Milesight EM400-TLD ToF Laser Distance Sensor User Guide

Milesight EM400-TLD ToF Laser Distance Sensor

Product Information

EM400-TLD ToF Laser Distance Sensor

The EM400-TLD ToF Laser Distance Sensor is a high-precision sensor designed to measure distance accurately. The device emits a laser beam, which reflects back from the target object, and the time it takes for the laser to return to the sensor is used to calculate the distance.

Product Features

• High accuracy and precision
• Compact design
• Easy installation
• Long battery life
• NFC and manual power button for easy on/off and reset
• CE, FCC, and RoHS compliant

Product Safety Precautions

• Do not disassemble or remodel the device
• Change device password when first configuring; default password is 123456
• Do not use the device as a reference sensor
• Do not place the device close to objects with naked flames
• Do not place the device in areas where the temperature is below/above the operating range
• Make sure both batteries are newest when installed or battery life will be reduced
• Avoid subjecting the device to shocks or impacts

Product Declaration of Conformity

The EM400-TLD is compliant with CE, FCC, and RoHS standards.

Hardware Introduction

Packing List

• EM400-TLD sensor
• Batteries (2)
• User guide

Hardware Overview

The EM400-TLD sensor is a small, compact device that can be easily installed. It has a power button and LED indicator for easy operation.

Dimensions (mm)

Insert a diagram of the device’s dimensions here.

Power Button

The EM400-TLD can be switched on/off via NFC or the manual power button. The power button can also be used to reset the device manually. See the table below for instructions.

the button for more than 3 seconds.
LED Indication| Off| On
Reset| N/A| Press and hold the button for more than 10 seconds.
Check| Quickly press the power button.| Quickly blinks

Product Usage Instructions

To use the EM400-TLD ToF Laser Distance Sensor, follow these steps:

1. Install the batteries (make sure they are new).
2. Switch on the device using NFC or the manual power button.
3. Configure the device password; default password is 123456.
4. Place the device in the desired location where it can measure distance accurately.
5. The sensor will emit a laser beam that will reflect back from the target object, and the time it takes for the laser to return to the sensor will be used to calculate the distance.
6. To switch off the device, use NFC or the manual power button.

For any assistance or technical support, contact Milesight support via email, support portal, telephone, or fax using the information provided in the user guide.

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.
• In order to protect the security of the device, please change device password when first configuration. Default password is 123456.
• The device is not intended to be used as a reference sensor, and Milesight won’t 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 in where the temperature is below/above the operating range.
• Make sure both batteries are newest when install, or battery life will be reduced.
• The device must never be subjected to shocks or impacts.

Declaration of Conformity

EM400-TLD 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: [email protected]
• Support Portal: support.milesight-iot.com
• Tel: 86-592-5085280
• Fax: 86-592-5023065
• Address: Building C09, Software Park III, Xiamen 361024, China

Revision History

Product Introduction

Overview

EM400-TLD is a LoRaWAN® distance sensor based on ToF (time of flight), which is mainly used for detecting the fill level and position status. With an appropriate FOV with the maximum field angle of 27°, it has almost no blind spot when installed on small-sized waste bins or containers. The embedded temperature sensor enables it to monitor whether the containers are burning for security reasons. With IP67 waterproof rating and internal damp-proof coating, it is suitable for outdoor applications. Besides, EM400-TLD is equipped with 3-axis accelerometer to detect the status of container lid. Compatible with Milesight LoRaWAN® gateway and IoT Cloud solution, users can know the containers’ status and fill level in real-time and manage effectively and remotely.

Features

• 2-350 cm wide detection range with extremely short blind zone
• Easy to install, especially suitable for small-size waste bins or containers
• Equipped with NTC temperature sensor for the detection and alarm of trash burning
• Built-in 3-axis accelerometer sensor to monitor device tilt status
• Damp-proof coating inside and IP67 waterproof enclosure for outdoor applications
• Built-in two 9000 mAh replaceable batteries and work for 10 years without replacement
• Ultra-wide-distance wireless transmission up to line of sight of 15km
• Equipped with NFC for one touch configuration, support car emulation mode
• Function well with standard LoRaWAN® gateways and network servers
• Compatible with Milesight IoT Cloud

Hardware Introduction

Packing List

_ WARNING: _If any of the above items is missing or damaged, please contact your sales representative.

Hardware Overview

Dimensions (mm)

Power Button

• EM400-TLD can be switched on/off via NFC. Besides, users can use power button to switch on/off and reset the device manually.

Check

On/Off Status

|

Quickly press the power button.

| Light On: Device is on
Light Off: Device is off

Operation Guide

NFC Configuration

EM400-TLD can be configured via NFC.

1. Download and install “Milesight ToolBox” App from Google Play or App Store.
2. Enable NFC on the smartphone and open“Milesight ToolBox” App.
3. Attach the smartphone with NFC area to the device to read the basic information.
4. Basic information and settings of devices will be shown on ToolBox if it’s recognized successfully. You can switch on/off, read and write the device by tapping the button on the App. In order to protect the security of devices, password validation is required when configuring via unused phone. Default password is 123456.

Note

1. Ensure the location of smartphone NFC area and it’s recommended to take off phone case.
2. If the smartphone fails to read/write configurations via NFC, keep the phone away and back to try again.
3. EM400-TLD can also be configured by dedicated NFC reader provided by Milesight IoT or you can configure it via TTL interface inside the device.

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.

is 85.
Join Type| OTAA and ABP mode 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.
LoRaWAN Version| V1.0.2, V1.0.3 are available.
Work Mode| It’s fixed as Class A.
RX2 Data Rate| RX2 data rate to receive downlinks.
RX2 Frequency| RX2 frequency to receive downlinks. Unit: Hz
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 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 data rate of the device.
Tx Power| Transmit power of 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 IoT cloud to manage devices.
4. Only OTAA mode supports rejoin mode.

LoRaWAN Frequency Settings

Go to Setting > LoRaWAN Settings to select supported frequency and select channels to send uplinks. Make sure the channels match 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, 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

Basic Settings

• Go to Device > Setting > General Settings to change the reporting interval, etc.

Standard Mode: 10 minutes as default;

Bin mode: 20 minutes as default.

Installation Height| Enable or disable the installation height of the device when in Bin Mode.

Note:

1. It is suggested to enable this feature if the bin is located under strong light and there are bags inside the garbage bin.
2. If the collected value is above the installation height twice, the sensor will report the installation height.

Value of the

Installation Height

| Set the installation height between device and the bottom of waste bin.

Range: 0.02 – 3.5m.

Tilt & Distance Switch| When detecting that the offset angle is greater than 20 degrees, turn off the distance measurement.

Change Password

| Change the password for ToolBox App or software to read/write this device.

Threshold Settings

Go to Device > Setting > Threshold Settings to enable the threshold settings and input the distance threshold. EM400-TLD will detect whether the distance reaches the threshold according to collecting interval. If threshold is triggered, it uploads the current data once instantly.

default value for standard mode is 10 minutes, for bin mode is 20 minutes.
Threshold Dismiss Report| When the collected value changes from outside the threshold to within the threshold, a threshold dismiss packet will be reported.

Maintenance

Upgrade

1. Download firmware from Milesight website to your smartphone.
2. Open Toolbox App, go to Device > Maintenance and click Browse to import firmware and upgrade the device.

Note

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

Backup

EM400-TLD support 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 which 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.

Reset to Factory Default

Please select one of following methods to reset device:

• Via Hardware: Hold on power button (internal) for more than 10s.
• Via ToolBox App: Go to Device > Maintenance to click Reset, then attach smartphone with NFC area to device to complete reset.

Installation

1. Drill two holes on the container cover according to the location of device mounting holes.
2. Put the device under container cover and align the holes in order to perfectly screw the bolts into the holes from the other side of the cover.

• Besides, the device can also be fixed by two M4 mounting screws and wall plugs.

Installation Note

• In order to provide the best data transmission, please ensure the device is within the signal range of the LoRaWAN® gateway and keep it away from metal objects and obstacles.
• Avoid strong light, like direct sunlight or IR LED, in the detection area.
• Do not install the device close to glass or mirror.
• After installation and adjustment, please remove the protective film.
• Do no touch the lens of sensor directly to avoid leaving the fingerprint on it.
• The detecting performance will be affected if there’s dust on the lens. Please use the mirror cleaning cloth to clean the lens if needed.
• The device must be placed in a horizontal position on the top of the object so that it has a clear path to the object.
• When using waste bin mode, place the device in the center of waste bin and here are some recommended sizes of waste bins: when the height is 40cm, the minimum radius should be 10cm; when the height is 80cm, the minimum radius should be 19cm.

Device Payload

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

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

Basic Information

EM400-TLD reports basic information of sensor whenever it joins the network.

ff

| 01(Protocol Version)| 01=>V1
09 (Hardware Version)| 01 40 => V1.4
0a (Software Version)| 01 14 => V1.14
| 0b (Power On)| Device is on
---|---|---
0f (Device Type)| 00: Class A, 01: Class B, 02: Class C
16 (Device SN)| 16 digits

Example

ff0bff ff0101 ff166329c42503920003 ff090100 ff0a0101 ff0f00

Channel| Type| Value| Channel| Type| Value
ff| 0b

(Power On)

| ff

(Reserved)

| ff| 01

(Protocol Version)

| 01 (V1)
Channel| Type| Value| Channel| Type| Value
ff| 16

(Device SN)

| 6329c42503

920003

| ff| 09

(Hardware version)

| 0100

(V1.0)

Channel| Type| Value| Channel| Type| Value

ff

| 0a

(Software version)

| 0101 (V1.1)|

ff

| 0f (Device Type)| 00

(Class A)

Sensor Data

• EM400-TLD reports sensor data according to reporting interval (10 mins or 20 mins by default).

05

|

00 (Device Position)

| 00: Normal (horizontal offset angle < 20°)

01: Tilt (horizontal offset angle ≥ 20°)

Example

017564 0367f800 04820101 050000

Channel| Type| Value| Channel| Type| Value

01

| 75

(Battery)

|

64 => 100%

|

03

| 67

(Temperature)

| f8 00 => 00 f8

= 248 * 0.1

=24.8 °C

Channel| Type| Value| Channel| Type| Value

04

|

82

(Distance)

| 01 01 =>

01 01

=257mm

=0.257m

|

05

|

00

(Device Position)

|

00=Normal

Threshold Packet

When collected distance exceeds threshold, EM400-TLD will report a distance alarm packet; besides, it will also report a alarm dismiss packet if distance returns back to normal value. When the abrupt change of temperature is greater than 5 °C, it will report a temperature threshold packet.

84

| 82

(Distance)

| Distance: unit — mm

Alarm Status:

| | 00 -Alarm dismiss
| | 01 -Alarm
| | 3 Bytes,
| | Temperature (2 Bytes) + Alarm Status(1 Byte)

83

| 67

(Temperature)

| Temperature: unit — °C

Alarm Status:

| | 00 -Alarm dismiss
| | 01 -Alarm

Example

1. Distance Threshold

8482330701

Channel| Type| Value
84| 82

(Distance)

| Distance: 33 07 =>07 33 = 1843mm = 1.843m

Alarm Status: 01= Alarm

1. Temperature Threshold

8367220101

Channel| Type| Value
83| 67

(Temperature)

| Temperature: 22 01 =>01 22 = 290 * 0.1 = 29 °C

Alarm Status: 01= Alarm

Downlink Commands

• EM400-TLD supports downlink commands to configure the device. Application port is 85 by default.

ff

| 10 (Reboot)| ff (Reserved)
03 (Set Reporting Interval)| 2 Bytes, unit: s
13 (Set Installation Height)| 00 = Disable; 01 = Enable
| 71 (Set Device Mode)| 00 = Standard Mode; 01 = Bin Mode
---|---|---
3e (Set Tilt & Distance Switch)| 00 = Disable; 01 = Enable
56 (Set ToF Distance Sensor)| 00 = Disable; 01 = Enable

06 (Set Threshold Alarm)

| 9 Bytes,

CTRL(1B)+Min(2B)+Max(2B)+00000000 (4 B)

CTRL:

Bit2~Bit0:

000-disable 001-below 010-above 011-within

100-below or above Bit5~Bit3:

001-Standard Mode 010-Bin Mode Bit6=0

Bit7:

0 – disable threshold dismiss report 1 – enable threshold dismiss report

Example

1. Set reporting interval as 20 minutes.

ff03b004

Channel| Type| Value
ff| 03 (Set Reporting Interval)| b0 04 => 04 b0 = 1200s = 20 minutes

1. Reboot the device.

ff10ff

Channel| Type| Value
ff| 10 (Reboot)| ff (Reserved)

1. Set the device as standard mode.

ff7100

Channel| Type| Value
ff| 71 (Set Device Mode)| 00 = Standard Mode

1. When the distance is below 3mm or above 20mm, the sensor will send threshold alarm.

ff06 8c 0300 1400 00000000

Channel| Type| Value

ff

|

06 (Set Threshold Alarm)

| CTRL: 8c=10 001 100

100=below or above 001=standard mode

10=enable threshold dismiss report Min: 03 00=> 00 03 = 3mm

Max: 1400 => 00 14 = 20mm

www.milesight-iot.com

References

• Support : IoT Support
• GitHub - Milesight-IoT/SensorDecoders

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