At+Socktonn; At+Heartenn; At+Hearttmn - USR IOT Cortex-M7 Series At Command Manual

<CR><LF>+OK<CR><LF>
Parameter

time: 3-255s.default 3s.

E.g.AT+SHORTO1=3

2.5.28. AT+SOCKTONN

Function

Query/set time of no data traffic in socket to reconnect server of PortN
Format

Query

AT+ SOCKTONN <CR>
<CR><LF>+OK=<time><CR><LF>
Set

AT+ SOCKTONN =<time><CR>
<CR><LF>+OK<CR><LF>
Parameter

time: range 0~99999s，default 0s,close reconnection

E.g.AT+SOCKTONN =86400

2.5.29. AT+HEARTENN

Function

Query/set heartbeat packet status of PortN
Format

Query

AT+ HEARTENN <CR>
<CR><LF>+OK=< status><CR><LF>
Set

AT+ HEARTENN =< status><CR>
<CR><LF>+OK<CR><LF>
Parameter

status

ON: enable

OFF: disable,default

E.g.AT+HEARTEN1=ON

2.5.30. AT+HEARTTMN

Function

Query/set the heartbeat packet sending interval of PortN
Format

Query

AT+ HEARTTMN<CR>
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AT command set
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