HI Power Supply User Manual
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• CANL and CANH
The CAN communication lines are for communicating via the CAN protocol
• RS485_A and RS485_B
The RS485 communication lines are used for communicating using the RS485 protocol.
• GND
The GND is used as the common ground for RS485 or CAN communication. The GND signal is internally
connected to DSUB9 pin 2 5V Housekeeping Bias Return.
• +5V Bias
Supply Bias for CAN and RS485 communication and is internally connected to DSUB9 pin 1 5V
Housekeeping Bias.
RS485 Connection.
Provide a set of D-Sub 9PIN for users to use.
Figure 3-3
D-Sub-9PIN
+5V
PIN1, PIN6
GND
PIN5, PIN9
RS485-A
PIN2
RS485-B
PIN4
