Chengdu Ebyte Electronic Technology Co.,Ltd
ME31-XAXX0600_UserManual_CN
Copyright ©2012–2023
,
Chengdu Ebyte Electronic Technology Co.,Ltd
21
DHCP mode
configuration
0x08A2
Holding
register
1
RW
0x0000
static
IP
(
default
)
0x0001
automatically
get IP
R
:
0x03
W
:
0x06
、
0x10
Target IP/Domain
Name
0x08A3
Holding
register
64
RW
Store in strings
IP/Domain Name
Default IP
:
192.168.3.3
R
:
0x03
W
:
0x06
、
0x10
Server port
0x08E3
Holding
register
1
RW
0-65535
,
Default 502
R
:
0x03
W
:
0x06
、
0x10
DNS server IP
address
0x08E4
Holding
register
2
RW
Default 8.8.8.8
R
:
0x03
W
:
0x06
、
0x10
Module operating
mode
0x08E6
Holding
register
1
RW
0x0000 server mode
0x0001 client mode
R
:
0x03
W
:
0x06
、
0x10
Active upload
0x08E7
Holding
register
1
RW
0x0000 prohibited
,
Other
:
Send in 1
~
65535s
R
:
0x03
W
:
0x06
、
0x10
MOSBUS
TCP/RTU
conversion
0x08E8
Holding
register
1
RW
0,turn off
,
1turn on
R
:
0x03
W
:
0x06
、
0x10
MODBUS addrss
filtering
0x08E9
Holding
register
1
RW
0: Transparent
transmission, 1-255:
When non local data is
present, check the slave
address of the
instruction instruction.
When it is set to a
value, it can be passed
through the
R
:
0x03
W
:
0x06
、
0x10
4.6.4 Modbus command operation
1. Read coil (DO) status
Use the read coil status (01) function code to read the output coil status, for example:
01
01
00 00
00 04
3D C9
Modbus address
Function code
Register first
address
Output coil quantity
CRC check code
After the above command is sent to the device through the 485 bus, the device will return the following values:
01
01
01
01
90 48
Modbus address
Function code
Number of bytes of
data
Status data returned
CRC check code
Содержание ME31-XAXX0600
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