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Chapter 5 To Trigger the Oscilloscope RIGOL
DS8000-R User Guide 5-39
CAN Trigger (Option)
DS8000-R 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 5-17 Data Frame Format of the CAN Bus
Trigger Type:
Click Type to select "CAN". Then, the current trigger setting information is displayed
at the upper-right corner of the screen, as shown in the figure below.
Source Selection:
Click Source to open the signal source list and select CH1-CH4. 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:
Click When to select the desired trigger condition.
âš« SOF: triggers at the start of a frame.
âš« EOF: triggers at the end of a frame.
âš« Remote ID: triggers on the remote frame with the specified ID. Set the following
parameters:
➢ Click Extended ID to enable or disable the extended ID.
➢ Click Bit X to set the data bit that needs to be operated on. For setting
methods, refer to descriptions in "I2C Trigger (Option)".
âš« Overload: triggers on the CAN overload frames.
âš« Frame ID: triggers on the data frames with the specified ID. Set the following
parameters:
➢ Click Extended ID to enable or disable the extended ID.
➢ Click Bit X to set the data bit that needs to be operated on. For setting
methods, refer to descriptions in "I2C Trigger (Option)".
âš« Frame Data: triggers on the data frames with specified data. Set the following
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