CANDTU-400ER
CAN Bus Message Recording and Wireless Data Transmission Equipment User Manual
©2021 Guangzhou ZLG Electronics Technology Co.,Ltd.
7
User Manual
CAN2
、
3
transceiver status
indicator
activated
Green flashing light
The CAN channel receives data
properly
The red indicator is
on
The CAN channel received an
error frame
3.3 Button
The device provides a trigger button. The shell is identified as "Trigger". Its function is
to mark the CAN message data, so that you can locate the data recorded in the SD card.
In addition, this button can be used for firmware upgrade.
Table 3.1 Button functions
Operation
Function
Conditions
Manipulation
Symptom
Stop
recording
Stop storing
CAN message
data
Normal
recording, or
resumed
recording
Hold down the button for
more than 3 seconds and
less than 10 seconds to stop
recording. Then you can
safely eject the SD card
The buzzer beeps
Recover
records
Recover
storage
CAN message
data
Recording
has stopped,
and the card
exists
Short-press the button to
resume recording
Return to the state before
the stop;
The buzzer beeps twice
Once the configuration is
downloaded, the recording
can be resumed
Recording
has stopped
but the card
does not
exist
Reinsert the card to resume
recording
User tag
Mark
CAN message
data
Normal
record
Press the button for more
than 200 ms and no more
than 2s to mark the data.
The REC indicator
flashes once;
The buzzer beeps briefly.
User
upgrade
Upgrade
device
firmware
Power-on
process
Insert the SD card, press
and hold the button, and
power on the device;
Release the button after
three short buzzer beeps
The buzzer makes three
short beeps
Restore
network
parameters
Restore
default
network
parameters
Device
running
process
Hold down the button for
more than 10s, and release
the button
The buzzer beeps long
while the button is
pressed
When the button is
released, the buzzer
beeps four times in a row
3.4 Power Interface
The rated voltage of the power input of the equipment is DC 9-48 V, and the casing is
marked as "DC 9-48V". The physical form of the interface is a 5.08 terminal.
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list the interface diagram, signal
definition, and interface specifications.
Table 3.2 Power interface
