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USBCANFD-100U-mini
USBCANFD Series CANFD Interface Card User Manual
Pin
7
8
9
2.3 Signal Indicators
USBCANFD-100U-mini has a two-color SYS indicator and a two-color CAN channel indicator that indicate
the operating status of the CAN channel. Figure 2.1 shows the indicator locations, and Table 2.2 describes the
indicators.
Indicator
SYS
CAN
2.4 System Connections
When USBCANFD-100U-mini is connected to the CAN-bus, you only need to connect CAN_L to CAN_L and
CAN_H to CAN_H signal. The CAN-bus network adopts a linear topology, and the two terminals of the bus need
to be installed with 120 ohm terminal resistors; if the number of nodes is greater than 2, the intermediate nodes
do not need to install 120 ohm terminal resistors. For branch connections, the length should not exceed 3 meters.
Figure 2.3 shows the connection of CAN-bus bus.
Signal
CAN_H
CAN bus is highly dominant
--
--
Figure 2.2 CAN interface
Table 2.2 Description of USBCANFD-100U-mini interface card indicators
Status
Red
Green
Green flashing
Flash in red
Off
Green
Green flashing
Flash in red
Description
Reserved
Reserved
The USB driver is not installed properly
The USB driver is installed
The USB is communicating with the device
USB and device communication error
The CAN channel is not open
The CAN channel is open
The CAN channel is transmitting messages
CAN channel bus error
©2021 Guangzhou ZLG Electronics Technology Corp.,Ltd.
5
Figure
Indication status
User Manual
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