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prostep ECAD Wiki

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https://ecad-wiki.prostep.org/index.html

Technical documentation and implementation guidelines for electrical CAD specifications, including the Vehicle Electric Container (VEC) based on VDA 4968 and PSI21, and the VDA/PSI Harness Description List (KBL). The wiki provides detailed information on UML models, XML Schema Definitions (XSD), and specific classes such as WireEnd, TopologyNode, and WireGrouping.

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What's inside prostep ECAD Wiki

  1. Overview of VEC Coupling Concepts

    In the VEC specification, a 'coupling' refers to plug-in or detachable connections in a wiring system. This includes connections between wiring harnesses, between harnesses and E/E components, or between E/E components themselves (e.g., fuses in fuse carriers). Coupling is managed across two dimensions: the part master data (defining valid combinations and cavity mapping) and the actual usage (coupling specification in the harness definition).

  3. Overview of KBL Implementation Guidelines

    The VDA / PSI Harness Description List (KBL) defines an information model, data dictionary, and XML schema for wiring harness descriptions. Because the base specification is generic to cover various use cases, the KBL Implementation Guidelines provide specific instructions on how to instantiate the model for various wiring harness and electrical system scenarios. These guidelines are intended to prevent the development of incompatible 'dialects' between different KBL implementations.

  6. Overview of VEC Implementation Guidelines

    The Vehicle Electric Container (VEC), based on VDA recommendation 4968 and prostep ivip recommendation PSI21, provides an information model, data dictionary, XML schema, and RDF ontology. Because the core specification is generic to cover many use cases, the Implementation Guidelines provide the necessary detailed descriptions and correct instantiation patterns for specific wiring harness definitions and electrical system scenarios to ensure unambiguous interpretation and prevent the creation of incompatible 'dialects' between different VEC implementations.

  7. Overview of the VEC Wiring Layer

    The Wiring Layer in the VEC (Vehicle Electric Connection) defines the physical realization of electrological connections from the System Schematic Layer. It is used for both general modeling and the mapping of concrete wiring harnesses. Unlike a final harness definition, the Wiring Layer is typically installation space agnostic and focuses on properties like wire cross-section area and insulation color rather than specific wire lengths or materials.

    There are three primary modeling concepts in this layer:

    1. Description and Instantiation of Parts: Defining physical components such as connectors, wires, and terminals.
    2. Contacting: Defining the relationships between terminals, wire ends, and cavities.
    3. Coupling: Connecting connectors to E/E components, other connectors, or connecting E/E components directly.

  10. Overview of Vehicle Electric Container (VEC) Specification

    The Vehicle Electric Container (VEC), defined by VDA recommendation 4968 / prostep ivip recommendation PSI21, provides a standardized information model, data dictionary, XML schema, and RDF ontology for vehicle electrical systems. It is designed to be generic to cover a wide range of use cases and application scenarios.

  11. Define a TerminalReception in VEC 1.2.2

    v122
    A TerminalReception represents the specific area of a terminal where contact with another terminal occurs (for example, the interface between a connector housing and a control unit). It is typically located within a cavity of a connector housing. This class inherits from ExtendableElement and is owned by the electrical_parts package.