Chengdu Ebyte Electronic Technology Co.,Ltd
E840-DTU(4G-02E) User Manual
Copyright ©2012–2019
,
Chengdu Ebyte Electronic Technology Co.,Ltd
29
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+NETHEAD
Function: Set / query network AT command header
Format: Configuration
Send: AT+ NETHEAD =<value> <CR>
Returns: <CR><LF>+OK<CR><LF>
Inquire
Send: AT+ NETHEAD <CR>
Returns: <CR><LF>+OK=<value><CR><LF>
Parameters: value, set / query network AT command header
Remarks: The network AT identifier can be up to 19 characters long.
AT+MQTTMODE
Function: Set / query MQTT mode
Format: Configuration
Send: AT+ MQTTMODE =<mode> <CR>
Returns: <CR><LF>+OK<CR><LF>
Inquire
Send: AT+ NETHEAD <CR>
Returns: <CR><LF>+OK=<value><CR><LF>