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MEITRACK T622 GPRS Protocol
Copyright © 2017 Meitrack Group All rights reserved. - 44 -
Description
X1: indicate the estimate time of arrival; 32-bit unsigned integer;
X2: indicates the message ID; hexadecimal; contains up to 8 characters.
X3: indicates the remaining mileage; hexadecimal; contains up to 8 characters; unit:
meter.
X4: indicates the latitude where the Garmin navigator is located; 32-bit signed;
hexadecimal; accurate to 6 decimal places.
X5: indicates the longitude where the Garmin navigator is located; 32-bit signed;
hexadecimal; accurate to 6 decimal places.
X6: indicates the serial port number of the Garmin navigator. X6 = 1: serial port 1; X6 =
2: serial port 2.
Y1: indicates the serial port number of the Garmin navigator. Y1 = 1: serial port 1; Y1 =
2: serial port 2.
Note: This command is available only when the Garmin navigator is working.
Applicable Model
T622
Example
GPRS Sending
@@O28,866699027509340,D77,2*15\r\n
GPRS Reply
$$O73,866699027509340,D77,FFFFFFFF,00000000,FFFFFFFF,F5456B00,F5456B00,02*1
1\r\n
3.64
Setting Harsh Acceleration and Braking Parameters – D78
GPRS Sending
D78,X1,X2,Y1,Y2
GPRS Reply
D78,OK/<
Error code
>
Description
X1: indicates the threshold of the harsh acceleration alert; decimal; unit: mG; value
range: [90…1000]; default value: 100.
X2: indicates the time when the harsh acceleration alert lasts; unit: 10 ms; value range:
[30…300]; default value: 40.
Y1: indicates the threshold of the harsh braking alert; unit: mG; value range:
[-1500…-100]; default value: -200.
Y2: indicates the time when the harsh braking alert lasts; unit: 10 ms; value range:
[30…300]; default value: 65.
If you want to query these parameters, send
D78
only.
Applicable Model
T622
Example
GPRS Sending
@@B41,865328022075252,0D78,100,40,-200,65*64\r\n
GPRS Reply
$$B28,865328022075252,D78,OK*F8\r\n
3.65
Reading Device's Firmware Version and SN – E91
GPRS Sending
E91
GPRS Reply
E91,
Version
,
SN
Description
Read the tracker's firmware version and SN.
Applicable Model
T622