Downlink Commands

The device supports downlink commands to configure the device. Application port is 85 by default.

General Setting

Item Channel Type Byte Description
Reboot f9 10 1 ff
LED ff 2f 1 01-enable, 00-disable
Buzzer ff 3e 1 01-enable, 00-disable
Release All Alarm ff 64 1 ff
Single Alarm Handle f9 b4 3 Byte 1-2: the alarm ID

Byte 3: 02-Resolved; 03-Ignore
Reporting Interval ff 8e 3 Byte 1: 00

Byte 2-3: interval time, unit: min
WLAN ff 42 1 01: Enable, 00: Disable
Hide Wi-Fi SSID f9 4d 1 01: Enable, 00: Disable
Manual system time setting ff 11 4 Unix timestamp, Unit:s
Synchronize Time f9 91 5 Byte 1: 00-Synchronize With Gateway Time, 01-Manual

Byte 2-5: Timestamp, If gateway synchronization is enabled, this value is 00000000
DO level signal f9 4e 1 01: High, 00: Low
DO f9 b5 6 Byte 1: 01: Enable, 00: Disable

Byte 2: Fall Alarm Enable; Fall Alarm Disable

Byte 3: Lying Alarm Enable; Lying Alarm Disable

Byte 4: Out of Bed Alarm Enable; Out of Bed Alarm Disable

Byte 5: Dwell Alarm Enable; Dwell Alarm Disable

Byte 6: Motionless Alarm Enable; Motionless Alarm Disable
Example:
  1. Reboot the device.
    ff10ff
  2. Set report interval as 20 minutes.
    ff8e 00 1400
    Channel Type Value
    ff 8e 1400=>0014=20 minutes

Detection

Item Channel Type Byte Description
Room Settings f9 4f 12

Byte 1-2: xMin, UINT16, Unit: mm

Byte 3-4: xMax, UINT16, Unit: mm

Byte 5-6: yMin, UINT16, Unit: mm

Byte 7-8: yMax, UINT16, Unit: mm

Byte 9-10: zMax, UINT16, Unit: mm

Byte 11-12: Installation Height, UINT16, Unit: mm

Sensitivity f9 50 2 Byte 1: 00

Byte 2: 00-Low; 01-High; 02-Midium; 03-Custom
Fall Detection f9 51 6 Byte 1-2: Fall Confirmation Time, UINT16, Unit: s, Range: 0~300

Byte 3-4: Fall Delay Reporting Time, UINT16, Unit: s, Range: 0~300

Byte 5-6: Fall Alarm Duration, UINT16, Unit: s, Range: 0~1800
Dwell Time Detection f9 52 3 Byte 1: 01-enable, 00-disable

Byte 2-3: Dwell Time Threshold, Unit: min
Motionless Detection f9 53 3 Byte 1: 01-enable, 00-disable

Byte 2: 00

Byte 3: Motionless Time Threshold, Unit: min
Sleep Detection f9 b1 7 Byte 1: 01-enable, 00-disable

Byte 2-3: Start Time, Unit: min

Byte 4-5: End Time, Unit: min

Byte 6: 01-Enable Out of Bed Alarm; 00-Disable Out of Bed Alarm

Byte 7: Out of Bed Time Threshold, Unit: min
Respiratory Detection f9 b2 3 Byte 1: 01-enable, 00-disable

Byte 2: Min. Respiratory Value

Byte 3: Max. Respiratory Value
AI Fall Alarm Filtering f9 b3 1 01-enable, 00-disable
Example:
  1. Set room size.
    f9 4f e803 d007 30f8 3cf6 0807 c409
    Channel Type Value
    ff 4f

    e803=>03e8=1000=> xMin

    d007=>07d0=2000=> xMax,

    30f8=>f820=-2000=> yMin

    3cf6=>f63c=-2500=> yMax

    0807=>0708=1800=> zMax

    c409=>09c4=2500=> Installation Height is 2.5m
  2. Fall Detection.
    f9 51 3700 2d00 2300
    Channel Type Value
    f9 51 Fall Confirmation Time, 3700=>0037=55s

    Fall Delay Reporting Time, 2d00=>002d=45s

    Fall Alarm Duration, 2300=>0023=35s

Sub Region

Item Channel Type Byte Description
Sub Region Size f9 49 9

Byte 1: Sub Region number, Range 0~3

Byte 2-3: xMin, UINT16, Unit: mm

Byte 4-5: xMax, UINT16, Unit: mm

Byte 6-7: yMin, UINT16, Unit: mm

Byte 8-9: yMax, UINT16, Unit: mm
Delete Sub Region f9 48 1 Sub Region number, Range 0~3
Sub Region Detection f9 4a 5

Byte 1: Sub Region number, Range 0~5

Byte 2: Fall Detection, 01-enable, 00-disable

Byte 3: Dwell Detection, 01-enable, 00-disable

Byte 4: Motionless Detection, 01-enable, 00-disable

Byte 5: Type, 00-Custom, 01-Bed, 02-Door, 03-Ignore
In-bed Detection

(Firmware V373.1.0.1 Only)

 f9 4b 9

Byte 1: Sub Region number, Range 0~3

Byte 2: In-bed Detection, 01-enable, 00-disable

Byte 3-4: Start time, Unix timestamp, Unit: s

Byte 5-6: End time, Unix timestamp, Unit: s

Byte 7-8: Bed Height, Unit: mm

Byte 9: Out of Bed Time Threshold, Unit: min
Example:
Set Door Sub Region Detection.
f94a 01 01 01 02
Channel Type Value
f9 4a 01=> Sub Region number

01=> Enable Fall Detection

01=>Enable Occupancy Detection

01=>Motion Detection

02=>Type is Door

Advance Setting

Item Channel Type Byte Description
Targets Detection f9 56 2 Byte 1: Presence Confirmation Time, Unit: s, Range: 0~60

Byte 2: Absence Confirmation Time, Unit: s, Range: 0~60
Example:
Set target presence confirmation time as 3s and absence confirmation time as 5s.
f9 56 03 05
Channel Type Description
f9 56 Presence Confirmation Time, 03=3s

Absence Confirmation Time, 05=5s

LoRaWAN® Setting

Modifying the following parameters triggers the device to rejoin the network.

Item Channel Type Byte Description
LoRa Confirm Mode ff 04 1 01: Enable, 00: Disable
ADR Mode ff 40 1 01: Enable, 00: Disable
LoRa Rejoin Mode f9 85 2

Byte 1: 01-Enable; 00-Disable

Byte 2: The Number of Detection, Range: 4~32
Spreading Factor f9 86 1 00-SF12, 01-SF11, 02-SF10, 03-SF9, 04-SF8, 05-SF7
TXPower f9 87 1 Range: 0~14

Data Retransmission

Item Channel Type Byte Description
Data Retransmission ff 69 1 00: Disable, 01: Enable
Data Retransmission Interval ff 6a 3 Byte 1: 00

Byte 2-3: UINT16, Unit: s, Range: 30~1200, Default: 600
Example:
  1. Set report interval as 20 minutes.
    ff8e001400
    Channel Type Value
    ff 8e 1400=>0014=20minutes

Milesight D2D Setting

Item Channel Type Byte Description
D2D Feature ff 84 1 00: Disable, 01: Enable
D2D Key ff 35 8 The first 16 digits of D2D key, and the last 16 digits are fixed as 0.
D2D Settings (controller) ff 96 8 Byte 1:
00-Occupied

01-Vacant

02-Fall Alarm

03-Out of bed alarm

04-Motionless Alert

05-Dwell Alarm

Byte 2: 01-enable, 00-disable

Byte 3: 01-enable LoRa Uplink, 00-disable LoRa Uplink

Byte 4-5: D2D control command

Byte 6-7: control time, unit: min

Byte 8: 00-disable control time, 01-enable control time
D2D Settings (agent) f9 4c 5

Byte 1: ID, Range: 0~3

Byte 2-3: D2D control command

Byte 4: Action Object, 01 - Multi-function button, 00-Delete this action

Byte 5: Action Event, 00-Release Alarm, 01-Enable Wi-Fi, 02-Disable Wi-Fi
Example:
  1. Set Milesight D2D Key as 12345678123456780000000000000000.
    ff35 1234567812345678
    Channel Type Value
    ff 35 1234567812345678
  2. Set Milesight D2D controller settings.
    ff96 03 01 01 04e0 0500 01
    Channel Type Value
    ff 96

    03=> Out of bed alarm;

    01=>Enable;

    01=>Enable LoRa Uplink;

    04 e0=>e0 04, Control Command is e0 04;

    05 00=>00 05, Control time is 5 mins;

    01=>Enable Control Time