Milesight EM300 Series Environment Monitoring Sensor User Guide

June 6, 2024
Milesight

Milesight EM300 Series Environment Monitoring Sensor -
logo EM300 Series Environment Monitoring Sensor
User Guide

Applicability
This guide is applicable to EM300 series sensors shown as follows, except where otherwise indicated.

Model Description
EM300-TH Temperature and Humidity Sensor
EM300-MCS Magnet Switch Sensor
EM300-SLD Spot Leak Detection Sensor
EM300-ZLD Zone Leak Detection Sensor

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.
  • The device is not intended to be used as a reference sensor, and Milesight will not should responsible for any damage which may result from inaccurate readings.
  • Do not place the device close to objects with naked flames.
  • Do not place the device where the temperature is below/above the operating range.
  • Make sure electronic components do not drop out of the enclosure while opening.
  • When installing the battery, please install it accurately, and do not install the reverse or wrong model.
  • Make sure both batteries are the newest when install, or battery life will be reduced.
  • The device must never be subjected to shocks or impacts.

Declaration of Conformity EM300 series is in conformity with the essential requirements and other relevant provisions of the CE, FCC, and RoHS.

Milesight EM300 Series Environment Monitoring Sensor -
icon

FCC Warning
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

Note 1: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is
  • Consult the dealer or an experienced radio/TV technician for help.

Note 2:

  1. Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
  2. The minimum separation generally be used is at least 20 cm.

Copyright © 2011-2021 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 loT Co., Ltd.

For assistance, please contact Milesight technical support:
Email: iot.support@milesight.com
Tel: 86-592-5085280
Fax: 86-592-5023065
Address: 4/F, No.63-2 Wanghai Road,
2nd Software Park, Xiamen, China

Revision History

Date Doc Version Description
Oct. 14, 2020 V 1.0 Initial version
Oct. 21, 2020 V 1.1 Model name change and pictures replace
Nov. 19, 2020 V 2.0 Layout replace
Mar. 4, 2021 V 2.1 Layout update
July 5, 2021 V 2.2 Delete USB Type-C description

OPERATING FREQUENCY:
863.1MHz – 869.9MHz for LORA
13.56MHz for NFC
EIRP (MAX.): 12.96dBm for LORA(Maximum) -35.55dBuA/m at 10m,or 41.45dBuV/m at 3m (Maximum)

Product Introduction

Overview
EM300 series is a sensor mainly used for outdoor environments through a wireless LoRa network. EM300 device is battery powered and designed for multiple mounting ways. It is equipped with NFC (Near Field Communication) and can easily be configured by a smartphone.
Sensor data are transmitted in real-time using the standard LoRaWAN F 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 loT Cloud or through the user’s own Network Server.
Features

  • Up to 11 km communication range
  • Easy configuration via NFC
  • Standard LoRaWAN support
  • Milesight loT Cloud compliant
  • Low power consumption with 4000mAh replaceable battery

Hardware Introduction

Packing List

Milesight EM300 Series Environment Monitoring Sensor - figure
2

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

Hardware Overview

Milesight EM300 Series Environment Monitoring Sensor - figure
3|

---|---
Front View:
1 NFC Area| Bottom View:
2 Vent
3 Waterproof Connectors (For water leakage and magnet switch sensor)

Dimension (mm)

Power Button
Note: The LED indicator and power button are inside the device. Switch on/off and reset can also be configured via NFC.

Function Action LED Indication
Turn On Press and hold the button for more than 3 seconds. Off -1- On
Turn Off Press and hold the button for more than 3 seconds. On -> Off
Reset Press and hold the button for more than 10 seconds. Blink 3 times.
Check On/Off Status Quickly press the power button. Light On: Device is on.

Light Off: Device is off.

Operation Guide

NFC Configuration
EM300 series can be configured via NFC.

  1. Download and install the “Milesight ToolBox” App from Google Play or Apple Store.

  2. Enable NFC on the smartphone and open the “The mile sight ToolBox” App.

  3. Attach the smartphone with NFC area to the device to read basic information.
    Milesight EM300 Series Environment Monitoring Sensor - figure
7

  4. Basic information and settings of devices will be shown on ToolBox if it’s recognized successfully. You can turn on/off the device by tapping the button on the Device Status. In order to protect the security of devices, password validation is required when configuring via unused phones. The default password is 123456.
    Milesight EM300 Series Environment Monitoring Sensor - figure
8

  5.  Tap the “Read” button to check the current status and sensor data of the device.

  6. Tap the “Write” button to write all your settings to the device.

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. EM300 series can also be configured by a dedicated NFC reader provided by Milesight loT or you can configure it via TTL interface inside the device.
    Milesight EM300 Series Environment Monitoring Sensor - figure
9

LoRaWAN Settings

LoRaWAN settings is 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. Milesight EM300 Series Environment Monitoring Sensor - figure
10

Parameters

|

Description

---|---
Device EUI| Unique ID of the device 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, V1.1 are available.
Application Key| Appkey for OTAA mode, default is 5572404C696E6B4C6F52613230313823.
Device Address| Devendra 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 an ACK packet from a network server, it will resend data 3 times at most.
Rejoin Mode| Reporting interval 5 30 mins: the device will send specific mounts of LoRaMAC packets to check connection status every 30 mins; If no reply after specific packets, the device will re-join.
Reporting interval > 30 mins: the device will send specific mounts of LoRaMAC packets every to check connection status every reporting interval; If no reply after specific packets, the device will re-join.
ADR Mode| Allow the network server to adjust the data rate of the device.
Tx Power| Transmit power of the device.

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 loT cloud to manage devices. 4) Only OTAA mode supports rejoin mode.
    LoRaWAN Frequency Settings:
    Go to Setting->LoRaWAN Settings of ToolBox App to select the supported frequency and select channels to send uplinks. Make sure the channels match the LoRaWAN gateway. Milesight EM300 Series Environment Monitoring Sensor -
figure 11

If the frequency is one of CN470/AU915/US915, you can enter the index of the channel that you want to enable in the input box, making 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

Note:
For the -868M model, the default frequency is EU868;
For the -915M model, the default frequency is AU915.

Basic Settings
Go to “Device->Setting->General Settings of ToolBox App to change the reporting interval, etc.

Milesight EM300 Series Environment Monitoring Sensor - figure
13

Parameters Description
Reporting Interval Reporting interval of transmitting data to a network

server.Default: 600s
Temperature Unit| Change the temperature unit displayed on the ToolBox
Note

  1. The temperature unit in the reporting package is fixed as °C.
  2. Please modify the threshold settings if the unit is changed.
    Change Password| Change the password for ToolBox App or software to read/write this device.

Advanced Settings
Calibration Settings
The toolBox supports numerical calibration for all items. Go to Device->Setting->Calibration Settings of ToolBox App to type the calibration value and save, the device will add the calibration value to the raw value.

Milesight EM300 Series Environment Monitoring Sensor - figure
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Threshold Settings
EM300 series will upload the current data once instantly after the threshold is triggered.
Go to Device- >Setting->Threshold Settings of ToolBox App to enable the threshold settings and input the threshold.

Maintenance

Upgrade

  1. Download firmware from the Milesight website to your smartphone.
  2. Open Toolbox App and click “Browse” to import firmware and upgrade the device.

Note:

  1. Operation on ToolBox is not supported during an upgrade.
  2. Only the Android version ToolBox supports the upgrade feature.

Backup
EM300 devices support configuration backup for easy and quick device configuration in bulk. Backup is allowed only for devices with the same model and LoRa frequency band.

  1. Go to the “Template” page on the App and save current settings as a template. You can also edit the template file.
  2. Select one template file saved in the smartphone and click “Write”, then attach to another device to write configuration.

Note: Slide the template item left to edit or delete the template. Click the template to edit the configurations.
Milesight EM300 Series Environment Monitoring Sensor - figure
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Reset to Factory Default
Please select one of the following methods to reset the device:
Via Hardware: Hold on to the power button (internal) for more than 10s.
Via Toolbox App: Go to “Device->Maintenance” to click “Reset”, then attach smartphone with NFC area to the device to complete the reset.

Installation

  1. Attach EM300 to the wall and mark the two holes on the wall. The connecting line of two holes must be a horizontal line.

  2. Drill the holes according to the marks and screw the wall plugs into the wall.

  3. Mount the EM300 to the wall via mounting screws.

  4. Cover the mounting screws with screw caps.

  5. For leak detection senor, install the probe/cable to the place where liquid may leak. For the magnet switch sensor, install the magnet beside the door/window. Note: For the SLD sensor, please ensure the metal pins of the probe are flat on the floor; for the ZLD sensor, the cable can’t be twined or accumulated together. The probe or cable of the water leakage sensor should be placed in an area of concern where water from a leak would likely accumulate.

Milesight loT Cloud Management

EM300 series can be managed by the Milesight loT Cloud platform. Milesight loT cloud is a comprehensive platform that provides multiple services including device remote management and data visualization with the easiest operation procedures. Please register a Milesight loT Cloud account before operating the following steps.

Add a Milesight Gateway
Step 1: Enable gateway embedded network server and “Milesight loT Cloud” mode in gateway web GUI.
Note: Ensure gateway has accessed the Internet.

Milesight EM300 Series Environment Monitoring Sensor - figure
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Step 2: Go to “My Devices” page and click “+New Devices” to add a gateway to Milesight loT Cloud via SN. Gateway will be added under “Gateways” menu.

Milesight EM300 Series Environment Monitoring Sensor - figure
24

Step 3: Check if gateway is online in Milesight loT Cloud.

Add EM300 to Milesight loT Cloud
Step 1: Go to the “My Devices” page and click “+New Devices”. Fill in the SN of the device and select the associated gateway. Milesight EM300 Series
Environment Monitoring Sensor - figure 26

Step 2: After the device is online in Milesight loT Cloud, you can check the data via webpage or mobile App and create a dashboard for it.

Device Payload

All data are based on the following format(HEX):

Channell| Type l| Data l| Channel2| Type2| Data2| Channel 3|
---|---|---|---|---|---|---|---
1 Byte| 1 Byte| N Bytes| 1 Byte| 1 Byte| M Bytes| 1 Byte|

For decoder examples please find files on https://github.com/Milesight- loT/SensorDecoders.

Basic Information

EM300 series sensors report basic information of sensors every time joining the network.

Channel Type Data Example Description
ff 01(Protocol Version) 1
08 (Device SN) 61 27 a2 17 41 32

6127a2174132
09 (Hardware Version)| | 140| | | V1.4
| 0a(Software Version)| | 114| | | V1.14
Of(Device Type)| | 0| | | Class A

Example:

ff0901 00 ff Oa 01 02ffOf 00

Channel| Type| Value| Channel| Type| Value
ff| 09
(Hardware
version)| 0100 (V1.0)| ff| Oa
(Software version)| 0102
(V1.2)
Channel| Type| Value| | |
ff| Of
(Device
Type)| 00
(Class A)| | |

Sensor Data

EM300 series sensors report sensor data according to reporting intervals (10min by default). Battery level is reported every 6 hours.

Channel Type Description
1 75(Battery Level) UINT8, Unit: %
3 67 (Temperature) INT16, Unit: °C
4 68(Humidity) INT8, Unit: %
5 00(Water Leakage
Status) 00=>Not water leakage

01=>Water leakage
6| 00(Magnet Status)| 00=>Magnet switch closed
01=>Magnet switch open

Example:

01 75 64 03 67 10 01 04 68 71 05 00 01

Channel| Type| Value| Channel| Type| Value
1| 75
(Battery)| 64 => 100%| 3| 67
(Temperature)| 10 01 =>01 10 = 272
Temp=2720.1=27.2°C
Channel| Type| Value| Channel| Type| Value
4| 68
(Humidity)| 71=>113
Hum=113

0.5=56.5%| 5| 0| 01=>Water leakage

Downlink Commands

EM300 series sensors support downlink commands to configure the device. Application port is 85 by default.

Channel Type Data Example Description
ff 03(Set Reporting Interval) b0 04 b0 04 => 04 b0 = 1200s

-END-

Documents / Resources

| Milesight EM300 Series Environment Monitoring Sensor [pdf] User Guide
EM300, 2AYHY-EM300, 2AYHYEM300, EM300 Series Environment Monitoring Sensor, Environment Monitoring Sensor, Monitoring Sensor, Sensor
---|---
| Milesight EM300 Series Environment Monitoring Sensor [pdf] User Guide
EM300-TH, EM300-MCS, EM300-SLD, EM300-ZLD, EM300 Series Environment Monitoring Sensor, EM300 Series, Environment Monitoring Sensor, Monitoring Sensor, Sensor
| Milesight EM300 Series Environment Monitoring Sensor [pdf] User Guide
EM300 Series Environment Monitoring Sensor, EM300 Series, Environment Monitoring Sensor, Monitoring Sensor, Sensor

References

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