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8.7.16 CAN Trigger (Option)
This oscilloscope can trigger on the start of a frame, end of a frame, frame of the
specified type (e.g. Remote, Overload, Data, etc.), or error frame of the specified type
(e.g. Answer Error, Check Error, Format Error, etc.) of the CAN signal.
The data frame format of the CAN bus is as shown in the figure below.
Figure 8.18 Data Frame Format of the CAN Bus
Trigger Type:
Press Type, and then rotate the multifunction knob to select "CAN". Press down
the knob to select the trigger type. Then, the current trigger setting information is
displayed at the upper-right corner of the screen, as shown in the figure below. You
can also press Type continuously or enable the touch screen to select it.
Source Selection:
Press Source to open the signal source list and select CH1-CH4 or D0-D15. For
details, refer to descriptions in "
Trigger Source
". The current trigger source is
displayed at the upper-right corner of the screen.
NOTE
Only when we select the channel (that has been input with signals) as the trigger source, can
we obtain a stable trigger.
Trigger Condition:
Press
When to select the desired trigger condition.
• SOF: triggers at the start of a frame.
• EOF: triggers at the end of a frame.
• Remote ID: triggers on the specified ID of Remote frame. Set the following
parameters:
- Press Extend ID to enable or disable the extended ID.
To Trigger the Oscilloscope
118
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