Milesight WS302-868M Bedienungsanleitung
Sound Level Sensor
Featuring LoRaWAN®
WS302
User Guide
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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 remodeled in any way.
In order to protect the security of the device, please change the device password when first
configuration. The default password is 123456.
Do not place the device outdoors where the temperature is below/above 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 damage which may result from inaccurate readings.
The battery should be removed from the device if it is not to be used for an extended period.
Otherwise, the battery might leak and damage the device. Never leave a discharged battery
in the battery compartment.
The device must never be subjected to shocks or impacts.
Declaration of Conformity
WS302 is in conformity with the essential requirements and other relevant provisions of the CE,
FCC, and RoHS.
Copyright © 2011-2022 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
Tel: 86-592-5085280
Fax: 86-592-5023065
Address: Building C09, Software Park III,
Xiamen 361024, China
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Revision History
Date
Doc Version
Description
June 9, 2022
V 1.0
Initial version
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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 LED Patterns ............................................................................................................................ 6
2.4 Dimensions .............................................................................................................................. 6
3. Power Supply .....................................................................................................................................6
4. Operation Guide .................................................................................................................................7
4.1 NFC Configuration ...................................................................................................................7
4.2 LoRaWAN Settings .................................................................................................................. 8
4.3 Basic Settings ........................................................................................................................ 10
4.4 Advanced Settings ................................................................................................................ 11
4.4.1 Calibration Settings .................................................................................................... 11
4.4.2 Threshold Settings ..................................................................................................... 11
4.5 Maintenance .......................................................................................................................... 12
4.5.1 Upgrade ....................................................................................................................... 12
4.5.2 Backup .........................................................................................................................12
4.5.3 Reset to Factory Default .............................................................................................13
5. Installation ....................................................................................................................................... 14
6. Device Payload ................................................................................................................................ 15
6.1 Basic Information .................................................................................................................. 15
6.2 Sensor Data ........................................................................................................................... 16
6.3 Downlink Commands ............................................................................................................ 17
Appendix .............................................................................................................................................. 18
Sound Level Guidelines ............................................................................................................... 18
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1. Product Introduction
1.1 Overview
WS302 is a LoRaWAN®sound level sensor with an integrated microphone. WS302 can not only
measure a wide range of noise levels and send various kinds of noise level values via
LoRaWAN®network, but also supports multiple weighting measurements for different
application scenarios. WS302 can be widely used in smart buildings, smart cities, schools,
health monitoring, 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 obtain sensor data and view the trend of data change through Milesight IoT Cloud
or through the user's own Application Server.
1.2 Features
Robust LoRa connectivity for secure long range transmission
Support multiple weighting measurements to suit different scenes
Support measuring various kinds of values to judge the sound level accurately
Easy configuration via NFC
Equipped with LED indicator to indicate the threshold alarm
Standard LoRaWAN®supported
Milesight IoT Cloud compliant
2. Hardware Introduction
2.1 Packing List
1 × WS302 Device
2 × ER14505 Li-SOCl2
Batteries
1 × 3M Double-Sided
Tape
2 × Wall
Mounting Kits
1 ×
Theft-Deterring Screw
1 ×
Quick Guide
1 ×
Warranty Card
If any of the above items is missing or damaged, please contact your sales representative.
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2.2 Hardware Overview
2.3 LED Patterns
Function
Action
LED Indicator
Power ON/OFF
Press and hold the power button for
more than 3 seconds
Power On: Off →On
Power Off: On →Off
Reset to Factory
Default
Press and hold the power button for
more than 10 seconds
Quickly Blinks
Threshold Alarm
When the level does not exceed the
threshold
Green Blinks
When the level exceeds the threshold for
more than 1 minute
Red Blinks
2.4 Dimensions (mm)
3. Power Supply
Remove the rear cover of the device to install the batteries, do not reverse the direction of the
batteries when installing.
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Note: The device can only be powered by ER14505 Li-SOCl2batteries.
4. Operation Guide
4.1 NFC Configuration
WS302 can be configured via an-NFC supported mobile phone.
1. Download and install “Milesight ToolBox” App from Google Play or Apple App Store.
2. Enable NFC on the smartphone and open Milesight ToolBox.
3. Attach the smartphone with NFC area to the device to read device information.
4. Basic information and settings of devices will be shown on ToolBox if it’s recognized
successfully. You can read and configure the device by tapping the Read/Write button on the
App. In order to protect the security of devices, password validation is required when first
configuration. The default password is 123456.
Note:
1) Ensure 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, keep the phone away and back
to try again.
3) WS302 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.
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4.2 LoRaWAN Settings
LoRaWAN settings are used for configuring the transmission parameters in LoRaWAN®network.
Basic 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, default port is 85.
Join Type
OTAA and ABP modes are available.
Application Key
Appkey for OTAA mode, default is 5572404C696E6B4C6F52613230313823.
Device Address
DevAddr for ABP mode, default is the 5th to 12th digits of SN.
Network Session
Key
Nwkskey for ABP mode, default is 5572404C696E6B4C6F52613230313823.
Application
Session Key
Appskey for ABP mode, default is 5572404C696E6B4C6F52613230313823.
Spread Factor
If ADR is disabled, the device will send data via this spread factor.
Confirmed Mode
If the device does not receive ACK packet from network server, it will resend
data once.
Rejoin Mode
Reporting interval ≤ 30 mins: the device will send a specific number of
LinkCheckReq MAC packets to the network server every 30 mins to validate
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connectivity; If 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
packets sent
When rejoin mode is enabled, set the number of LinkCheckReq packets sent.
ADR Mode
Allow network server to adjust datarate of the device.
Tx Power
Transmit power of device.
RX2 Data Rate
RX2 data rate to receive downlinks.
RX2
Frequency/MHz
RX2 frequency to receive downlinks.
Note:
1) Please contact sales for device EUI list if there are many units.
2) Please contact sales if you need random App keys before purchase.
3) Select OTAA mode if you use Milesight IoT cloud to manage devices.
4) Only OTAA mode supports rejoin mode.
LoRaWAN Frequency Settings:
Go to Setting -> LoRaWAN Settings of ToolBox App to select supported frequency and select
channels to send uplinks. Make sure the channels match what you set in the LoRaWAN®
gateway.
If frequency is one of CN470/AU915/US915, you can enter the index of the channel that you
want to enable in the input box, separating them by commas.
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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
Note:
For -868M model, default frequency is EU868;
For -915M model, default frequency is AU915.
4.3 Basic Settings
Go to Device Setting -> Basic -> Basic Settings of ToolBox App to change the reporting interval,
etc.
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