Downlink Command

This device supports downlink commands for configuration and control. The downlink application port is 85 by default.

General Setting

Item Channel Type Byte Description
Reboot ff 10 1 ff
Report Interval ff 03 2 UINT16, Unit: s
Example:
  1. Reboot the device.
    ff10ff
  2. Set report interval as 20 minutes.
    ff03b004
    Channel Type Value
    ff 03 b004=>04b0=1200s=20 minutes

Angle Threshold Setting

Channel Type Byte Description
ff 06 9

CTRL (1B) + Min (2B) + Max (2B) +Alarm Reporting Interval (2B) + Alarm Reporting Times(2B)

CTRL:

Bit 0~2:

000-disable

001-below (minimum threshold)

010-over (maximum threshold)

011-within

100-below or over

Bit 3~5:

001: X-axis angle

010: Y-axis angle

011: Z-axis angle

Bit 6~7: 00

Min./Max. Threshold: INT16/100, Unit: °
Example:
Set X-axis threshold between 10° and 20°, it will detect the threshold every 1 minute, send alarm 3 times at most.

ff060ce803d0073c000300
Channel Type Value
ff

06

0c => 00 001 100 = when X axis angle is below or over,

e803 => 03e8=1000/100 = 10.00°

d007 => 07d0= 2000/100 = 20.00°

3c00 => 60 s = 1 min

0300 => 00 03 = 3 times

Alarm Setting

Item Channel Type Byte Description

Initial Position

 ff 62 1

ff-set current position as initial position

fe-set the initial position to (0.00°, 0.00°, -90.00°)

Alarm Condition

 ff 63 8
hex string of ASCII expression; if ASCII expression takes less than 8 bytes, add 0 in the end to meet the size.
Note: before setting the condition, ensure the corresponding axis threshold is enabled, or this condition will not work.
Example:
  1. Set the alarm condition to be X and Y or Z, before setting ensure X, Y and Z thresholds are enabled.

    ff635826597c5a000000
    Channel Type Value
    ff

    63

    5826597c5a000000 = X&Y|Z
  2. Set current position as initial position.

    ff62ff
    Channel Type Value
    ff

    62

    ff = set current position as initial position