Chinese Version

CAN Bus Tester (CBT)

Overview

Many faults found in CAN bus systems have physical causes. With the CAN-Bus-Tester it is possible to detect and analyze these faults. In addition, the most important logical analysis functions were also integrated into the Tester as otherwise found only in protocol analysers. The Tester can be used with all bus systems with 11- or 29-bit identifiers according to ISO 11898-2. Particular emphasis was placed on simple operation. An USB-interface makes hot-plug&play possible between PC and Bus-Tester. Automatic baud rate detection and the self-connecting BusScan enable easy monitoring of physical jamming range of the bus level, sorted according to CAN-identifiers received. Generally, devices which transmit messages with low signal-to-noise ratui are highly susceptible to failures. Depending on the test strategy, various trigger events (identifier, physical and/or logical faults and error-frames). In the case of a fault, the pre- and post-history of up to 128 telegrams can be viewed. All faults are defined up to the individual bit position and are displayed with a time stamp. A trigger signal available via the external trigger output can be used for triggering an oscilloscope. A certain (faulty) CAN-message can thus be shown selectively on the oscilloscope.

Temporary faults on the bus or a slowly deteriorating signal quality, which lead to failure of the communication system, can be registered with a very meaningful logger function.

Costly downtimes of machines and plants are avoided, since the Tester collects its data while the plant is running. All data can be protocolled.

	Highlights Analysis of the physical level of all telegrams Physical ananlysis of signal-to-noise ratio and flank quality of selectable telegrams Comprehensive trigger conditions for fault detection Logger function for long-term analysis Automatic baud rate detection Simple connection to CAN-system Simple operation via Windows program

Technical Data

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