RIGOL
DS4000E Programming Guide
2-199
Description
Sets or queries the source channel of CAN trigger.
Parameter
Name
Type
Range
Default
<source>
Discrete
{CHANnel1|CHANnel2|CHANnel3|CHANnel4}
CHANnel1
Remarks
Channels that are not currently turned on can also be selected as the trigger source.
Return Format
The query returns CHAN1, CHAN2, CHAN3, or CHAN4.
:TRIGger:CAN:SPOint
Syntax
:TRIGger:CAN:SPOint <spo>
:TRIGger:CAN:SPOint?
Description
Sets or queries the sample point position of CAN trigger (expressed in %).
Parameter
Name
Type
Range
Default
<spo>
Integer
5 to 95
50
Remarks
The sample point is within the range of the bit time. The oscilloscope samples the bit level at the sample
point. The sample point position is expressed as the ratio of "time from the bit start to the sample point" to
"bit time", in %.
Return Format
The query returns an integer between 5 and 95.
:TRIGger:CAN:STYPe
Syntax
:TRIGger:CAN:STYPe <stype>
:TRIGger:CAN:STYPe?
Description
Sets or queries the signal type of CAN trigger.
Parameter
Name
Type
Range
Default
<stype>
Discrete
{RX|TX|H|L|DIFFerential}
RX
Remarks
RX: indicates the Receive signal from the CAN bus transceiver.
TX: indicates the Transmit signal from the CAN bus transceiver.
H: indicates the actual CAN_H differential bus signal.
L: indicates the actual CAN_L differential bus signal.
DIFFerential: indicates the CAN differential bus signal connected to an analog channel by using a
