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Chengdu Ebyte Electronic Technology Co.,Ltd.

ME31-XAAX0440_UserManul_EN

4.9.4 Network related registers

type

Number Operation

Data range/remarks

function codes

Module

MAC

address

0x0898

Holding

MAC parameters of the
device

：

0x03

Local IP

address

0x089B

Holding

Default: 192.168.3.7

：

0x03

：

0x06,0x10

Native

port

0x089D

Holding

～

65535, default: 502

：

0x03

：

0x06,0x10

Subnet

mask

address

0x089E

Holding

Default: 255.255.255.0

：

0x03

：

0x06,0x10

Gateway

address

0x08A0

Holding

Default: 192.168.3.1

：

0x03

：

0x06,0x10

DHCP

mode

setting

0x08A2

Holding

0x0000 static IP (default)
0x0001 Obtain IP
automatically

：

0x03

：

0x06,0x10

Target

IP/domain

name

0x08A3

Holding

String format into IP/domain
name
Default IP: 192.168.3.3

：

0x03

：

0x06,0x10

Server

port

0x08E3

Holding

0-65535

，

default 502

：

0x03

：

0x06,0x10

DNS

server IP

address

0x08E4

Holding

Default 8.8.8.8

：

0x03

：

0x06,0x10

How the

module

works

0x08E6

Holding

0x0000 server mode
0x0001 client mode

：

0x03

：

0x06,0x10

Active

upload

0x08E7

Holding

0x0000 is disabled, others:
1

～

65535s periodic

transmission

：

0x03

：

0x06,0x10

Содержание ME31-XAAX0440

Страница 2: ...3 Technical index 9 3 1 Specifications 9 3 2 Device default parameters 10 3 3 Mechanical dimension drawing 10 3 4 Port description 11 3 5 LED indicator description 12 Chapter 4 Product function intro...

Страница 3: ...4 8 Modbus RTU protocol data frame description 18 4 9 MODBUS parameter configuration 19 4 9 1 DO related registers 19 4 9 2 AI register list 19 4 9 3 Module related registers 20 4 9 4 Network related...

Страница 4: ...y Automatically send commands of non local Modbus addresses through the serial port network port network I O networking module 1 2 Features Support standard Modbus RTU protocol and Modbus TCP protocol...

Страница 5: ...hnology Co Ltd ME31 XAAX0440_UserManul_EN Copyright 2012 2021 Chengdu Ebyte Electronic Technology Co Ltd 2 1 3 Product application topology diagram Modbus TCP application request topology Modbus RTU a...

Страница 6: ...lectronic Technology Co Ltd 3 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 t...

Страница 7: ...eflection wave at the end of the transmission line which will interfere with the original signal Therefore a terminal resistance must be added at the end of the transmission line to prevent the signal...

Страница 8: ...hrough 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 Power supply Use DC 12V switching power supply DC 8 28V to supp...

Страница 9: ..._UserManul_EN Copyright 2012 2021 Chengdu Ebyte Electronic Technology Co Ltd 6 Step 2 Open the network assistant select the TCP client enter the remote host IP192 168 3 7 default parameter enter the p...

Страница 10: ...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 04 01 0F Full close instruction 0x0F 02 00 00 00 00 08 01 0F 00 00 00 04 01 00 Read all AI inputs 0x04 01 00...

Страница 11: ...can test other functions through the commands in the following table Function function code Instruction Pull in the first coil 0x05 01 05 00 00 FF 00 8C 3A Full open command 0x0F 01 0F 00 00 00 04 01...

Страница 12: ...n be changed AI Analog input AI channels 4 Acquisition characteristics Single ended input Input type 0 20mA 4 20mA AI resolution 12 bits Precision 3 Acquisition frequency 10Hz Input instructions LED s...

Страница 13: ...P 192 168 3 7 Native port 502 Subnet mask 255 255 255 0 Gateway address 192 168 3 1 DHCP closure Native MAC Determined by the chip fixed Target IP 192 168 3 3 Destination port 502 DNS server 8 8 8 8 A...

Страница 14: ...y 2 6 COM2 Relay 2 common terminal used in conjunction with relay 2 normally open pin 7 NO3 Relay 3 normally open pin used in conjunction with the common terminal of relay 3 8 COM3 Relay 3 common term...

Страница 15: ...r Description DO1 Red The first output indication DO2 Red Second output indication DO3 Red The third output indication DO4 Red Fourth output indication TX yellow Serial port sending data instructions...

Страница 16: ...on state According to the status set by the user After the device is powered on the output relay is turned on according to the state set by the user and it is turned off by default 4 2 AI input mode 4...

Страница 17: ...er is 0x0064 0x0067 the register type is input register and the read function code is 0x04 The value returned by this method is 2 bytes representing 1 channel and the value read is 0 25000 The method...

Страница 18: ...arameters default to IPv4 related parameters 1 MAC of the device The user can read the specified register to obtain it and this parameter cannot be written 2 IP address device IP address both readable...

Страница 19: ...splay page current input value display page network parameter display page and a parameter setting page part of the parameters Note After using the screen configuration the device will turn on the sta...

Страница 20: ...he parameter setting page Select the setting item and after entering the parameter configuration page short press the up and down keys to switch the setting item Select the setting item short press to...

Страница 21: ...it Transaction processing identifier It can be understood as the serial number of the message Generally 1 is added after each communication to distinguish different communication data messages Protoco...

Страница 22: ...follow mode R 0x03 W 0x06 0x10 DO pulse width 0x05DC Holding register 4 RW Range 50 65535ms R 0x03 W 0x06 0x10 4 9 2 AI register list Register function Register address Register type Number Operation...

Страница 23: ...rent model R 0x03 Firmware version 0x07DC Holding register 1 R Get the firmware version number R 0x03 Module name 0x07DE Holding register 10 RW Custom module name R 0x03 W 0x10 Module restart 0x07EA H...

Страница 24: ...RW Default 255 255 255 0 R 0x03 W 0x06 0x10 Gateway address 0x08A0 Holding register 2 RW Default 192 168 3 1 R 0x03 W 0x06 0x10 DHCP mode setting 0x08A2 Holding register 1 RW 0x0000 static IP default...

Страница 25: ...e coil 05 operation of multiple coils 0F function code operation Use the 05 command to write a single command for example 01 05 00 00 FF 00 8C 3A Modbus address Function Code Register first address Co...

Страница 26: ...on Code Register Address Write value CRC checkcode After sending the above command to the device via the 485 bus the device will return the following values 01 06 05 78 00 01 C8 DF Modbus address Func...

Страница 27: ...rManul_EN Copyright 2012 2021 Chengdu Ebyte Electronic Technology Co Ltd 24 Chapter 5 Host computer 5 1 Acquisition and control Step 1 the upper computer connects the equipment Step 2 Select the corre...

Страница 28: ...odbus address of the device effective immediately Reading parameters You need to read the parameters once before configuring the parameters otherwise it cannot be configured Save parameters save the p...

Страница 29: ...e level mode pulse mode follow mode follow mode requires the device to have DI interface ME31 XAAX0440 does not support Pulse width 50 65535ms the default is 50ms DO power on state the initial state o...

Страница 30: ...ort MQTT TCP UDP HTTP various transmission protocol equipment customization Various gateways such as Ethernet WiFi 4G 433M etc Switch quantity analog quantity and various sensors are connected to the...

Страница 31: ...logy Co Ltd Revision history Version Date Description Issued by 1 0 2021 11 04 Initial version LC About us Technical support support cdebyte com Documents and RF Setting download link www ebyte com Th...

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