parts library Logical resource: Logical model of expressions
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
30-06-2017
English
03-06-2004
Important note : Users cannot be edited or removed once added to your Multi user PDF.Adopts ISO 13584-20 which provides an EXPRESS schema for expressions, that models the subset of the allowed expressions in the EXPRESS language defined in ISO 10303-11 that corresponds to integer, real, Boolean and string data types. This schema uses the resources defined in the generic expression schema.
| Committee |
IT-006
|
| DocumentType |
Standard
|
| ISBN |
0 7337 5907 6
|
| Pages |
87
|
| PublisherName |
Standards Australia
|
| Status |
Withdrawn
|
| Supersedes |
This part of ISO 13584 specifies:— an EXPRESS schema for generic expressions;— an EXPRESS schema for expressions, that models the subset of the allowed expressions in theEXPRESS language defined in ISO 10303-11 that corresponds to integer, real, Boolean and string data types. This schema uses the resources defined in the generic expression schema.The following are within the scope of this part of ISO 13584:— the exchange of expressions that involve both constants and variables;— the function that checks whether or not a numeric expression should evaluate to an integervalue;— the constraints which ensure that an expression is semantically correct;— the computation of the variables or functions used in an expression;— the function that checks if an expression may be mapped on to the SQL query language.The following are outside the scope of this part of ISO 13584:— the assignment of values to variables within some context;— the triggering mechanism that computes the value of an expression in a given context.
| Standards | Relationship |
| ISO 13584-20:1998 | Identical |
First published as AS ISO 13584.20-2004.
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