16
COM Port Pin Definitions
No. Label Definition
Description
3
485
B2
RS485B, RS485
differential signal–
Used for connecting to
the RS485 signal ports of
the battery.
4
485
A2
RS485A, RS485
differential
5
GND GND
Used for connecting to
GND of the enable signal.
6
EN+ Enable
Used for connecting to
the enable signal of the
battery.
SUN2000-(3KTL-12KTL)-M1
No. Label
Definition
Description
7
485A2
RS485A, RS485
differential
Used for connecting to
the RS485 signal ports of
the battery.
9
485B2
RS485B, RS485
differential
signal–
11
EN+
Enable
Used for connecting to
the enable signal of the
battery.
13 GND
GND
Used for connecting to
GND of the enable signal.
COM Port Pin Definitions
Battery terminals (BAT+/BAT–)
COM port (COM)
COM port (COM)
Battery terminals (BAT+/BAT–)
