User's Manual

ST3310 User Manual
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reached to server and sends the data again.
Examples of ACK report are as below.
String Format : “ST3310ACK;850000”
Zip Format : 0x15 0x85 0x00 0x00
It is recommended ACK_TYPE is set to ‘1’ to confirm all data can be transmitted safely.
Report Type UDP_ACK=0 UDP_ACK=1 UDP_ACK=2 UDP_ACK=3
Alive X X X X
STT X O X X
Event, Alert, Etc. X O O X
Emergency X O O O
4-7. Set Parameters of Main Voltage
HDR DEV_ID VER CHR_STOP_THRES_12 DECIDE_BAT_12
OPERATION_STOP_THRES_12 IGNDET_H IGNDET_L
● Definition : Set some value of main voltage.
Field Definitions Remark
HDR “ST3310MBV” Command type
DEV_ID 6 char. Device ID
VER “02” Protocol Version
CHR_STOP_THRES_12 String Voltage value to stop backup battery charging in 12V
vehicle.
DECIDE_BAT_12 String Voltage value to check whether the vehicle’s battery is
12V.
OPERATION_STOP_THRES_12 String Voltage value to protect vehicle battery.
The device operation stops if car battery voltage is lower
than this value in vehicle that has 12V power.