Four-Faith F2164 User Manual page 76

F2X64 User Manual
AT Command:
AT+EXCALx=SC,<afterTime>
<afterTime>: Countdown value(Unit:Second)
For example:
RTU power off 600 seconds later:
AT+EXCAL1=SC,60
Note: If the <aftertime> is 0,the RTU will power off immediately.
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