Ebyte E800-DTU Manual de usuario

ZigBee Ad Hoc Network Wireless Modem

E800-DTU(Z2530-485-27) User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd.

E800-DTU Wireless Data Transmission Modem E800-DTU(Z2530-485-27) User Manual

1. Introduction

1.1. Product Introduction

The E800-DTU (Z2530-485-27) is a ZigBee-based wireless modem with various functions such as transparent transmission,

protocol transmission, and AT configuration etc. As a communication medium, wireless data transmission modem has certain

scope of application same as fiber, microwave and bright line. It provides real-time, reliable data transmission of monitoring

signals in private networks under special conditions, featuring low cost, convenient installation and maintenance, strong

diffraction ability, flexible networking structure and long coverage, and suitable for the occasions with many points while

scattered and complex geographical environment. It can be connected to data terminals such as PLC, RTU, rain gauge and level

gauge.

1.2. Features

★All core components are original imported, Compared with the current imported wireless modem, it features the most

advanced, the smallest and has the best price.

★Different transmit power are available, and all technical indicators meet European industrial standards.

★With a temperature compensated crystal, the frequency stability is better than ±2ppm.

★Operating temperature range: -40 to +85 DEG C, adapt to the harsh working environment, the real industrial products.

★All aluminum alloy casing, compact size, easy installation, good heat dissipation; perfect shielding design, good

electromagnetic compatibility and strong anti-interference ability.

★Multiple protection functions such as reverse power protection, over-current protection, and antenna surge protection greatly

increase the reliability of the radio.

★Powerful software features, all parameters, such as power, frequency, address ID, etc., can be programmed.

★Built-in watchdog, and precise time layout, once an exception occurs, the module will automatically restart, and can continue

to work according to the previous parameter settings.

E800-DTU Wireless Data Transmission Modem E800-DTU(Z2530-485-27) User Manual

1.3. Characteristics

No.

Characteristics

Description

Role switching

The user can use the serial port command to let the device switch between the three types of coordinator,

router and terminal.

Automatic networking

Supports power-on automatic networking. The coordinator automatically builds up the network by power,

and the terminals and routers automatically search and join the network.

Network self-healing

Lost network automatic reconnection function. The network intermediate node is lost, and other networks

automatically join or maintain the original network. (The isolated node automatically joins the original

network, and the non-isolated node maintains the original network.)

The coordinator is lost and there are non-isolated nodes in the original network. The coordinator can join

the network again or the coordinator of the original PAN_ID set by the same user can join the original

network.

Data retention time

setting

In the state of the coordinator and router, the user can set the data storage time and use it in conjunction

with the terminal in the sleep mode to save the data of the terminal device and send the data to the terminal

after the terminal wakes up.

Save up to 3 pieces of data, if it is exceeded, automatically clear the first data! After the data is saved, the

data heap is automatically cleared.

Automatic resend

In single broadcast(point transmission) mode, when the device fails to send to the next node, it

automatically retransmits every message three times.

Automatic routing

The module supports network routing function. Routers and coordinators carry network data routing

functions, and users can form multi-hop networks.

Support encryption

protocol

The module uses AES 128-bit encryption to change network encryption and anti-listening. Users can

change the network key by themselves, and the devices with the same network key can communicate

normally.

Support Serial Port

Configuration

Module built-in serial instructions, users can configure (view) the parameters and functions of the module

through the serial instructions.

Multi-type data

communication

Supports all-network broadcast, multicast and on-demand (single broadcast) functions. Several

transmission methods are also supported in broadcast and single broadcast modes, please refer to the

details.

Multiple working mode

selection

It supports three working modes: transparent transmission mode, semi-through mode, protocol mode, and

user can switch freely.

Channel change

Supports 16 channel changes from 11 to 26 (2405~2480MHZ), and different channels correspond to

different frequency bands.

Network PAN_ID change

Any switch of the network PAN_ID, the user can customize the PAN_ID to join the corresponding

network or automatically select the PAN_ID to join the network.

Serial Port Baud Rate

Change

The user can set the baud rate up to 1M, default digit is 8 bits, stop bit is 1 bit, no parity bit.

Short address collection

The user can find the corresponding short address according to the module MAC address (unique, fixed)

that has joined the network.

Instruction format

switching

This module supports AT command and HEX command, which are easy to configure.

Module reset

The user can reset the module through the serial port command.

One-click Recovery Baud

Rate

This module supports one-button recovery of baud rate. This function can be used when the user forgets

the baud rate. The default baud rate is 115200.

Restore factory settings

Users can restore the factory settings of the module through serial port commands.

1.4. Serial Products

SN.

Model Number

RF Chip

Frequency

Air Data Rate

bps

Power

dBm

Interface

Distance

Antenna Interface

E800-DTU

(Z2530-485-27)

CC2530

2.4G

250K

RS485

2.5

SMA-K

E800-DTU

(Z2530-485-20)

CC2530

2.4G

250K

RS485

1.0

SMA-K

★The E18 modules can communicate with the above model★

E800-DTU Wireless Data Transmission Modem E800-DTU(Z2530-485-27) User Manual

2. Installation Size

2.1. Department instructions

Pin No.

Name

Function

Description

3.81mm Terminals

Communication interface

power interface

Standard RS-485 interface and crimped power interface

PWR-LED

Power Indicator

Red, always on when the power is turned on

TX-LED

Sending indicator

Yellow, flashing when sending data

RX-LED

Receiving indicator

Yellow, flashing when receiving data

LINK-LED

Connection indicator

Red, be off when connected to the network, always on when there is no

network.

RUN-LED

Running lights

Red, system operation instructions, extinguish means normal operation,

constant light means running error.

Baud Rate Reset Switch

Tact Switch

Press and reset the baud rate(115200)

Antenna interface

SMA-K interface

External thread, 10mm long, characteristic impedance 50Ω

E800-DTU Wireless Data Transmission Modem E800-DTU(Z2530-485-27) User Manual

2.2. Product Size

单位：毫米

E800-DTU Wireless Data Transmission Modem E800-DTU(Z2530-485-27) User Manual

3. Interface Definition

3.1. Power Interface Description

The user needs to use the VCC and GND terminal in ①to supply power. The E800-DTU can be powered by 8~28V DC. It

is recommended to use 12V or 24V DC power supply.

3.2. RS485 Interface Description

The E800-DTU (Z2530-485-27) usesthe RS485 communication protocol. Howto connect the communicationcable, please

select the corresponding interface crimping wire in the ①3.81mm terminal block. See belowfor details.

Pin No.

Definition

Function

Description

VCC

Crimp power connector, positive

8~28V DC, 12V or 24V is recommended

GND

Crimp power connector, positive

The negative pole of the power supply is connected to the

system and the housing.

AGND

Common ground interface

It can be connected with the grounding end of external

equipment, or can not be processed.

RS485-B

Serial port terminal

Externally connected to the B of other RS485 devices

RS485-A

Serial port terminal

Externally connected to the A of other RS485 devices

★Note: The modem will be poor communication when connecting multiple devices, while connecting a single device is not, please

try to parallel connect 120Ωresistor between 485_A terminal and 485_B terminal.

E800-DTU Wireless Data Transmission Modem E800-DTU(Z2530-485-27) User Manual

4. Function

4.1. Working Mode

Mode

Node Type

Description

Data communication

display mode

Mode1

（Transparent

transmission mode）

Coordinator

Serial data is transmitted to non-sleeping devices in the network through

broadcasting.

Data carrier formats can be

configured by instructions:

1. Display the mac address

of sender

2. 2Display the short

address of sender

3. Display the RSSI value

of the shortest path of the

message

（Configure display mode

as no display and any one or

more display modes ）

Router

The serial port data is transparently transmitted to the coordinator through

on-demand. （Note：The end device cannot receive the transparent data

of mode 1 in sleep mode）

Terminal

Mode 2

（Semi-transparent

mode）

Coordinator

The module transmits in a full protocol according to the fixed format of the

data transmission.On-demand, broadcast, multicast are available.

Please refer to "HEX Data Communication Instructions" for details.

Router

The serial data is transparently transmitted to the coordinator via on-demand.

Terminal

Mode3

（Protocol mode）

Coordinator

The module transmits in a full protocol according to the fixed format of the

data transmission.On-demand, broadcast, multicast are available.

Please refer to "HEX Data Communication Instructions" for details.

N/A

Router

Terminal

Note: Only mode 3 can be selected for GPIO function configuration. Any mode can communicate with each other without affecting each other.

4.2. Introduction to protocol mode communication

No.

Usage

method

Description

Broadcast

In the case of joining the network, users can broadcast on the whole network according to the instructions (divided into

three broadcast modes)

1、Broadcast mode 1 ——The message is broadcast to all devices in the network.

2、Broadcast mode 2 ——The message is broadcast to devices that only receive on (except sleep mode).

3、Broadcast mode 3 ——The message is broadcast to all full-featured devices (routers and coordinators).

Group

broadcast

In the case of joining the network, users can multicast all the non-dormant devices in the network.

point

broadcast

In the case of joining the network, users can communicate with devices on the network in a short address according to the

command (divided into three broadcast modes)

1、Transparent transmission——（No information carried）

2、Short address method——（Short address as the carried information）

3、MAC address method——（MAC address as the carried information）

Note: Please refer to the “HEX Data Communication Instructions” for details.

E800-DTU Wireless Data Transmission Modem E800-DTU(Z2530-485-27) User Manual

5. Quick Start

5.1. Use Connection Diagram

• ZigBee ad hoc network module is simple and easy to use. In order to let users be familiar with this products quickly, this

section will guide users to configure and communicate in various modes through simple configuration. The default operation

mode is mode 3 (protocol mode).

5.2. Network formation and communication

E800-DTU Wireless Data Transmission Modem E800-DTU(Z2530-485-27) User Manual

No.

Note

【Create network】：

①Connect the Zigbee-DTU through USB to RS485 board.

②Open the PC software "Zigbee_Setting_V1.1", select the port number, set the serial baud rate (default 115200),

and open the serial port.；

③Click “Read Parameters‘’ to read module parameters

④Select the node type as the coordinator and write the parameters. Wait for the coordinator to start creating the

network, and the user can view the module parameters.

Configure network parameters：(PAN ID is automatic when it’s FFFFFF)

E800-DTU Wireless Data Transmission Modem E800-DTU(Z2530-485-27) User Manual

Read parameters after the network is built:

⑤Choose another module and set it as a router or terminal according to the same steps (the module default as a

terminal, users don’t need to configure, our test is a terminal).

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