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Video Tutorial on using several PEAK-System Software and Hardware products are available on official YouTube channel of PEAK-System Technik GmbH.

PC CAN Hardware
PC CAN Diagnostics & Education

PCAN-Diag 2 is a handheld diagnostics unit with a wide range of functions to allow investigation of a CAN bus, such as detection of the CAN bit rate, bus load measurement, and termination measurement. As well as receiving CAN messages, it can transmit either individual messages or entire sequences of them. In addition, the internal memory card allows tracing and playback of the CAN traffic.

The integrated two-channel oscilloscope enables visualization of CAN signals. Single CAN IDs and various events can be used as triggers. The CAN frames are decoded from the analog signal, for example, to detect errors in the frame.


The PCAN-Diag FD is a handheld device for diagnosis of the communication on a CAN bus. Possibilities for diagnosis are available on the protocol layer by handling CAN 2.0 and CAN FD messages as well as on the physical layer by using the oscilloscope function and further measuring functions for voltage and resistance.

The oscilloscope function is used for a qualitative assessment of the signal course on the CAN bus. Two independent measuring channels sample both lines CAN-High and CAN- Low with up to 100 MHz. Based on the signal course, the PCAN-Diag FD decodes CAN frames and shows their elements in the scope graphics.


The PCAN-MiniDisplay is used as a human-machine interface for the visualization of CAN data. For the connection to the CAN bus, it has two High-speed CAN connectors. The graphic representation of incoming CAN data is configured before using the unit and then is performed on a TFT display.

The PCAN-MiniDisplay can alternatively be used for data logging. The data traffic is recorded to a memory card and can be replayed or analyzed on a PC later on.

Serial Bus Simulator

The Serial Bus Simulator (SBS) generates data traffic on the CAN, LIN, V24, I2C and SPI bus systems to validate hardware and display the relevant protocol structures.

SBS could be used, for example, in measurement technology for protocol analysis or for educational purposes for demonstrating digital message transfer.