MR24HPC1 Sensor Human Static Presence Module Lite

Product Information

Specifications

• Product Name: 24GHz mmWave Sensor Human Static Presence Module
  Lite

• Model: MR24HPC1

• User Manual Version: V1.5

Product Usage Instructions

1. Overview

This 24GHz mmWave Sensor Human Static Presence Module Lite user
manual focuses on the correct usage of the sensor to ensure optimal
performance and stability.

2. Working Principle

The sensor operates based on 24GHz mmWave technology to detect
static human presence.

3. Hardware Design Considerations

Refer to the power supply circuit design and wiring diagram
provided in the manual for proper installation.

4. Antenna and Housing Layout Requirements

Ensure proper antenna and housing layout as specified in the
manual for accurate detection.

5. Electrostatic Protection

Follow guidelines for electrostatic protection to prevent
malfunctions.

6. Environmental Interference Analysis

Understand potential environmental interference scenarios as
described in the manual for correct sensor output
interpretation.

FAQ

Q: What should I do if the sensor outputs incorrect

results?

A: Check for environmental interference or incorrect wiring.
Ensure proper installation according to the manual.

Q: How can I customize the sensor settings?

A: Refer to the Custom mode description section in the manual
for information on setting parameters and logic.

24GHz mmWave Sensor Human Static Presence
Module Lite
User Manual V1.5

MR24HPC1
Catalog
1. Overview ………………………………………………………………………………………………………. 2 2. Working Principle …………………………………………………………………………………………… 2 3. Hardware Design Considerations …………………………………………………………………….. 3
3.1 Power supply can refer to the following circuit design ………………………………………………………… 3 3.2 Wiring Diagram ……………………………………………………………………………………………………………… 4
4. Antenna and housing layout requirements ………………………………………………………….4 5. Electrostatic protection …………………………………………………………………………………….5 6. Environmental interference analysis …………………………………………………………………. 5
6.1 In an unmanned state, sensors output results indicating the presence of a human being even though there is none. ……………………………………………………………………………………………………………………… 5
6.2 When there is a person present, the sensor produces an incorrect output of no person detected. 6
7. Protocol Description ……………………………………………………………………………………….. 7
7.1 Definition of frame structure ……………………………………………………………………………………………. 7 7.2 Description of the frame structure ……………………………………………………………………………………. 7
8. Standard function (scene mode) description ……………………………………………………….8
8.1 List of standard function data information …………………………………………………………………………. 8 8.2 Scene mode …………………………………………………………………………………………………………………13 8.3 Sensitivity setting …………………………………………………………………………………………………………. 13 8.4 Additional information on Standard function ……………………………………………………………………..13 8.5 Time for entering no person state ……………………………………………………………………………………14
9. Underlying Open function description ……………………………………………………………… 15
9.1 List of Underlying Open function data information ……………………………………………………………. 15 9.2 Underlying Open function information …………………………………………………………………………….. 17
10. Custom mode description ……………………………………………………………………………… 19
10.1 List of Custom mode information …………………………………………………………………………………….20 10.2 Underlying open parameter settings ………………………………………………………………………………. 23 10.3 The setting for Time logic ……………………………………………………………………………………………… 25
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1. Overview
This document focuses on the use of the sensor, the issues that need to be paid attention to in each phase, to minimize the design cost and increase the stability of the product, and to improve the efficiency of the project completion.
From hardware circuit reference design, sensor antenna and housing layout requirements, how to distinguish interference and multi-functional standard UART protocol output. The sensor is a self-contained system.
This sensor is a self-contained space sensing sensor, which consists of RF antenna, sensor chip and high speed MCU. It can be equipped with a host computer or a host computer to flexibly output detection status and data, and meet several groups of GPIOs for user customization and development.
2. Working Principle
The sensor transmits a 24G band millimeter wave signal, and the target reflects the electromagnetic wave signal, and demodulates it from the transmitted signal. The signal is demodulated, then amplified, filtered, ADC and other processing to obtain the echo demodulation signal data. In the MCU unit, the amplitude, frequency and phase of the echo signal are decoded, and the target signal is finally decoded. The target parameters (body movement, etc.) are measured and evaluated in the MCU.
MR24HPC1 Human Static Presence Module Lite based on the mechanism of continuous frequency modulation wave. It senses the biological presence, respiration, slight
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movement, and movement of human body, and continuously records the presence of human body. It makes real-time judgments and outputs changes in motion speed, distance, intensity, as well as changes in spatial micro-movement intensity and distance. It achieves a rich environment detection application through various functional parameters and is compatible with complex environment detection applications of various styles.
3. Hardware Design Considerations
The rated supply voltage of the radar needs to meet 4.9 – 6V, and the rated current needs to be 200mA or more input is required. The power supply is designed to have a ripple of 100mv.
3.1 Power supply can refer to the following circuit design
Figure 1
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3.2 Wiring Diagram

Figure 2

Figure 3 Module and peripheral wiring diagram
4. Antenna and housing layout requirements
PCBA: Need to keep the radar patch height 1mm higher than other devices Housing structure: need to keep the radar antenna surface and the housing surface have 2 – 5mm distance Housing detection surface: non-metallic housing, need to be straight to avoid bending surface, affect the performance of the whole sweep surface area Performance
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Figure 4
5. Electrostatic protection
Radar products with electrostatic sensitive circuitry inside, vulnerable to electrostatic hazards, so need to be in transport, storage, work and handling process to do a good job of electrostatic protection, do not touch the grasp of the radar hands. Therefore, it is necessary to do a good job in the transportation, storage, work and picking up process of static protection, do not touch and grab the radar module antenna surface and connector pins, only touch the corners. Do not touch the surface of the radar module antenna and connector pins with your hands, only touch the corners. When handling the radar sensor, please wear anti-static gloves as much as possible.
6. Environmental interference analysis
6.1 In an unmanned state, sensors output results indicating the presence of a human being even though there is none.
In the normal state, the radar accurately detects the presence of a stationary human body or sleeping human body and outputs corresponding vital sign information. The reasons for this type of error could be:
A. The radar scans a large area and detects movements from outside the door or through a wooden wall nearby.
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Adjustment method: Reduce the radar sensitivity or provide scene settings for the radar. B. The radar is directly facing running equipment such as air conditioners or fans below. Adjustment method: Adjust the position of the radar to avoid direct exposure to air conditioners or fans. C. Object shaking caused by airflow from an air conditioner. Adjustment method: Cotton and non- metallic items will not cause sensor false alarms, but metal items need to be fixed to avoid shaking. D. The sensor is not fixed, which causes false alarms due to vibration. Adjustment method: Avoid shaking or vibration by ensuring stable support. E. Occasionally moving animals such as pets or birds. Due to the radar measuring micro-movements with high sensitivity, it is difficult to eliminate this interference. F. Power interference occasionally causing misjudgment. Adjustment method: Try to maintain a stable power supply current.
6.2 When there is a person present, the sensor produces an incorrect output of no person detected.
The sensor detects the presence of a human body by sending and receiving electromagnetic waves, with higher accuracy the closer the person is to the radar.
A. The person is outside the range of the radar. Solution: adjust the scanning range and installation angle of the radar. The measurement range of the radar varies in different environments due to differences in the electromagnetic wave reflection area, which may cause slight differences in the scanning area. B. Metal obstruction causes incorrect output. Obstruction by a thick desk, chair, or metal seat may block the electromagnetic waves and cause a misjudgment. C. Differences in scanning angles.
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The radar did not scan the torso, causing misjudgment. D. The radar sensitivity is too low. Solution: adjust the sensitivity parameter of the radar to increase sensitivity.
7. Protocol Description

This protocol is applied to the communication between the 24G millimeter wave Sensor Human Static Presence Module Lite and the host computer.
This protocol outlines the radar workflow, briefly introduces the interface protocol composition architecture, and The interface protocol structure is briefly introduced, and the related radar work requires control commands and data.
Interface level: TTL Baud rate: 9600bps Stop bit: 1 Data bits: 8 Parity check: None

7.1 Definition of frame structure

Frame header 0x53 0x59 2 Byte

Control word Control 1 Byte

Command word
Command 1 Byte

Length identifier

Lenth_H 1 Byte

Lenth_L 1 Byte

Data Data n Byte

Checksum Sum 1 Byte

End of frame 0x54 0x43 2 Byte

7.2 Description of the frame structure

a. Frame header: 2 Byte, fixed to 0x53,0x59; b. Control word: 1 Byte (0x01 – heartbeat packet identification, 0x02 – product information, 0x03 – UART upgrade, 0x05 – operation status, 0x80 – human presence) c. Command word: 1 Byte (to identify the current data content)

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d. Length identification: 2 Byte, equal to the specific byte length of the data e. Data: n Byte, defined according to the actual function f. Checksum: 1 Byte. (Calculation method of checksum: “frame header + control word + command word + length identifier + data” summed to the lower eight bits) g. End of frame: 2Byte, fixed to 0x54,0x43;
8. Standard function (scene mode) description

This instruction mainly focuses on the detailed explanation and illustration of sensor

standard functions such as scene mode, sensitivity, and unmanned time.

What needs to be explained is that the maximum detection range of the sensor for

detecting human body in static and active states is different. Generally speaking, when the

human body is in a static state, the maximum detection range of the sensor is smaller than

that when the human body is in an active state.

Contents

Typical (default)

Maximum

Installation way

Human Active

5

5m

side mount

Human Static

4

4m

side mount

Human Sleep

3

3.5 m

side mount

The configurations of 8.2 to 8.4 are only effective in the standard mode (scene mode).

8.1 List of standard function data information

Function Category

Function Description

Transfer direction

Frame header

Control word

Command word

Length Identification

System Functions

Heartbeat Pack query
Module Reset

Send Response
Send Response

0x53 0x59 0x53 0x59 0x53 0x59 0x53 0x59

0x01 0x01 0x01 0x01

0x01 0x01 0x02 0x02

0x00 0x00 0x00 0x00

0x01 0x01 0x01 0x01

Information Inquiry

Product

Product Model

Send

0x53 0x59 0x02

0xA1

0x00

0x01

Data 0x0F 0x0F 0x0F 0x0F
0x0F

Checksum field sum

End of frame 0x54 0x43

sum

0x54 0x43

sum

0x54 0x43

sum

0x54 0x43

sum

0x54 0x43

Note

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Function Category Information

Function Description
query

Transfer direction

Frame header

Control word

Command word

Response 0x53 0x59 0x02

0xA1

Length Identification

0x00

len

Product ID query

Send

0x53 0x59 0x02

Response 0x53 0x59 0x02

0xA2 0xA2

0x00

0x01

0x00

len

Hardware Model query

Send

0x53 0x59

Response 0x53 0x59

0x02 0x02

0xA3 0xA3

0x00

0x01

0x00

len

Send

0x53 0x59 0x02

0xA4

0x00

0x01

Firmware Version query

Response 0x53 0x59

0x02

0xA4

0x00

len

Work status

Initialization completed information

Report

0x53 0x59

0x05

0x01

0x00

0x01

Send

0x53 0x59 0x05

0x07

0x00

0x01

Scene settings

Work status

Response 0x53 0x59 0x05

0x07

0x00

0x01

Sensitivity settings

Send

0x53 0x59 0x05

Response 0x53 0x59 0x05

0x08

0x00

0x01

0x08

0x00

0x01

Data
len B Product Info
0x0F len B Product ID 0x0F len B Hardware model 0x0F
len B Firmware version

Checksum field

End of frame

sum

0x54 0x43

Note

sum

0x54 0x43

sum

0x54 0x43

sum

0x54 0x43

sum

0x54 0x43

sum

0x54 0x43

The complete version

number is obtained by

sum

0x54 0x43 converting the received

hexadecimal number into

a string.

0x0F

sum

0x54 0x43

0x01~0x04
0x01~0x04 0x01~0x03 0x01~0x03

1: Living Room

2: Bedroom

sum

0x54 0x43

3: Bathroom

4: Area Detection

Detection range for each scene mode: Living Room:

4m Bedroom: 3.5m

Bathroom: 2.5m Area

Detection: 3m

sum

0x54 0x43

(For related descriptions

about the range of scene

modes, please refer to

section 8.2 of this document.)

1: Sensitivity level 1

sum

0x54 0x43

2: Sensitivity level 2

3: Sensitivity level 3

Detection range for each

sensitivity level: Sensitivity

sum

0x54 0x43

level 1: 2m Sensitivity level

2: 3m

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Function Category

Function Description

Transfer direction

Frame header

Control word

Command word

Length Identification

Data

Checksum field

End of frame

Note

Sensitivity level 3: 4m (For related descriptions about the range of sensitivity level, please refer to section 8.3 this document.)

Initialization status inquiry

Send

0x53 0x59 0x05

Response 0x53 0x59 0x05

0x81 0x81

0x00 0x00

0x01 0x01

0x0F 0x01: Completed 0x02: Incomplete

sum

0x54 0x43

sum

0x54 0x43

Send

0x53 0x59 0x05

0x87

0x00

0x01

0x0F

sum

0x54 0x43

Scene settings inquiry

Response 0x53 0x59

0x05

0x87

0x00

0x01

0x00~0x04

0: Scene mode not set

1: Living Room

sum

0x54 0x43 2: Bedroom

3: Bathroom

4: Area Detection

Send

0x53 0x59 0x05

0x88

0x00

0x01

0x0F

sum

0x54 0x43

Sensitivity settings inquiry

Response

0x53 0x59

0x05

0x88

0x00

0x01

0x00~0x03

0: Sensitivity not set

1: Sensitivity level 1

sum

0x54 0x43

2: Sensitivity level 2

3: Sensitivity level 3

Active reporting of presence information

Active reporting of human presence information

Report

0x53 0x59

0x80

0x01

0x00

0x01

0x00: Unoccupied 0x01: Occupied

Report when there is a

sum

0x54 0x43

state change

Human presence function

Active reporting of motion information
Active reporting of Body Movement Parameter

Report

0x53 0x59

0x80

Report

0x53 0x59

0x80

0x02 0x03

0x00

0x01

0x00: None 0x01: Motionless
0x02: Active

Report when there is a

sum

0x54 0x43

state change

Report every 1 second.

Value range: 0-100.

1B Body Movement

(For more information on

0x00

0x01

sum

0x54 0x43

Parameter

Body Movement

Parameter, please refer to

Chapter 8.4.)

Time for entering no person state setting

Send

0x53 0x59 0x80

0x0A

0x00

0x01

None: 0x00 10s: 0x01 30s: 0x02 1min: 0x03

The default setting is 30

sum

0x54 0x43

seconds.

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Function Category

Function Description

Transfer direction

Frame header

Control word

Command word

Length Identification

Response 0x53 0x59 0x80

0x0A

0x00

0x01

Active reporting of proximity

Report

0x53 0x59

0x80

0x0B

0x00

0x01

Data 2min: 0x04 5min: 0x05 10min: 0x06 30min: 0x07 60min: 0x08 None: 0x00 10s: 0x01 30s: 0x02 1min: 0x03 2min: 0x04 5min: 0x05 10min: 0x06 30min: 0x07 60min: 0x08
No state: 0x00 Near: 0x01 Far: 0x02

Checksum field

End of frame

Note

For more information on

“Time for entering no

sum

0x54 0x43 person state,” please refer

to Chapter 8.5 of this

document.

00: No one/person

stationary/chaotic

movement

01: Approaching the

sensor for 3 seconds

continuously

sum

0x54 0x43 02: Moving away from the

sensor for 3 seconds

continuously

(For more information on

proximity, please refer to

Chapter 8.4 of this

document.)

Information Inquiry

Presence information inquiry
Motion information inquiry
Body Movement Parameter inquiry

Send

0x53 0x59 0x80

Response 0x53 0x59 0x80

Send

0x53 0x59 0x80

Response 0x53 0x59 0x80

Send

0x53 0x59 0x80

Response 0x53 0x59 0x80

0x81 0x81 0x82 0x82 0x83 0x83

0x00 0x00 0x00 0x00 0x00

0x01 0x01 0x01 0x01 0x01

0x0F 0x00: Unoccupied
0x01: Occupied 0x0F
0x00: None 0x01: Motionless
0x02: Active 0x0F

sum

0x54 0x43

sum

0x54 0x43

sum

0x54 0x43

sum

0x54 0x43

sum

0x54 0x43

1B Body Movement

0x00

0x01

sum

0x54 0x43

Parameter

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Function Category

Function Description

Transfer direction

Frame header

Control word

Command word

Length Identification

Data

Checksum field

End of frame

Note

Send

0x53 0x59 0x80

0x8A

0x00

0x01

0x0F

sum

0x54 0x43

Time for entering no person state inquiry

Response 0x53 0x59 0x80

Proximity inquiry

Send

0x53 0x59 0x80

Response 0x53 0x59 0x80

Start UART Upgrade

Send

0x53 0x59 0x03

Response 0x53 0x59 0x03

UART Upgrade

Upgrade package transmission

Send

0x53 0x59 0x03

Response 0x53 0x59 0x03

Ending the UART Upgrade

Send

0x53 0x59 0x03

Response 0x53 0x59 0x03

0x8A

0x00

0x01

None: 0x00 10s: 0x01 30s: 0x02 1min: 0x03 2min: 0x04 5min: 0x05 10min: 0x06 30min: 0x07 60min: 0x08

sum

0x54 0x43

0x8B

0x00

0x01

0x0F

sum

0x54 0x43

No state: 0x00

0x8B

0x00

0x01

Near: 0x01 Far: 0x02

sum

0x54 0x43

UART Upgrade

0x01

4B Firmware

package size + 15B

0x00

0x01

sum

0x54 0x43

Firmware version

number

0x01

0x00

0x01

4B Transfer upgrade package
size per frame

sum

0x54 0x43

0x02

0x00

0x01

4B Package offset address + len B

sum

0x54 0x43

0x02

0x00

0x01

Data Packages 0x01: Received
successfully 0x02: Receive
Failure

Please refer to the tutorial

on the Wiki for upgrade

instructions.

sum

0x54 0x43

0x03

0x00

0x01

0x01: Firmware package delivery
completed 0x02: Firmware

sum

0x54 0x43

package delivery not completed

0x03

0x00

0x01

0x0F

sum

0x54 0x43

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8.2 Scene mode

The function of scene mode is to adjust the maximum detection range of the sensor to recognize human movements. (Maximum detection distance of the sensor)

There are 4 modes for scene mode, with the default mode being the living room mode. The detection range values for each scene mode are as follows:

Scene Mode

Detection Radius (m)

Living room

4m – 4.5m

Bedroom

3.5m – 4m

Bathroom

2.5m – 3m

Area detection

3m – 3.5m

8.3 Sensitivity setting

The sensitivity setting adjusts the detection distance of the sensor for human body in static state.

There are 3 levels for sensitivity setting, with the default level being sensitivity 3. The detection range values for each sensitivity level are as follows:

Sensitivity

Detection Radius (m)

1

2.5 m

2

3m

3

4m

8.4 Additional information on Standard function

Function Point

Parameter Data Content

Function Description

Proximity report Near/Far/No State

Near/Far/No State:

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During the target’s movement, if it approaches the radar continuously for 3

seconds or moves away from the radar continuously for 3 seconds, the

radar will report “approaching” or “moving away”.

When the target is in disordered movement or stationary state, the radar will

report “none”.

Example:

No state: No one present, person standing still, or person in random motion

Near state: approaching the radar continuously for 3 seconds

Far state: moving away from the radar continuously for 3 seconds

Body Movement Parameter:

When there is no person in the space, the body movement parameter is 0.

When there is a person present but stationary, the body movement

parameter is 1.

Body Movement Body Movement Parameter, range: Parameter report 0-100

When there is a person present and in motion, the body movement parameter is 2-100 (the greater the amplitude/distance of the motion, the larger the body movement parameter).

Example:

When there is no one around: the activity parameter is 0

When someone is still: the activity parameter is 1

When someone is active: the activity parameter is 25

8.5 Time for entering no person state

The function of ime for entering no person state setting is to adjust the duration from “someone present” to “no one present” by selecting different absence trigger time settings.
There are 9 levels for the absence trigger time setting, with the default level being 30 seconds. The actual time interval from “someone present” to “no one present” is always greater than or equal to the current unmanned time setting.

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9. Underlying Open function description

In older versions of millimeter wave sensors, there was no such thing as Underlying Open function. Underlying Open function is one level above Standard function, which means that this feature provides users with more data messages that can provide users with more customizable interfaces. If you do not want to use the results of the Standard function, you can enable the Underlying Open function and output the results of human presence and movement based on the data from this feature.
If you are a general user and feel that the results of the standard function already cover your use case, and the results obtained by the sensor in your environment are accurate enough, then you do not need to use the Underlying Open function.

9.1 List of Underlying Open function data information

Function Description

Transfer direction

Frame header

Control word

Command word

Length Identification

Data

Checksum field

End of frame

Underlying Open function information output switch

Note

Underlying Open
function information output switch

Send Response

0x53 0x59
0x53 0x59

0x08 0x08

0x00

0x00 0x01

0x00

0x00 0x01

0x00: Turn off 0x01: Turn on
0x00: Turn off 0x01: Turn on

0x54 sum
0x43

0x54

sum

This switch is defaulted to the closed state.

0x43

Underlying Open
function information output switch
inquiry

Send Response

0x53 0x59
0x53 0x59

0x08 0x08

Reporting of Sensor information

Report

0x53 0x59

0x08

0x80

0x00 0x01

0x0F

sum

0x00: Turn off

0x80

0x00 0x01

sum

0x01: Turn on

Underlying Open function information

byte1: Existence energy

value

0x01

0x00 0x05

sum

Range: 0-250

0x54 0x43
0x54 0x43

0x54 0x43

Existence energy value: There are electromagnetic waves in the environment, and the electromagnetic wave frequency changes less when there is no one around.

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Function Description

Transfer direction

Frame header

Control word

Command word

Length Identification

Data
byte2: Static distance Range: 0x01-0x06

byte3: Motion energy value Range: 0-250

byte4: Motion distance Range: 0x01-0x08

Checksum field

End of frame

Note
When there is a person in the space, the overall electromagnetic wave reflection will float weakly due to the slight movement caused by breathing (chest breathing).

Stationary distance: The module detects the straight-line distance of human breathing, which is usually no more than 3 meters.

Existence energy value inquiry

Send Response

Motion energy value inquiry

Send Response

Static distance inquiry

Send Response

0x53 0x59 0x53 0x59 0x53 0x59 0x53 0x59 0x53 0x59
0x53 0x59

0x08 0x08 0x08 0x08 0x08
0x08

byte5: Motion speed Range: 0x01-0x14
(Please refer to chapter 9.2 for more information on the Underlying Open function.)

0x81

0x00 0x01

0x0F

sum

0x81

0x00 0x01

Range: 0~250

sum

0x82

0x00 0x01

0x0F

sum

0x82

0x00 0x01

Range: 0~250

sum

0x83

0x00 0x01

0x0F

sum

0x00: No one

0x01: 0.5m

0x83

0x00 0x01

sum

0x02: 1m

0x03: 1.5m

Motion energy value: The amplitude value of motion causes different electromagnetic wave frequency changes.

Motion distance: Detects the distance of the moving target.

0x54 0x43 0x54 0x43 0x54 0x43 0x54 0x43 0x54 0x43

Motion speed: Real-time judgment of the speed of the moving target; the speed is positive (0x01-0x09) when approaching the radar and negative (0x0b-0x14) when moving away. When there is no motion speed, the value is 0a (0m/s), and the speed level progresses in 0.5m/s increments, such as 0x0b is 0+0.5m/s; 0x09 is 0-0.5m/s.

0x54 0x43

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Function Description

Transfer direction

Frame header

Control word

Command word

Length Identification

Send

0x53 0x59

0x08

0x84

0x00 0x01

Motion distance inquiry

Response

0x53 0x59

0x08

0x84

0x00 0x01

Motion speed inquiry

Send Response

Send

Approaching Moving away inquiry

Response

0x53 0x59 0x53 0x59 0x53 0x59
0x53 0x59

0x08 0x08 0x08
0x08

0x85

0x00 0x01

0x85

0x00 0x01

0x86

0x00 0x01

0x86

0x00 0x01

Data
0x04: 2.0m 0x05: 2.5m 0x06: 3m
0x0F
0x00: No one moving 0x01: 0.5m 0x02: 1m 0x03: 1.5m 0x04: 2.0m 0x05: 2.5m 0x06: 3m 0x07: 3.5m 0x08: 4m
0x0F
0x00: No one moving Range: 0x01~0x14
0x0F
0x00: no 0x01:approaching 0x02:moving away

Moving parameters inquiry

Send Response

0x53 0x59 0x53 0x59

0x08 0x08

0x87

0x00 0x01

0x87

0x00 0x01

0x0F Range: 0-100

Checksum field

End of frame

0x54 sum
0x43

Note

0x54 sum
0x43

0x54 sum
0x43
0x54 sum
0x43
0x54 sum
0x43

00:Nobody/stationay/disorganized

0x54

sum

movement

0x43

01: Approach for 3s Radar

02: Continuous 3s Away from Radar

0x54 sum
0x43

0x54 sum
0x43

9.2 Underlying Open function information

Function Point

Parameter Data Content Function Description

Reporting of

1. Existence energy value (Statics Existence energy value:

human presence noise of environment), range 0-250. a. Feedback of micro-motion noise value in the environment at all times.

information.

b. When there is no one in the space, the existence energy value is low and

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2. Static distance, range 0.5m-3m.

approximates the micro-motion noise in the environment. c. When there is a person standing still in the space (with micro-movements such as chest breathing), the existence energy value will fluctuate at a higher value.

Motion information report

Static distance: The straight-line distance between the micro-motion area in

the environment and the sensor. When there is a person standing still at a

certain position in the space, the straight-line distance between that position

and the radar will be output in real-time.

Example:

Without anyone present:

Energy value is between 0-5, and the static

distance is 0m.

With someone present:

Energy value is between 30-40, and the static

distance is 2.5m.

Motion energy value:

a. Can provide feedback on the constant motion noise in the environment.

b. When there is no human present in the space, the motion energy value is

1. Motion energy value (Motion

low and approximates the constant motion noise in the environment.

noise of environment), range: 0-250 c. When there is human motion present, the motion energy value increases

2. Motion distance, range: 0.5m-4m with the amplitude and proximity of the motion.

3. Motion speed, range: -5m/s to

5m/s

Motion distance:

The straight-line distance between the motion location in the environment

and the sensor. When there is human motion present in the space, the

straight-line distance between the human and the sensor is output in

real-time.

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Motion speed: When there is motion present in the environment, a positive speed value is provided when the object is moving closer to the sensor and a negative speed value is provided when it is moving away. The target’s motion speed is also determined in real-time. Example: Motion energy value:
0-5 when no one is present 15-25 for small movements at a distance by a person 70-100 for large movements up close by a person Motion distance: 3.5m when a person is continuously approaching a certain point Motion speed: +0.5m/s when a person is continuously approaching a certain point.
10. Custom mode description
This instruction mainly focuses on detailed explanations and descriptions of the settings for underlying open parameter settings, and time logic settings in the sensor custom functions.
The parameter configurations of 10.1 to 10.3 are only effective in the custom mode.
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10.1 List of Custom mode information

Function Description

Transfer direction

Frame header

Control word

Custom mode setting

Send

Response

End of

Send

custom mode

settings

Response

Send

0x53 0x59
0x53 0x59 0x53 0x59 0x53 0x59 0x53 0x59

Custom mode query

Response

0x53 0x59

0x05 0x05 0x05 0x05 0x05
0x05

Existence judgment threshold settings

Send

0x53 0x59

0x08

Response

0x53 0x59

0x08

Motion trigger threshold settings

Send

0x53 0x59

0x08

Response

0x53 0x59

0x08

Command word

Length Identification

Data

Custom mode setting

Checksum field

0x09

0x00 0x01

0x01~0x04

sum

0x09

0x00 0x01

0x01~0x04

sum

0x0A

0x00 0x01

0x0F

sum

0x0A

0x00 0x01

0x0F

sum

0x89

0x00 0x01

0x0F

sum

0x89

0x00 0x01

0x01~0x04

sum

Underlying open parameter settings

0x08

0x00 0x01

Range: 0~250

sum

0x08

0x00 0x01

Range: 0~250

sum

0x09

0x00 0x01

Range: 0~250

sum

0x09

0x00 0x01

Range: 0~250

sum

End of frame

Note

0x54 0x43
0x54 0x43 0x54 0x43 0x54 0x43 0x54 0x43
0x54 0x43

0x01: Custom mode 1. 0x02: Custom mode 2. 0x03: Custom mode 3. 0x04: Custom mode 4.
Used to save custom parameters
0x00: Custom mode is not enabled. 0x01: Custom mode 1. 0x02: Custom mode 2. 0x03: Custom mode 3. 0x04: Custom mode 4.

0x54 0x43
0x54 0x43
0x54 0x43
0x54 0x43

The electromagnetic wave threshold values for presence or absence of people in the environment are preset. Please refer to the default values. If there is interference from moving objects, collect the static spatial value and adjust accordingly.
The default value is 33 (Please refer to chapter 10.2 for more information on the Underlying Open
function parameters.) Sensor trigger setting: the setting of motion amplitude when a person enters the environment, which is used to limit false alarms from the outside. Please use the default value as a priority.
The default value is 4 (Please refer to chapter 10.2 for more information on the Underlying Open

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Function Description

Transfer direction

Frame header

Control word

Command word

Length Identification

Existence perception boundary settings

Send

0x53 0x59

Response

0x53 0x59

0x08 0x08

0x0A

0x00 0x01

0x0A

0x00 0x01

Motion Trigger Boundary Setting

Send

0x53 0x59

0x08

Response

0x53 0x59

0x08

0x0B

0x00 0x01

0x0B

0x00 0x01

Motion trigger time setting

Send

0x53 0x59

Response

0x53 0x59

0x08 0x08

0x0C

0x00 0x04

0x0C

0x00 0x04

Motion-to-Stil l Time setting

Send

0x53 0x59

0x08

0x0D

0x00 0x04

Response

0x53 0x59

0x08

0x0D

0x00 0x04

Data
0x01: 0.5m 0x02: 1m 0x03: 1.5m 0x04: 2.0m 0x05: 2.5m 0x06: 3m 0x07: 3.5m 0x08: 4m 0x09: 4.5m 0x0a: 5m 0x01: 0.5m 0x02: 1m 0x03: 1.5m 0x04: 2.0m 0x05: 2.5m 0x06: 3m 0x07: 3.5m 0x08: 4m 0x09: 4.5m 0x0a: 5m 0x01: 0.5m 0x02: 1m 0x03: 1.5m 0x04: 2.0m 0x05: 2.5m 0x06: 3m 0x07: 3.5m 0x08: 4m 0x09: 4.5m 0x0a: 5m 0x01: 0.5m 0x02: 1m 0x03: 1.5m 0x04: 2.0m 0x05: 2.5m 0x06: 3m 0x07: 3.5m 0x08: 4m 0x09: 4.5m 0x0a: 5m
Time information
Time information
Time information
Time information

Checksum field

End of frame

Note function parameters.)

Detection range setting of the sensor, used
0x54 to reduce false alarms of the radar and sum
0x43 minimize interference outside the detection
range.

The default value is 5m

0x54

(Please refer to chapter 10.2 for more

sum

0x43

information on the Underlying Open

function parameters.)

Setting the human activity detection

distance is used to reduce radar false

0x54

sum

alarm rates and minimize interference from

0x43

people walking outside the detection range

of the door or glass doors.

The default value is 5m

0x54

(Please refer to chapter 10.2 for more

sum

0x43

information on the Underlying Open

function parameters.)

This is used for time accumulation of

motion triggering to reduce false alarms

0x54 through multiple judgments of triggering. It sum
0x43 can be combined with motion amplitude

trigger thresholds and motion trigger

boundaries to limit performance.

Unit in ms, default 150ms

0x54

(Please refer to chapter 10.3 for more

sum

0x43

information on the Underlying Open

function parameters.)

This parameter is used to adjust the

duration of reporting the current human

motion state. In combination with the

0x54

sum

threshold settings for motion and stillness

0x43

triggering, it can provide a rough indication

of the degree of human motion in the

environment.

0x54

Unit in ms, default 3000ms

sum

0x43

(Please refer to chapter 10.3 for more

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Function Description

Transfer direction

Frame header

Control word

Time for entering no person state setting

Send

Response

0x53 0x59
0x53 0x59

0x08 0x08

Existence judgment threshold inquiry Motion trigger threshold inquiry
Existence perception boundary inquiry

Send Response
Send Response
Send

0x53 0x59 0x53 0x59 0x53 0x59 0x53 0x59 0x53 0x59

Response

0x53 0x59

0x08 0x08 0x08 0x08 0x08
0x08

Motion Trigger Boundary inquiry

Send

0x53 0x59

0x08

Response

0x53 0x59

0x08

Motion trigger Time inquiry

Send Response

0x53 0x59 0x53 0x59

0x08 0x08

Command word

Length Identification

Data

Checksum field

0x0E

0x00 0x04

Time information

sum

0x0E

0x00 0x04

Time information

sum

Underlying open parameter inquiry

0x88

0x00 0x01

0x0F

sum

0x88

0x00 0x01

Range: 0~250

sum

0x89

0x00 0x01

0x0F

sum

0x89

0x00 0x01

Range: 0~250

sum

0x8A

0x00 0x01

0x0F

sum

0x01: 0.5m 0x02: 1m

0x03: 1.5m 0x04: 2.0m

0x8A

0x00 0x01

0x05: 2.5m 0x06: 3m

sum

0x07: 3.5m 0x08: 4m

0x09: 4.5m 0x0a: 5m

0x8B

0x00 0x01

0x0F

sum

0x01: 0.5m 0x02: 1m

0x03: 1.5m 0x04: 2.0m

0x8B

0x00 0x01

0x05: 2.5m 0x06: 3m

sum

0x07: 3.5m 0x08: 4m

0x09: 4.5m 0x0a: 5m

0x8C

0x00 0x01

0x0F

sum

0x8C

0x00 0x01

Time information

sum

End of frame

Note

information on the Underlying Open function parameters.)

0x54 0x43

If the radar does not detect any breathing movements for a certain period of time, it will automatically enter a no-person state. This parameter is used to manually set the time for quickly entering the no-person state.

0x54 0x43

Unit in ms, default 30000ms (Please refer to chapter 10.3 for more information on the Underlying Open

function parameters.)

0x54 0x43 0x54 0x43 0x54 0x43 0x54 0x43 0x54 0x43

0x54 0x43

0x54 0x43

0x54 0x43

0x54 0x43 0x54 0x43

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Function Description

Transfer direction

Motion-to-Stil l Time inquiry

Send Response

Time for entering no person state inquiry

Send Response

Frame header
0x53 0x59 0x53 0x59 0x53 0x59
0x53 0x59

Control word 0x08 0x08 0x08
0x08

Command word 0x8D 0x8D 0x8E
0x8E

Length Identification 0x00 0x01 0x00 0x01 0x00 0x01
0x00 0x01

Data 0x0F Time information 0x0F
Time information

Checksum field sum sum sum
sum

End of frame 0x54 0x43 0x54 0x43 0x54 0x43
0x54 0x43

Note
The Time for entering no person state in the low-level open parameters is different from that in the standard mode. In the low-level open parameters, this time value can be freely set to any value (not exceeding 1 hour), but in the standard mode, only specific values can be set.

10.2 Underlying open parameter settings

Function Point

Parameter Data Content

Function Description

Existence judgment threshold: For distinguishing between the presence and absence of people based on the different energy levels in the environment, an appropriate threshold value can be set to form a simple discrimination criterion for determining the presence or absence of people.

Existence judgment threshold settings

Existence judgment threshold, range from 0 to 250.

Example: When there is no one around: 0-5 When someone is present: 30-40 The existence judgment threshold is set to: 6-29 This can be used as a simple criterion for distinguishing between the presence and absence of people. (Threshold values can be adjusted based on actual judgment requirements to control the difficulty level of determining the presence or absence of people.)

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Motion trigger threshold:

By setting an appropriate threshold value based on the different motion

energy levels in the environment when there is no one around, when

someone is moving slightly, and when someone is moving significantly, a

simple discrimination criterion for distinguishing between the active and

still states can be formed.

Example:

When there is no one around: 0-5

Motion trigger threshold settings

Motion trigger threshold, range from 0 to 250.

When someone is still with slight body movements: 7-9 When someone is moving slightly at a distance: 15-20 When someone is moving significantly at close range: 60-80

The motion trigger threshold is set to: 10-14

This can serve as a simple criterion for distinguishing between active and

still states.

(Threshold values can be adjusted based on actual judgment

requirements to control the level of difficulty in triggering motion

detection.)

Existence perception boundary settings

Existence perception boundary, range from 0.5m to 5m.

Existence perception boundary: For the detection of stationary (slightly moving) targets in space, the radar can output its stationary distance in real-time. Therefore, by setting the existence perception boundary, the range of motion sensing can be controlled, which can in turn control the range of distinguishing between the presence and absence of people. Example: In the current environment: The real-time stationary distance of a stationary (slightly moving) target is

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Motion Trigger

Range of motion detection

Boundary Setting boundary: 0.5m to 5m.

3m (it is the source of slight movement interference). The existence perception boundary is set to <3m. The overall detection range of human presence can be reduced to less than 3m to exclude interference from non-human sources at 3m. (Set the threshold based on actual judgment to control the range of existence perception boundaries.) Motion triggering boundary: For detecting moving targets in the space, sensor can output real-time distance of the motion. Therefore, by setting the motion triggering boundary, the range of motion triggering can be controlled to determine the boundary between inactive (no person) and active (with person) states. Example: In the current environment: Real-time motion distance of a moving target: 3.5m (it is a motion interference source, such as a continuously rotating fan motor) Motion trigger boundary setting: 3.5m The overall range of motion detection can be reduced to less than 3.5m by setting the motion trigger boundary, which can exclude interference sources that are not human-made at 3.5m. (Thresholds can be set based on actual judgment to control the range of motion trigger boundaries.)

10.3 The setting for Time logic

Function Point
Motion trigger time setting

Parameter Data Content

Function Description

Motion trigger time, range: 0~1000ms.

Motion trigger time: To judge the active state, the following conditions must be met to be

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Motion-to-Still Time setting

Motion-to-Still time, range 1~60s.

considered as an active state. a. The motion energy value is greater than the motion trigger threshold. b. Within the motion trigger boundary. c. Continuously meeting the threshold and boundary conditions within the set motion trigger time. With the participation of these three setting parameters, a relatively complete and detailed standard for judging the transition from stillness to activity is formed. Example: In the current environment: The target has been moving continuously for 1 second. Real-time spatial motion value: 30-40. Real-time motion distance: <2.5m. Motion trigger threshold setting: 15. Motion trigger boundary setting: 3m. Motion trigger time setting: 0.8s. At this moment, the target’s motion energy value is greater than the set threshold, the motion distance is within the set boundary, and the target has been moving for more than the set time, so it can be judged as an active state. (Adjust the trigger time according to actual judgment to control the difficulty of motion triggering.) Motion-to-Still time: To determine the still state, the following conditions must be met: a. The motion energy value is less than the motion trigger threshold b. The above threshold condition is continuously satisfied within the set motion-to-still time These two setting parameters contribute to forming a more complete and

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detailed standard for determining the transition from active to still state.

Example:

In the current environment:

Target has been stationary for 2 seconds

Real-time motion value: 10

Motion trigger threshold setting: 15

Motion-to-still time setting: 1s

At this moment, the motion energy value of the target is lower than the set

threshold, and the duration of stillness exceeds the set time. Therefore, it

can be judged as a still state.

(Setting the time according to actual judgment to control the difficulty of

maintaining stillness)

Enter unmanned state time:

To determine the absence of people in the space, the following three

conditions must be met to judge the unmanned state:

a. The motion energy value is less than the motion trigger threshold

b. There is an energy value less than the presence judgment threshold

c. It is outside the presence judgment boundary

Time for entering no person state setting

The range for the time it takes to

d. Within the set time to enter the unmanned state, the above three

transition from a person-present

conditions are continuously satisfied

state to a person-absent state is 0s to These four setting parameters work together to form a more complete

3600s.

and detailed standard for determining the unmanned state.

Example:

In the current environment:

No person present

Real-time motion energy value: 10

Real-time existence energy value: 2

Target movement distance: 4.5m

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Target stationary distance: 4m Existence judgment threshold setting: 40 Motion trigger threshold setting: 30 Motion trigger boundary: 3m Existence judgment boundary: 3m Time to enter unmanned state setting: 50s At this moment, the motion energy value, existence energy value, and dynamic and static distance all meet the conditions for judging unmanned state. After continuing for 50s, the system enters unmanned state. (The time setting for entering unmanned state can be adjusted according to actual needs to control the difficulty of entering unmanned state.)
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