Huawei SUN2000 - Page 125

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
7 Operations on the Local FusionHome App
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
118

If a power meter or battery is connected, the SUN2000 baud rate should be the same as the baud rate
of the power meter or battery. Otherwise, the power meter or battery cannot communicate with the
SUN2000.

The communications address is used only when the SUN2000 connects to the management system
over RS485.
Figure 7-49 RS485 setting
Table 7-15 Description of the parameters on the RS485 setting screen
Parameter
Description
Value Range
Protocol type

The SUN2000 can
connect to the
upper-level management
unit over MODBUS
RTU, Sunspec, or AVM.

If the SUN2000 connects
to an energy meter or
battery, set this
parameter only to
MODBUS RTU.

If the SUN2000 does not
communicate over
RS485, set this
parameter to Invalid
protocol type.

Invalid protocol type

MODBUS RTU

Sunspec

AVM
Baud rate (bps)
Specifies the RS485
communication rate, which
should be the same as the
communication baud rates
of the energy meter and
battery.

4800

9600

19200