Teledyne LeCroy CANbus TD and CANbus TDM - Operators Manual - Manual (Page 9)

Operator's Manual
CANbus-TD-TDM-OM-E RevB
9
Using the CANbus Options
Overview of CANbus TD (Trigger and Decode)
The CANbus TD option contains powerful software algorithms to extract serial data information
from physical layer waveforms measured on your oscilloscope. The extracted information is
overlaid (annotated) on the actual physical layer waveforms, and color-coded to provide fast,
intuitive understanding.
The CANbus TD option allows triggering on CAN Frames and Errors. Frame triggering can be set
to trigger on any frame, one specific Frame ID, a range of Frame IDs, Remote Frames and Errors.
Frame triggering and data triggering can be done for a single ID or message or a range of IDs and
data by using the conditional trigger capabilities. Other powerful and user-friendly features
included in CANbus TD include:

The ability to trigger and decode CAN at bit rates from 10 kb/s to 1 Mb/s.

The ability to create powerful, conditional Frame ID and Data triggers.

Triggering on CAN protocol errors and remote frames.
If you are unfamiliar or are just learning about CAN, start by using the simplest trigger conditions
(All Frames or Frame ID). Next, experiment with an ID and Data to trigger on a specific value.
Then, try a conditional ID + Data trigger (ID Greater Than or In Range).
Accessing Serial Triggers
The CANbus serial trigger is accessed from the oscilloscope trigger dialog. Use one of the
following methods:

Touch the Trigger Descriptor Box in the lower right hand corner of the oscilloscope
display.
OR

Touch Trigger → Trigger Setup from the Menu Bar. On the Trigger dialog, touch Serial on
the Type section.
Select the appropriate serial trigger. The menu automatically changes to a different tab in
the Trigger dialog reflecting the selected standard.