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CANDTU-200UWGR
CAN Bus Message Recording and Wireless Data Transmission Equipment User Manual
The switch output interface is used to output the alarm signal. Through the
configuration tool, configurable trigger events include record full, CAN bus error, and SD
card status abnormality. In addition, the relay can be configured to be normally open or
normally closed based on user needs.
3.3.3
Switching Value Input Interface
The device provides one channel digital input. The physical form of the interface is a
flange terminal. Table 3.9, Table 3.10, and Table 3.11 list the interface diagrams, signal
definitions.
Type
Flange terminal
Function
interface
DI
parameter
Logic 0 signal
Logic 1 signal
Isolation voltage
Table 3.8 DI interface
Schematic Diagram
Table 3.9 Flange terminal signal definition
Signal
definition
Positive pole of the digital input
DI_P
channel
Negative pole of the digital input
DI_N
channel
Table 3.10 DI interface specifications
Minimu
Conditions
DC
DC
Valid value
开关设备
DI_P
设备
输入单元
DI_N
Figure 3.3 DI network connection
©2021 Guangzhou ZLG Microelectronics Technology Corp.,Ltd.
10
Signal description
Typical
Maximu
m
value
m
0
3
5
24
3750
用户电源
User Manual
Unit
V
V
V
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