Huawei SUN2000 - Page 62

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
5 Electrical Connections
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
55
No.
Device
Label
Definition
Description
5
RS485A2
RS485A, RS485 differential
signal+
port on the battery.
6
RS485B2
RS485B, RS485 differential
signal–
7
Energy
meter
RS485A1
RS485A, RS485 differential
signal+
Reserved, Can connect
to the RS485 signal
port on the energy
meter.
8
RS485B1
RS485B, RS485 differential
signal–
9
N/A
N/A
N/A
N/A
10
N/A
N/A
N/A
N/A
Procedure
Step 1 Install the pipe fittings. For details, see 5.2 Installing the Pipe Fittings.
Step 2 Route the signal cable through the conduit and then the fitting of the pipe.
Step 3 Connect the signal cable to the corresponding terminal block and clamp the shield layer of the
cable into the ground point.
Step 4 Secure the fitting to the conduit.
Step 5 Check that the cables are connected correctly and securely. Then take appropriate measures to
ensure that the pipe conduit and fittings are secured reliably, and seal the cable holes.
Step 6 Keep the maintenance compartment clean.
The signal cable terminal block is provided with the SUN2000.