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MEITRACK T622 GPRS Protocol
Copyright © 2017 Meitrack Group All rights reserved. - 41 -
the result is the same, the existing authorized RFID database is consistent with that
recorded in the server. Otherwise, data errors occur in the authorized RFID database.
Applicable Model
T622
Example
GPRS Sending
@@u25,353358017784062,D16*97\r\n
GPRS Reply
$$u28,353358017784062,D16,18*F7\r\n
3.57
Setting GPS Data Filtering – D71
GPRS Sending
D71,X,Y1,Y2,Y3,Y4
GPRS Reply
D71,OK/<
Error code
>
Description
X
: Whether to enable the GPS data filtering function.
1
: Enable the function.
0
: Disable
the function (default).
Y1
: indicates the minimum value of the driving speed. Value range: 0–999 km/h.
Y2
: indicates the maximum value of the driving speed. Value range: 0–999 km/h.
Y3
: indicates the number of satellites. Value range: 0–99. When the number of satellites
is greater than
Y3
, GPS data will be updated.
Y4
: indicates the positioning accuracy. Unit: x10. Value range: 0–999. When the
positioning accuracy value is less than
Y4
, GPS data will be updated.
Note: When the GPS data filtering function is enabled, all conditions of Y1, Y2, Y3 and Y4
have to be met in order to update the GPS data.
Applicable Model
T622
Example
GPRS Sending
@@I40,865328022075252,0D71,1,5,255,4,0.4*38\r\n
GPRS Reply
$$I28,865328022075252,D71,OK*F8\r\n
3.58
Setting Output Triggering – D72
GPRS Sending
D72,X,Y1,Y2,Y3,Y4
GPRS Reply
D72,OK/<
Error code
>
Description
X
: Select an output port.
1
: output 1.
2
: output 2.
Y1
: indicates the output time when an event is triggered. Unit: 10 ms. Value range: 0–
4294967295.
Y2
: Value: 0, 1, and 2.
0
: Output high level.
1
: Output low level (default).
2
: Output PWM wave.
Y3
: indicates the PWM duty cycle. Value range: 0–100.
Y4
: indicates the PWM period. Unit: μs. Value range: 2000–50000000.
Applicable Model
T622
Example
GPRS Sending
@@s42,865328022075252,0D72,1,100,0,0,10000*B0\r\n