Ebyte ME31-XAAX0440 User Manual
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Ebyte ME31-XAAX0440 User Manual

Ebyte ME31-XAAX0440 User Manual

Network i/o networking module
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Chengdu Ebyte Electronic Technology Co.,Ltd.
ME31-XAAX0440_UserManul_EN
ME31-XAAX0440
Network I/O networking module
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Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

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Summary of Contents for Ebyte ME31-XAAX0440

  • Page 1 Chengdu Ebyte Electronic Technology Co.,Ltd. ME31-XAAX0440_UserManul_EN ME31-XAAX0440 Network I/O networking module Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 2: Table Of Contents

    4.5 Custom module information........................... 15 4.5.1 Modbus address............................15 4.5.2 Module name............................... 15 4.5.3 Network parameters.............................15 4.5.4 Serial port parameters..........................16 4.6 LCD display and parameter configuration......................16 4.6.1 Information display interface........................16 4.6.2 Device parameter display interface......................17 Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 3 4.9.3 Module related registers..........................20 4.9.4 Network related registers..........................21 4.9.5 Modbus instruction operation instructions....................22 Chapter 5 Host computer..............................24 5.1 Acquisition and control............................24 5.2 Parameter configuration............................25 Chapter 6 About customization............................27 Revision history..................................28 About us....................................28 Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 4: Chapter 1 Introduction

    Chapter 1 Introduction 1.1 Brief Introduction ME31-XAAX0440 has 4 Type A relay outputs and 4 analog (0-20mA/4-20mA) inputs, supports Modbus TCP protocol or Modbus RTU protocol for acquisition and control, and the device can also be used as a simple Modbus gateway (Automatically send commands of non-local Modbus addresses through the serial port/network port) network I/O networking module.

  • Page 5: Product Application Topology Diagram

    Chengdu Ebyte Electronic Technology Co.,Ltd. ME31-XAAX0440_UserManul_EN 1.3 Product application topology diagram Modbus TCP application request topology： Modbus RTU application request topology： Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 6: Chapter 2 Quick Start

    [Note] This experiment needs to be performed by default factory parameters. 2.1 Preparation for use The following table is the required materials for this test: ME31-XAAX0440 12V Switching power supply USB to RS485 Computer One network cable Several cables4 Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 7: Device Connection

    The terminal resistance should be the same as the impedance of the communication cable, with a typical value of 120 ohms. Its function is to match the bus impedance and improve the anti-interference and reliability of data communication. 2.2.2 Analog input connection Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 8: Relay Output Connection

    ME31-XAAX0440_UserManul_EN 2.2.3 Relay output connection 2.2.4 Simple to use Wiring: The computer is connected to the RS485 interface of ME31-XAAX0440 through USB to RS485, A is  connected to A, B is connected to B. Networking: Insert the network cable into the RJ45 port and connect to the PC.
  • Page 9 Chengdu Ebyte Electronic Technology Co.,Ltd. ME31-XAAX0440_UserManul_EN 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. Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 10: Control Test

    Chengdu Ebyte Electronic Technology Co.,Ltd. ME31-XAAX0440_UserManul_EN 2.4 Control test 2.4.1 Modbus TCP control Use the network assistant to control the first DO output of ME31-XAAX0440. You can test other functions through the commands in the following table. Function (function code) Instruction...

  • Page 11: Modbus Rtu Control

    Chengdu Ebyte Electronic Technology Co.,Ltd. ME31-XAAX0440_UserManul_EN 2.4.2 Modbus RTU control Use the serial port assistant to control the first DO output of ME31-XAAX0440. You can test other functions through the commands in the following table. Function (function code) Instruction Pull in the first coil (0x05)

  • Page 12: Chapter 3 Technical Index

    121mm * 72mm * 34mm (Length*width*height) 148 ± 5 g product weight -40 ～ +85℃、5% ～ 95%RH(No condensation) Working temperature and humidity Other -40 ～ +105℃、5% ～ 95%RH(No condensation) Storage temperature and humidity Rail installation Installation method Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 13: Device Default Parameters

    9600bps (8 types) Check method None (default), Odd, Even Serial port parameters Data bit 8 (fixed) Stop bit 1 (fixed) Modbus master and slave Slave (fixed) Modbus parameters address 1 (default) 3.3 Mechanical dimension drawing Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 14: Port Description

    RS485 interface B is connected to the external device interface B 485-A RS485 interface A is connected to the external device interface A Analog input ground Analog input channel 1 Analog input channel 2 Analog input channel 3 Analog input channel 4 Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 15: Led Indicator Description

    The third output indication Fourth output indication yellow Serial port sending data instructions yellow Serial port receiving data indication LINK green Network connection indicator Network port data sending and receiving green instructions blue Power indicator Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 16: Chapter 4 Product Function Introduction

    4mA, the engineering value of the channel is converted to 0. For signals greater than 20mA, there is no conversion limit, but it should not exceed 25mA (exceeding 25mA may cause equipment damage). Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 17: Ai Raw Value And Engineering Value Of Analog Input

    4.3 Modbus gateway The device can convert non-native Modbus instructions (converting Modbus TCP to Modbus RTU) and transmit them. Theoretically, it can process up to 128 slave addresses simultaneously (limited by serial port access devices). Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 18: Active Upload

     Client: The device actively connects to the target IP and port set by the user. (11) Active upload: When the parameter is not 0 and the device is in client mode, the device will periodically report the original value collected by AI according to the configured time. Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 19: Serial Port Parameters

    (1) The current input display page displays the current input values of channels 1 to 4 from top to bottom; (2) The network parameter display page separately displays the local IP address, gateway address, local port, and local Modbus address from top to bottom; Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 20: Device Parameter Display Interface

    Exit the parameter setting. Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 21: Modbus Tcp Protocol Data Frame Description

    Data segment Check code CRC 1 Bit 1 Bit N Bit 2 Bit For example: Get DI status command 00 00 00 04 79 C9 Device Modbus address function code Data segment CRC Check code Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 22: Modbus Parameter Configuration

    0x04B0 register the more sensitive, the W：0x06,0x10 larger the more stable, the default is 6 Sampling range of all AI Holding channels R：0x03 AI sampling range 0x04B2 register 0x0000: 0～20 mA W：0x06,0x10 0x0001: 4-20mA Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 23: Module Related Registers

    Serial port baud Holding R：0x03 0x0834 table, the default is 9600 rate register W： 0x06,0x10 (0x0003) 0x0000 no check (default) Serial port check Holding R：0x03 0x0836 0x0001 odd parity digit register W： 0x06,0x10 0x0002 even parity Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 24: Network Related Registers

    Default 8.8.8.8 register W：0x06,0x10 address How the Holding 0x0000 server mode R：0x03 module 0x08E6 register 0x0001 client mode W：0x06,0x10 works 0x0000 is disabled, others: Active Holding R：0x03 0x08E7 1～65535s periodic upload register W：0x06,0x10 transmission Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 25: Modbus Instruction Operation Instructions

    After sending the above command to the device via the 485 bus, the device will return the following values: 00 00 OO O4 54 08 Modbus address Function Code Register Address Number of coils CRC checkcode The coils are all turned on. （3） Read the holding register Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 26 CRC checkcode E If the modification is successful, the values ​ ​ of two consecutive registers with 0x0578 as the starting address are respectively 0x0001 and 0x0001 to indicate DO1 and DO2 start pulse output. Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 27: Chapter 5 Host Computer

    Chengdu Ebyte Electronic Technology Co.,Ltd. ME31-XAAX0440_UserManul_EN Chapter 5 Host computer 5.1 Acquisition and control Step 1: the upper computer connects the equipment Step 2: Select the corresponding device Step 3: Introduction to the IO demo interface Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 28: Parameter Configuration

    Step 4: Configure Ethernet parameters, you need to read the parameters before configuration (if you don’t need configuration, you can skip this step) Step 5: Select the basic parameters to configure, you can configure the DO working mode of the device Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 29 DO power-on state: the initial state of the DO after the device restarts can be configured, and it is closed by default; Follow source: According to the DI interface configuration, it can follow one output at the same time, or it can be configured separately (ME31-XAAX0440 does not support); Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 30: Chapter 6 About Customization

     LoRa, Zigbee, BLE Mesh, WiFi and other local area networks are connected to the cloud platform;  Support customized explosion-proof, high-temperature, high-power industrial-grade communication equipment;  The company has its own SMT production line, which supports mass customers to customize product appearance and model identification. Copyright ©2012–2021,Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 31: Revision History

    2021-11-04 About us Technical support: support@cdebyte.com Documents and RF Setting download link: www.ebyte.com Thank you for using Ebyte products! Please contact us with any questions or suggestions: info@cdebyte.com ------------------------------------------------------------------------------------------------- Phone: +86 028-61399028 Web: www.ebyte.com Address: B5 Mould Park, 199# Xiqu Ave, High-tech District, Sichuan, China...

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