User manual

RIGOL Chapter 2 Command System
2-200 DS4000E Programming Guide
differential probe. The positive polarity of the differential probe connects the CAN_H bus signal, and
the negative polarity connects the CAN_L bus signal.
Return Format
The query returns RX, TX, H, L, or DIFF.
:TRIGger:CAN:WHEN
Syntax
:TRIGger:CAN:WHEN <cond>
:TRIGger:CAN:WHEN?
Description
Sets or queries the trigger condition of CAN trigger.
Parameter
Name Type Range Default
<cond> Discrete {SOF|EOF|FTYPe|FERRor} SOF
Remarks
 SOF: indicates start of frame. It indicates that the oscilloscope triggers at the start of a data frame.
EOF: indicates end of frame. It indicates that the oscilloscope triggers at the end of a data frame.
FTYPe: indicates frame type. It indicates that the oscilloscope triggers on the specified type of a frame.
FERRor: indicates the frame error. It indicates that the oscilloscope triggers on the frame that has a
specified error type.
 When <cond> is "FTYPe", you can use the :TRIGger:CAN:FTYPe command to set the frame type of
CAN trigger.
Return Format
The query returns SOF, EOF, FTYP, or FERR.