Milesight AM308 - Historical Data Enquiry

30
2. Enquire traffic light and buzzer mode.
Reply:
3. Reboot the device.
4. Set time zone to GMT-4.
5. Disable the e-ink screen display.
6.4 Historical Data Enquiry
AM300 series sensors support sending downlink commands to enquire historical data for
specified time point or time range. Before that, ensure the device time is correct and data
storage feature was enabled to store the data.
Command format:
ff2c00
Channel
Type
Value
ff
2c (Enquire LED and Buzzer mode)
00(Reserved)
ff2e02 ff3e00
Channel
Type
Value
Channel
Type
Value
ff
2e(LED Mode)
02=Blink
ff
3e (Buzzer Mode)
00=Off
ff10ff
Channel
Type
Value
ff
10 (Reboot)
ff (Reserved)
ff17d8ff
Channel
Type
Value
ff
17 (Set Time Zone)
d8 ff => ffd8 = -40 = -4 * 10
ff2d00
Channel
Type
Value
ff
2d (Screen Display)
00: Disable the display
Channel
Type
Description
fd
6b (Enquire data in time point)
4 Bytes, unix timestamp
fd
6c (Enquire data in time range)
Start time (4 bytes) + End time (4 bytes),
unix timestamp
fd
6d (Stop query data report)
ff