Ebyte E800-DTU, Z2530-485-27 User Manual

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

1

Role switching

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

2

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.

3

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.

5

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.

6

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.

7

Automatic routing

The module supports network routing function. Routers and coordinators carry network data routing functions, and users can form multi-hop networks.

8

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.

9

Support Serial Port

Configuration

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

10

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.

11

Multiple working mode

selection

It supports three working modes: transparent transmission mode, semi-through mode, protocol mode, and user can switch freely.

12

Channel change

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

13

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.

14

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.

15

Short address collection

The user can find the corresponding short address according to the module MAC address (unique, fixed) that has joined the network.

16

Instruction format

switching

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

17

Module reset

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

18

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.

19

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

Hz

Air Data Rate

bps

Power

dBm

Interface

Distance

km

Antenna Interface

1

E800-DTU

(Z2530-485-27)

CC2530

2.4G

250K

27

RS485

2.5

SMA-K

2

E800-DTU

(Z2530-485-20)

CC2530

2.4G

250K

20

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

1

3.81mm Terminals

Communication interface

power interface

Standard RS-485 interface and crimped power interface

2 PWR-LED

Power Indicator

Red, always on when the power is turned on

3 TX-LED

Sending indicator

Yellow, flashing when sending data

4 RX-LED

Receiving indicator

Yellow, flashing when receiving data

5 LINK-LED

Connection indicator

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

6 RUN-LED

Running lights

Red, system operation instructions, extinguish means normal operation, constant light means running error.

7

Baud Rate Reset Switch

Tact Switch

Press and reset the baud rate(115200)

8 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 ① to 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) uses the RS485 communication protocol. How to connect the communication cable, please

select the corresponding interface crimping wire in the ① 3.81mm terminal block. See below for details.

Pin No.

Definition

Function

Description

1

VCC

Crimp power connector, positive

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

2

GND

Crimp power connector, positive

The negative pole of the power supply is connected to the system and the housing.

3

AGND

Common ground interface

It can be connected with the grounding end of external equipment, or can not be processed.

4

RS485-B

Serial port terminal

Externally connected to the B of other RS485 devices

5

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 120Ω resistor 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

1

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).

2

Group

broadcast

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

3

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

1

【Create network】： ① Connect the Zigbee-DTU through USB to RS485 board. ② Open the PC software "Zigbee_Setting_V1.1", select the port number, set the serial baud rate (default 115200),

and open the serial port.；

③ Click “Read Parameters‘’ to read module parameters

④ Select 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:

⑤ Choose 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).

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

2

【Communication test】： ① Click “fixed point networking” of coordinator and terminal in the host computer. The corresponding

communication information can be shown:

Coordinator：

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

Terminal：

② Point broadcast In order to facilitate user’ observation, this experiment is HEX transmission mode. If you do not know the device address, please enter the corresponding MAC address and click to get the network address. The short address of coordinator is 0.

③ In three modes, enter any content in the sending area and click send. transparent transmission：

Coordinator to terminal：

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

Terminal to coordinator:

Network address： Coordinator to terminal：

发送端网络短地址

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

Terminal to coordinator:

MAC address： Coordinator to terminal：

Coordinator to terminal：

Group broadcast：

发送端网络短地址

发送端 MAC 短地址

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

Broadcast:（The broadcast only performs in mode one, the whole network broadcast mode experiment, and users test other modes themselves.）

Data function transmission needs to embody its own characteristics in the case of multi-node network, users can test themselves!

6. User instruction set

For user convenience, the E800-DTU (Z2530-485-27) module uses two instruction formats, the AT command format and the HEX command format. This DTU defaults as the HEX command mode, in this mode, serial assistant is used to send +++ instructions and enter the temporary AT instruction mode. AT command can be used to configure, input AT + EXIT to exit temporary AT command.

Note：

1 Prompt information for serial data format error HEX command format ： F7 FF AT command format ： +ERROR<CR><LF> 2 Prompt information for coordinator device building network： HEX command format ： FF FF AT command format ： Builded network<CR><LF>

3 Prompt information for devices joining the network HEX command format ： FF AA AT command format ： Joined network<CR><LF>

4 Prompt information for module device has no network or lost network HEX command format ： FF 00 AT command format ： No network<CR><LF> 5 <CR> means：0x0D 6 <LF>means：0x0A

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

6.1. HEX Instruction Set

Instruction description

Instruction format

Instruction examples

Read device type

Send：FE 01 01 FF Return：FB dev_type

Send：FE 01 01 FF Return：FB 02

Read network status

Send：FE 01 02 FF Return：FB nwk_state

Send：FE 01 02 FF Return：FB 01

Read network PAN_ID

Send：FE 01 03 FF Return：FB pan_id

Send：FE 01 03 FF Return：FB 02 F4

Read network key

Send：FE 01 04 FF Return：FB key

Send：FE 01 04 FF Return：FB 11 13 15 17 19 1B 1D 1F 10 12 14 16 18 1A 1C 1D

Read short address of local network

Send：FE 01 05 FF Return：FB ShortAddr

Send：FE 01 05 FF Return：FB F2 EF

Read local MAC address

Send：FE 01 06 FF Return：FB Mac_Addr

Send：FE 01 06 FF Return：FB 89 6C 50 09 00 4B 12 00

Read short address of parent network

Send：FE 01 07 FF Return：FB Coor_shortAddr

Send：FE 01 07 FF Return：FB 00 00

Read MAC address of parent node

FE 01 08 FF Return：FB Coor _Mac_Addr

Send：FE 01 08 FF Return：FB 20 39 EA 0A 00 4B 12 00

Read Network Group Number

Send：FE 01 09 FF Return：FB group

Send：FE 01 09 FF Return：FB 01

Read communication channel

Send：FE 01 0A FF Return：FB channel

Send：FE 01 0A FF Return：FB 0B

Read transmitting power

Send：FE 01 0B FF Return：FB txpower

Send：FE 01 0B FF Return：FB 04

Read serial port baud rate

Send：FE 01 0C FF Return：FB baud

Send：FE 01 0C FF Return：FB 09

Read sleep state (terminal node is valid ）

Send：FE 01 0D FF Return：FB sleep_time

Send：FE 01 0D FF Return：FB 05

Read the save time of node data (router and coordinator are valid)

Send：FE 01 0E FF Return：FB 1E

Read all data of the device

Send：FE 01 FE FF Return：FB all_info

Send：FE 01 FE FF Return：FB 02 01 02 F4 11 13 15 17 19 1B 1D 1F 10 12 14 16 18 1A 1C 1D F2 EF 89 6C 50 09 00 4B 12 00 00 00 20 39 EA 0A 00 4B 12 00 01 0B 04 09 05

Get the short address of any MAC address in the network

Send：FE 09 10 Mac_Addr FF Return：FB shortAddr

Send：FE 09 10 AF 99 E9 0A 00 4B 12 00 FF Return：FB 08 35

Read remote/local GPIO input and output status

Command：FE 04 20 addr gpiox FF Return：FB 20 addr In/Out

FE 04 20 F9 DE 04 FF

Read remote/local GPIO level

Command：FE 04 21 addr gpiox FF Return：FB 21 addr In/Out level

FE 04 21 FF FF 04 FF

Read remote/local PWM status

Command：FE 04 22 addr 22 FF Return：FB 22 addr period duty1 duty2 duty3 duty4 duty5

FE 04 22 FFFF 22 FF Read remote/local ADC status

Command：FE 04 23 addr pin FF Return：FB 23 addr adc_value

FE 04 23 FF FF 01 FF

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

6.2. HEX parameter description

6.2.1. Network type

dev_type： 00 coordinator

01 router 02 terminal（default）

6.2.2. Network Status

nwk_state： 00 No network

01 Network exists

6.2.3. Network PAN_ID

pan_id： 0000~FFFE fixed network PAN_ID FFFF stochastic network PAN_ID

6.2.4. Network Keys

key： 16-bit network key

6.2.5. Network short address

ShortAddr： 2 Byte address

6.2.6. MAC address

Mac_Addr： 8 Byte address

6.2.7. Parent node network short address

Coor_shortAddr：2 Byte address

6.2.8. Parent node MAC address

Coor_Mac_Addr： 8 Byte address

6.2.9. Network group number

group： Group number range 1~99（default 1）

6.2.10. Network Channel

channel： Channel range 11~26（default 11）

6.2.11. Transmit power

txpower：

Power parameter txpower comparison table without PA/with PA

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

txpower

power (dBm)

txpower

Power (dBm)

00

-3 / 7 03

2.5 / 24

01

-1.5 / 19

04

4.5 / 27 （default）

02

0 / 22 05

6.2.12. Serial Port Baud Rate

baud：

Baud rate parameters comparison table

baud

Baud rate

baud

Baud rate

00

2400 08

76800

01

4800 09

115200（default）

02

9600 0A

128000

03

14400

0B

230400

04

19200

0C

256000

05

38400

0D

460800

06

43000

0E

921600

07

57600

0F

1000000

6.2.13. Sleep time

sleep_time： 0 Sleep state is off（default）

Others（1~250） Sleep mode is turned on. Sleep_time unit S (seconds)

6.2.14. Parent node save time

time： Range 0~120（default 30），Unit: S（Seconds）

6.2.15. User gpio parameters

（1）gpio Port gpiox：

User gpio port comparison table

gpiox

00

01

02

03

04

05

06

07

08

09

GPIO

P0_0

P0_1

P0_2

P0_3

P0_4

P0_5

P0_6

P2_0

P2_1

P2_2

For example ： When the GPIO parameter is 2, the corresponding pin position is P_2.

When the gpio parameter is 8, the corresponding pin position is P2_1.

（2）gpio Input and output status

in/out： 1 Input status

0 Output status

（3）gpio state value（Invalid configuration input status）

level： 0 Low level

1 High level 2 turn

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

6.2.16. User pwm parameters

（1）pwm port pwmx：

User pwm port comparison table

pwmx

duty1

duty2

duty3

duty4

duty5

GPIO

P0_2

P0_3

P0_4

P0_5

P0_6

（2）pwm cycle

period：（0~FFFF）

Cycle time （Unit 1 = 62.5ns）

（3）pwm duty cycle time

dutyx：（0~FFFF）：

duty cycle time （Unit 1 = 62.5ns）

6.2.17. User ADC parameters

（1）adc passageway

adcx：

User adc channel comparison table

adcx 0 1 2 3 4 5

6

GPIO

P0_0

P0_1

P0_2

P0_3

P0_4

P0_5

P0_6

（2）adc state value

adc_state： 0 ADC Enable

1 ADC Turn off （3）adc sample value

adc_value： 0~0X0CE4 （0~3300） Unit mV

6.2.18. Peripheral addr parameter description

（1）Peripheral function address

addr：

FFFF View/configure local information 0~FFF8 View/configure information of network address addr FFFE、FFFD、FFFC Device view/configure information that can receive broadcasts

---FFFE Broadcast to all devices in the network

---FFFD Broadcast to idle receiving devices（Except for sleeping devices）

---FFFC Broadcast to the coordinator and router

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

6.2.19. All information

（1）All information

all_info：

Info. identification （Info. lengt（Info. location））Info. description

dev_type （1 Byte（0）） Device type nwk_state （1 Byte（1）） Network status pan_id （2 Byte（2~3）） Network PAN_ID key （16 Byte（4~20）） Network key ShortAddr （2 Byte（21~22）） Network short address Mac_Addr （8 Byte（23~30）） MAC address Coor_shortAddr （2 Byte（31~32）） Network short address of parent node Coor_Mac_Addr （8 Byte（33~40）） MAC address of parent node group （1 Byte（41）） Network group number channel （1 Byte（42）） communication channel txpower （1 Byte（43）） Transmit power baud （1 Byte（44）） Serial port baud rate sleep_time （1 Byte（45）） sleep state

Examples of detailed parameters：

all_info：

020102 F411 13 15 17 19 1B 1D 1F 10 12 14 16 18 1A 1C 1DF2 EF89 6C 50 09 00 4B 12 0000 0020 39 EA 0A 00 4B 12 00010B040905

➢ device type： 02 （terminal） ➢ Network state： 01 （already existed in network） ➢ Network PANID： 02 F4 （PAN_ID=0X02F4） ➢ Network key： 11 13 15 17 19 1B 1D 1F 10 12 14 16 18 1A 1C 1D ➢ Short address of local network ： F2 EF （Short Address=0XF2EF） ➢ Local MAC address： 89 6C 50 09 00 4B 12 00 ➢ Short Address of parent node： 00 00（Short Address=0X0000） ➢ MAC address of parent node： 20 39 EA 0A 00 4B 12 00 ➢ Network group number： 01 （Network group number 1） ➢ Network channel： 0B （channel 11） ➢ Transmit power： 04 （Transmit power 4.5dBm） ➢ Serial port baud rate： 09 （Baud rate 115200） ➢ Sleep time： 05 （Sleep state is on, sleep time is 5s）

（Note: Parent node retention time is not included in all information. If you need to configure or query, please use the

corresponding instructions separately.）

6.3. HEX data communication description

6.3.1. Command Format Description

（Note: Only for all nodes of Mode 3 or coordinators of Mode 2）

Command（COM）1Byte

Data Length（LEN）1Byte

Data content（DATA）

FC

LEN

DATA

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

6.3.2. Detailed parameter description

DATA parameter description：

（1）Broadcast data（data is the content ready to send）

Command：01+type+data parameter description：type

01：Broadcast mode 1 ——The message is broadcast to all devices in the network 02：Broadcast mode 2 ——The message is broadcast to devices that only reception on (except sleep mode) .

03：Broadcast mode 3 ——The message is broadcast to all full-function devices(routers and coordinators)

Example：FC 05 01 02 31 32 33

Example explanation：Sending HEX data to network broadcast in broadcast mode 2：0X31 0X32 0X33

（2）Group braodcast data（data is the content ready to send）

Command：02+ group+data parameter description：group 0~99：Multicast number of message in group broadcast

Example：FC 05 02 01 31 32 33

Example explanation：Send HEX data to network group number 1：0X31 0X32 0X33

（3）Point broadcast（single broadcast）data（data is the content ready to send）

Command：03+ type +addr+data parameter description： type （Coordinator in Mode 2，the parameter is invalid and can be set any value ）

01：Transparent transmission mode（No carry information） 02：Short address mode（Carrying information as a short address） 03：MAC address mode（Carrying information as MAC address）

parameter description ： addr ： Network short address valid point broadcast （ single broadcast ） address

0x0000—0xFFF8）

Example：FC 07 03 01 AB CD 31 32 33

Example explanation：Send HEX data carrying a short address to a device with a network address of 0XADCD：0X31 0X32

0X33

6.4. AT Instruction set

6.4.1. AT+DEV

Function：Query/configure device types Format：

Query Send：AT+DEV= type Return：+OK<CR><LF>

Configure Send：AT+DEV=?

Return：DEV= type<CR><LF> Parameter： type

C Coordinator R Router E terminal

Example：AT+DEV=C

Default：DEV=E

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

6.4.2. AT+EXIT

Function：Exit temporary AT command。（It is valid when the P1_6 pin is pulled low to enter the AT command.） Format：configure

send：AT+EXIT return：+OK<CR><LF> example：AT+EXIT

6.4.3. AT+MODE

Function：Query/Configure Work Mode Format：query

send：AT+MODE=? return：MODE=type<CR><LF>

Configure send：AT+MODE=mode return：+OK<CR><LF>

Parameters：mode

1 Mode 1 （Transparent mode） 2 Mode 2 （Semi-transparent mode） 3 Mode 3 （Protocol mode）

Example：AT+MODE=3 Default：MODE=3

6.4.4. AT+RMODE

Function：Query/Configure communication Display Mode Format：query

send：AT+RMODE=?

return：RMODE=type<CR><LF>

configure

send：AT+RMODE=type

return：+OK<CR><LF>

Parameter： rmode（1 on 0 off ；value：0-7 ）

0bit ：Show MAC address of sender 1bit ：Show short address of sender 2bit ：Show the RSSI value of the shortest path of the message

Example：AT+RMODE=0 Default：RMODE=0

6.4.5. AT+NWK

Function：Query device type Format：query

send：AT+NWK=? return：NWK=nwk_state<CR><LF> Parameter：nwk_state

0 No network

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

1 network existed

Example：AT+NWK=？

6.4.6. AT+PANID

Function：Query/configure network PANID Format：query

send：AT+PANID=? return：PANID=panid<CR><LF>

configure send：AT+PANID=mode return：+OK<CR><LF>

parameters：panid

0000-FFFE fixed PANID FFFF random PANID

Example：AT+ PANID=0XA1B2

6.4.7. AT+KEY

Function：Query/configure network key Format：query

send：AT+KEY=? return：KEY=key<CR><LF>

configure send：AT+PANID=mode return：+OK<CR><LF>

parameters：key

The network key of 16 Byte

Example：AT+ KEY=01030507090B0D0F00020406080A0C0D Default：KEY=01030507090B0D0F00020406080A0C0D

6.4.8. AT+SHORT_ADDR

Function：Query local network address Format：query

send：AT+SHORT_ADDR =? return：SHORT_ADDR=shortaddr<CR><LF> Parameter：shortaddr

0000-FFFF network short address

Example：AT+SHORT_ADDR=?

6.4.9. AT+MAC_ADDR

Function：Query/configure network PANID Format：query

send：AT+MAC_ADDR=? return：MAC_ADDR=macaddr<CR><LF> Parameter：macaddr

8 Byte MAC address（The only IEEE ID）

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

Example：AT+MAC_ADDR=?

6.4.10. AT+COOR_SHORT_ADDR

Function：Query the short address of parent node Format：query

send：AT+COOR_SHORT_ADDR=? return：COOR_SHORT_ADDR=macaddr<CR><LF> Parameter：macaddr

8 Byte MAC address（the only IEEE ID）

Example：AT+COOR_SHORT_ADDR=?

6.4.11. AT+COOR_MAC_ADDR

Function：Query the MAC address of parent node Format：query

send：AT+COOR_MAC_ADDR=? return：COOR_MAC_ADDR=macaddr<CR><LF> Parameter：macaddr

8 Byte MAC address（The only IEEE ID）

Example：AT+COOR_MAC_ADDR=?

6.4.12. AT+GET_SHORT_ADDR

Function：Query the short addresses of any MAC device in network Format：query

send：AT+GET_SHORT_ADDR=macaddr return：GET_SHORT_ADDR=shoraddr<CR><LF> Parameter：macaddr

8 Byte MAC address（The only IEEE ID） shoraddrt The queryed short address of device

Example：AT+GET_SHORT_ADDR=4B805A3D25741200

6.4.13. AT+GROUP

Function：Query/configure network group number Format：query

send：AT+GROUP=?

return：GROUP=group<CR><LF> configure

send：AT+GROUP=group return：+OK<CR><LF> Parameter：group（0~99）

local group number

Example：AT+GROUP=group Default：GROUP=1

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

6.4.14. AT+CH

Function：Query/configure Wireless Channel Format：query

send：AT+CH=?

return：CH=ch<CR><LF> configure

send：AT+CH=ch return：+OK<CR><LF> Parameters：ch（11~26）

Wireless channel

Example：AT+CH=11 Default：CH=11

6.4.15. AT+TXPOWER

Function：Query/configure wireless transmit power Format：query

send：AT+TXPOWER=?

return：CH=txpower<CR><LF> configure

send：AT+TXPOWER=txpower return：+OK<CR><LF> Parameter：txpower（0~4）

transmit power（Refer to the power comparison table for details.）

Example：AT+TXPOWER=4 Default：TXPOWER=4

6.4.16. AT+UART

Function：Query/configure serial port baud rate Format：query

send：AT+UART=?

return：UART=baud<CR><LF> configure

send：AT+UART=baud return：+OK<CR><LF> Parameter：baud（0~15）

serial port baud rate（Refer to the power comparison table for details）

Example：AT+UART=9 Default：UART=9

6.4.17. AT+SLEEP

Function：Query/Configure sleep mode of device（Valid for terminal） Format：query

send：AT+SLEEP=?

return：SLEEP=sleep<CR><LF> configure send：AT+SLEEP=sleep

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

return：+OK<CR><LF> Parameter：sleep

0 Turn off sleep mode 1~250 sleep mode is on，Sleep time is 1~250s

Example：AT+SLEEP=0 Default：SLEEP=0

6.4.18. AT+DATA_TIME

Function：Query/configure data save time（valid for router and coordinator） Format：query

send：AT+DATA_TIME=?

return：DATA_TIME=data_time<CR><LF> configure

send：AT+SLEEP=data_time return：+OK<CR><LF> Parameter：data_time

0~120 data save time，Unit:S

Example：AT+DATA_TIME=30 Default：DATA_TIME=30

6.4.19. AT+SOFT_ID

Function：Query firmware version number Format：query

send：AT+SOFT_ID=?

return：SOFT_ID=soft_id<CR><LF> Parameter：soft_id

firmware version number

Example：AT+SOFT_ID=?

6.4.20. AT+RESET

Function：Device reset Format：configure

send：AT+RESET

return：+OK<CR><LF> Example：AT+ RESET=?

6.4.21. AT+RESTORE

Function：Restore factory settings Format：configure

send：AT+RESTORE

return：+OK<CR><LF> Example：AT+RESTORE=?

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

6.4.22. AT+GPIO_PUT

Function：Configure remote/local GPIO input/output mode Format：configure

send：AT+GPIO_PUT=addr,gpiox,inout

return：+OK<CR><LF> Parameter：addr 0000~FFF8 remote short address device FFFF loval device gpiox (0~9) GPIO port number

input 0 Output status 1 Input status Example：AT+GPIO_PUT=1AC0,5,0

6.4.23. AT+RGPIO_PUT

Function：Read remote/local GPIO input and output mode Format：configure

send：AT+RGPIO_PUT=addr,gpiox

return：RGPIO_PUT=addr,input<CR><LF> Parameter：addr 0000~FFF8 remote short address device FFFF local device gpiox (0~9) GPIO port number input 0 Output state 1 Input state Example：AT+RGPIO_PUT=1AC0,5

6.4.24. AT+GPIO_LEVEL

Function：Read remote/local GPIO input and output mode Format：configure

send：AT+GPIO_LEVEL=addr,gpiox,level

return：+OK<CR><LF> Parameter：addr 0000~FFF8 remote short address device FFFF local device gpiox (0~9) GPIO local device level 0 High level 1 Low level 2 turn Example：AT+GPIO_LEVEL=1AC0,5,2

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

6.4.25. AT+RGPIO_LEVEL

Function：Read remote/local GPIO input and output mode Format: read

send：AT+RGPIO_LEVEL=addr,gpiox

return：RGPIO_LEVEL=addr,input,level<CR><LF> Example：addr 0000~FFF8 remote short address device FFFF local device gpiox (0~9) GPIO port number

input

0 Output state

1 Input state level 0 High Level 1 Low Level Example：AT+RGPIO_LEVEL=1AC0,5

6.4.26. AT+PWM

Function：Configure remote/local PWM input and output modes Format: Configure

send：AT+PWM= addr,period,duty1, duty2,duty3,duty4,duty5

return：+OK<CR><LF> Parameters：addr 0000~FFF8 remote short address device FFFF local device period (Unit 1 = 62.5ns) 0~65535 cycle duty1

0 turn off Others Channel 1 is a square wave with a 50% duty cycle

duty2~ duty5 （0~65535 Unit 1 = 62.5ns）

The PWM of the channel is closed when the pulse width time of the corresponding channel number is 0 or

greater than the period.

Example：AT+ PWM=1AC0,1000,1,500,500,0,500

6.4.27. AT+RPWM

Function：Read remote/local PWM input and output mode Format: read

send：AT+RPWM=addr

return：RPWM=addr,period,duty1,duty2,duty3,duty4,duty5<CR><LF> Parameter：addr 0000~FFF8 remote short address device FFFF local device period (unit 1 = 62.5ns) 0~65535 cycle

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

duty1

0 turn off Others Channel 1 is a square wave with a 50% duty cycle

duty2~ duty5 （0~65535 Unit 1 = 62.5ns）

The PWM of the channel is closed when the pulse width time of the corresponding channel number is 0 or greater

than the period.

Example：AT+RPWM=1AC0

6.4.28. AT+ADC

Function：Read remote/local ADC input Format: read

send：AT+ADC=addr,adcx

return：ADC=addr,val<CR><LF> Parameter：addr 0000~FFF8 remote short address device FFFF local device adcx （0~6） ADC channel val （0~3300） Current acquisition voltage value in mV (millivolts)

Example：AT+ADC=1AC0,5

7. User's Notes

7.1. ZigBee Network Role and Notices

No.

Description

1

This module uses ZigBee network, which consists of a coordinator and any other devices (routers and terminals).

2

It features self-organization, self-routing and multi-hop network. (Default support network depth is 5, total number of sub-nodes is 20, number of sub-routing nodes is 6)

3

The parent node (coordinator and router) can save data for the sleep terminal. The save time can be set by the user (default 30s, range 0~120s).

4

Only the terminal device has a sleep function within 250. The user can set it by itself, and the default is 0 (sleep mode is off). Note: It is recommended that the sleep time must be less than the parent node data save time, otherwise it will affect data reception.

5

Short Address is used in network communication. Note: Short address is randomly allocated when the device joins the network. The long address of the device Mac Address is the only fixed one. If the device does not know the short address, it can search the Short Address in the network through the corresponding instructions according to Mac Address, then to carry out point-to-point communication.

6

The coordinator is unique in the network and the short address is fixed at 0000.

7

If the point broadcast address is FFFF, FFFD, or FFFC, it corresponds to three broadcast modes.

8

When the network parameter PANID is FFFF, it is automatically allocated. If the device PANID is different, it cannot be networked.

9

It cannot join the network if the network key are different. The network keys are all open, users cannot get correct air data through software capture.

10

All devices in the network have broadcasting function on. Multiple devices broadcasting at the same time or broadcasting at a higher frequency of a single device may cause serious network congestion. Please try to avoid this situation.

11

Modules do not need to join this group when group broadcast, and the group broadcast to any group directly according to the communication method. After the group broadcast, the local group number won’t be changed because of different group broadcast number.

12

The PWM function and sleep mode in the network cannot be used at the same time. Please turn off the sleep mode before turning on the pwm function.

13

It can be awaken by serial port after the sleep mode. Remark: In the sleep state, the first frame data awoken by the serial port is invalid.

14

In the ZigBee network communication, the single-packet data transmission period can not be too fast (generally recommended to be more than 1 second), or it may cause data loss.（ if there’s too much nodes in the network, the too fast broadcast cycle may case the unstable network.）

Remark: Please refer to the 《E18_Software_Datasheet_CN_V2.0Communication Protocol Specification》for detailed function parameters.

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

7.2. Network structure

The network structure of this module is a mesh network structure.（MESH）

The network of the MESH topology has powerful functions. The network can communicate by means of “multi-level hopping”; the topology can also form an extremely complex network; the network also has self-organizing and self-healing functions;

8. Practical applications

Ebyte data Transmitter is suitable for all kinds of point-to-point, point-to-multipoint wireless data transmission systems, such as smart home, IoT renovation, power load monitoring, distribution automation, hydrology and water condition monitoring, water pipe network monitoring, urban street lamp monitoring, air defense alarm control, railway signal monitoring, railway water supply centralized control, oil supply and gas pipeline network monitoring, GPS positioning system, remote meter reading, electronic hanging scale, automatic target reporting, seismic forecasting, fire prevention, environmental monitoring and other industrial automation systems. As shown below:

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

9. Notice for Usage

1. In some flammable places (such as coal mines) or near explosive dangerous objects (such as detonators for detonation), this

product should not be operated.

2. Suitable DC regulated power supply should be selected, requiring strong anti-high frequency interference ability, small ripple,

and sufficient carrying capacity; it is better to have over-current, over-voltage protection and lightning protection functions to ensure the normal operation of the product..

3. Do not use in working environment beyond the environmental characteristics of product, such as high temperature, humidity,

low temperature, strong electromagnetic field or large dust environment.

4. Don't let the product continuously be in full load state, otherwise it may burn the transmitter.

5. The ground wire of the product should be well connected with the ground wire of the external device (such as PC, PLC, etc.)

and the power supply. Otherwise, it is easy to burn out the communication interface; do not plug or unplug the serial port.

6. When testing the product, it must be connected with a matching antenna or a 50Ω dummy load, otherwise it will easily

damage the transmitter; if the antenna is connected, the distance between the human body and the antenna should preferably exceed 2 meters to avoid injury; do not touch the antenna when transmitting.

7. In different environment it has different transmission distance, which affected by temperature, humidity, obstacle density,

obstacle volume, electromagnetic environment; In order to ensure stable communication, it is recommended to reserve more than 50% communication distance margin.

8. If the measured communication distance is not ideal, it is suggested to improve the communication distance by analyzing the

antenna quality and the installation mode of the antenna. You can also contact support@cdebyte.com for help.

9. When selecting the power supply, pls note to keep 50% of the current margin and the ripple should not exceed 100mV.

10. Important Statement

1. All rights to interpret and modify this manual belong to Ebyte.

2. This manual will be updated based on the upgrade of firmware and hardware, please refer to the latest version.

3. Please refer to our website for new product information.

Technical support：support@cdebyte.com Documents and RF Setting download link：http://www.ebyte.com/en/ Tel：+86-28-61399028 Ext. 812 Fax：028-64146160 Web：www.cdebyte.com/en/

Address：Innovation Center B333-D347, 4# XI-XIN Road,Chengdu, Sichuan, China

Ebyte E800-DTU, Z2530-485-27 User Manual

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