GV300 @Track Air Interface Protocol
Percentage
Reserved 0
Reserved 0
Reserved 0
Reserved 0
Send Time 14 YYYYMMDDHHMMSS
Count Number 4 0000 – FFFF
Tail Character 1 $ $
<External Power Supply>: The voltage of the external power supply. If using command
AT+GTEPS to set the device report the external power supply voltage periodically with
fixed report, the device will send the current voltage along with +RESP:GTFRI message to
the backend server. If not set, this field will be empty.
<Report ID/Report Type>: Indicate the working mode of the fixed report and the type of the
message.
Report ID has four meanings as below.
z 1: fixed timing report.
z 2: fixed distance report.
z 3: fixed mileage report.
z 4: fixed timing and mileage report.
Report type has two meanings as below.
z 0: the normal fixed report.
z 1: corner report which indicates that the device just turns around a corner.
<Number>: The number of the GPS position included in the report message. In the message
+RESP:GTFRI, it probably includes one or several GPS position according to the setting of
<Send Interval> and <Check Interval>. If multi-position in one +RESP:GTFRI message, the
green part repeats.
<Hour Meter Count>: If hour meter counter function is enabled by the command
AT+GTHMC, total hours meter counted when engine is on will be reported in this field. It is
formatted with 5 hour digits and 2 minute digits and 2 second digits and ranges from
00000:00:00– 99999:00:00. If the function is disabled, this field will be empty.
<Analog1 Input 1
～
2>: The voltage of the analog input 1 and 2. If using command
AT+GTAIS to set the device report the analog input 1 or 2 periodically with fixed report, the
device will send the current voltage of the analog input 1 or 2 along with +RESP:GTFRI
message to the backend server. If not set, this field will be empty.
<Backup Battery Percentage>: The current volume of the backup battery in percentage.
¾ +RESP:GTEPS,
If the external power supply monitoring is enabled by the command AT+GTEPS, the device will
send the message +RESP:GTEPS to the backend server when the voltage of the external power
supply enters the alarm range.
TRACGV300AN002 – 74 –
(259 páginas)
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