Huawei SUN2000-3.8KTL-USL0 - Installing the Signal Cable

9
Installing the Signal Cable
4.6
• When laying out a signal cable, separate it from the power cable to avoid signal interference.
• Cut off extra wires from the signal cable to be flush with the protection layer. Ensure that the
exposed core wire is completely inserted into the cable hole and connected securely.
No.
Label
Definition
Description
1
RSS+
EMERGENCY STOP switch signal
input
Can connect to the signal port on
the emergency stop switch (NC).
2
RSS–
3
EN+
Enable signal+
Can connect to the battery enable
signal port and RS485 signal port.
4
EN–
Enable signal
–
5
485A2
RS485A
, RS485 differential signal+
6
485B2
RS485B
, RS485 differential signal–
7
485A1
RS485A
, RS485 differential signal+
Can connect to the RS485 signal
port on the energy meter.
8
485B1
RS485B
, RS485 differential signal–
NOTICE