Install Manual

ENGLISH
19
Primary
Pack
Inverter
Secondary
Pack
ENABLE 12V
ENABLE GND
RS485 A+
RS485 B-
CAN Hi
CAN Lo
ENABLE 12V
ENABLE GND
RS485 A+
RS485 B-
CAN Hi
CAN Lo
Primary Pack Secondary Pack
Inverter
ENABLE 12V
ENABLE GND
RS485 A+
RS485 B-
CAN Hi
CAN Lo
ENABLE 12V
ENABLE GND
RS485 A+
RS485 B-
CAN Hi
CAN Lo
In the case of products using a combiner box, communication lines can also be connected
through the combiner box.
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not the battery’s own condition. Therefore, you must refer to the battery communication
connection description in the inverter installation guide. Below are some examples
according to the inverter model.
[When only 1 pack is installed]
Inverter model
SMA SolarEdge
Other models
(Case 1)
SUNNY BOY
STORAGE
2.5/3.7/5.0/6.0
(Case 1)
Energy Hub (Case 1)
Primary / Secondary Primary Primary Primary
Communication
resistor
ON ON ON
[When installing 2 packs]
Inverter model
SMA SolarEdge
Other models
SUNNY BOY
STORAGE
2.5/3.7/5.0/6.0
(Case 2-1)
Energy Hub (Case 2-2)
Primary / Secondary Primary Primary Primary Secondary Refer to the inverter
installation manual.
Communication
resistor
ON ON ON OFF
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Power cable is connected by combiner Box. Positive and negative line should be connected
same polarity line by combiner box. Joint connection is in the combiner box. If installer
connected reverse polarity position of the power line, the battery system is not normally
operated.
Primary
Pack
Inverter
Combine
box
Secondary
Pack
(+)
GND
(-)
(+)
GND
(-)
Primary Pack Secondary Pack
Combine box
Inverter
( + )
GND
( - )
( + )
GND
( - )
7.2 RMD Applications
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How to check the battery status is as follows.
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First, proceed with RMD Wi-Fi direct connection as shown below.
Search and access the SSID of the RMD AP from a device (hereinafter referred to as a device)
supporting WLAN Station functions such as a smartphone.
RMD SSID has a structure of “RESU_ (or RMD) + RMD WLAN STM MAC ADDRESS”.
For the devices below, the SSID of the RMD SoftAP is “5(68B&%;;;&)RU
50'&%;;;&)”. The password is 12345678(changeable)
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1. Start a web browser on the device and enter 192.168.4.1 in the address bar. If the
following screen is displayed after input, you have successfully connected to the
RMD web server.
2. Enter the password and click ‘Register’ to go to the home screen.
3. The default password is set to 123456 and can be changed in the Web UI.
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Go to ‘Monitoring’ – ‘BMS’ tab of RMD Web page and check the value in the red box. If the
value is not ‘0x0000(or 0x00)’, refer to the Trouble shooting table below and take action.