Ebyte E70-DTU Manuel utilisateur

E70-DTU (433NW30-GPRS)

Chengdu Ebyte Electronic Technology Co.,Ltd E70-DTU (433NW30-GPRS) User Manual

Content

1.OVERVIEW.....................................................................................................................................................................................2

1.1 INTRODUCTION........................................................................................................................................................................... 2

1.2 FEATURES.....................................................................................................................................................................................2

1.3 SYSTEM PARAMETERS.................................................................................................................................................................. 3

1.4 DIMENSION AND INTERFACE DEFINITION..................................................................................................................................... 4

1.5 INTERFACE DEFINITION................................................................................................................................................................ 5

2 QUICK START................................................................................................................................................................................ 6

2.1 HARDWARE PREPARATION AND COMMUNICATION TESTING......................................................................................................... 6

2.2 WORKING MODE AND FUNCTION.............................................................................................................................................. 11

3 APPLICATION MODEL..............................................................................................................................................................14

4 NOTE..............................................................................................................................................................................................15

VERSION HISTORY.......................................................................................................................................................................16

ABOUT US........................................................................................................................................................................................16

Chengdu Ebyte Electronic Technology Co.,Ltd E70-DTU (433NW30-GPRS) User Manual

1.Overview

1.1 Introduction

E70-DTU (433NW30-GPRS) is a wireless modem to GPRS network server, which realizes the transparent

transmission of Sub-1G and GPRS network data. The star network module integrates the host (coordinator) and

the terminal into one, and includes long-distance and high-rate transmission modes. One host (coordinator)

supports up to 200 nodes to communicate with it, without having to deal with cumbersome networking. The

agreement solves a series of problems caused by the inability of concurrent 433MHz wireless data transmission.

At the same time, the module has built-in power amplifier (PA) and low noise amplifier (LNA), the measured

communication distance can reach 6.5km. On the GPRS network side, the radio supports

LTE-FDD/LTE-TDD/WCDMA/TD-SCDMA/CDMA/GSM wireless communication data transmission,

supporting LTE-FDD, LTE-TDD, DC-HSDPA, HSPA+, HSDPA, HSUPA, WCDMA, TD-SCDMA, CDMA,

EDGE and GPRS network data connections.

E70-DTU (433NW30-GPRS) can be directly connected to the computer host computer through USB cable

and parameter configuration. User-defined parameters can be easily changed without installing a driver. This chapter is a quick

introduction to the E70-DTU (433NW30-GPRS) product. It is the easiest hardware environment to test the E70-DTU (433NW30-GPRS)

network transmission function, which is to realize the two-way transparent transmission of data from the RF module to the network server.

1.2 Features

Meet almost all M2M application needs;

Support data transparent transmission, TCP, UDP network protocol, and heartbeat package, registration package;

Serial port caching is supported. The serial port data can be cached locally before the server is connected;

The maximum downlink rate of GPRS data is 85.6 kbps, and the maximum uplink rate is 85.6 kbps;

Software/hardware double-gate design, stable system, never crash;

Sub-1G radio frequency;

CSMA/CA is supported, which can effectively avoid conflicting carrier multi-channel interception technology;

Supports up to 200 nodes concurrently, without having to deal with cumbersome networking protocols, no need to network via polling;

AES128 data encryption to ensure the reliability of data packets;

Support DSSS spread spectrum technology, similar to LoRa anti-interference, better than traditional GFSK;

Under ideal conditions, the RF radio communication distance can reach 6.5km;

Maximum transmission power 1W, software multi-level adjustable;

Support the global license-free ISM 433MHz band;

Support 5k, 50kbps data transmission rate;

Industrial grade standard design, support for long-term use from -40 to +85 °C;

Use USB to connect to the computer, no need to install the driver, connect to the computer to configure the parameters;

Support 8~28V wide voltage supply, using DC power supply and terminal power supply;

The power supply has good functions such as over-current, over-voltage, and anti-reverse connection.

Chengdu Ebyte Electronic Technology Co.,Ltd E70-DTU (433NW30-GPRS) User Manual

1.3 System parameters

Parameter

type

Parameter Name

The parameter value

Description

NET

Characteristic

parameters

Support Frequency

Quad-frequency: GSM850, EGSM900,

DCS1800, PCS1900

Module can automatically search frequency

Frequency selection can be set with the AT

command

Conform to GSM Phase 2/2+

GPRS Connection

characteristics

GPRS multi-slot class 12 (default)

GPRS multi-slot class 1~12 (configurable)

GPRS mobile station class B

GPRS Data features

GPRS data downlink transmission: up to 85.6

KBPS

GPRS uplink data transfer: up to 85.6 KBPS

Coding formats: cs-1, cs-2, cs-3 and cs-4

Supports the PAP (password verification

protocol) protocol commonly used for PPP

connections

Support for protocols commonly used for

CHAP (query handshake authentication

protocol)

The built-in protocols:

TCP/UDP/FTP/PPP/HTTP/NTP/MMS/SMT

P/PING, etc.

Support for unstructured supplementary data

services (USSD)

The antenna interface

SMA interface, NET signal output, 50ohm

characteristic impedance

Transmission Power

Class 4 (2W)：GSM850 and EGSM900

Class 1 (1W)：DCS1800 and PCS1900

characteristic

parameters

Working mode

coordinator/common node

Can be configured as a coordinator,

common node

Input format

Broadcasting

Default broadcast, configurable as

broadcast, short address + data, long address

+ data

Transmission mode

Long distance

Default long distance, configurable for long

distance, standard transmission

Transmission power

Extreme high

The default is extremely high and can be

configured to be extremely high, high,

medium and low

Concurrent

performance

High

Default high, configurable to low, medium,

high, and very high

Output format

Valid data（transparent）

Default valid data (transparent),

configurable as valid data + long address,

valid data + short address, valid data +

RSSI, valid data + long address + short

address, valid data + long address + RSSI,

valid data + short address +RSSI, valid data

+ long address + short address + RSSI

Restart parameter

Default 60, configurable to 0 or 60--65535,

decimal

PANID

65535

Default 65535, configurable to 0-65535,

decimal

Sleep time

Default 6，can be set to 2--60

Baud rate

115200 bps

Cannot be changed

Antenna

SMA

RF signal output，50 ohm impedance

System

parameters

Current consumption

（Typical）

43.1392mA@12V

In idle, no transmission

Working temperature

-30℃~+70℃

Extending -40℃~+85℃

Working voltage

DC 8~28V

Recommend 12V/24V

Size

108*75*37mm

Average（antenna not included）

Chengdu Ebyte Electronic Technology Co.,Ltd E70-DTU (433NW30-GPRS) User Manual

1.4 Dimension and interface definition

3GPP

1 Timeslot

2 Timeslot

4 Timeslot

CS-1

9.05kbps

18.1kbps

36.2kbps

CS-2

13.4kbps

26.8kbps

53.6kbps

CS-3

15.6kbps

31.2kbps

62.4kbps

CS-4

21.4kbps

42.8kbps

85.6kbps

Chengdu Ebyte Electronic Technology Co.,Ltd E70-DTU (433NW30-GPRS) User Manual

1.5 Interface definition

NO.

Name

Function

Grounding screw

Ground connection

DC8~28V

Power adapter interface, power supply range 8~28V, recommended 12V/24V

DC8~28V-

Power reference ground

DC8~28V+

Power input, power supply range 8~28V, 12V/24V is recommended

Reset

System reset button

USB

Micro USB：parameter configuration interface

Chengdu Ebyte Electronic Technology Co.,Ltd E70-DTU (433NW30-GPRS) User Manual

Reload

Press 4~10s to restore the factory Settings

PWR

Red: power indicator

WORK

Yellow: data transmission indicator light; The light flashes when there is data transmission

LINK

Yellow: network indication, always on when in network

NET

4 G/GPRS antenna interface (SMA - K external thread hole, 50 Ω characteristic impedance)

SIM

SIM card slot

RF antenna interface (SMA - K external thread hole, 50 Ω characteristic impedance)

Note: It is recommended to connect the housing to the ground with a grounding screw.

2 Quick start

2.1 Hardware preparation and communication testing

Before the test, connect the power supply, USB cable, SIM card (insert the gap outwards), antenna and other hardware

according to the recommended circuit. If the power cable is successfully connected, the PWR indicator will always be on.

E70-DTU (433NW30-GPRS) and E70-433NWxx

5V—20V power adaptor

USB to TTL test board and USB cable

GPRS/LTE sucker antenna

Chengdu Ebyte Electronic Technology Co.,Ltd E70-DTU (433NW30-GPRS) User Manual

Access the official website of Chengdu Ebyte: www.ebyte.com, download the latest E70-DTU (433NW30-GPRS) series product configuration

tool, serial port assistant. (This article uses XCOM), install USB to 232/485 driver, run software!

1. After connecting the E70-433NWxx module to the USB to TTL module, open the serial port assistant XCOM and send “+++” (do not send

new line) module to reply “Enter AT Mode\r\n” to enter the AT configuration state. ; then send "AT+WMCFG=1" (send new line), the module

replies "\r\n+OK\r\n", indicating that the E70-433NWxx module is configured as normal node mode successfully; finally sends "AT+RSTART"

(send New line), the module replies with "Module Restart\r\n" and restarts the module.

2. 2. Open the official E70-DTU (433NW30-GPRS) configuration tool. If the USB is properly connected, the message box on the right

will prompt “Device Ready”. Click the “Enter Configuration Status” button in the “Common Commands and Prompts” box. , that is,

enter the 4G/2G network transparent transmission configuration mode, the current message box will display the current 4G/2G

configuration information one by one, and automatically obtain the IMEI code and SN code of the 4G/2G network transparent

transmission module.

Chengdu Ebyte Electronic Technology Co.,Ltd E70-DTU (433NW30-GPRS) User Manual

3. After entering the 4G/2G network transparent transmission configuration mode, you can configure the parameters of the 4G/2G

module in the Related Parameter Settings box. After the configuration is complete, click the “Save Parameters” button and the host

computer will prompt “Save all”. The parameter was successful." After completion, as shown below:

4. Switch from "4G/2G Network Transparent Transmission" to "RF", and the related information such as the device model will be

displayed in the message box on the right. The user configures the RF module in the "Related Parameter Settings". After the

configuration is completed, click the "Save Parameters" button. After completion, as shown below:

Chengdu Ebyte Electronic Technology Co.,Ltd E70-DTU (433NW30-GPRS) User Manual

5. After the module parameters are configured, click the “Module Restart” button in the “Common Commands and Prompts” box to

make the modified 4G/2G parameters and RF parameters take effect and the system automatically enters the communication state.

After completion, as shown below

6. After entering the communication state, if the LINK indicator is always on and the AUX indicator of the USB to TTL module is off within 30

seconds, it means that E70-DTU (433NW30-GPRS) is connected to the server, and E70-433NWxx module and E70- The DTU

(433NW30-GPRS) connection is successful, and the network can be transparently transmitted at this time.

7. The mobile phone pays attention to the “Ebyte Internet of Things Application Expert” WeChat public ID, enter the page, click: Customer

Support->Device Test, the screenshot of the mobile phone is as follows:

8. Use the serial port assistant to send data to the E70-433NWxx module. If the E70-DTU (433NW30-GPRS) receives the data

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