Milesight VS121 User manual
AI Workplace
Occupancy Sensor
Featuring LoRaWAN®
VS121
User Guide
2
Safety Precautions
Milesight will not shoulder responsibility for any loss or damage resulting from not following the
instructions of this operating guide.
The device must not be disassembled or remodeled in any way.
To avoid risk of fire and electric shock, do keep the product away from rain and moisture
before installation.
Do not place the device where the temperature is below/above the operating range.
Do not touch components which may be hot.
The device must never be subjected to shocks or impacts.
Make sure the device is firmly fixed when installing.
Make sure the plug is firmly inserted into the power socket.
Do not expose the device to where a laser beam equipment is used.
Use a soft, dry cloth to clean the lens of the device. Stubborn stains can be removed using a
cloth dampened with a small quantity of detergent solution, then wipe them dry.
Declaration of Conformity
VS121 is in conformity with the essential requirements and other relevant provisions of the CE,
FCC, and RoHS.
Copyright © 2011-2023 Milesight. All rights reserved.
All information in this guide is protected by copyright law. Whereby, no organization or individual
shall copy or reproduce the whole or part of this user guide by any means without written
authorization from Xiamen Milesight IoT Co., Ltd.
For assistance, please contact
Milesight technical support:
Email: iot.support@milesight.com
Support Portal: support.milesight-iot.com
Tel: 86-592-5085280
Fax: 86-592-5023065
Address: Building C09, Software Park
Phase III, Xiamen 361024,
China
3
Revision History
Date
Doc Version
Description
Apr. 26, 2021
V 1.0
Initial version
Jan. 18, 2022
V 1.1
1. Support line crossing counting feature;
2. Support D2D feature;
3. Support people counting debounce;
4. Support uploading max number of people;
5. Support downlink control.
Apr. 8, 2022
V 1.2
1. Milesight LOGO update;
2. Support recognition scheme selection.
June 20, 2022
V 1.3
1. Update web GUI menu;
2. Support customize people counting detection
area to 16 regions;
3. Add recommended installation guide and line
drawing note.
Dec. 14, 2022
V 1.4
1. Support per region people counting uplinks
2. Add private mask feature
3. Add LoRaWAN single channel mode
4. Add Wi-Fi SSID broadcast option
5. Delete Auto Reboot, the LoRaWAN V1.1.0
option
6. Support live view blur process and delete
Image Config
Mar. 9, 2023
V1.5
1. Add privacy mode under activation page
2. Support filter U-turns feature
Apr. 20, 2023
V1.6
Add installation height of high ceiling mount
version
4
Contents
1. Product Introduction......................................................................................................................... 5
1.1 Overview ...................................................................................................................................5
1.2 Key Features ............................................................................................................................ 5
2. Hardware Introduction ...................................................................................................................... 5
2.1 Packing List ..............................................................................................................................5
2.2 Hardware Overview ................................................................................................................. 6
2.3 Buttons and LED Indicators .................................................................................................... 6
2.4 Dimensions (mm) .................................................................................................................... 6
3. Access the Sensor .............................................................................................................................7
3.1 Access without Plugin .............................................................................................................7
3.2 Access with Plugin .................................................................................................................. 8
4. Operation Guide ...............................................................................................................................10
4.1 Live Video ...............................................................................................................................10
4.2 IoT-People Counting ..............................................................................................................11
4.2.1 Region People Counting .............................................................................................11
4.2.2 Line Crossing Counting .............................................................................................. 12
4.2.3 Recognition Scheme .................................................................................................. 13
4.2.4 Privacy Mask ...............................................................................................................14
4.3 IoT-Communication ...............................................................................................................15
4.3.1 LoRaWAN .................................................................................................................... 15
4.3.2 Milesight D2D ..............................................................................................................17
4.3.3 Wi-Fi ............................................................................................................................. 17
4.4 System ................................................................................................................................... 19
5. Mount the Sensor ............................................................................................................................ 22
5.1 Recommended Height for Certain Object ............................................................................22
5.2 Illuminance Requirements for AI Analysis ...........................................................................23
5.3 Recommended Installation for Line Crossing Counting .....................................................23
5.4 Factors Affecting Accuracy .................................................................................................. 24
5.5 Ceiling Installation .................................................................................................................24
6. Device Payload ................................................................................................................................ 25
6.1 Uplink Data .............................................................................................................................25
6.2 Downlink Command .............................................................................................................. 27
5
1. Product Introduction
1.1 Overview
VS121, based on Artificial Intelligence (AI) technology, is an AI workplace sensor designed to mo
nitor occupancy & utilization in modern workspace, which can reach up to 98% recognition rate.
Only counter values are transmitted over LoRaWAN®network to prevent privacy concerns.
VS121to prevent the privacy concerns. VS121 is equipped with Wi-Fi for easy configuration with
out any tools.
Sensor data are transmitted in real-time using standard LoRaWAN®protocol. LoRaWAN®
enables encrypted radio transmissions over long distance while consuming very little power. The
user can obtain sensor data and view the trend of data change through the user’s own network
server.
1.2 Key Features
Recognition rate is up to 98% based on advanced AI identification and analysis technology
and wide detection range
Support to map up to 16 custom regions
No image data is collected, free from privacy concerns
Equipped with Wi-Fi for web GUI configuration
Function well with standard LoRaWAN®gateways and network servers
2. Hardware Introduction
2.1 Packing List
1 × VS121 Device
4 × Wall Mounting
Kits
1 ×
Type-C Cable (1 m) &
Power Adapter
1 ×
Mounting Sticker
6
1 ×
Warranty Card
1 ×
Quick Guide
If any of the above items is missing or damaged, please contact your sales representative.
2.2 Hardware Overview
2.3 Buttons and LED Indicators
Function
Action
LED Indication
Turn On/Off Wi-Fi
Press and hold the Wi-Fi button for more than 3 seconds.
Off →On
Press and hold the Wi-Fi button for more than 3 seconds.
On →Off
Reset to Factory
Default
Press and hold the reset button for more than 10
seconds.
Blinks 6 times.
2.4 Dimensions (mm)
7
3. Access the Sensor
VS121 sensor provides user-friendly web GUI for configuration and users can access it via Wi-Fi
connection. The recommended browsers are Internet Explorer, Firefox, Chrome, Microsoft Edge,
Safari. The default IP of sensor is 192.168.1.1, and default SSID is Workplace Sensor_XXXXXX
(can be found on the label).
3.1 Access without Plugin
Step 1: Power on the device.
Step 2: Enable the Wireless Network Connection on your computer and search for corresponding
access point, then connect computer to this access point.
Step 3: Open the Browser and type 192.168.1.1 to access the web GUI.
Step 4: Select the language.
Step 5: Users need to set the password and privacy mode when using the sensor for the first
time. And three security questions can also be set optionally. After configuration, use username
(admin) and custom password to log in the sensor.
Note:
1) Password must be 8 to 32 characters long, containing at least one number and one letter.
2) You can click the “forgot password” in login page to reset the password by answering three
security questions when you forget the password, if you set the security questions in advance.
8
3.2 Access with Plugin
For IE browser access, users need to install the MsActiveX firstly. You can refer the steps as
follows:
Step1: Launch the IE browser and enter the IP address of the sensor;
Step2: Enter the user name and custom password and click “Login”;
Step3: At the first time to log in the device, the browser will prompt to install Controls, please
click “Click here to download and install controls manually” as shown below;
Note：During installing the controls, please keep the browsers close.
Step4: Follow the prompts to install the Controls, when it`s finished, it will pop out a window as
shown below. Please click “Finish” and refresh the browser, then you will see the video.
9
If IE9 or higher version browser is used, it is suggested that the web link should be added as a
trusted site. See the instructions as follows:
Step1: Start the IE9 or higher version browser, and select “Tools”“Internet Options”;
Step2: Select “Security” to “Trusted”;
Step3: Enter the IP address of the device in the blank and click “Add”;
10
Step4: Enter the IP address. After logging on web GUI successfully, user is allowed to view live
video.
4. Operation Guide
4.1 Live Video
After logging on to the device web GUI successfully, user is allowed to view live video as follows.
Parameters
Description
Click to access the configuration page
People Counting (Region): show the mapped or non-mapped regions of
people counting
Line Crossing Counting: show the detection line and counting people it
detected
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