Huawei SUN2000-2KTL-L1 User Manual page 57

SUN2000-(2KTL-5KTL)-L1
User Manual
Table 5-3 COM port definition
No.
1
2
3
4
5
6
7
8
Communication Networking Mode

Issue 01 (2020-04-17)
Label Definition
485B1 RS485B, RS485
differential
signal–
485A1 RS485A, RS485
differential
signal+
RS485B, RS485
485B2
differential
signal–
485A2 RS485A, RS485
differential
signal+
GND of the
GND
enable
signal/12V/DI1/D
I2
EN+ Enable
signal+/12V+
DI1 Digital input
signal 1+
DI2 Digital input
signal 2+
 When batteries and power meters coexist, they share the 485B2 and 485A2 ports.
 For details about how to connect signal cables, see the
SUN2000-(2KTL-5KTL)-L1 Battery and Smart Power Sensor Quick
QR code to obtain the document.
The power meter and Smart Dongle must be connected to the same SUN2000.
Single SUN2000 scenarios
Copyright © Huawei Technologies Co., Ltd.
Single SUN2000
Scenario
-
Connects to a battery
or power meter.
Connects to the GND of the enable
signal/12V/DI1/DI2 of a battery.
Connects to the enable signal of a battery and the
positive terminal of 12V.
Connects to the positive terminal of DI1. Connects
to the DRM0 scheduling signal or serves as a
reserved port for fast shutdown signals.
Connects to the positive terminal of DI2 and serves
as a reserved port for feedback signals of the
grid-connected or off-grid controller.
SUN2000L-(2KTL-5KTL) and
5 Electrical Connection
SUN2000 Cascading
Scenario
Connects to the
SUN2000s.
Connects to a battery or
power meter.
Guide. You can also scan the
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