B&B Electronics GW-7433D - Manual - Manual (Page 14)

2.1.2 Connect to CANopen devices
In order to provide an easy CAN bus wiring, the GW-7433D supplies
one CAN port with two CAN bus connector interfaces. Each connecter built on
the GW-7433D looks like as figure 2.3 and table 2-2.
Pin No. Signal Description
1 N/A Unavailable
2 CAN_L CAN_L bus line (dominant low)
3 N/A Unavailable
4 CAN_H CAN_H bus line (dominant high)
5 N/A Unavailable
Table 2-2 CAN bus Connector Pin Assignment
Note that the bypass CAN bus connector is not another CAN channel. It
is designed for connecting to another CAN device conveniently. The structure
of the inside electronic circuit is displayed as figure 2.4.
Figure2.4 Electronic circuit of CAN bus connector
GW-7433D MODBUS TCP/RTU to CANopen Gateway User Manual 14
(Version 2.0.0, Jul/2011)