HUIZHOU EPEVER TECHNOLOGY CO., LTD. Tel
：
+86-10-82894896/8286-752-3889706 Website
1 2
WiFi Transmission Terminal
EPEVER-WiFi-2.4G-RJ45-A
EPEVER-WiFi-2.4G-DB9-B
1. Overview
The WiFi transmission terminal is specially designed for our solar controller,
inverter, or inverter/charger. The WiFi transmission terminal can
automatically upload data to the cloud server based on wireless transmission
technology after connecting to the local wireless network. The device
connected to the WiFi transmission terminal can be remotely monitored
through the cloud server or mobile APP, which makes communication and
data transmission easier and more convenient.
Features:
Wireless monitoring the solar controller, inverter, or inverter/charger
Support cloud server or APP communication
Convenient connection and operation
Adopt high-performance M4 core CPU
Ultra-low power consumption and high-speed data processing capabilities
Directly powered by the communication port
Up to 50 meters communication distance
Supports the AP and STA working mode.
One-key to restore factory settings
2. Appearance
2.1 EPEVER-WiFi-2.4G-RJ45-A
Interface instruction
No.
Name
Instruction
❶
RJ45 port
Connect to 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, the Link indicator flashes twice
quickly, and the factory settings are restored
successfully.
❸
Link indicator
Display communication status
❹
Power indicator
Display power status
Indicator instruction
Indicator
Status
Instruction
Link indicator
ON solid in green
Connect to WiFi
successfully.
OFF
Not connect to 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 solar controller, inverter, or
inverter/charger
❷
Antenna
Enhance the signal transmission
❸
Reset button
One key to restore factory settings
Note: The Reset button is located on the
internal circuit board. Disassemble the shield
first, press and hold the Reset button when the
power is on, the indicator light flashes twice
quickly, and the factory settings are restored
successfully.
❹
Network Indicator
Display communication status
❺
Power Indicator
Display power status
EPEVER-WiFi-2.4G-DB9-B is connected 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
Input DC
voltage
12V/200mA
8
RS485-B
RS485-B
4
GND2
DC Power
GND2
9
VCC1
Power1
(5V/200mA)
5
GND1
DC Power
GND1
--
Indicator instruction
Indicator
Status
Instruction
Network Indicator
ON solid in green
Connect to WiFi successfully.
OFF
Not connect to WiFi.
Fast flashing in
green
Reset to the factory mode.
Power Indicator
ON solid in green
Normal powered on
OFF
Not powered on
3. Working procedures
Step1:
Connect the WiFi transmission terminal to the controller, inverter, or
inverter/charger through the RJ45 port or the DB9 connector. For example
：
※
Thanks for selecting the EPEVER WiFi transmission terminal;
please read this manual carefully before using the product.
※
Please keep this manual for future reference.
