EXPRESS source and associated files for the STEP PDM Schema. This is not an official application protocol but rather a resource for PDM systems that encapsulates the PDM aspects of AP-214 and AP-232. More information, as well as possibly more recent versions, can be found at pdm-if.org
- PDM Schema v1.2 in a browsable form,
as well as the EXPRESS source listing.
- PDM Schema Usage Guide v4.3 [PDF]