User Manual

RIGOL 7 Protocol Decoding
DS4000 User’s Guide
7-16
CAN Decoding (Option)
Press Decode1  Decode and select “CAN” to open the CAN decoding function
menu.
1. Source
Press Source and select any channel (CH1 to CH4) as the source channel.
2. Signal Type
Press Signal Type to select the desired signal type.
 CAN_H: the actual CAN_H bus signal.
 CAN_L: the actual CAN_L bus signal.
 Differential: the CAN differential bus signals connected to an analog
channel using a differential probe. The positive lead of the probe connects
CAN_H and the negative lead connects CAN_L.
3. Baud
Press Baud to select a baud rate (100 kb/s, 125 kb/s, 250 kb/s, 400 kb/s, 500
kb/s, 800 kb/s, 1 Mb/s or User) that matches the CAN bus signal. When “User” is
selected, press Setup and use to enter the desired rate, the range is from
10 kb/s to 1 Mb/s.
4. Sample Point
The Sample point is the point within the bit’s time. The oscilloscope samples the
bit level at this point. “Sample point” is represented by the percentage of “the
time from the start of the bit’s time to the sample point time” in the “bit’s time”.
Press Sample Point and use to adjust this parameter with a step of 1%.
The range is from 5% to 95%.
1bit
60%
70%
80%