User Guide for Milesight models including: WS202, WS202 LoRaWAN PIR and Light Sensor, LoRaWAN PIR and Light Sensor, PIR and Light Sensor, Light Sensor, Sensor

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ws202-user-guide-en
PIR & Light Sensor
Featuring LoRaWAN®
WS202
User Guide

Safety Precautions
Milesight will not shoulder responsibility for any losses or damages resulting from not following the instructions of this operating guide.  The device must not be modified in any way.  Do not expose the PIR lens to direct sunlight.  Do not paint or clean the PIR lens, or it will affect the detection of the device.  Do not place the device where the temperature is below/above the operating range.  Do not place the device close to objects with naked flames, heat source (oven or sunlight),
cold source, liquid and extreme temperature changes.  The device is not intended to be used as a reference sensor, and Milesight will not take
responsibility for any damages which may result from inaccurate readings.  When installing the battery, please install it accurately, and do not install the reverse or
wrong model.  Remove the battery if the device will not be used for a long time. Otherwise, the battery will
leak and damage the device.  The device must never be subjected to shocks or impacts.
Declaration of Conformity
WS202 conforms 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.mileisght-iot.com Tel: 86-592-5085280 Fax: 86-592-5023065 Address: Building C09, Software Park III,
Xiamen 361024, China
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Revision History
Date July 15, 2021
Sept. 10, 2021
Jan. 16, 2023 May 15, 2023

Doc Version V 1.0 V 1.1
V 1.2 V 1.3

Description Initial version 1. Add Milesight D2D feature; 2. Support light collection enabled/disabled; 3. Delete low power alarm interval, device only uplinks once when battery level is lower than 10%. 1. Add Single-Channel mode; 2. Add Milesight D2D LoRa Uplink feature. 3. Add reboot downlink command. Add blocking stickers

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Contents
1. Product Introduction ......................................................................................................................... 5 1.1 Overview ...................................................................................................................................5 1.2 Features ................................................................................................................................... 5
2. Hardware Introduction ...................................................................................................................... 5 2.1 Packing List ..............................................................................................................................5 2.2 Hardware Overview ................................................................................................................. 6 2.3 Dimensions (mm) .................................................................................................................... 6 2.4 LED Patterns ............................................................................................................................ 7
3. Operation Guide .................................................................................................................................7 3.1 NFC Configuration ................................................................................................................... 7 3.2 LoRaWAN Settings .................................................................................................................. 8 3.3 General Settings .................................................................................................................... 11 3.4 Threshold Settings ................................................................................................................ 11 3.5 Milesight D2D Settings ..........................................................................................................12 3.6 Maintenance .......................................................................................................................... 12 3.6.1 Upgrade ....................................................................................................................... 12 3.6.2 Backup .........................................................................................................................13 3.6.3 Reset to Factory Default .............................................................................................14
4. Installation ....................................................................................................................................... 14 5. Device Payload ................................................................................................................................ 15
5.1 Basic Information .................................................................................................................. 16 5.2 Sensor Data ........................................................................................................................... 16 5.3 Downlink Commands ............................................................................................................ 17
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1. Product Introduction
1.1 Overview
WS202 is a PIR sensor based on passive infrared technology to detect a motion or occupancy. WS202 can detect whether there is a movement within the range of 6-8 m. Besides, WS202 equips with a light sensor which can link PIR detection results to trigger scenes. WS202 can be widely used in smart homes, smart offices, schools, warehouses, etc.
Sensor data are transmitted in real-time using the standard LoRaWAN® protocol. LoRaWAN® enables encrypted radio transmissions over long distances while consuming very little power. The user can get an alarm through Milesight IoT Cloud or through the user's own Application Server.
1.2 Features
 Built-in light sensor, combine PIR sensor to achieve triggers  Up to 15 km communication range  Easy configuration via NFC  Standard LoRaWAN® support  Compatible with Milesight IoT Cloud
2. Hardware Introduction 2.1 Packing List

1× WS202 Sensor

2× Wall Mounting Kits

1× 3M Tape

3× Blocking Stickers

1× Quick Guide

If any of the above items is missing or damaged, please contact your sales representative.

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2.2 Hardware Overview PIR Area 2.3 Dimensions (mm)
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2.4 LED Patterns

Function PIR Detection
Network Status Reboot Reset to Factory Default

Action PIR is triggered (network unregistered) PIR is triggered (network registered) Send join network requests Joined the network successfully Press and hold the reset button for more than 3s
Press and hold the reset button for more than 10s

LED Indicator Red, blink once Green, blink once Red, blinks once Green, blinks twice Slowly blinks
Quickly blinks

3. Operation Guide
3.1 NFC Configuration
WS202 can be configured via an NFC-enabled smartphone. 1. Pull out the battery insulating sheet to power on the device. The indicator will light up in green for 3 seconds when the device turns on.

2. Download and install "Milesight ToolBox" App from Google Play or App Store. 3. Enable NFC on the smartphone and open Milesight ToolBox. 4. Attach the smartphone with NFC area to the device to read device information.
5. Basic information and settings of the device will be shown on ToolBox if it's recognized successfully. You can read and configure the device by tapping the Read/Write device on the App. In order to protect the security of the device, password validation is required when configuring via a new smartphone. The default password is 123456. Note:
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1) Check the location of the smartphone NFC area and it's recommended to take off the phone case. 2) If the smartphone fails to read/write configurations via NFC, move the phone away and back to try again. 3) WS202 can also be configured by ToolBox software via a dedicated NFC reader provided by Milesight IoT, you can also configure it via TTL interface inside the device.
3.2 LoRaWAN Settings
Go to Device > Setting > LoRaWAN Settings of ToolBox App to configure join type, App EUI, App Key and other information. You can also keep all settings by default.

Parameters

Description

Device EUI

Unique ID of the device which can also be found on the label.

App EUI

Default App EUI is 24E124C0002A0001.

Application Port The port used for sending and receiving data. The default port is 85.

Join Type

OTAA and ABP modes are available.

LoRaWAN Version V1.0.2, V1.0.3 are available.

Work Mode

It's fixed as Class A.

Application Key Appkey for OTAA mode, default is 5572404C696E6B4C6F52613230313823.

Device Address DevAddr for ABP mode, default is the 5th to 12th digits of SN.

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Network Session Key
Application Session Key RX2 Data Rate RX2 Frequency
Channel Mode

Nwkskey for ABP mode, default is 5572404C696E6B4C6F52613230313823.
Appskey for ABP mode, default is 5572404C696E6B4C6F52613230313823.
RX2 data rate to receive downlinks or send D2D commands. RX2 frequency to receive downlinks or send D2D commands. Unit: Hz Select Standard-Channel mode or Single-Channel mode. When Single-Channel mode is enabled, only one channel can be selected to send uplinks. Please enable Single-Channel mode if you connect device to DS7610. Enable or disable the frequency to send uplinks.

Channel
If frequency is one of CN470/AU915/US915, enter the index of the channel that you want to enable and make them separated by commas. Examples: 1, 40: Enabling Channel 1 and Channel 40 1-40: Enabling Channel 1 to Channel 40 1-40, 60: Enabling Channel 1 to Channel 40 and Channel 60 All: Enabling all channels Null: Indicates that all channels are disabled

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Spread Factor If ADR is disabled, the device will send data via this spread factor.

If the device does not receive ACK packet from network server, it will resend Confirmed Mode
data once.

Reporting interval  30 mins: the device will send a specific number of

LinkCheckReq MAC packets to the network server with periodic or threshold

uplinks everytime more than 25~35 mins passes to validate connectivity; If

Rejoin Mode

there is no response, the device will re-join the network. Reporting interval > 30 mins: the device will send a specific number of

LinkCheckReq MAC packets to the network server every reporting interval to

validate connectivity; If there is no response, the device will re-join the

network.

Set the number of When join mode is enabled, set the number of LinkCheckReq packets sent.

packets sent Note: the actual sending number is Set the number of packet sent + 1.

ADR Mode

Allow network server to adjust data rate of the device. This only works with Standard Channel Mode.

Tx Power

Transmit power of device.

Note:

1) Please contact sales representative for device EUI list if there are many units.

2) Please contact sales representative if you need random App keys before purchase.

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3) Select OTAA mode if you use Milesight IoT Cloud to manage devices. 4) Only OTAA mode supports rejoin mode.
3.3 General Settings
Go to Device > Setting > General Settings of ToolBox App to change the reporting interval, etc.

Parameters

Description

The interval of reporting PIR, light status and battery level to network

server. Default: 30 mins, Range: 1 - 1080 mins Reporting Interval
Note: WS202 will also report "Occupied" status immediately when it

detects motions.

Idle Time

When the PIR sensor does not detect motion for a period of Idle Time,

Reporting/s device will report "Vacant" status. Default: 120 s

LED Indicator

Enable or disable the light indicating in chapter 2.4. Note: The indicator of reset button is not allowed to disable.

Illuminance

Enable or disable illuminance collection. When this is disabled, reporting

Collection

interval will be changed to 1080 mins automatically.

Change Password Change the password for ToolBox App to write this device.

3.4 Threshold Settings
When illuminance collection is enabled, users can define the Bright or Dark state via detection data of light sensor in threshold settings. Besides, when the PIR sensor is triggered and light status meets the threshold, WS202 will send alarms immediately. Otherwise, it will not send data right away.

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3.5 Milesight D2D Settings
Milesight D2D protocol is developed by Milesight and used for setting up transmission among Milesight devices without gateway. When the Milesight D2D setting is enabled, WS202 can work as a Milesight D2D controller to send control commands to trigger Milesight D2D agent devices. 1. Configure RX2 datarate and RX2 frequency in LoRaWAN® settings, it is suggested to change the default value if there are many LoRaWAN® devices around. 2. Go to Device > Settings > D2D Settings to enable D2D function, and define an unique Milesight D2D key which is the same as Milesight D2D agent devices, then select the frequency and spreading factor. (Default Milesight D2D Key: 5572404C696E6B4C6F52613230313823)
3. Enable one of WS202 status and configure a 2-byte hexadecimal command (This command is pre-defined in Milesight D2D agent device). When WS202 detects this status, it will send the control command to corresponding Milesight D2D agent devices.
Note: If you enabled LoRa Uplink feature, LoRaWAN® uplink that contains the PIR status and light status will be sent to gateway after Milesight D2D control command is sent.
3.6 Maintenance
3.6.1 Upgrade
1. Download firmware from Milesight website to your smartphone. 2. Open ToolBox App and click "Browse" to import firmware and upgrade the device.
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Note: 1) Operation on ToolBox is not supported during upgrade. 2) Only Android version ToolBox supports the upgrade feature.
3.6.2 Backup
WS202 supports configuration backup for easy and quick device configuration in bulk. Backup is allowed only for devices with the same model and LoRaWAN® frequency band. 1. Go to Template page on the App and save current settings as a template. You can also edit the template file. 2. Select one template file that saved in the smartphone and click Write, then attach it to another device to write configuration.
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Note: Slide the template item to the left to edit or delete the template. Click the template to edit the configurations.
3.6.3 Reset to Factory Default
Please select one of the following methods to reset device: Via Hardware: Hold on the reset button for more than 10s. After reset complete, the indicator will blink in green twice, then device will reboot. Via ToolBox App: Go to Device > Maintenance to tap Reset, then attach smartphone with NFC area to device to complete reset.
4. Installation
Blocking Sticker Paste: For applications requiring detection angle control, such as work station, in order to prevent accidental detection of people around the station, please paste the blocking stickers on the sensor along the bottom of the PIR lens for range shielding. Each sticker can cover about a 180° range. After paste the stickers along the bottom of the lens and wrapping the sensor 360°, the detection area has changed to 70° Horizontal, 60° Vertical. Note: The detection area may be affected by manual pasting, potentially introducing errors.
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3M Tapes Fix: Paste 3M tape to the back of the device, then tear the other side and place it on a flat surface.

Screw Fix: Remove the back cover of the device, screw the wall plugs into the wall and fix the cover with scr ews on it, then install back the device.

Note: 1. Adjust the installation direction according to detection area requirement. 2. WS202 can be mounted on a wall or ceiling. It's recommended to install at 1.5~2.5m from the floor. 3. Ensure the detection area does not have moving objects like waving trees and fans. 4. Ensure the detection area is not blocked by curtains or barriers.

5. Device Payload

All data are based on the following format (HEX), the Data field should follow little-endian:

Channel1 Type1 Data1 Channel2 Type2 Data2 Channel 3 ...

1 Byte 1 Byte N Bytes 1 Byte 1 Byte M Bytes 1 Byte

...

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For decoder examples, you can find them at https://github.com/Milesight-IoT/SensorDecoders.

5.1 Basic Information

WS202 reports basic information of the device whenever it joins the network.

Channel

Type

Description

01(Protocol Version) 08 (Device SN)

01=> V1 12 digits

09 (Hardware Version) ff
0a (Software Version)

01 40 => V1.4 01 14 => V1.14

0b (Power On)

Device is on

0f (Device Type)

00: Class A, 01: Class B, 02: Class C

Example:
Channel ff
Channel ff
Channel ff

ff0bff ff0101 ff086538b2232131 ff090100 ff0a0101 ff0f00

Type 0b
(Power On) Type
08(Device SN) Type 0a
(Software version)

Value

Channel

ff (Reserved)

ff

Value 6538b22321
31 Value

Channel ff
Channel

0101

(V1.1)

ff

Type 01
(Protocol Version) Type 09
(Hardware version) Type
0f (Device Type)

Value
01 (V1)
Value 0100 (V1.0) Value
00 (Class A)

5.2 Sensor Data

WS202 reports sensor data and battery level according to reporting interval (30 mins by default)

or when PIR/light status changes. Besides, when battery level is lower than 10%, it will upload

battery packet once.

Channel

Type

Description

01

75 (Battery Level) UINT8, Unit: %

01: Occupied

03

00 (PIR Status)

00: Vacant

01: Bright

04

00 (Light Status)

00: Dark

Example:

01 75 64 03 00 01 04 00 01

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Channel 01
Channel
04

Type 75 (Battery)
Type 00 (Light Status)

Value 64 => 100%
Value
01=> Bright

Channel

Type

03

00 (PIR Status)

Value 01=> Occupied

5.3 Downlink Commands

WS202 supports downlink commands to configure the device. The application port is 85 by

default.

Channel

Type

Description

03 (Set Reporting Interval) ff
10 (Reboot)

2 Bytes, unit: s ff (Reserved)

Example: 1. Set reporting interval as 20 minutes.

ff03b004

Channel ff

Type 03 (Set Reporting
Interval)

Value b0 04 => 04 b0 = 1200s
= 20 minutes

2. Reboot the device.
Channel ff

ff10ff Type 10 (Reboot)

Value ff (Reserved)

-END-

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References

WPS 文字