Huawei iSitePower-M Quick Guide

22
7
Parallel Connection Scenario
Installing Communications Cables Between Parallel Power Modules
7.2
• When installing communications cables between parallel power
modules, install build-out resistors at the first level and last level.
•
The length of a single communications cable cannot exceed 3 m.
• The method of installing communications cables between power
modules is the same as that between battery modules.
Installing Monitoring Communications Cables in a Parallel System
7.3
The FE1 and FE2 ports on the
master and slave products are
used for different functions.
Connect the FE2 port on the
master product to the FE1
port on the slave product.
Otherwise, the parallel
communication will fail.
Scenario
Address DIP Switch
Pin 1 (M/S) Pin 2 (A) Pin 3 (B) Pin 4 (C)
Parallel
products
Master
1 ON OFF OFF OFF
Slave 1
2 OFF ON OFF OFF
Slave 2
3 OFF OFF ON OFF
The address DIP switches take effect only after the devices are restarted. Set the DIP switches
when the devices are powered off (AC and DC inputs are disconnected, and the manual ON/OFF
switch is turned off).
FusionSolar Smart PV Management System
Router
Setting the DIP Switch
7.1
1. Power on the iSitePower-Ms and set the same output parameters for the master and slave
products.
2. Power off the iSitePower-Ms and set address DIP switches for the master and slave products.

Huawei iSitePower-M Specifications

General

Storage Temperature	-40°C to +70°C
Product Name	Huawei iSitePower-M
Type	Power System
Efficiency	≥96%
Output Voltage	-48 V DC
Operating Temperature	-40°C to +55°C
Relative Humidity	5% to 95% (non-condensing)
Altitude	Up to 4000 m
Cooling Method	Forced Air Cooling
Protection Features	Overvoltage, undervoltage, overcurrent, short circuit, overtemperature
Certifications	CE, UL, TUV
Input Voltage Range	85 V - 300 V AC