Chengdu Ebyte Electronic Technology Co.,Ltd E840-TTL(4G-02)User Manual
Copyright
©
2012
–
2019
,
Chengdu Ebyte Electronic Technology Co.,Ltd
25
transmit
:
AT+ HEARTMOD<CR>
return
:
<CR><LF>+OK=<mode><CR><LF>
configure
transmit
:
AT+ HEARTMOD=<mode><CR>
return
:
<CR><LF>+OK<CR><LF>
parameter
:
mode
NET Network heartbeat package
UART UART heartbeat package
AT+HEARTINFO
Function
:
Set/inquire heartbeat package data
Format
:
inquire
transmit
:
AT+ HEARTINFO<CR>
return
:
<CR><LF>+OK=<data><CR><LF>
configure
transmit
:
AT+ HEARTINFO=<data><CR>
return
:
<CR><LF>+OK<CR><LF>
Parameters: ASCII heartbeat packet data within 40 bytes of data.
AT+HEARTINFONEW
Function
:
configure/inquire heartbeat packet data
Format
:
inquire
transmit
:
AT+ HEARTINFONEW<CR>
return
:
<CR><LF>+OK=<type>,<data><CR><LF>
configure
transmit
:
AT+ HEARTINFO=<type>,<data><CR>
return
:
<CR><LF>+OK<CR><LF>
parameter
:
type
0 Heartbeat package type is HEX
1 Heartbeat type is ASCII code
data
ASCII code within 40 bytes, when the heartbeat packet type is HEX, the content must be a legal HEX format and the length
must be an even number.
AT+HEARTM
Function
:
configure/inquire heartbeat package time
Format
:
inquire
transmit
:
AT+ HEARTM <CR>
return
:
<CR><LF>+OK=<time><CR><LF>
configure
transmit
:
AT+ HEARTM =<time><CR>
return
:
<CR><LF>+OK<CR><LF>
Parameters: time heartbeat time, 0 off, range 1 to 65535 seconds.
AT+SHORTM
Function
:
set/inquire short connection time
Format
:
inquire
transmit
:
AT+ SHORTM<CR>