Huawei SUN2000-4.95KTL-JPL1 Quick Manual page 12

Battery Terminal Wiring Diagram
Pull the
battery cables
back to check
that they are
securely
connected.
Connect the positive
and negative cables
according to the labels.
3.7
Installing Signal Cables
When laying out a signal cable, separate it from power cables and keep it away from strong

interference sources to prevent communication interruption.
If multiple signal cables need to be connected, ensure that the outer diameters of the signal

cables are the same.
COM Port Pin Definitions
No. Label Definition
OUT+
1 12V_OUT+
2 OUT- 12V_OUT–
3 A1 RS485A1
4 B1 RS485B1
5 RS485A2
A2
B2
6 RS485B2
7
A3 RS485A3
B3 RS485B3
8
Description
Battery enabling signal+/-
Southbound RS485 port for connecting to the battery RS485 port
Connects to the COM1 signal port on the SmartLogger
Connects to the COM2 signal port on the SmartLogger or cascades
inverters
11
Insert the battery terminal that has
been connected into the base and
secure the yellow part of the battery
terminal to the base.