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The evaluation software displays the bus levels of CAN-high and CAN-low as well as their difference voltage graphically in an oscilloscope window on a time axis (see picture below). Via an additionally generated graph the stuff bits in the signal process are displayed.
The Oscilloscope Window offers many functions, including those in the following areas
- Configuration of the display detail
- Comfortable measurement cursor
- Configuration of the signal channels
The levels sampled are interpreted by the evaluation software and listed in a trace window as CAN messages, message fragments, and error frames. By selecting entries in this trace window, the associated oscillogram detail is displayed in the oscilloscope window. Another feature of the trace window is the ability to drop down the bit fields of the corresponding message with time stamps (identifier, RTR, DLC, etc.). Selecting a bit field means that it will be marked on the oscillogram.
The direct analysis of the oscillogram is also supported. If the measurement cursor is placed on a bit to be interpreted, the corresponding message and the bit field will be displayed textually.