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Livox Tele-15

v1.0

2020.03

User Manual

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2 © 2020 Livox Tech. All Rights Reserved.

Using this ManualLegend

Warning Important Hints and Tips Explanation

Downloading Documents

Visit the link below to download the latest Livox Tele-15 User Manual and other documents related to the Livox Tele-15.

www.livoxtech.com/Tele-15

Downloading Livox ViewerVisit the link below to download Livox Viewer and Livox Viewer User Manual.www.livoxtech.com/Tele-15

Downloading Livox SDKVisit the link below to download the Livox SDK:https://github.com/Livox-SDK

Searching for KeywordsSearch for keywords such as “FOV” and “mount” to find a topic. If you are using Adobe Acrobat Reader to read this document, press Ctrl+F on Windows or Command+F on Mac to begin a search.

Navigating to a TopicView a complete list of topics in the table of contents. Click on a topic to navigate to that section.

Printing this DocumentThis document supports high resolution printing.

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© 2020 Livox Tech. All Rights Reserved. 3

ContentsUsing this Manual 2

Legend 2Downloading Documents 2Downloading Livox Viewer 2Downloading Livox SDK 2

Product Profile 4Introduction 4Product Characteristics 4Overview 6

Connectors 8LiDAR Connector 8Power Cable and Sync Cable 9Ethernet Port 9

Mounting the Livox Tele-15 10Effective Field of View (FOV) Range 10Mounting Notice 10Removing the Self-Dissipation Module 10Dimensions 11

Getting Started 13External Power Supply 13Connection 14

Usage 16Coordinates 16Output Data 16Working States & Working Modes 19Dual Return Mode 20IMU 20Software Development Kit (SDK) 21

Storage, Transportation, and Maintenance 21Storage 21Transportation 21Maintenance 21

Troubleshooting 22

After-Sales Information 22

Appendix 23Appendix 1 23Appendix 2 24Appendix 3 25

Specifications 25

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Product ProfileIntroduction

Livox Tele-15 (hereinafter referred as “Tele-15”) features a long detection distance, high precision, and high reliability, and can be used for multiple applications including autonomous driving, rail traffic, mapping, and security.High FOV Coverage: The Tele-15 utilizes Livox’s unique non-repetitive scanning technology and multi-laser and multi-APD DL-Pack technology. This ensures a high-density point cloud which is approximately five times denser than the Livox Mid-40 within the same period.High Detection Range: Tele-15 has an extremely high signal-to-noise ratio due to its advanced photoelectric design. With a luminance of 100 kilolux, the high sensitivity function can detect objects with a 10% reflectivity at up to 320 meters away.High Reliability: The Tele-15 offers enhanced reliability as the cutting-edge design works normally without rotating internal electronic devices such as the transmitter and receiver. The Tele-15 has undergone rigorous reliability testing required by the automotive industry. In addition, the Tele-15 has achieved an IP67 waterproof and dustproof rating under GB 4208-2008 and IEC 60529 standards. Note the included cables do not meet the same standards.Environmental Adaptation: The built-in tag information helps users identify the type and accuracy of the low noise. Tele-15 avoids interference caused by strong environment light and filters most noise caused by sunlight. When the environment temperature exceeds 65° C (149° F), the noise filter ability decreases. Even with a luminance of 100 kilolux, the Tele-15 boasts a low noise rate lower than 0.01%. Built-in IMU Module: The model of the build-in inertial measurement unit (IMU) is BMI088. The push frequency of the IMU is 200 Hz.User-friendly Livox Viewer: Livox Viewer is a Windows software specially designed for Livox LiDAR sensors. It displays and records real-time point cloud data, replays point cloud videos, and analyzes the 3D point cloud data. Users can set product parameters and calibrate extrinsics using Livox Viewer. The simple interface makes Livox Viewer easy to use. Livox SDK: A software development kit (SDK) is provided to help develop customizable applications using the data acquired from point cloud data. Livox SDK supports Windows/Linux/Mac OS/ROS.

• This distance can be reached when the target object reflects 50% or more of incident light (e.g., grey concrete walls and roads have a reflectivity range from 15% to 30%) in an environment with a temperature of 25° C (77° F). The default maximum detection range is 500 meters. However, with customized firmware, the maximum detection range can be increased to up to 1,000 meters. Contact Livox at https://www.livoxtech.com/contact if you require detection beyond 500 meters.

• Before using for the first time, remove the screen protector from the optical window.

Product Characteristics

The Tele-15 utilizes Livox’s unique non-repetitive scanning technology and multi-laser and multi-APD DL-Pack technology. This ensures a high-density point cloud which is approximately five times denser than the Livox Mid-40 within the same period. Over time, the coverage inside the FOV increases significantly and reveals more detailed information of the surroundings.

Figure 1.2.1 displays the point cloud data of the Tele-15 inside the FOV within 0.1s. In the center of the FOV, the scanning density is as dense as traditional 300-line LiDAR sensors. In other areas of the FOV, the scanning density is significantly denser than 100-line LiDAR sensors. Within Tele-15’s FOV, the overall scanning density rivals traditional 128-lines LiDAR sensors within 0.1s.

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According to the definition of the Livox coordinate system, the angle range is 0° to 360°, so -10° to 0° is the same as 350° to 360°.

Figure 1.2.3 displays the FOV coverage of the Tele-15 compared with other non-Livox LiDAR sensors that use common mechanical scanning methods. The diagram shows that when the integration time is 0.1 seconds, the FOV coverage of the Tele-15 is approximately 99%, higher than the 128-line LiDAR sensor.

Figure 1.2.3 The FOV coverage of the Tele-15 and non-Livox LiDAR sensors using common mechanical scanning methods. The 16-line non-Livox LiDAR sensor has a vertical FOV of 30°, the 32-line non-Livox LiDAR sensor is 41°, the

64-line non-Livox LiDAR sensor is 27°, and the 128-line non-Livox LiDAR sensor has a vertical FOV of 40°.

The performance of the scanning method is defined by the FOV coverage, which is calculated as the fraction of FOV illuminated by laser beams. The FOV coverage (C) can be calculated with the following formula:

Refer to the official Livox website for more information about how the FOV coverage is calculated.

C =Total area in FOV

Total area illuminated by laser beams×100%

0 0.10.05 0.15 0.250.2 0.3 0.35 0.40

20

40

60

80

100

FO

V C

ove

rag

e (%

)

Integration time(s)

Tele-15128 Lines

64 Lines

32 Lines

16 Lines

-10 -5 0 5 10Azimuth/ deg

80

85

90

95

100

Zeni

th/ d

eg

-10 -5 0 5 10Azimuth/ deg

80

85

90

95

100

Zeni

th/ d

eg

Figure 1.2.1 Point cloud patterns of the Tele-15 within 0.1 s

Figure 1.2.2 Point cloud patterns of the Tele-15 within 0.2 s

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Laser Wavelength 905 nmLaser Safety Class 1 (IEC 60825-1:2014) (Safe for eyes)Detection Range (@100 klx) 320 m @ 10% reflectivity, 500 m @ 50% reflectivityFOV 14.5° (Horizontal) × 16.2° (Vertical)Range Precision (1σ) < 2 cm (5 to 70 m), < 4 cm (70 to 120 m) @ 10% reflectivity

< 2 cm (5 to 220 m), < 4 cm (220 to 380 m) @ 80% reflectivityAngular Precision (1σ) < 0.03 ºBeam Divergence 0.02° (Horizontal) × 0.12° (Vertical)

Point Rate240,000 points/s (first or strongest return)480,000 points/s (dual return)

False Alarm Ratio (@100 klx) < 0.01%

• Tested with a Lambertian target in an environment with a temperature of 25° C (77° F), under 100 kilolux conditions with high sensitivity function enabled. The actual environment may differ from the testing environment. The figure listed is for reference only. The performance may decrease in extreme environments such as those with foggy weather, that cause strong vibration, or where the temperature is -40° C (-40° F) or 85° C (185° F).

• The built-in high sensitivity function increases the detection range of Tele-15, especially of small objects with low reflectivity. The high sensitivity function is enabled by default and can be disabled via Livox Viewer or SDK. When the environment temperature exceeds 65° C (149° F), Tele-15 reduces the sensitivity to ensure measurement accuracy. Objects with a reflectivity of 50% can be detected at a range of up to 500 meters in an environment within a temperature range of -40° to 85° C (-40° to 185° F).

• Vicinity Blind Zone: Objects that are within 2.5 meters cannot be measured precisely. When the distance from an object is less than 0.3 meters, an occlusion warning is sent by error code. The point cloud data may be distorted to a varying extent when the target object is within a range of 2.5 to 5 meters. Contact Livox for support if you require to detect objects within this range.

Overview

Livox Tele-15

Table 1.2.1 Point cloud specifications

1. M3 Mounting Holes Make sure to use the correct screws when

mounting. 2. 1/4 Inch Mounting Hole Can be mounted on a tripod or other bases

outfitted with a 1/4 inch screw.

3. Locating Hole 14. Locating Hole 25. Self-Dissipation Module The self-dissipation module is removable. If it

is removed, make sure that the temperature of the LiDAR shell does not exceed 85° C (185°

10

7

89

2

2

43

143

5

6

1

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F). It is recommended to operate the Tele-15 in an environment with a temperature lower than 65° C (149° F). An external thermal dissipation system can also be designed. Otherwise, the Tele-15 may enter the over temperature error status and stop working. The self-dissipation module is not designed to be mounted and detached several times. Only remove the self-dissipation module when necessary.

6. Optical Window The laser passes through the optical window

and scans objects in the FOV.7. Air Outlet The air outlet allows warm air to exit the self-

dissipation module. Make sure there are at least 10 millimeters between the air outlet and the nearest objects.

8. Self-Dissipation Module Screws Six black M2.5 screws are used to secure the

self-dissipation module. If the self-dissipation module is detached, make sure to store the screws properly for future use.

9. Air Inlet/Fan The fan enables airflow to cool the LiDAR.

Make sure there are at least 10 millimeters between the air inlet and the nearest objects.

10. LiDAR ConnectorThe LiDAR connector is used to connect the Livox Converter 2.0. It also can be modified by users. Refer to the Cables section for information on signal definition. When the Tele-15 is connected to the external power source directly, make sure the output voltage range of the external power source is within the working voltage range of the Tele-15.

Livox Converter 2.0

1. LiDAR Connector PortA JAE MX34012NF1 type connector port used to connect to the Tele-15. The mating connector is JAE MX34012SF1 LiDAR.

2. Power PortConnects to an external power supply. When the Tele-15 is connected to Livox Convertor 2.0, users can use a power supply of 9 to 30 V. The connector type is MOLEX 1053313-1102. The mating connector is MOLEX 105307-1202.

3. Ethernet Port An RJ45 type Ethernet connector is used to connect to Ethernet cables.

4. Sync PortThe 3-pin sync port supports 3.3V LVTTL sync signal input. Refer to Table 2.2.2 for more information. The mating connector of the sync port connector is Famfull 9.510A0-003-1R0, and JST GHR-03V-S is also compatible.

1

2 3 4

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ConnectorsLiDAR Connector

Below is more information on the LiDAR connector:

Figure 2.1.1 LiDAR Cable Connector

Pin Signal Type Description Color

1 Power+ Power DC 10-15 V (max 15 V) Blue/white

2 Ground Power Ground Silver bare wire

3 Ethernet_TX+ Output 100BASE-TX, TX+ Orange/white

4 Ethernet_TX- Output 100BASE-TX, TX- Orange

5 Ground Power Ground Silver braided wire

6 Sync+ Input RS485_A, Pulse Per Second Grey/white

7 Power+ Power DC 10-15 V (max 15 V) Blue

8 Ground Power Ground Silver bare wire

9 Ethernet_RX+ Input 100BASE-TX, RX+ Green/white

10 Ethernet_RX- Input 100BASE-TX, RX- Green

11 Ground Power Ground Silver braided wire

12 Sync- Input RS485_B, Pulse Per Second Grey

Table 2.1.1 LiDAR Cable Connector Description

Sync signal description

Figure 2.1.2 Sync signal description

*Refer to the Software Development Kit (SDK) section for more information about the sync signal.

Pulse Per Second(PPS)

t0t1

t0=1s1ms<t1<300ms

(PPS)

t0t1

t0=1000 ms20 ms < t1< 200 ms

121110987

4321 5 6 28

5/11

173

4

612

9

10

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Power Cable and Sync CableThe Tele-15 cables package includes two power cables and two sync cables.

Power CableConnect “A” to the power port of the Livox Converter 2.0 and connect “B” to an external DC power supply. The connector type of this power cable is MOLEX 105307-1202.

Figure 2.2.1 Power cable

21

A B500±25 mm

Pin Signal Type Description Color

1 Power+ Power DC 9 - 30 V (max 30 V) Red

2 Ground Power Ground Black

Table 2.2.1 Power cable description

Pin Signal Type Description Color

1 Ground Power Ground Black

2 Sync+ Input 3.3 V LVTTL, Pulse Per Second Blue

3 Reserved Reserved Undefined White

Table 2.2.2 Sync cable description

Sync cableConnect “A” into the sync port of the Livox Converter 2.0 and connect “B” to the sync signal. The sync cable has a 3-pin connector. The connector type is Famfull 9.510A0-003-1R0, which is compatible with JST GHR-03V-S type connectors. Refer to the Data Synchronization section for more information.

Figure 2.2.2 Sync cable

1A B

23

500±25 mm

Ethernet PortThe Livox Converter 2.0 supports 100BASE-TX standard RJ45 Ethernet port. The Tele-15 uses two twisted pairs to send and receive data.

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Mounting the Livox Tele-15Effective Field of View (FOV) Range

As shown below, the Tele-15 has a horizontal FOV of 14.5° and a vertical FOV of 16.2°. When mounting a Livox LiDAR sensor, make sure that the FOV is not blocked by any objects. Visit www.livoxtech.com/Tele-15 to download the 3D models of the Tele-15 and its FOV.

Figure 3.1.1 Effective FOV of the Tele-15

Mounting NoticeRead and understand the following warnings before mounting the Tele-15. 1. Before use, remove the screen protector from the optical window. 2. Significant dust and stains on the optical window will affect the performance of the Tele-15 LiDAR

sensor. Follow the instructions in the Maintenance section to clean the optical window using compressed air, isopropyl alcohol, or a lens cloth.

3. When mounting the Tele-15, the field of view must not be blocked by an object, including glass. 4. When mounting the Tele-15, make sure there is enough space for ventilation for the air inlet and air

outlet. Allow at least 10 millimeters from the nearest objects. 5. There are no restrictions on which direction the Tele-15 can be installed. The top or bottom surface

can be used to mount the Tele-15. It is recommended that the surface is parallel to the ground when mounting.

6. The Tele-15 cannot bear any extra payload. Otherwise, the reliability of the product cannot be guaranteed.

7. The 1/4 inch mounting hole is only recommended for use with the tripod and other platforms in situations where the surface is static.

Removing the Self-Dissipation ModuleLocated on the top of the Livox Tele-15 is the self-dissipation module. Users are able to detach the self-dissipation module. However, make sure to prepare an alternative dissipation system so that the Livox Tele-15 can work properly without the self-dissipation module. Otherwise, the highest working temperature of Livox Tele-15 may be decreased when the self-dissipation module is detached. The self-dissipation module is not designed to be mounted and detached repeatedly. Only remove the self-dissipation module if necessary.

Horizontal FOVVertical FOV

42.0mm

16.2° 14.5°

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Figure 3.3.1 Removing the Self-Dissipation Module

To remove the self-dissipation module, remove the six M2.5 screws using the provided hex screwdriver and then detach the module. If you need to re-install the self-dissipation module, make sure the connectors on the top of the Livox Tele-15 and the self-dissipation module are aligned, and secure the self-dissipation module using six black M2.5 screws.

When the self-dissipation module is detached, make sure to attach the provided rubber seal to the fan connector on the top of the Livox Tele-15. Make sure that the temperature of the LiDAR shell does not exceed 85° C (185° F). It is recommended to operate the Tele-15 in an environment with a temperature lower than 65° C (149° F). An external thermal dissipation system can also be designed.

Dimensions

Livox Tele-15 (with the self-dissipation module)Refer to the dimensions and the mounting holes in the diagram below to mount or embed the Livox Tele-15 to or in an appropriate place on the target base. When the self-dissipation module is attached to the Livox Tele-15, the Livox Tele-15 can be mounted on the target base using M3 screws or outfitted with ¼ inch mounting holes.

45.0

45.0

106.5

16.0

122.

0 38.08.05

3.0

5±0.

03

94.2

112.0

42.0

11.8

28.0

16.0

45.0

45.0

3.05±0.03

8.59

106.5

6-M3 THRU

8.05 3.05

±0.0

3

1/4-20 UNC 5

4.09±0.06

12.0

6

6-M3 7.5

1/4-20 UNC 7

3.05±0.03 3

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Unit: mm

Unit: mm

Figure 3.4.2 The Tele-15 Dimensions without Self-Dissipation Module (refer to Appendix 2)

Weight Approx. 1600 g (includes a cable with an approx. length and weight of 1.5 m and 150 g)

Dimensions 112 × 94.2 × 122 mm

Table 3.4.1 The Tele-15 Weight & Dimensions (with self-dissipation module)

Table 3.4.2 The Tele-15 Weight & Dimensions (without self-dissipation module)

Weigh (with cable) Approx. 1500 g

Dimensions 112 × 82.4 × 122 mm

Figure 3.4.1 The Tele-15 Dimensions with Self-Dissipation Module (refer to Appendix 1)

Livox Tele-15 (without the self-dissipation module)Refer to the dimensions and the mounting holes in the diagram below to mount or embed the Livox Tele-15 to or in an appropriate place on the target base.

45.0

45.0

106.5

16.0

122.

0 38.08.05

3.0

5±0.

03

94.2

112.0

42.0

11.8

28.0

16.0

45.0

45.0

3.05±0.03

8.59

106.5

6-M3 THRU

8.05 3.05

±0.0

3

1/4-20 UNC 5

4.09±0.06

12.0

6

6-M3 7.5

1/4-20 UNC 7

3.05±0.03 3

(55.0 - 60.0)Cable Bending Radius

(55.0 - 60.0)Cable Bending Radius

6-M3 THRU

82.4

112.0

42.0

12.0

6

45.0

45.0

16.0 106.5

3.52

2.52±0.02 3

2.52±0.02 3

16.0

45.0

45.0

3.05±0.03

8.59

106.5

6-M3 THRU

8.05 3.05

±0.0

31/4-20 UNC 5

4.09±0.06

122.

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Weight Approx. 88 g

Dimensions 74 × 52 × 23 mm

Table 3.4.3 Livox Converter 2.0 Weight & Dimensions

Livox Converter 2.0Refer to the dimensions below to mount the Livox Converter 2.0.

7452 22.9 37

66

4-M2 2.5

Figure 3.4.3 Livox Converter 2.0 Dimensions (refer to Appendix 3)

Unit: mm

Getting StartedExternal Power Supply

The working voltage range of the Tele-15 is from 10 to 15 V. When an extension cable is required, make sure to increase the output voltage of the external power source due to the extra voltage reduction. Make sure the maximum voltage does not exceed 15 V. The minimum working voltage should be increased in a low temperature environment. Note that the power cable may generate voltage fluctuation where the voltage exceeds 15 V in some scenarios such as if the power cable is interfered with or other devices connected to another power source in the parallel circuit suddenly power off. In such situations, the Tele-15 may not work normally or may even become damaged.

In an environment where the temperature is 25° C, the working power of the Tele-15 is 12 W. The working power of the Tele-15 varies at different temperature. Below shows the relationship between the temperature of the environment and the working power of the Tele-15.

Figure 4.1.1 The working power of the Tele-15 at varying temperatures-30 10-40 5020 40 60

13w12w

70300-10

45

0510152025303540

-20 80 85

Temperature (° C)

Pow

er (W

)

Without self-dissipation module

With self-dissipation module

-40 20 40 600

45

0510152025303540

温度 (°C)

功率

(W

)

-20 80 85

启动功耗

运行功耗

Pow

er (W

)

Temperature (° C)

Startup Power Startup Power Operating PowerOperating Power

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Figure 4.2.1 Connecting using static IP address

Connection

The Tele-15 uses a compact and reliable electrical connector for power supply as well as control signal and data transmission. Refer to the Cables section for more information about the connector. The Livox Converter 2.0 integrates a LiDAR port, a sync port, a power port, and an Ethernet port. To ensure optimal performance, it is recommended to always use a Livox Converter 2.0.

The Tele-15 supports two IP modes: dynamic IP address mode and static IP address mode. All Tele-15 LiDAR sensors are set to static IP address mode by default with an IP address of 192.168.1.1XX (XX stands for the last two digits of the Livox Tele-15 LiDAR sensor’s serial number). The default subnet masks of the Livox Tele-15 LiDAR sensors are all 255.255.255.0, and their default gateways are 192.168.1.1. Directly connect the Livox Tele-15 to the computer before using for the first time. The static and dynamic IP addresses are connected in different ways. 1.The static IP address is connected by default and in this mode, the Tele-15 can be connected to a computer directly. Any static IP address can be set for the Tele-15 through Livox Viewer or SDK. 2. To connect to the dynamic IP address, make sure the Tele-15 is switched to dynamic IP mode by using the Livox Viewer or SDK. In dynamic address mode, the addresses are assigned to the Tele-15 using dynamic host configuration protocol (DHCP).

Static IP address :

1. Follow the steps to set the IP address of your computer to static IP address:

Windows system

a. Click to enter in the Network and Sharing Center under Control Panel.

b. Click the network you are using, and click “Properties”.

c. Double click “Internet Protocol Version 4 (TCP/IPv4)”.

d. Set the static IP address of the computer to 192.168.1.50 and the subnet mask to 255.255.255.0. Click “OK” to complete.

Ubuntu-16.04 system

The IP address of the computer can be configured by using the ifconfig command at the terminal. The configuration code is as below:

~$ sudo ifconfig enp4s0 192.168.1.50 (replace “enp4s0” with the network port name of the computer)

2. Connect the Tele-15, Livox Converter 2.0, external power source, and computer by following Figure 4.2.1.

Livox ConverterLivox Tele-15

External Power Suppply

Ethernet Cable

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Dynamic IP address:

1. Follow Figure 4.2.1 to connect the Tele-15, Livox Converter 2.0, external power source, and computer.

2. Run Livox Viewer, click to open the settings page, and set the IP address of the Tele-15 to dynamic IP address.

3. Disconnect the Tele-15, Livox Converter 2.0, external power source, and computer.

4. Follow the steps to set the IP address of your computer to dynamic IP address:

Windows system

a. Click to enter the Network and Sharing Center under Control Panel.

b. Click the network you are using, and click “Properties”.

c. Double click “Internet Protocol Version 4 (TCP/IPv4)”.

e. Select “Obtain an IP address automatically” and “Obtain DNS server address automatically”, then click “OK” to complete.

Ubuntu-16.04 system

a. Click to open “Network”.

b. Click “IPv4”, and then click “Automatic (DHCP)”. Click “Apply” to complete.

5. Connect the Tele-15, Livox Converter 2.0, router, computer, and external power supply by following Figure 4.2.2.

• If multiple Tele-15 LiDAR sensors are set to static IP addresses, make sure all the Tele-15 LiDAR sensors have different IP addresses and use a switchboard to connect them to the computer.

• Launch Livox Viewer after the Tele-15 is connected. Click the device that the static IP address should be altered. Click to open the settings page and set the static IP address of the Tele-15.

• If more than six Tele-15 LiDAR sensors are required, use a kilo mega switchboard. Otherwise, data may get lost and there may be connection failures.

a. Connect the Tele-15 to the Livox Converter 2.0.

b. Connect the Livox Converter 2.0 to your computer using an Ethernet cable.

c. Connect the Livox Converter 2.0 to an external power source.

Figure 4.2.2 Connecting using dynamic IP address

Livox Tele-15

External Power Suppply

Router with DHCPEthernet Cable

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• If more than six Tele-15 LiDAR sensors are required, use a kilo mega router.• The broadcast number for each LiDAR sensor can be viewed in the Device Manager of Livox

Viewer or the SDK. For the Tele-15, the broadcast number will be its serial number ending in an additional “1”.

a. Connect the Tele-15 to the Livox Converter 2.0.

b. Connect the computer and the Livox Converter 2.0 to the router using Ethernet cables. Make sure both the Livox Converter 2.0 and the computer are connected to the LAN port on the router.

c. Connect the Livox Converter 2.0 to an external power source.

UsageCoordinates

The Tele-15 has a built-in IMU. The coordinates of the point cloud O-XYZ and of the IMU O'-X'Y'Z' are defined as below:

Figure 5.1.1 Coordinates of the Tele-15

Output DataThe output information of Livox Tele-15 LiDAR sensors includes point cloud data and IMU data. Both point cloud data and IMU data have timestamp and status codes, while point cloud data also has the target reflectivity, coordinates, and tag information.

Point Cloud DataA point cloud is the collection of the points where the surface of an object was detected in the FOV of the LiDAR sensor. Each point contains the following information.

Target reflectivity: 0 to 255. 0 to 150 corresponds to the reflectivity within the range of 0 to 100% in the Lambertian reflection model. 151 to 255 corresponds to the reflectivity of target objects with retroflection properties.

The origin O' of IMU coordinates is defined in the point cloud coordinates as -84.7, -42.5, -35.3 (Unit: mm).

42.0

mm

Z

Y

X X

Z

X Y

Z

M

P(r,θ,φ)

o

θ

φ

Y

14.5

°

16.2

°

o

X

Z

Y X' Y'

Z'

o'

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Figure 5.2.1.1 Relationship between Cartesian coordinates and Spherical coordinates

x= r×sin(θ)×cos(φ)y = r×sin(θ)×sin(φ)z = r×cos(θ)

Tags: Indicates the return type of the laser and if the point detected is a noise. The format of the tag is as shown below:

bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0Reserved Return number:

00:return 0 01:return 110:return 211:return 3

Point property based on intensity:00:Normal01:High confidence level of the noise 10:Moderate confidence level of the noise 11:Reserved

Point property based on spatial position:00:Normal01:High confidence level of the noise10:Moderate confidence level of the noise11:Low confidence level of the noise

Coordinates: Can be expressed as Cartesian coordinates (x, y, z) and Spherical coordinates (r, θ, φ). The relationship between Cartesian and Spherical coordinates is shown in the figure below. When there is no object within the detective range or the object is placed outside the detective range, the coordinates of the point cloud will be expressed as 0, 0, 0 in Cartesian coordinates and as 0, θ, φ in Spherical coordinates.

Each tag is composed of one byte. In this byte, bit7 and bit6 are Group 1, bit5 and bit4 are Group 2, bit3 and bit2 are Group 3 while bit1 and bit0 are Group 4.

Group 2 indicates the return sequence of the sampling point. Featuring a coaxial optical path, the Tele-15 itself will generate a laser return even if there is no detectable object around. This return is recorded as return 0. After that, if there is any object within the detectable range, the first laser that returns to the Tele-15 is recorded as return 1, and then return 2, and so on. If the object is too close to the Tele-15, such as 1.5 m away, the first effective return will be merged into return 0, and be recorded as return 0.

Group 3 indicates if the sampling point is a noise based on the intensity of the return. Normally, the intensity of the returns of the noises generated due to the interference of atmosphere particles such as dust, rain, fog, and snow is quite low. Therefore, the noises are divided into two categories based on the intensity of the return received. "01" stands for low intensity of the return, indicating that the samples

42.0

mm

Z

Y

X X

Z

X Y

Z

M

P(r,θ,φ)

o

θ

φ

Y

14.5

°

16.2

°

o

X

Z

Y X' Y'

Z'

o'

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Figure 5.2.2.1 Pulse Per Second

Figure 5.2.2.2 UTC Time Commands

GPS: The GPS module outputs and transmits PPS signal and UTC time to the Tele-15 to synchronize the data. The PPS signal is sent to the Tele-15 via the sync cable and the UTC time is sent to the Tele-15 via SDK. Refer to the SDK Communication Protocols section for more information about commands. The logic of the UTC Time and PPS signal command are shown below. The timestamp of the point cloud data stands for the UTC sampling time of the point cloud once GPS synchronization is in use.

PPS

UTC

10

t0t1

t4

t0: 1000 mst1: 20 ms ≤ t1 ≤ 200 mst4: 10 ms ≤ t4 ≤ 500 ms

have a high possibility of being noises such as dust. "10" stands for moderate intensity of the return, indicating that the samples have a moderate possibility of being noises such as rain and fog. The lower the confidence level of the sample is, the lower the possibility that it is a noise.

Group 4 indicates if the sampling point is a noise based on its spatial position. Normally, when the Tele-15 LiDAR sensors detect two close objects, there will be some thread-like noises between the two objects. The noises are divided into three categories. The lower the confidence level of the noise is, the lower the possibility that it being a noise is.

TimestampBoth point cloud data and IMU data have timestamp information. There are three ways to synchronize data with the Tele-15: IEEE 1588-2008, Pulse Per Second (PPS), and GPS. When the three ways are used simultaneously, the synchronization priority is IEEE 1588-2008 > GPS > PPS.

IEEE 1588-2008: IEEE 1588-2008 is the Precision Time Protocol (PTP) enabling precise synchronization of clocks in measurement by Ethernet. Livox LiDAR sensors support UDP/IPV4 two-step PTP as well as the following messages: Sync, Follow_up, Delay_req, and Delay_resp.

PPS: PPS uses the sync cable for data synchronization. Refer to the Cables section for more information. The synchronization logic is shown in the figure below. The pulse interval in PPS is 1s (t0 = 1000 ms) while the continuous time of high-level voltage is from 20 ms to 200 ms. The rising edge of PPS resets the timestamp to zero, so the timestamp of the point cloud data indicates the duration between the point cloud sampling and the PPS rising edge.

Pulse Per Second(PPS)

t0t1

t0=1s1ms<t1<300ms

(PPS)

t0t1

t0=1000 ms20 ms < t1< 200 ms

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Status Description

Temperature status Indicates if there is any temperature abnormality. Temperature status includes normal, warning, and error.

Voltage status Indicates if there is any internal voltage abnormality. Voltage status includes normal, warning, and error.

Motor status Indicates if there is any internal motor abnormality. Motor status includes normal, warning, and error.

Dust warning Indicates if a significant amount of dust is detected on the optical window, if the optical window is covered by objects, or if there is an object less than 0.3 meters away from the LiDAR sensor.

Service life warning Indicates if the LiDAR sensor is nearing the end of its service life. The LiDAR sensor can still work for a short period once this warning appears. It is recommended to replace the LiDAR sensor once this warning appears.

PPS signal status Indicates whether the PPS sync signal is working normally.

Status CodesBoth point cloud data and IMU data have status codes information. The status codes display the current working status of the Tele-15 LiDAR sensors. By checking the status codes, users can see the temperature status, voltage status, motor status, dust warning, service life warning, and PPS signal status. Status codes can be viewed in Livox Viewer or in the SDK. Refer to the Livox Viewer User Manual for more information about how to check status codes.

Working states Description

Initializing The LiDAR sensor is powering on.

Normal The LiDAR sensor is powered on and working normally.

Standby The LiDAR sensor is powered on, but the laser beams are not active.

Power saving All components are powered off apart from the communication module.

Error The LiDAR sensor will enter error status when an error is detected and all the components are powered off apart from the communication module.

Working States & Working ModesThe working states of the Livox Tele-15 includes initializing, normal, standby, power saving, and error.

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The Tele-15 also has three working modes: Normal, Standby, and Power Saving. These modes can be set in Livox Viewer and SDK.

Dual Return Mode

The Tele-15 can be set to Dual Return mode using Livox Viewer or SDK. The Tele-15 can generate a point cloud of up to two returns in Dual Return mode, which has a point rate of 480,000 points per second.

To set the return mode, run Livox Viewer after the Tele-15 is connected. Click the desired device under the device manager page. Click to select the return mode.

IMU

Tele-15 has a built-in IMU providing the altitude data of the Tele-15.

The push frequency of the IMU can be set using Livox Viewer or SDK. Setting the IMU push frequency is the same as setting the return mode of the LiDAR sensor.

Figure 5.3.2 Relationship between the different working modes available in Livox Viewer

Power saving

StandbyNormal

Figure 5.3.1 Relationship between the different working states

Power saving

Initializing

Error

StandbyNormal

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Software Development Kit (SDK)Besides using Livox Viewer to check real-time point cloud data, users can also use the SDK or the ROS to apply the point cloud and IMU data acquired from Livox LiDAR sensors to different scenarios.

SDK Communication Protocol

With the SDK Communication Protocol, users can learn how to customize the Livox LiDAR sensors. The SDK Communication Protocol encompasses the following three types of data:

Control Command Data: Configuration and query of LiDAR parameters and status information.

Point Cloud Data: Point cloud data generated by LiDAR.

IMU Data: IMU data generated by the built-in IMU.

All data is stored in little-endian format.

Visit http://www.livoxtech.com/sdk to learn more information about SDK communication protocol, Livox SDK API reference, and ROS Toolkit.

Storage, Transportation, and MaintenanceStorage

The storage temperature range for the Livox Tele-15 is from -40° to 90° C (-40° to 194° F). Keep Livox Tele-15 LiDAR sensors in a dry and dust-free environment.• Make sure the Tele-15 LiDAR sensors are not exposed to environments containing poisonous or

corrosive gases or materials. • DO NOT drop Livox Tele-15 LiDAR sensors and be careful when placing a LiDAR sensor in storage or

taking it out of storage. • If a Tele-15 LiDAR sensor is not to be used for more than three months, regularly check the sensors

and connectors for abnormalities.

TransportationBefore transportation, place Livox Tele-15 LiDAR sensors in a suitable box for transportation and make sure it is secure.

Make sure to place foam inside the transportation box and that the box is clean and dry.

DO NOT drop Tele-15 LiDAR sensors and always be careful when carrying a LiDAR sensor.

MaintenanceIn normal conditions, the only maintenance required for the Livox Tele-15 is to clean the optical window of the LiDAR sensor. Dust and stains on the optical window can negatively affect the performance of the LiDAR sensor.

First, check the surface of the optical window to see if cleaning is necessary. If it is necessary to clean, follow the steps below:

1. Use compressed or canned air:

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Issue Solution

Cannot detect the LiDAR sensor

• Make sure that all cables are correctly wired.• Make sure the voltage and power supply is suitable. The voltage

should be between 10 and 15 V. If a Livox Converter 2.0 is in use, make sure the power supply has a voltage range between 10 and 15 V.

• Make sure that the LiDAR sensor is not connected to other software.• Make sure the LAN is selected.• Make sure no security software is installed that would block Ethernet

broadcasts.If the issues persists, try to turn off all firewalls and search again. Confirm the packet outputs for all connected devices using another application (e.g., Wireshark).

Cannot connect to the detected LiDAR sensor / Cannot start sampling

• Make sure that all cables are correctly wired.

• Make sure the voltage and power supply is suitable. The voltage should be between 10 and 15 V. If a Livox Converter 2.0 is in use, make sure the power supply has a voltage range between 10 and 15 V.

If the issue persists, reboot the LiDAR sensor and restart the software.

No data received Confirm the packet outputs for all connected devices using another application (e.g., Wireshark).

TroubleshootingThe table below shows you how to troubleshoot and resolve common issues with Livox Tele-15 LiDAR sensors. If the issue persists, contact Livox.

DO NOT wipe a dusty optical window, as it will only cause more damage. Dust the optical window with compressed or canned air before wiping the optical window. Note that if the optical window has no visible stains afterward, it is not necessary to wipe it also.

2. Wipe the stains:DO NOT wipe using a dry lens tissue, as it will scratch the surface of the optical window.If the optical window is still dirty, a mild soap solution can be used to gently wash the window. Repeat Step 2 to remove any remaining soap residue.

After-Sales InformationVisit www.livoxtech.com/support to check the after-sales policy and warranty conditions for Livox LiDAR sensors.

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AppendixAppendix 1

Livox Tele-15 Dimensions with Self-Dissipation Module (Unit: mm)

Top View

Bottom View

Side View Rear ViewFront View

45.0

45.0

106.5

16.0

122.

0 38.08.05

3.0

5±0.

03

94.2

112.0

42.0

11.8

28.0

16.0

45.0

45.0

3.05±0.03

8.59

106.5

6-M3 THRU

8.05 3.05

±0.0

3

1/4-20 UNC 5

4.09±0.06

12.0

6

6-M3 7.5

1/4-20 UNC 7

3.05±0.03 3

45.0

45.0

106.5

16.0

122.

0 38.08.05

3.0

5±0.

03

94.2

112.0

42.0

11.8

28.0

16.0

45.0

45.0

3.05±0.03

8.59

106.5

6-M3 THRU

8.05 3.05

±0.0

3

1/4-20 UNC 5

4.09±0.06

12.0

6

6-M3 7.5

1/4-20 UNC 7

3.05±0.03 3

45.0

45.0

106.5

16.0

122.

0 38.08.05

3.0

5±0.

03

94.2

112.0

42.0

11.8

28.0

16.0

45.0

45.0

3.05±0.03

8.59

106.5

6-M3 THRU

8.05 3.05

±0.0

3

1/4-20 UNC 5

4.09±0.06

12.0

6

6-M3 7.5

1/4-20 UNC 7

3.05±0.03 3

45.0

45.0

106.5

16.0

122.

0 38.08.05

3.0

5±0.

03

94.2

112.0

42.0

11.8

28.0

16.0

45.0

45.0

3.05±0.03

8.59

106.5

6-M3 THRU

8.05 3.05

±0.0

3

1/4-20 UNC 5

4.09±0.06

12.0

6

6-M3 7.5

1/4-20 UNC 7

3.05±0.03 3

45.0

45.0

106.5

16.0

122.

0 38.08.05

3.0

5±0.

03

94.2

112.0

42.0

11.8

28.0

16.0

45.0

45.0

3.05±0.03

8.59

106.5

6-M3 THRU

8.05 3.05

±0.0

3

1/4-20 UNC 5

4.09±0.06

12.0

6

6-M3 7.5

1/4-20 UNC 7

3.05±0.03 3

(55.0 - 60.0)Cable Bending Radius

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Appendix 2Livox Tele-15 Dimensions without Self-Dissipation Module (Unit: mm)

Top View

Bottom View

Side View Rear ViewFront View

6-M3 THRU

82.4

112.0

42.0

12.0

6

45.0

45.0

16.0 106.5

3.52

2.52±0.02 3

2.52±0.02 316

.045

.045

.0

3.05±0.03

8.59

106.5

6-M3 THRU

8.05 3.05

±0.0

3

1/4-20 UNC 5

4.09±0.06

6-M3 THRU

82.4

112.0

42.0

12.0

6

45.0

45.0

16.0 106.5

3.52

2.52±0.02 32.52±0.02 3

16.0

45.0

45.0

3.05±0.03

8.59

106.5

6-M3 THRU

8.05 3.05

±0.0

3

1/4-20 UNC 5

4.09±0.06

6-M3 THRU

82.4

112.0

42.0

12.0

6

45.0

45.0

16.0 106.5

3.52

2.52±0.02 32.52±0.02 3

16.0

45.0

45.0

3.05±0.03

8.59

106.5

6-M3 THRU

8.05 3.05

±0.0

31/4-20 UNC 5

4.09±0.06

6-M3 THRU

82.4

112.0

42.0

12.0

6

45.0

45.0

16.0 106.5

3.52

2.52±0.02 3

2.52±0.02 3

16.0

45.0

45.0

3.05±0.03

8.59

106.5

6-M3 THRU

8.05 3.05

±0.0

3

1/4-20 UNC 5

4.09±0.06

122.

6-M3 THRU

82.4

112.0

42.0

12.0

6

45.0

45.0

16.0 106.5

3.52

2.52±0.02 3

2.52±0.02 3

16.0

45.0

45.0

3.05±0.03

8.59

106.5

6-M3 THRU

8.05 3.05

±0.0

3

1/4-20 UNC 5

4.09±0.06

122.

(55.0 - 60.0)Cable Bending Radius

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© 2020 Livox Tech. All Rights Reserved. 25

Specifications

Appendix 3Livox Converter 2.0 Dimensions (Unit: mm)

74

52 22.9 37

66

4-M2 2.5

Top View Bottom ViewSide View

Model TELE-15

Laser Wavelength 905 nm

Laser Safety① Class 1 (IEC 60825-1:2014) (safe for eyes)

Detection Range (@100 klx)320 m @ 10% reflectivity500 m @ 50% reflectivity

FOV 14.5° (horizontal) × 16.2° (vertical)

Range Precision (1σ)< 2 cm (5 to 70 m), < 4 cm (70 to 120 m) @ 10% reflectivity< 2 cm (5 to 220 m), < 4 cm (220 to 380 m) @ 80% reflectivity

Angular Precision (1σ) < 0.03°

Beam Divergence 0.02° (horizontal) × 0.12° (vertical)

Point Rate240,000 points/s (first or strongest return)480,000 points/s (dual return)

Data Latency ≤ 2 ms

Data Port 100 Mbps Ethernet

Data Synchronization IEEE 1588-2008, PPS, GPS

False Alarm Ratio (@100 klx)② < 0.01%

IMU Built-in IMU model: BMI088

Operating Temperature Range -40° to 85° C (-40° to 185° F) (with self-dissipation module)

Storage Temperature Range -40° to 90° C (-40° to 194° F)

IP Rating IP67③

Power 12 W (typical), 36 W (startup)

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① The beam divergence of the Livox Tele-15 is 0.02° (horizontal) × 0.12° (vertical). The divergence of the embedded laser, however, is approximately 25.2° (horizontal) × 8° (vertical), which was measured at full width at half maximum. The maximum peak power of the embedded laser may exceed 70 W. In order to avoid being injured by the laser, DO NOT disassemble the Livox Tele-15.

② The false alarm ratio of the noise created by the stray light in a test environment of 100 klx at a temperature of 25° C (77° F).③ The Livox Tele-15 has an overall IP rating of IP67 (not including Livox Converter 2.0 and cables).

Power Supply Voltage RangeLivox Tele-15: 10 ~ 15 V DC (recommended 12 V DC and 36 W or higher) Livox Converter 2.0: 9 ~ 30 V DC

Noise 40 cm omnidirectional < 50 dB (without fan)

Dimensions112 × 94.2 × 122 mm (with self-dissipation module)112 × 82.4 × 122 mm (without self-dissipation module)

WeightApprox. 1.6 kg (with self-dissipation module)Approx. 1.5 kg (without self-dissipation module)

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Copyright © 2020 Livox Tech. All Rights Reserved.Livox and Livox Mid are trademarks of Livox Technology Company Limited.Windows is a registered trademark of Microsoft Corporation in United States and other countries.

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FAQs

What is the price of Livox Tele-15? ›

Livox TELE-15 LiDAR at Rs 244999 | LiDAR Sensor in Ahmedabad | ID: 2853602372012.

What is the range of Livox LiDAR? ›

The Livox Mid-40 LiDAR sensor is incredibly cost effective. It detects objects as far as 260 meters away <sup>[1]</sup> and uses an advanced non-repetitive scanning pattern to deliver highly accurate details in the FOV.

What is the cost of Livox LiDAR? ›

Livox Lidar Product And Processing Unit (mid-70, Avia, Horizon, Tele-15, Mid - 40Livox Hub) at Rs 99000 | Nikol | Ahmedabad | ID: 23008008230.

What are the uses of Livox? ›

Livox 500 MG Tablet 10 is used for managing the following conditions:
  • Urinary tract infections.
  • Lung infections such as pneumonia.
  • Respiratory tract infections like. bronchitis.
  • Sinusitis (an inflammation of the sinuses)
  • Ear, nose, and throat infections.
  • Skin and soft tissue infections.

What is the alternative to Livox lidar? ›

Livox's competitors
  • Livox.
  • XenomatiX.
  • Lumotive.
  • Cepton.
  • Velodyne Lidar.
  • Analog Photonics.
  • Benewake.

How far can iPhone LiDAR detect? ›

Introduced a few years ago, the LiDAR scanner is available on the Pro and Pro Max models of the iPhone 12, 13, 14, and 15, as well as the 11-inch and 12.9-inch iPad Pro models from 2020 and later. Nestled among the rear cameras, the scanner can detect objects up to 5 meters, or 16.5 inches.

How far does LiDAR penetrate? ›

Bathymetric lidar is most useful in the 0–10 m (0–33 ft) depth range in coastal mapping. On average in fairly clear coastal seawater lidar can penetrate to about 7 m (23 ft), and in turbid water up to about 3 m (10 ft).

How much does LiDAR cost? ›

LiDAR services generally range from $6,500 to $9,000 per day and up to $12,000 depending on client needs.

Is Livox a Chinese company? ›

Livox, a Chinese company, develops high-performance lidar sensors for industries like autonomous driving, robotics, and surveying, focusing on advanced technology at lower costs for wider adoption.

Who has the best LiDAR technology? ›

LiDAR Sensor Manufacturer Ranking
RankCompanyClick Share
1XenomatiX N.V.21.3%
2SICK AG11.9%
3Valeo7.5%
4Analog Devices, Inc.7.3%
6 more rows

What will replace LiDAR? ›

Li Niu, co-founder and CEO of Altos Radar, is convinced that millimeter wave radar is advancing at a pace that makes it a strong substitute for lidar in advanced driver assistance systems (ADAS) or even autonomous driving.

What is the price of fluvoxamine 20mg? ›

FLUVOXAMINE 20 MG CAPSULES at Rs 45/stripe | Luvox in Gandhinagar | ID: 2854140367897.

How much is the Livox Horizon? ›

Livox Horizon retails for $999 USD, and Tele-15 will retail for $1,499. For small quantities Livox sensors are available for purchase through the DJI online store at store.dji.com.

Where is Livox Lidar headquarters? ›

Where is Livox 's headquarters? Livox is located in Shenzhen, Guangdong, China .

What is the price of Datalogic TL50 W? ›

TL50-W-815 – Datalogic Colour Mark Sensor – Rs. 5000/- in India.

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Name: Foster Heidenreich CPA

Birthday: 1995-01-14

Address: 55021 Usha Garden, North Larisa, DE 19209

Phone: +6812240846623

Job: Corporate Healthcare Strategist

Hobby: Singing, Listening to music, Rafting, LARPing, Gardening, Quilting, Rappelling

Introduction: My name is Foster Heidenreich CPA, I am a delightful, quaint, glorious, quaint, faithful, enchanting, fine person who loves writing and wants to share my knowledge and understanding with you.