Milesight EM500 Series Soil Humidity and Temperature Sensor User Guide

Milesight EM500 Series Soil Humidity and Temperature Sensor

Applicability

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This guide is applicable to EM500 series sensors shown as follows, except where otherwise indicated.

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.
• The device is not intended to be used as a reference sensor, and Milesight will not should responsibility 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.
• The device must never be subjected to shocks or impacts.

Declaration of Conformity

EM500 series is in conformity with the essential requirements and other relevant provisions of the CE, FCC, and RoHS.

© 2011-2021 Xiamen Milesight IoT Co., Ltd.
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: [email protected]
Tel: 86-592-5085280
Fax: 86-592-5023065
---|---

Revision History

Product Introduction

Overview

EM500 series is a sensor mainly used for outdoor environment through wireless LoRa network.
EM500 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 or a PC software.

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 Milesight IoT Cloud or through the user’s own Network Server.

Features

• Up to 11km communication range
• Easy configuration via NFC
• Standard LoRaWAN® support
• Milesight IoT Cloud compliant
• Low power consumption with 19000mAh replaceable battery

Hardware Introduction

EM500 series sensors is made up of a LoRa transceiver and a sensor. Among them, ultrasonic sensors and gas sensors are combined with LoRa transceiver.

Hardware Overview

Front View of EM500:
①LoRa Antenna (Internal)
②NFC Area
③Water-proof Connector

Front View of EM500-CO2:
①LoRa Antenna (Internal)
②NFC Area
③Vent Tube

Front View of EM500-UDL:
①LoRa Antenna (Internal)
②NFC Area
③Ultrasonic Horn

Back View:
④Battery (Internal)
⑤Wall Mounting Holes
⑥Pole Mounting Holes

Dimensions(mm)

EM500

EM500-CO2

EM500-UDL

Power Button Descriptions

Note: EM500 can also be turned on/off and reset via Mobile APP or Toolbox

Light Off: Device is off.

Basic Configuration

EM500 sensor can be monitored and configured via one of the following methods:

• Mobile APP (NFC);
• Windows software (NFC or Type-C port).

In order to protect the security of sensor, password validation is required when configuring via unused phone . Default password is 123456.

Configuration via Smartphone APP

Preparation:

• Smartphone (NFC supported)
• Toolbox APP: download and install from Google Play or Apple Store.

Read/Write Configuration via NFC

1. Enable NFC on the smartphone and open“Toolbox”APP.

2. Attach the smartphone with NFC area to the device to read basic information.
   Note: Ensure the location of smartphone NFC area and it is recommended to take off phone case before using NFC.
   

3. Change the on/off status or parameters, then attach the smartphone with NFC area to the device until the APP shows a successful prompt.

4. Go to“Device > Status” to tap“Read”and attach the smartphone with NFC area to the device to read real-time data of sensor.
   

Template Configuration

Template settings only work for easy and quick device configuration in bulk.
Note: Template function is allowed only for sensors with the same model and LoRa frequency band.

1. Go to “Template” page on the APP and save current settings as a template.
   

2. Attach the smartphone with NFC area to another device.

3. Select the template file from Toolbox APP and tap “Write”,keep the two devices close until the APP shows a successful prompt.

4. Slide the template item to the left to edit or delete the template.

Configuration via PC

Preparation:

• Dedicated NFC Reader or Type-C USB cable
• PC (Windows 10 is recommended)
• Toolbox: https://www.milesight-iot.com/software-download/

Log in the Toolbox

Make sure “Toolbox” is downloaded on your computer. Select one of the following methods to log in Toolbox.

Type-C Connection

1. Open the case of EM500 and connect the EM500 to computer via type-C port.
   

2. Select type as “General” and click password to log in Toolbox. (Default password: 123456)

NFC Connection

1. Connect the NFC reader to computer, then attach the EM500 to NFC area of the reader.
   

2. Select type as “NFC” and serial port as NFC reader port on Toolbox.

Basic Configuration

1. Click “Read” to read current data of the sensor.
   

2. When you perform one of the following operations, enter the password and wait a few seconds until toolbox shows a successful prompt. (Password is not need if you connect it via type-C port)
   • Turn on/off the sensor
   • Reset the sensor
   • Click“Write”to change settings
   • Upgrade
   

Template Settings

Note: Template function is allowed only for sensors with the same model and LoRa frequency band.

1. Go to “Maintenance -> Template and Reset” page in Toolbox.
2. Click “Export” to save the current settings as a template.
3. Click “Browse” to select the correct template from computer.
4. Click “Import” to import the template to the device.
   

Upgrade

1. Download firmware on your computer.
2. Go to “Maintenance -> Upgrade”page in Toolbox.
3. Click“Browse”and select the firmware from computer.
4. Click“Upgrade”to upgrade the device.
   Note: If NFC connection is selected, please keep the two devices close and don’t move them in order to get the best connectivity as possible when upgrading.
   

Advanced Feature Description

LoRaWAN Settings

label
App EUI| App EUI of the sensor.| 24E124C0002A0001
Application Port| The port used for sending or receiving data.
Default:| 85
Join Type| OTAA or ABP mode.
Note: If you use Milesight IoT cloud to manage sensors, please select OTAA mode.| OTAA
Application Key| Appkey of the sensor.| 5572404C696E6B4C
6F52613230313823
Network ID| NetID of the sensor LoRaWAN networks. Used for identifying| 0x010203
Device Address| DevAddr of the sensor.| The 5th to 12th digits of SN.
Network Session Key| Nwkskey of the sensor.| 5572404C696E6B4C
6F52613230313823
Application Session Key| Appskey of the sensor.| 5572404C696E6B4C
6F52613230313823
Spread Factor| Select spread factor from SF7 to SF12.| SF10-DR2
Confirmed Mode| If the sensor does not receive ACK package from network server, it will resend data 3 times most.| Disabled
Rejoin Mode| Sensor will send specific mounts of LoRaMAC packages to check connection status regularly. If no reply after specific packages, the sensor will re-join.| Enabled, 8 packages
ADR Mode| Allow network server to adjust datarate of the sensor.| ** Enabled
Support Frequency| LoRaWAN region.| EU868 AU915
Channel| Enable or disable LoRa channels.
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, 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| Appendix

Basic Settings

parameter modify(mobile APP).

Calibration

value to raw value and send the final value.
| If current value exceeds the outlier range/values, the sensor will re- collect the value.
Note: This item is only for EM500-UDL.

Threshold and Alarm

will send current data ignoring report interval.
Data Collecting Interval| The sensor will detect and check whether the value is triggered again after data collecting interval.

Milesight IoT Cloud Management

EM500 sensors can be managed by Milesight IoT Cloud platform. Milesight IoT 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 IoT Cloud account before operating following steps.

Add a Milesight Gateway

1. Enable “Milesight” type network server and “Milesight IoT Cloud” mode in gateway web GUI.
   Note: Ensure gateway has accessed the Internet.
   
   

2. Go to “My Devices” page and click “+New Devices” to add gateway to Milesight IoT Cloud via SN. Gateway will be added under “Gateways” menu.
   

3. Check if gateway is online in Milesight IoT Cloud.
   

Add EM500 to Milesight IoT Cloud

1. Go to “My Devices” page and click “+New Devices”. Fill in the SN of EM500 and select associated gateway.
   

2. After EM500 is connected to Milesight IoT Cloud, you could check the device information and data and create dashboard for it.
   

Sensor Payload

All data are based on following format(HEX):

Channel 1

| Type 1| Data 1| Channel 2| Type 2| Data 2| Channel 3| …
---|---|---|---|---|---|---|---
1 Byte| 1 Byte| N Bytes| 1 Byte| 1 Byte| M Bytes| 1 Byte|

…

Basic Information

EM500 sensors report basic information of sensor everytime joining the network.

Channel

| Type| Data Example| Description
---|---|---|---

ff

| 01(Milesight Protocol Version)| 01| V1
09 (Hardware Version)| 01 40| V1.4
0a(Software Version)| 01 14| V1.14
0f(Device Type)| 00| Class A
16（Device SN）| 64 10 90 82 43 75 00 01| Device SN is 6410908243750001

Sensor Data

EM500 sensors report sensor data according to reporting interval (10min by default). Battery level is reported every 24 hours.

EM500-CO2

Battery level =100%
03| 67 (Temperature)| 10 01| 10 01 => 01 10 = 272
Temp=2720.1=27.2°C
04| 68(Humidity)| 71| 71=>113
Hum=1130.5=56.5%
05| 7d（CO2）| 67 04| 67 04 => 04 67 =1127 ppm
06| 73（Barometric Pressure）| 68 27| 68 27=>27 68=10088
Pressure=10088*0.1=1008.8hPa

EM500-LGT

Battery level =100%
03| 94 (Light)| 50 00 00 00| 50 00 00 00=>00 00 00 50=80 lux

EM500-PP

Battery level =100%
03| 7b (Pressure)| 0a 00| 0a 00=>00 0a=10kPa

EM500-PT100

Battery level =100%
03| 67 (Temperature)| 10 01| 10 01 => 01 10 = 272
Temp=272*0.1=27.2°C

EM500-SMT/SMTC

Battery level =100%
03| 67 (Temperature)| 10 01| 10 01 => 01 10 = 272
Temp=2720.1=27.2°C
04| 68(Moisture)| 71| 71=>113
Hum=1130.5=56.5%
05| 7d（Conductivity）| f0 00| f0 00 => 00 f0 =240 µs/cm

EM500-SWL

Battery level =100%
03| 77 (Water Level)| 02 00| 02 00=>00 02=2cm

EM500-UDL

Battery level =100%
03| 82 (Distance)| 1e 00| 1e 00=>00 1e=30mm

Downlink Commands

EM500 sensors support downlink commands to configure the device. Application port is 85 by default.

Appendix

Default LoRaWAN Parameters

DevEUI| 24E124 + 2nd to 11th digits of SN e.g. SN = 61 26 A1 01 84 96 00 41
Then Device EUI = 24E124126A101849
---|---
AppEUI| 24E124C0002A0001
Appport| 0x55
NetID| 0x010203
DevAddr| The 5th to 12th digits of SN
e.g. SN = 61 26 A1 01 84 96 00 41
Then DevAddr = A1018496
AppKey| 5572404C696E6B4C6F52613230313823
NwkSKey| 5572404C696E6B4C6F52613230313823
AppSKey| 5572404C696E6B4C6F52613230313823

Default Uplink Channels

www.milesight-iot.com

References

• Milesight | 5G, AI, IoT and LoRaWAN

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