Industrial automation systems and integration - Product data representation and exchange - Part 1209: Application module: Symbolization by schematic element
ISO/TS 10303-1209:2005 specifies the application module for Symbolization by schematic element.
The following are within the scope of ISO/TS 10303-1209:2005:
the definition of a schematic element;
a symbolization relationship between a schematic element in a library and the thing that it symbolizes.