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Chengdu Ebyte Electronic Technology Co.,Ltd.

ME31-XXXA0006_UserManual_EN

Copyright ©2012

2023, Chengdu Ebyte Electronic Technology Co.,Ltd.

19

4.5.2. Module related registers

4.5.3. Network related registers

Register function

Register

address

Register

type

Number Operate

Data Range/Remarks

Related function
code

Module MAC

address

0x0898

Holding

register

3

R

Device MAC parameters R

0x03

Local IP address

0x089B

Holding

register

2

RW

Default: 192.168.3.7

R

0x03

W

0x06

0x10

local port

0x089D

Holding

register

1

RW

1

65535, default: 502

R

0x03

W

0x06

0x10

Subnet mask

address

0x089E

Holding

register

2

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

0x08A2

Holding

1

RW

0x0000

static

IP R

0x03

Register function

Register

address

Register

type

Number Operate

Data Range/Remarks

Related function
code

Module address

0x07E8

Holding

register

1

RW

Modbus address,
1

247 configurable

addresses

R

0x03

W

0x06

Module model

0x07D0

Holding

register

12

R

Get the current model

R

0x03

Firmware version

0x07DC

Holding

register

1

R

Get firmware version
number

R

0x03

Module name

0x07DE

Holding

register

10

RW

Custom module name

R

0x03

W

0x10

Module restart

0x07EA

Holding

register

1

W

Write any value to
restart

W

0x06

Restore factory

parameters

0x07E9

Holding

register

1

W

Write random value to
restore

factory

parameters

W

0x06

Serial baud rate

0x0834

Holding

register

1

RW

See baud rate code table,
Default

is

9600

(0x0003)

R

0x03

W

0x06

0x10

Serial check digit

0x0836

Holding

register

1

RW

0x0000 no checksum
(default)
0x0001 odd parity
0x0002 even parity

R

0x03

W

0x06

0x10

Содержание ME31-XXXA0006

Страница 1: ...e 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 ...

Страница 2: ... Drawing 11 3 4 Port and indicator light description 12 IV Product Function Introduction 14 4 1 AO output 14 4 1 1 AO output range 14 4 2 Modbus Gateway 14 4 2 1 Modbus TCP RTU protocol conversion 14 4 2 2 Modbus Address Filtering 14 4 2 3 Modbus TCP Protocol Data Frame Description 14 4 2 4 Modbus RTU protocol data frame description 15 4 3 Custom Module Information 15 4 3 1 Modbus Address 15 4 3 2...

Страница 3: ...1 XXXA0006_UserManual_EN Copyright 2012 2023 Chengdu Ebyte Electronic Technology Co Ltd 2 4 5 4 Examples of Modbus command operation instructions 20 V Configuration Software 23 5 1 Acquisition and Control 23 5 2 Parameter configuration interface 24 ...

Страница 4: ...ough 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 analog outputs 0 20mA 4 20mA Support cu...

Страница 5: ...Chengdu Ebyte Electronic Technology Co Ltd ME31 XXXA0006_UserManual_EN Copyright 2012 2023 Chengdu Ebyte Electronic Technology Co Ltd 4 Serial port application topology diagram ...

Страница 6: ...e Electronic Technology Co Ltd 5 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 XXXA0006 12V switching power supply USB to RS485 Cable A computer A network cable Several cables ...

Страница 7: ...ich 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 in...

Страница 8: ... 12V switching power supply DC 8 28V to power ME31 XXXA0006 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 S...

Страница 9: ...A Other functions can be tested through the commands in the table below Function function code Command Control AO1 output 10mA 0x10 01 00 00 00 00 0B 01 10 00 00 00 02 04 41 20 00 00 Read AO1 output 0x03 01 00 00 00 00 06 01 03 00 00 00 02 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 H...

Страница 10: ... 9 2 4 2 Modbus RTU control Use the serial port assistant to read the current AO1 output of ME31 XXXA0006 Other functions can be tested through the commands in the table below Function function code Command Read current AO1 output 0x03 01 03 00 00 00 02 C4 0B Control AO1 current output 10mA 0x10 01 10 00 00 00 02 04 41 20 00 00 E6 59 ...

Страница 11: ...by Modbus command and host computer AO output Number of AO channels 6 way AO output type Current output 2 wire connection AO output range 0 20mA 4 20mA AO resolution 16 bits Output accuracy 3 Output indication OLED screen display Other Product Size 121mm 72mm 34mm L W H Product weight 135 5 g Working temperature and humidity 40 85 5 95 RH no condensation Storage temperature and humidity 40 105 5 9...

Страница 12: ... address 192 168 3 1 DHCP Close Native MAC Determined by the chip fixed Target IP 192 168 3 3 Target port 502 DNS server 114 114 114 114 Active upload Close Serial parameters Baud rate 9600bps 8 types Check method None default Odd Even Data bit 8 Stop bit 1 MODBUS parameter Modbus master slave Slave Address 1 3 3 Mechanical Dimensional Drawing ...

Страница 13: ...rrent positive pole channel 3 5 08mm Phoenix terminal 9 AGND Analog output current negative pole channel 3 5 08mm Phoenix terminal 10 AO4 Analog output current positive pole channel 4 5 08mm Phoenix terminal 11 AGND Analog output current negative pole channel 4 5 08mm Phoenix terminal 12 AO5 Analog output current positive pole channel 5 5 08mm Phoenix terminal 13 AGND Analog output current negativ...

Страница 14: ... 1 5 08mm Phoenix terminal 20 AO1 Analog output current positive pole channel 1 5 08mm Phoenix terminal 21 GND Signal ground 5 08mm Phoenix terminal 22 485 A The A of the serial port is connected to the A interface of the external device and the 5 08mm Phoenix terminal 23 485 B The B of the serial port is connected to the B interface of the external device and the 5 08mm Phoenix terminal ...

Страница 15: ...n the Modbus TCP data on the network side will be converted to Modbus RTU data 4 2 2 Modbus Address Filtering This function can be used when some host software or configuration screen is used as the host to access the serial port of the device and the gateway function of the device is used the slave is at the network end and the Modbus TCP to RTU function is turned on Multiple slaves on the bus ma...

Страница 16: ... 01 02 00 00 00 04 79 C9 Device Modbus address Function code Data segment CRC check code 4 3 Custom Module Information 4 3 1 Modbus Address The device address is 1 by default and the address can be modified and the address range is 1 247 4 3 2 Module Name Users can configure the device name according to their own needs to distinguish support English digital format up to 20 bytes 4 3 3 Network para...

Страница 17: ...tively connects to the target IP and port set by the user 11 Active upload When this parameter is not 0 and the device is in the client mode the discrete input status of the device will be uploaded to the server when it is connected for the first time or the input changes and the analog input will be uploaded according to the configured time period 4 3 4 Serial Port Parameters Parameters for setti...

Страница 18: ...s 12 DHCP 13 Target IP 14 Destination port 15 Modbus TCP RTU protocol conversion 16 Active upload 17 Modbus address filtering 4 4 3 Equipment Parameter Configuration Interface Press and hold the confirmation button to enter the password input interface complete the correct password input and enter the configuration interface password interface default password 0000 short press the middle to verify...

Страница 19: ...signed by the router 4 4 4 Screen Sleep The device screen has a sleep function which is off by default and can be set to on in the configuration interface In any interface when there is no button operation for 180 seconds the screen will enter the sleep mode At this time the interface displays Ebyte robot Press any button can exit the sleep mode When the screen is in sleep mode the running efficie...

Страница 20: ... DHCP mode 0x08A2 Holding 1 RW 0x0000 static IP R 0x03 Register function Register address Register type Number Operate Data Range Remarks Related function code Module address 0x07E8 Holding register 1 RW Modbus address 1 247 configurable addresses R 0x03 W 0x06 Module model 0x07D0 Holding register 12 R Get the current model R 0x03 Firmware version 0x07DC Holding register 1 R Get firmware version n...

Страница 21: ...thers 1 65535s cycle sending R 0x03 W 0x06 0x10 MOSBUS TCP RTU conversion enable 0x08E8 Holding register 1 RW 0 close 1 open protocol conversion R 0x03 W 0x06 0x10 MODBUS address filtering 0x08E9 Holding register 1 RW 0 transparent transmission 1 255 when the data is not local check the slave address of the command and it can be passed when it is the set value R 0x03 W 0x06 0x10 4 5 4 Examples of ...

Страница 22: ...ethod CRC check code The DO1 coil is turned on Use 0F function code as the command to write multiple coils for example 01 0F 00 00 00 04 01 0F 7E 92 Modbus address Function code Initial address Number of coils Bytes of data Control coil data CRC check code After sending the above command to the device through the 485 bus the device will return the following values 01 0F 00 00 OO O4 54 08 Modbus ad...

Страница 23: ...ddress Function code Register address Write value CRC check code If the modification is successful the data in the 0x0578 register is 0x0001 and the pulse output mode is turned on Use function code 10 to write multiple holding register commands for example set the working mode of DO1 and DO2 at the same time 01 10 05 78 00 02 04 00 01 00 01 5A 7D Modbus address Function code Register head address ...

Страница 24: ...on software 1 You can configure the device by selecting the interface serial port network port if you choose the network port you must first select the network card and then search for the device 2 If you choose a serial port you need to select the corresponding serial port number and the same baud rate data bit stop bit parity bit and address segment search range as the device and then search Ste...

Страница 25: ...ter the IO monitoring The following is the IO monitoring screen display 5 2 Parameter configuration interface Step 1 Connect the device refer to Acquisition and Control Step 2 You can configure device parameters network parameters DI parameters AI parameters DO parameters and AO parameters for example if the device has no AO function the AO parameters cannot be configured ...

Страница 26: ...hengdu Ebyte Electronic Technology Co Ltd 25 Step 3 After configuring the parameters click Download Parameters After the prompt message in the log output shows that the parameters are saved successfully click Restart the device After the device restarts the modified parameters will take effect ...

Страница 27: ...6 Revise history Version Revision date Revision Notes Maintenance man 1 0 2023 6 6 Initial version LT About us Technical support support cdebyte com Documents and RF Setting download link http www cdebyte com Tel 86 28 61399028 Fax 028 64146160 Web http www cdebyte com Address Innovation Center D347 4 XI XIN Road Chengdu Sichuan China ...

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