www.solarv.de Copyright © 2022 SolarV GmbH All rights reserved EN
1
2
WiFi 2.4G
Adapter
EPEVER WiFi 2.4G RJ45 A
EPEVER WiFi 2.4G DB9 B
1. Overview
Through a local WiFi 2.4G network, the WiFi 2.4G adapter can transmit all
operational data from the EPEVER solar controller, inverter, or inverter/charger to
the EPEVER cloud server in real-time. Users can remotely monitor the connected
devices and program parameters via the EPEVER server, mobile APP, or the large
screen.
Features:
Applicable to EPEVER controllers, inverters, or inverter/charger with RJ45, DB9
interfaces
Use immediately after connecting, easy and convenient operation
Directly powered by the communication port
Up to 30 meters communication distance
Support the “Local” and “EPEVER Cloud” working mode.
One key to restore the factory settings
2. Appearance
2.1 EPEVER WiFi 2.4G RJ45 A
Interface instruction
No.
Name
Instruction
❶
RJ45 port
Connect to the solar controller, inverter, or
inverter/charger
❷
Reload button
One key to restore factory settings
Note: Long press the Reload button with a sharp
object
when the terminal’s power is on
. The Link
indicator flashes twice quickly, and the factory
settings are restored successfully.
❸
Link indicator
Indicate the communication status
❹
Power indicator
Indicate the power status
Indicator instruction
Indicator
Status
Instruction
Link indicator
ON solid in green
Connect to the WiFi
OFF
Not connect to the WiFi
Fast flashing in green
Reset to the factory mode
Power indicator
ON solid in green
Normal powered on
OFF
Not powered on
2.2 EPEVER WiFi 2.4G DB9 B
Interface instruction
No.
Name
Instruction
❶
DB9 male
connector
Connect to the solar controller, inverter, or
inverter/charger
❷
Antenna
Enhance the signal transmission
❸
Reset button
One key to restore factory settings
Note: Long press the Reset button through the
KEY hole with a sharp object when the
terminal’s
power is on. The indicator light flashes twice
quickly, and the factory settings are restored.
❹
Network Indicator
Indicate the communication status
(Observe the
indicator status through the KEY hole)
❺
Power Indicator
Indicate the power status
Connect the EPEVER WiFi 2.4G DB9 B to the solar controller, inverter, or
inverter/charger by a DB-9 female connector. The wire sequence and name of the
DB9 female connector are shown below.
No.
Name
Instruction
No.
Name
Instruction
1
NC
Floating
6
NC
Floating
2
NC
Floating
7
RS485-A
RS485-A
3
VCC2
Power2
(12V/200mA)
8
RS485-B
RS485-B
4
GND2
Power GND2
9
VCC1
Power1
(5V/400mA)
5
GND1
Power GND1
Indicator instruction
Indicator
Status
Instruction
Network Indicator
ON solid in green
Connect to the WiFi
OFF
Not connect to the WiFi
Fast flashing in
green
Reset to the factory mode
Power Indicator
ON solid in green
Normal powered on
OFF
Not powered on
3. System connection
Step1:
Connect the WiFi transmission terminal to the controller, inverter, or
inverter/charger through the RJ45 port or the DB9 connector. Take the connection
diagram of the inverter/charger as an example as follows:
Note: EPEVER WiFi 2.4G RJ45 A is suitable for the controller, inverter, or
inverter/charger designed with an RJ45 port. EPEVER WiFi 2.4G DB9 B is ideal for
the device designed with a DB9 interface. For detailed connection cables, refer to
the connected device
’s accessories list.
4. Operations
After successfully connecting the WiFi terminal to the controller, inverter, or
