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Reproducible Disturbances of CAN (FD) Networks

Vector VH650121 August 2018 - The VH6501 hardware of Vector allows test engineers and developers to produce a wide variety of digital and analog disturbances precisely and reproducibly in CAN (FD) networks. It is thus ideally suited to automatically test the error handling of ECUs. Such tests are an essential part of indispensable conformity tests in the automotive industry.

 On the one hand, VH6501 serves the test tool CANoe as a normal network interface. On the other hand, the fault functionality is controlled via the programming language CAPL (Communication Access Programming Language) integrated in CANoe. Due to this tight CANoe connection, test setups with residual bus simulation can be realized very easily and without additional hardware.

 The well-documented CAPL API allows users to configure short circuits in the CAN signal lines, interchanging cables, and modifying R/C network parameters for analog interference. In the case of digital disturbances, almost any digital interference sequences and extensive triggering conditions can be defined. Thus, the VH6501 covers much more than just typical use cases, such as checking the controller behavior during a bus-off or measuring the sampling time.

The exact visual representation of the disturbances generated by VH6501 and that of the reactions in the CAN (FD) network can optionally be done with the software CANoe Option. Scope and the necessary hardware. This allows a very accurate analysis of the events and helps VH6501 users to create their own tests.

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