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9-1. Pin Assignment for RS-232 Communication Port
Definition
PIN 1
RS232TX
PIN 2
RS232RX
PIN 3
NC
PIN 4
8~12V
PIN 5
NC
PIN 6
NC
PIN 7
NC
PIN 8
GND
9-2. Pin Assignment for BMS Communication Port
Definition
PIN 1
RS232TX
PIN 2
RS232RX
PIN 3
RS485B
PIN 4
NC
PIN 5
RS485A
PIN 6
CANH
PIN 7
CANL
PIN 8
GND
9-3. Dry Contact Signal
There is one dry contact available on the bottom panel. It could be used to
remote control for external generator.
Electric Parameter
Parameter
Symbol
Max.
Unit
Relay DC voltage
Vdc
30
V
Relay DC current
Idc
1
A
Note: The application of the dry contact should not exceed the electric parameter shown
as above. Otherwise, the internal relay will be damaged.