
Chengdu Ebyte Electronic Technology Co. Ltd E840-DTU(4G-02)User Manual
Copyright
©
2012
–
2019,Chengdu Ebyte Electronic Technology Co. LTD.
28
Format
:
transmit
transmit
:
AT+ SMSSEND =<number>,<info> <CR>
return
:
<CR><LF>+OK<CR><LF>
Parameter
:
Number :receiver’s phone number
info: transmitted content
(
English or number
)
AT+
SMSINFO
Function
:
configure/inquire SMS configuration identifier ID
Format
:
transmit
transmit
:
AT+ SMSINFO =<Info> <CR>
return
:
<CR><LF>+OK<CR><LF>
Inquire
transmit
:
AT+ SMSINFO <CR>
return
:
<CR><LF>+OK=<info> <CR>
Parameter
:
Info :remote SMS configuration identifier ID
AT+MODBUS
Function
:
configure/ inquire if Modbus RTU/TCP switch function is enabled
Format
:
configure
transmit
:
AT+
MODBUS
=<state> <CR>
return
:
<CR><LF>+OK<CR><LF>
inquire
transmit
:
AT+
MODBUS
<CR>
return
:
<CR><LF>+OK=<state> <CR><LF>
Parameter
:
state
ON
Modbus RTU/TCP switch is on
OFF
Modbus RTU/TCP switch is off
AT+MTCPID
Function
:
configure/ inquire Modbus RTU/TCP event identifier
Format
:
configure
transmit
:
AT+ MTCPID =<id> <CR>
return
:
<CR><LF>+OK<CR><LF>
inquire
transmit
:
AT+ MTCPID <CR>
return
:
<CR><LF>+OK=<id> <CR><LF>
Parameter
:
id
(
0~65535
)
2 bytes
Remark
:
when ID is 0
,
any modbusTCP received will switch to corresponding RTU protocol
,
otherwise, only when
id is matched can it switch
AT+RSTIME
Function
:
configure/ inquire server response overtime
Format
:
configure
transmit
:
AT+ RSTIME =<value> <CR>
return
:
<CR><LF>+OK<CR><LF>
Содержание E840-DTU
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