Epever RTU 4G A Quick Start Manual

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HUIZHOU EPEVER TECHNOLOGY CO., LTD

※ Thanks for selecting the EPEVER RTU 4G 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 4G A is a new wireless data transmission terminal based on

the 4G 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 4G 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

Indicators

You can observe the indicators' color and status through the hole❷.

Name

Color

Network indicator

On solid

Red

(LED2)

EPEVER RTU 4G A

❹ Fixing screws

❸ DB9 male connector★

Terminal

Definition

1/2

Floating

VCC2

Power2 (12V/200mA)

GND2

Power GND2

GND1

Power GND1

Floating

RS485-A

RS485-B

VCC1

Power1 (5V/400mA)

Status

Instruction

Correct power supply

Not registered to the network

Slowly

Successfully

registered

TEL: +86-10-82894896/82894112/+86-752-3889706

Sync. Indicator

(LED1)

Power indicator

(LED2)

4. Parameter Configuration

Step1: Connect the DB9 male connector 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 4G A.

Step2: Insert the SIM card and power on the EPEVER RTU 4G 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 4G 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

Server Info

APN

APN User

APN Key

Baud

5. System Connection

EPEVER RTU 4G A can be applied to the following solar street light systems.

Through a 2G/3G/4G signal, users can easily monitor the operating status and

modify the related parameters on the Cloud platform.

Note: The EPEVER RTU 4G 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 4G 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 4G A.

the

flashing (5s)

network

Slowly

Successfully

Green

flashing (5s)

network

Turn off after

Green

Correct power supply

a flashing

Configuration

No modifications are recommended

Different countries have different APN, and please make sure APN

firstly. Products will not be connected to the Internet with fault APN.

China APN: CMNET

Enter it according to the actual

Set it according to the connected controller or inverter

Insert the SIM card in the direction

Website: www.epever.com

registered

the