Ebyte E870-w1 User manual

E870- W1

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

Contents

1. Overview .................................................................................................................................................................... 4

1.1. Product introduction ........................................................................................................................................ 4

1.2. Features ............................................................................................................................................................4

2. Quick use .................................................................................................................................................................... 5

2.1. Equipment preparation .................................................................................................................................... 5

2.2. Device connection ........................................................................................................................................... 5

2.2.1. Connect platform ..................................................................................................................................5

2.2.2. Connect to self-built server .................................................................................................................. 8

2.2.3. AI analog input connection ................................................................................................................ 11

2.2.4. D I digital input connection ................................................................................................................11

2.2.5. Relay output connection .....................................................................................................................11

2.3. Transparent use ..............................................................................................................................................12

3. Technical Parameters ................................................................................................................................................13

3.1. Specifications ................................................................................................................................................ 13

3.2. Mechanical Dimensions ................................................................................................................................ 14

3.3. Interface description ......................................................................................................................................15

3.4. Description of LED indicators ...................................................................................................................... 16

3.5. Serial port description ................................................................................................................................... 17

4. Product function introduction ...................................................................................................................................18

4.1. DO output ...................................................................................................................................................... 18

4.1.1. Level output ........................................................................................................................................18

4.1.2. Following mode ..................................................................................................................................18

4.1.3. Active reporting of status ................................................................................................................... 19

4.2. DI input ..........................................................................................................................................................19

4.3. AI input mode ................................................................................................................................................19

4.3.1. Analog range .......................................................................................................................................19

4.3.2. Active reporting of status ................................................................................................................... 20

4.4. Network transparent transmission mode .......................................................................................................20

4.5. MQTT mode ..................................................................................................................................................21

4.5.1. Ali Cloud ............................................................................................................................................ 21

4.5.2. Baidu cloud .........................................................................................................................................22

4.5.3. One NET Cloud ..................................................................................................................................24

4.5.4. Standard MQTT3.1.1 ......................................................................................................................... 25

5. Special feature .......................................................................................................................................................... 26

5.1. Ebyte Cloud Modbus to JSON ......................................................................................................................26

5.2. Alibaba Cloud Modbus to JSON ...................................................................................................................26

5.3. Edge acquisition ............................................................................................................................................ 26

5.4. Registration package ..................................................................................................................................... 26

5.5. Heartbeat packet ............................................................................................................................................ 26

5.6. Firmware upgrade ..........................................................................................................................................27

5.7. Hardware factory reset .................................................................................................................................. 27

6. Configuration method ...............................................................................................................................................28

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

6.1. Host computer configuration .........................................................................................................................28

6.2. Management platform configuration ............................................................................................................ 28

6.3. AT configuration command and network command configuration .............................................................. 28

7. About customization .................................................................................................................................................29

8. Revision History .......................................................................................................................................................30

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

1. Overview

1.1. Product introduction

E870-W1 is a WiFi cloud IO gateway developed based on the

communication protocol "Ebyte Cloud Device Communication

Protocol" developed by our company. It works in the 2.4G

frequency band. It can send commands to the device through the

server to achieve control or acquisition functions. Open on the

device 4-way DI, 2-way AI (4-20mA) input, 2-way DO output,

support TCP client protocol and MQTT access, support heartbeat

package, registration package settings; at the same time, the

product supports multiple configuration methods and supports

web platform;

At the same time, the product supports multiple configuration methods and supports web platforms;

Support acquisition and control edge RTU nodes, and can also be used as RTU equipment to analyze Modbus

command acquisition and control equipment IO ;

Industrial-grade design standards are adopted to ensure high reliability of the equipment .

1.2. Features

Support the open protocol of "Ebyte Cloud Device Communication Protocol"

Support Ebyte cloud platform remote management

Support edge acquisition control 20 M odbus RTU data points

Support change reporting, periodic reporting and other reporting methods

Support adding edge computing formulas for uplink and downlink data

Support Alibaba Cloud object model JSON protocol reporting

Support device linkage

Support 4-way Socket independent connection to user-defined server

Support TCPC, UDPC, MQTT3.1.1 protocol

Support registration package, heartbeat package

Support Ebyte cloud platform, host computer, network and other configuration methods

Support multi-link edge acquisition function, support Modbus to automatically add CRC check;

2-way analog input ( 4-20mA ) ;

4 -way switch input DI (dry contact );

2 -way switch output DO (Form A relay);

Switch output (DO) supports level mode and follower mode ;

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

2. Quick use

[Note] This experiment needs to be carried out with the default factory parameters.

2.1. Equipment preparation

The following table lists the materials required for this test:

One computer, one E870-W1 device, one normal networked router, one 485 to USB data cable

2.2. Device connection

2.2.1. Connect platform

Step 1: Connect the power supply of the device ( DC 8-28V ), turn on the upper computer of the device, fill in the

name and password to connect to the WiFi, and ensure that the device can access the Internet normally;

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

Step 2: Use a browser to log in to cloud.ebyte.com, register and log in to the ebyte cloud platform, after

successfully entering the platform:

①Click on the left column box "Device Management"

②Click "Device Model" to enter to create a device model, select "Add Device Model"

③Input relevant parameters, click "Add Slave", select "Ebyte Cloud IO", "Built-in IO", "E870-W1", enter the

name of the slave, click "Save", and click "Confirm to add", that is Device models can be created.

④Click "Device Instance", enter and click "Add Device"

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

⑤"Equipment model" select the previously created E870-W1 model, then enter the SN code on the back of the

device, fill in other parameters according to your needs, click "OK to add" to create the device.

⑥Restart the device, and when the STATE light of the device is always on, the device can be seen online on the

platform.

⑦Click "Device Operation and Maintenance" and "Online Debugging" on the platform, and click "Debug" behind

the device to enter the device debugging interface. Enter the corresponding command to control the device.

⑧Or click "Device Instance" and click "Device Details" of the online device, you can see the information of the

device data points in the device details, and you can read the data or operate the device on the interface.

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

Finally, click the control button of DO to execute the output of DO to the device;

2.2.2. Connect to self-built server

Step 1: Connect the power supply of the device ( DC 8-28V ), turn on the upper computer of the device, fill in the

name and password to connect to the WiFi, and ensure that the device can access the Internet normally;

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

Step 2: Use "Net Assist " to build a user server:

Step 3: Select TCP/UDP transparent transmission in channel 1 of the host computer, fill in the correct server

parameters, and configure it as TCP client mode, destination address, destination port, etc., as shown in the figure

below:

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

Step 5: After configuring the parameters, save and restart. When the STATE light is always on, the device has been

connected to the server platform normally, and waits for the edge of the device to collect parameters and report.

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

2.2.3. AI analog input connection

Figure 7 Schematic diagram of AI acquisition connection

2.2.4. D I digital input connection

DI acquisition connection

2.2.5. Relay output connection

DO output connection

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

2.3. Transparent use

Select channel 1 to configure TCP / UDP transparent transmission, fill in the target server parameters, select TCPC

mode, and target address 112.54.89.224 . ( Users can configure it as their own public network IP server ) , target

port 6050 (if using their own IP , fill in the port of the corresponding server), 0 (long connection), other parameters

remain default, click to exit configuration, enter transparent transmission mode .

Connect the RS485 interface, open the serial port assistant ( XCOM) and the network debugging assistant (Net

Assist ), and directly send the transparent data "E 870- W 1_TSET ", which can be used as a serial port server:

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

3. Technical Parameters

3.1. Specifications

category

name

parameter

power supply

Operating Voltage

D C8 ~ 2 8V

Power indicator

Red LED indication

serial port

Communication

Interface

RS485

baud rate

9600bps (customizable)

Protocol

"Ebyte Cloud Device Communication Protocol",

which can be transparently transmitted

DI input

Number of DI

channels

4 way

input type

default stem node

Acquisition

frequency

1 kHz

AI input

Number of AI

channels

2 way

Acquisition

Features

single-ended input

input type

4-20mA _ _ _

AI Resolution _

Acquisition

frequency

1 0 Hz

DO output

Number of DO

channels

2 way

DO output type

Form A relay

DO output mode

level output

Relay contact

capacity

DC : 30V /7A , AC : 2 50V / 7A

other

product weight

140±5g

Working

temperature and

humidity

-40 ～+85℃, 5% ～95%RH (no

condensation)

installation method

rail installation

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

3.2. Mechanical Dimensions

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

3.3. Interface description

Port Diagram

serial number

logo

illustrate

V-

Negative pole of power input terminal , DC 8 V~ 28 V,

3.81 mm Phoenix terminal

V+

pole of power input terminal, DC 8 V~ 28 V, 3.81 mm

Phoenix terminal

485-B

RS485 interface B is connected to interface B of

external equipment, 3.81 mm Phoenix terminal

485-A

RS485 interface A is connected to interface A of

external equipment, 3.81 mm Phoenix terminal

Reload

Restore factory settings button

WiFi

WiFi antenna interface

NO1

Relay 1 normally open pin, used with relay 1 common

terminal, 3 .81 mm Phoenix terminal

COM1

Relay 1 common terminal, used with relay 1 normally

open pin, 3 .81 mm Phoenix terminal

N O2

Relay 2 normally open pin, used with relay 2 common

terminal, 3.81 mm Phoenix terminal

COM2

Relay 2 common terminal, used with relay 2 normally

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

instruction sheet

3.4. Description of LED indicators

Label

color

illustrate

PWR

red

Power indicator light,

always on after the device

is powered on

STA

green

Off, searching for SIM card

Slow flashing (1000ms off,

200ms on), the correct SIM

card is found, and the

network is being attached

Fast flashing (200ms off,

200ms on), attached to the

network, connecting to the

server

Steady on, connected to the

server

DATA

yellow

Blinking: The server

communicates with serial

port data

open pin, 3 .81 mm Phoenix terminal

DI1

Digital input channel 1 , 3.81 mm Phoenix terminal

DI2

Digital input channel 2 , 3.81 mm Phoenix terminal

DI 3

Digital input channel 3, 3.81 mm Phoenix terminal

DI 4

Digital input channel 4, 3.81 mm Phoenix terminal

D GND

Digital input ground, 3.81 mm Phoenix terminal

AI1

Analog input channel 1 , 3.81 mm Phoenix terminal

AI2

Analog input channel 2 , 3.81 mm Phoenix terminal

A GND

Analog input ground, 3.81 mm Phoenix terminal

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

3.5. Serial port description

The serial port supports the following parameter configurations:

project

parameter

baud rate

1200, 2400, 4800, 9600, 19200, 38400, 57600,

115200, 230400, 460800

data bit

7, 8bit

Check Digit

NONE, ODD, EVEN

stop bit

1, 2

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

4. Product function introduction

4.1. DO output

Two-way A-type relay output is adopted, and the normally open contact and the common point are respectively led

out by 3.81 mm Phoenix terminals, which can shut off the maximum AC 250V / 7A and DC 30V / 7A .

The active reporting of DO acquisition signals can be turned on or off, and the active reporting function of DO

supports the configuration change reporting, periodic update, change reporting + periodic realization of the active

reporting function of the device;

Periodic reporting: report the current status according to the configured time period, the time interval can be

1-65535 , unit: minute;

Change report: that is, the DO status is reported once when the DO status changes, and the range needs to be

configured as a non-zero value.

4.1.1. Level output

Two-way A-type relay output is adopted, and the normally open contact and the common point are respectively led

out by 3.81 mm Phoenix terminals, which can shut off the maximum AC 250V / 7A and DC 30V / 7A .

The active reporting of DO acquisition signals can be turned on or off, and the active reporting function of DO

supports the configuration change reporting, periodic update, change reporting + periodic realization of the active

reporting function of the device;

Periodic reporting: report the current status according to the configured time period, the time interval can be

1-65535 , unit: minute;

Change report: that is, the DO status is reported once when the DO status changes, and the range needs to be

configured as a non-zero value.

4.1.2. Following mode

according to the following source configured by the user (D I1 , DI2 , DI3 , D I4 , AI1, AI2, DO1, DO2), and

multiple outputs can follow the same follow-up source output. Simply put, it is to detect the state change of the

follow-up source , automatically output the relay with it as the following source. When the follow mode is turned

on, the follow source should be configured at the same time to use this linkage function.

Note: This function only supports local IO linkage

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

4.1.3. Active reporting of status

The active reporting of DO acquisition signals can be turned on or off. The condition for realizing the active

reporting function of DO is to configure change reporting, periodic reporting, or change reporting + periodic

reporting to realize this active reporting function. Periodic reporting is reported according to the timing, and the

time interval It can be 0-65535, unit: minute; the change is reported as the DO state changes, that is, the DO state is

reported once.

4.2. DI input

Support 4 -way dry contact acquisition, can turn on or off the active reporting of switch input DI acquisition signals,

the realization conditions of DI active reporting function support configuration change reporting, periodic update,

change reporting + periodic realization of the device's active reporting function;

Periodic reporting: report the current status according to the configured time period, the time interval can be

1-65535 , unit: minute;

Change report: that is, when the DI status changes, the DI status is reported once, and the range needs to be

configured as a non-zero value.

4.3. AI input mode

4.3.1. Analog range

Supports 2 channels of current signal acquisition , adopts high-resolution ADC , the acquisition accuracy can reach

3 ‰, the factory default configuration is 0-20 m A , supports the configuration of the acquisition range (register

address is 0x 044c ) and the acquisition of the current current through Modbus RTU commands Signal (floating

point: register is 0x00c8 , integer: 0x0064 ), the maximum current cannot exceed 25mA (more than 25mA will

cause the risk of equipment damage) ;

Support mode 0x 00 ( 0-20 mA ) : directly output the collected current signal;

Mode 0x 01 ( 4-20 mA): The current input device below 3.5 mA is used for disconnection detection output 0mA,

and the current greater than 3.5mA is directly output;

Take the device Modbus address configuration as 1 as an example (the edge acquisition function needs to be turned

off to use this function, and the following instructions are all in hexadecimal) :

Read the collected current signal (integer):

Send: 0 1 04 00 64 00 02 30 14

Return: 0 1 04 04 0F A0 13 88 F5 E4 (first channel: 4 000 uA, second channel: 5 000 uA)

Read the collected current signal (floating point):

Send: 0 1 04 00 C8 00 04 30 14

Return: 0 1 04 08 40 80 00 00 40 A0 00 00 B4 17 (first circuit: 4 m A, second circuit: 5 m A)

Chengdu Ebyte Electronic Technology Co., Ltd. E870-W1 User Manual

Configured as 0-20 mA acquisition mode (the first channel and the second channel are configured at the same

time):

Send: 01 10 04 4C 00 02 04 00 00 00 00 C5 0A

Configured as 4-20 mA acquisition mode (the first channel and the second channel are configured at the same

time):

Send: 01 10 04 4C 00 02 04 00 01 00 01 55 0A

[Note] Floating point numbers are stored in IEEE754 single-precision big-endian format ( ABCD ), for example,

12.5 mA uses a hexadecimal number 0x 41480000 ;

4.3.2. Active reporting of status

You can turn on or off the switch to input the active reporting of AI acquisition signals. The condition for realizing

the active reporting function of AI is to configure change reporting, periodic reporting or change reporting +

periodic reporting to realize this active reporting function. Periodic reporting is reported according to the timing,

and the time interval It can be 0-65535, unit: minute; the change report means that the AI input value is reported

once when the AI input range changes, and the range condition is 0~3.4e38 (a 4-byte float greater than 0) .

4.4. Network transparent transmission mode

This product supports TCP client ( TCPC ), UDP client ( UDPC ), TCP server ( TCPS ), UDP server ( UDPS )

transparent transmission communication.

In this mode, the user's serial device can send data to the designated server on the network through this device. The

device can also accept data from the server and forward the information to the serial device, supporting four

independent configurations.

Users do not need to pay attention to the data conversion process between serial port data and network data packets,

and can realize data transparent communication between serial port devices and network servers only through

simple parameter settings.

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