Chapter 12 Serial Bus Trigger and Decode (Optional)
127
Trigger mode selection menu description:
a)
F.start — trigger at the start of the frame;
b)
Remote ID — setting the ID matches the remote frame trigger. After selecting the “Remote Frame ID”,
and then set the ID value at the bottom of the trigger data area
Operation description: Press the numbers on the touch screen and use the virtual keyboard to set;
c)
Data ID — trigger on data frame that matches set ID. Data frame ID configuration mode is the same
as the remote data frame ID configuration;
d)
R/D ID — trigger on remote frame or data frame that matches set ID. Remote frame/data frame ID
configuration is the same as the remote data frame ID configuration;
e)
ID + data — trigger on data frame that matches set ID and data. The configuration method is the same
as the remote frame ID configuration;
f)
Wrong F. — trigger on CAN error frame;
g)
All Error — trigger when there is any error in format or activity;
h)
Ack Error — trigger on recessive (high) Ack position;
i)
Over Load — trigger on CAN overload frame.
⚫
CAN serial decode
Ch1 is connected to measured signal. The idle level is high and the baud rate is 1Mb/s; the Trigger mode is
the frame start. Please follow these steps:
(1) Tap S1 to open the decode channel, and click S1 again to open the bus configuration menu;
(2) Select the bus type as “CAN”, and then click “Ch1”, “Idle High” and “1Mb/s”. After setting, click the
blank area to close the menu;
(3) Open the trigger mode configuration menu and click “F.Start”;
(4) Adjust the threshold level according to the signal amplitude; the CAN trigger graphic interface is shown
in Figure 12-16:
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