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©2017 Guangzhou ZHIYUAN Electronics
Date: 2017/03/09
User Manual
V1.00
Guangzhou ZHIYUAN Electronics Co., Ltd.
Industrial high performance CAN interface card
USBCAN-4E-U User Manual
Figure 2- 1: DIP switch
2.3 CAN-bus Connector
The USBCAN-4E-U interface card is integrated with 1~4 CAN-bus channels, which
connect with the CAN-bus network or CAN-bus interface. The commonly used
electrical connectors for CAN-bus communication interface are DB9 socket, OPEN5
socket, OPEN3 socket and so on. USBCAN-4E-U CAN-bus channel uses standard
male DB9 socket output. The pin definition of DB9 is shown in Table 2-2.
Table 2- 2: Pin definition of CAN-bus DB9
Pin
Signal
Description
Function
1
V-
Network power negative
2
CANL
CANL signal line
3
CGND
Reference ground
4
NC
Not used
5
CAN_SHIELD
Shielded line
6
CGND
Reference ground
7
CANH
CANH signal line
8
NC
Not used
9
V+
Network power positive
In some applications, the CAN-bus interface is OPEN-5 interface. USBCAN-4E-U
has four DB9 to OPEN5 connector. The signal definition of OPEN5 socket is shown in
Table 2-3.
