Ebyte ME31-XXAX0060 User manual

ME31-XXAX0060

Network I/O Networking Module

This manual may be updated with product improvements, please refer to the latest version of the

manual! Chengdu Yibaite Electronic Technology Co., Ltd. reserves the final interpretation and

modification rights for all contents in this instruction!

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Copyright ©2012–2023, Chengdu Ebyte Electronic Technology Co.,Ltd 1

Contents

I. Overview .......................................................................................................................................... 3

1.1 Product Introduction .........................................................................................................................................3

1.2 Functional Features .......................................................................................................................................... 3

1.3 Product Application Topology Diagram .......................................................................................................... 3

II.Quick use .................................................................................................................................................................... 5

2.1 Device preparation ........................................................................................................................................... 5

2.2 Device connection ............................................................................................................................................ 6

2.2.1 RS485 connection ................................................................................................................................. 6

2.2.2 Relay output connection ........................................................................................................................6

2.2.3 Simple use ............................................................................................................................................. 7

2.3 Parameter Configuration .................................................................................................................................. 7

2.4 Control Testing ................................................................................................................................................. 8

2.4.1 Modbus TCP control ............................................................................................................................. 8

2.4.2 Modbus RTU control .............................................................................................................................9

III. Technical Specification .......................................................................................................................................... 10

3.1 Specifications ................................................................................................................................................. 10

3.2 Device Default Parameters .............................................................................................................................10

3.3 Mechanical Dimensional Drawing .................................................................................................................11

3.4 Port and indicator light description ................................................................................................................12

IV. Product Function Introduction ................................................................................................................................14

4.1 DO output ....................................................................................................................................................... 14

4.1.1. Input count ..........................................................................................................................................14

4.1.2. Level output ........................................................................................................................................14

4.1.3. Pulse output ........................................................................................................................................ 14

4.1.4. Follow mode .......................................................................................................................................14

4.1.5. Reverse follow mode ..........................................................................................................................15

4.1.6. Trigger toggle mode ........................................................................................................................... 15

4.1.7. Power-on state .................................................................................................................................... 15

4.2 Modbus Gateway ............................................................................................................................................15

4.2.1. Modbus TCP/RTU protocol conversion ............................................................................................ 15

4.2.2. Modbus Address Filtering ..................................................................................................................15

4.2.3. Modbus TCP Protocol Data Frame Description ................................................................................ 16

4.2.4. Modbus RTU protocol data frame description .................................................................................. 16

4.3 Active upload ..................................................................................................................................................16

4.4 Custom Module Information ..........................................................................................................................17

4.4.1. Modbus Address .................................................................................................................................17

4.4.2. Module Name .....................................................................................................................................17

4.4.3. Network parameters ........................................................................................................................... 17

4.4.4. Serial Port Parameters ........................................................................................................................ 17

4.5 OLED display and parameter configuration .................................................................................................. 18

4.5.1. Information Display Interface ............................................................................................................18

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4.5.2. Equipment parameter display interface ............................................................................................. 18

4.5.3. Equipment Parameter Configuration Interface .................................................................................. 19

4.5.4. Screen Sleep ....................................................................................................................................... 19

4.6 MODBUS parameter configuration ............................................................................................................... 20

4.6.1. DO Register List .................................................................................................................................20

4.6.2. Module related registers .....................................................................................................................21

4.6.3. Network related registers ................................................................................................................... 21

4.6.4. Examples of Modbus command operation instructions .....................................................................22

V. Configuration Software ............................................................................................................................................25

5.1. Acquisition and Control ................................................................................................................................ 25

5.2. Parameter configuration interface .................................................................................................................26

Chengdu Ebyte Electronic Technology Co.,Ltd. ME31-XXAX0060_UserManual_EN

Copyright ©2012–2023, Chengdu Ebyte Electronic Technology Co.,Ltd 3

I. Overview

1.1 Product Introduction

ME31-XXAX0060 is equipped with 6-way A-type relay output, and

supports Modbus TCP protocol or Modbus RTU protocol for acquisition and

control. At the same time, the device is also a network I/O networking module

that can be used as a simple Modbus gateway (automatically send commands

with non-local Modbus addresses through the serial port/network port).

1.2 Functional Features

Support standard Modbus RTU protocol and Modbus TCP protocol;

Support various configuration software/PLC/touch screen;

RS485 acquisition control I/O;

RJ45 acquisition control I/O, support 4-way host access;

Support OLED display to display status information, and configure device parameters through buttons;

6-way switch output DO (A-type relay);

Switch output (DO) supports level mode, pulse mode, follow mode, reverse follow mode, trigger flip mode;

Support custom Modbus address setting;

Support 8 common baud rate configurations;

Support DHCP and static IP;

Support DNS function, domain name resolution;

Support Modbus gateway function;

1.3 Product Application Topology Diagram

Network interface application topology diagram

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Serial port application topology diagram

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II.Quick use

【Note】This test needs to be carried out with the default factory parameters.

2.1 Device preparation

The following table lists the items required for this test:

ME31-XXAX0060

12V switching power

supply

USB to RS485 Cable

A computer

A network cable

Several cables

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2.2 Device connection

2.2.1 RS485 connection

Note: When the 485 bus high-frequency signal is transmitted, the signal wavelength is shorter than the transmission

line, and the signal will form a reflected wave at the end of the transmission line, which will interfere with the original

signal. Therefore, it is necessary to add a terminal resistor at the end of the transmission line so that the signal does not

reflect after reaching the end of the transmission line. The terminal resistance should be the same as the impedance of the

communication cable, the typical value is 120 ohms. Its function is to match the bus impedance and improve the

anti-interference and reliability of data communication.

2.2.2 Relay output connection

External power supply

ME31 Device

User’s RS485 Device

Load

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2.2.3 Simple use

Wiring: The computer is connected to the RS485 interface of ME31-XXAX0060 through USB to RS485, A is

connected to A, and B is connected to B.

Networking: Insert the network cable into the RJ45 port and connect to the PC.

Power supply: Use DC-12V switching power supply (DC 8~28V) to power ME31-XXAX0060.

2.3 Parameter Configuration

Step 1: Modify the IP address of the computer to be consistent with the device. Here I am modifying it to

192.168.3.100 to ensure that it is on the same network segment as the device and that the IP is different. If you

cannot connect to the device after the above steps, please turn off the firewall and try again;

Step 2: Open the network assistant, select the TCP client, enter the remote host IP192.168.3.7 (default parameter),

enter the port number 502 (default parameter), and select HEX to send.

Network port

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Copyright ©2012–2023, Chengdu Ebyte Electronic Technology Co.,Ltd 8

2.4 Control Testing

2.4.1 Modbus TCP control

Use the network assistant to control the first DO output of ME31-XXAX0060.

Other functions can be tested through the commands in the table below.

The device is in server mode, and the

computer connects to the device as a client.

Enter the IP address of the device.

Enter the port number of the device.

Select HEX display to facilitate observation

of data.

Select HEX to send

1: Transaction ID

2: Protocol identifier

3: Length

4: Modbus address

5: Function code

6: First address

7: Opcode

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Function (function code)

Command

Pull in the first coil (0x05)

01 00 00 00 00 06 01 05 00 00 FF 00

Full open command (0x0F)

02 00 00 00 00 08 01 0F 00 00 00 06 01 3F

Full close command (0x0F)

02 00 00 00 00 08 01 0F 00 00 00 06 01 00

Read all DO status (0x01)

01 00 00 00 00 06 01 01 00 00 00 06

2.4.2 Modbus RTU control

Use the serial port assistant to control the first DO output of ME31-XXAX0060.

Other functions can be tested through the commands in the table below.

Function (function code)

Command

Pull in the first coil (0x05)

01 05 00 00 FF 00 8C 3A

Full open command (0x0F)

01 0F 00 00 00 06 01 3F DF 46

Full close command (0x0F)

01 0F 00 00 00 06 01 00 9F 56

Read all DO status (0x01)

01 01 00 00 00 06 BC 08

This manual suits for next models

5

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