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ECAD Implementor Forum (ECAD IF)


since 2000


The objective of the ECAD Implementor Forum (ECAD IF) is to provide system vendors and users with support when it comes to implementations based on the recommendations made by the VES Workflow Forum project group (relating to the Vehicle Electric Container (VEC VDA 4968) and its predecessor, the harness description list (KBL, VDA 4964)). The ECAD Implementor Forum provides a platform through which system vendors can harmonize implementations and perform joint testing. To do this, test rounds are conducted and implementation guidelines are provided to support the implementation of VEC and KBL by system vendors.

Milestones 2019

Two rounds of testing were conducted in 2019. The first test round involved exchanging component descriptions. Focus was placed on the components used in cable harnesses such as connectors, contacts, seals, dummy plugs and cables. The aim was to identify tool-specific characteristics and dialects and establish rules for a uniform interpretation. The second round of testing dealt with the exchange of system wiring diagrams. A simple system component (illumination) served as a test case. This test case will be gradually expanded in future rounds of testing. A GIT repository was created for the test rounds, which also allows all VEC files to be checked for conformity with the schema and compliance with semantic constraints.

As in previous years, prostep ivip participated in the 2019 Wiring Systems Convention in Landshut with its own track, VEC Day.

Outlook 2020

It is intended that two rounds of testing again be conducted. In 2020, additional vendors will participate in the exchange of system wiring diagrams. The findings from the test round 1/2019 led to the revision of tool interfaces. Therefore testing of the component descriptions should be repeated using the current product versions. The release of VEC 1.2 will include numerous enhancements and schema-compatible changes. The test rounds will therefore also include testing of the new version of the schema.


Jorgos Kyriazis, Volkswagen


Dr. Max Ungerer
E-Mail: max.ungerer(at)
Tel.: +49 6151 9287-361
Fax: +49 6151 9287-326

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