Huawei SDongleA-01

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Device Description Service Owner

Transformer station Prepared by the customer Customer

Power meter Prepared by the customer Device supplier

Smart Dongle Parameters

Table 2-6 Number of cascaded inverters

Limit Actual Connection

Maximum Number of Devices

That Can Be Connected to the

Smart Dongle

abcd

Number of Slave Inverters Number of Other Devices

(Such as Power Meters)

10 n ≤ 9 ≤ 9 – n

2 n ≤ 1 ≤ 1 – n

Note a: You can view the number of devices that can be connected to the Smart Dongle from the

label on the external package.

Note b: If the number of inverters exceeds the limit, congure multiple Smart Dongles. The

installation and commissioning for each Smart Dongle are the same.

Note c: If cascaded inverters include a single-phase inverter or are connected to batteries, a

maximum of three inverters can be cascaded.

Note d: If RS485 communication is used and the device is connected to the RS485-2 and RS485_2

ports, or 485B2 and 485A2 ports on the master inverter, the device is not counted as a cascaded

device.

Table 2-7 Frequency bands and systems of the Smart Dongle

Model

Supported Frequency Bands and Systems

SDongleA-03-CN LTE FDD: B1, B3, B8

LTE TDD: B38, B39, B40, B41

DC-HSPA+/HSPA+/HSPA/UMTS: B1, B5, B8, B9

TD-SCDMA: B34, B39

GSM/GPRS/EDGE: 900 MHz, 1800 MHz

SDongleA-03-EU LTE FDD: B1, B3, B7, B8, B20

LTE TDD: B38, B40

WCDMA/HSDPA/HSUPA/HSPA+: B1, B8

GSM/GPRS/EDGE: 900 MHz, 1800 MHz

FusionSolar Smart PV Management System

Connection

User Manual (Inverters + SDongleA) 2 Introduction to the Solution

Huawei SDongleA-01 - Page 18