Epever RTU 2G A Manual
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Imprimir páginaHUIZHOU EPEVER TECHNOLOGY CO., LTD
※ Thanks for selecting the EPEVER RTU 2G A solar wireless collector.
Please read this manual carefully before using the product.
※ Please keep this manual for future reference.
GPRS Transmission Terminal
1. Important Safety Instructions
Read the instructions and warnings in the manual carefully before
installation.
The product should be situated away from the rain, exposure, dust,
vibration, corrosion, and intense electromagnetic environment.
Please avoid water and other liquids enter into the product.
Never use the product at sites where electrostatic could occur, and avoid
the antenna close to a metal object.
DO NOT disassemble or attempt to repair the product.
Power supply: DC 9~60V or 5V, it can be customized according to
customers' requirements.
Enable GPRS service for the SIM card before installation.
2. Overview
EPEVER RTU 2G A is a new wireless data transmission terminal based on
the GPRS network. With the GSM/GPRS SIM card, the connected devices
can easily access the EPEVER cloud server to realize remote, wireless, and
networked communication. EPEVER RTU 2G A is suitable for EPEVER solar
controller, inverter, and inverter/charger.
Features:
Extensive network coverage and flexible networking
Low operating costs (charged by network flow)
Adopt a non-standard DB9 male terminal
Embedded in Modbus RTU protocol
Automatic restore after disconnection
Support RS485 communication
3. Appearance
❶ Antenna port
❷ Hole
★The pin definition of the terminal(DB9 female) connected to the DB9
male terminal❸ is as follows.
Item
1/2
3
4
5
6
7
8
9
Indicators
You can observe the indicators' color and status through the hole❷.
Name
Color
Network indicator
Red
(LED2)
Slowly flashing (5s)
EPEVER RTU 2G A
❹ Fixing screws
❸ DB9 male connector★
Terminal
Definition
NC
Floating
VCC2
Power2 (12V/200mA)
GND2
Power GND2
GND1
Power GND1
NC
Floating
RS485-A
RS485-A
RS485-B
RS485-B
VCC1
Power1 (5V/400mA)
Status
Instruction
Correct power supply
On solid
Unregistered GPRS network
Registered GPRS network
successfully
1
TEL: +86-10-82894896/82894112/+86-752-3889706
Sync. Indicator
Green
(LED1)
Power indicator
Green
(LED2)
4. Parameter Configuration
Step1: Connect the DB9 terminal ❸ to the PC through a DB9 to USB adapter.
Note: Connect an external power adapter to the DB9 female terminal to supply the
EPEVER RTU 2G A.
Step2: Insert the SIM card and power on the EPEVER RTU 2G A. For detailed
SIM card installation, refer to chapter 6, Installation.
Step3: Open the configuration tool on the PC and click the "connect" button
to connect the EPEVER RTU 2G A successfully.
Step4: Click the "Read" and "Write" buttons to configure the parameter.
Step5: After configuring, power on the product again to make the modified
parameters take effect.
Common configuration parameters:
Parameters
Configuration
Server Info
No modifications are recommended
Different countries have different APN, and please make sure APN
APN
firstly. Products will not be connected to the Internet with fault APN.
China APN: CMNET
APN User
Enter it according to the actual
APN Key
Enter it according to the actual
Baud
Set it according to the connected controller or inverter
5. System Connection
EPEVER RTU 2G A can be applied to the following solar street light systems.
Through a GPRS signal, users can easily monitor the operating status and
modify the related parameters on the Cloud platform.
Note: The EPEVER RTU 2G A supports 5~18V DC power. While a larger transient
current is needed when the wireless network sends the data, it is suggested to
adopt a power adapter of DC 5V/500mA or above.
6. Installation
Step1: Install the SIM Card
① Purchase a SIM card and activate the GPRS service.
② Undo the three screws from the EPEVER RTU 2G A.
③ Push the shell upward and take out the circuit board.
④ Take out the small SIM card and insert it into the card slot correctly.
⑤ After installing successfully, reinstall the product shell.
Step2: Install the silicone pad
Tear off the silicone pad's adhesive and stick the silicone pad to the DB9
terminal of the EPEVER RTU 2G A.
Step3: Install the antenna
Connect the 4G antenna to the antenna port of the EPEVER RTU 2G A.
Website: www.epever.com
Registered GPRS network
Slowly flashing (5s)
successfully
Turn off after a
Correct power supply
flashing
2