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Reference Data Services

PCA provides services for Reference Data according to the ISO 15926 standard "Industrial automation systems and integration—Integration of life-cycle data for process plants including oil and gas production facilities". Access to the PCA Reference Data Library (RDL) is provided under the terms of the PCA Articles of Association, namely "Reference Data Libraries shall be open, i.e. they can be used by everyone for their own purpose, on equal terms." Service Requests for RDS System Support and/or RDL Content Support are provided for registered users.

PCA RDL (Reference Data Library) Content Access

JORD Endpoint

Human readable endpoint.

Machine readable endpoint (SPARQL 1.1)

File-Downloads of PCA RDL Content

The PCA RDL Content is also available for public access and/or download in different formats:

MS Access Database: contains the full PCA RDL content, including content not visible in the Java thin-client RDS Browser interface.

Spreadsheet Formats: The "initial set" of ISO15926-4 RD 2007 content remains accessible from ISO SC4. (See Updates to these and ISO processes for maintenance of standard reference data as databases are work in progress. Partial report download spreadsheet formats (and upload, see below) from the PCA RDS are also supportable. Please use Operations Support service requests for these.

OWL files: contains the full PCA RDS content in an interim format. For more information on this format and other ISO15926 parts available in OWL formats, see also Note that namespace for RD items has changed in export file from to since April 18. This corresponds to the content in the PCA RDL endpoint.

RDS Operations Support

Registered users of the PCA Reference Data Services are also provided with operational support. These services are explained and accessed from RDS Operations Support Home.The purpose of these services is to ensure high quality and timely handling of requests made to or about the RDS (Reference Data Services) System and RDL (Reference Data Library) Content. Support arrangements are defined according to ITIL® and the ISO 20000 Specification.

Existing Support Users should create support ticket requests directly here. (separate log-in required.) Registered Users who do not also have PCA Membership (or other project membership with specific Service Levels included) will receive a reduced operational support service.

The PCA Operations Support Service operates the process of handling RDL Content Change Requests and clarifications in support of the RDL Maintenance Procedure, but does not operate the full content maintenance process. Where such Change Requests include proposed new RDL Content please submit / attach using the Batch Upload Spreadsheet format. For explanation and a template of the spreadsheet format used to batch import reference data items, refer to the RDS Spreadsheet Batch Upload.

Where users require guidance on how to relate or map their business data using ISO 15926 Reference Data, please see joint PCA / FIATECH JORD Mapping Methodology (via the JORD project pages).


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Reference Data Services