Livox Hub Bedienungsanleitung

Livox Hub
v1.0
2019.02
User Manual

2
©2019 Livox Tech. All Rights Reserved.
Using this Manual
Legend
Warning Important Hints and Tips Explanation
Downloading Documents
Visit the link below to download the latest Livox Hub User Manual and other documents related to
Livox Hub.
https://www.livoxtech.com/hub
Downloading Livox Viewer
Visit the link below to download Livox Viewer.
https://www.livoxtech.com/hub
Searching for Keywords
Search for keywords such as “FOV” and “mount” to nd 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 Topic
View a complete list of topics in the table of contents. Click on a topic to navigate to that section.
Printing this Document
This document supports high resolution printing.

©2019 Livox Tech. All Rights Reserved.
3
Contents
Using this Manual 2
Legend 2
Downloading Documents 2
Downloading Livox Viewer 2
Product Prole 4
Introduction 4
Overview 4
Connectors 5
Livox LiDAR Port 5
Power Port and Power Cable 6
GPS Sync Port and GPS Sync Cable 6
Gigabit Ethernet Port 8
Mounting Livox Hub 8
Dimensions (With Port Covers) 8
Dimensions (Without Port Covers) 8
Getting Started 9
External Power Supply 9
Connection 9
Usage 11
Output Data 11
Working States & Working Modes 11
Integration of Point Cloud Data 12
Livox Viewer 12
Software Development Kit (SDK) 14
After-sales Information 14
Appendix 14
Status LED Description 14
Specications 15

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©2019 Livox Tech. All Rights Reserved.
Product Prole
Introduction
Livox Hub is a streamlined way to integrate and manage Livox LiDAR sensors and their data outputs.
One Livox Hub can connect to up to nine Livox LiDAR sensor units.
LiDAR Management: Livox Hub communicates with each connected LiDAR sensor and reads each
sensor’s connection status, rmware version, and working states. When Livox Hub is connected, users
can monitor all connected LiDAR sensors together through Livox Hub. If there are any abnormalities
with Livox Hub or the Livox LiDAR sensors connected, Livox Hub sends a warning prompt. Users can
then check the error codes using Livox Viewer or the Livox SDK.
Each Livox LiDAR port has independent power control and short circuit protection. Users can turn the
power supply on or o to a specic LiDAR port using Livox Viewer or the Livox SDK.
Livox Hub can unify the point cloud data into the user’s coordinate system and integrate all LiDAR point
cloud data into a single output. The point cloud data of Livox Hub can be displayed in Cartesian or
Spherical coordinates, and can be changed using Livox Viewer.
Time Synchronization: Time synchronization is supported by IEEE 1588-2008 (PTPv2) and GPS,
delivering sub-microsecond-level time synchronization of point cloud data.
Livox SDK: The Livox LiDAR Software Development Kit (SDK) is provided to help develop customizable
applications using the point cloud data.
• The precision of IEEE 1588-2008 (PTPv2) was tested in a lab environment.
• Refer to the SDK Communication Protocol to check the format of the point cloud timestamps.
• When nine Livox Mid-100 sensor units are connected to a Livox Hub, the maximum data
bandwidth is approximately 300Mbps.
• Operating Livox Hub in a residential environment could cause radio interference.
Overview
Livox Mid-40
1
2
4
5
6 7 8 9
3
1. Port Cover × 4
Protect the ports from damage. To view the
ports on Livox Hub, unscrew and remove the
port covers.
2. Status LEDs
Displays the working states of Livox Hub.
Refer to Appendix 7.1 for more information.
3. Dissipation Area
Dissipates heat. DO NOT cover this area when
Livox Hub is in use. It is recommended to
keep a space of 30 mm between this area and
other objects.
4. Livox Hub
The main section of Livox Hub, which can be
used with or without the port covers.

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5. Livox LiDAR Port × 7
A JAE MX34012NF1 type connector port
used to connect to Livox LiDAR sensor units.
Only compatible with JAE MX34012SF1 type
connectors.
6. Livox LiDAR Port × 2
A JAE MX34012NF1 type connector port
used to connect to Livox LiDAR sensor units.
Only compatible with JAE MX34012SF1 type
connectors.
7. Gigabit Ethernet Port
A RJ45 type Ethernet port used to connect to
Ethernet cables.
8. GPS Sync Port
A JAE MX34005NF1 type port used to connect
the designated GPS sync cable when GPS
synchronization is required. Only compatible
with JAE MX34005SF1 type connectors.
9. Power Port
A MOLEX 76825-0004 type port that connects
to an external power source. Only compatible
with MOLEX 171692-0104 type connectors.
* To view the ports on Livox Hub, unscrew and remove the port covers.
Connectors
Livox LiDAR Port
There are nine Livox LiDAR ports available on Livox Hub, and those nine Livox LiDAR ports have the
same functionality. Below is more information on the Livox LiDAR ports.
Figure 2.1.1 Livox Hub LiDAR port
Pin Signal Type Description
1Power+ Power DC Output 12.8 V
5 A Over Current Protect
7
2
Ground Power Ground8
11
3Ethernet_TX+ Output 100BASE-TX, TX+
4 Ethernet_TX- Output 100BASE-TX, TX-
5 PortDet Input Port Detection Signal
6Sync+ Input RS485_A, Pulse Per Second
9 Ethernet_RX+ Input 100BASE-RX, RX+
10 Ethernet_RX- Input 100BASE-RX, RX-
12 Sync- Input RS485_B, Pulse Per Second
Table 2.1.1 Livox Hub LiDAR port description
34
78910
56 2
1112
1

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©2019 Livox Tech. All Rights Reserved.
Pin Signal Type Description Color
1 Power+ Power DC 10-23 V Red
2 Power+ Power DC 10-23 V Red
3 Ground Power Ground Black
4Ground Power Ground Black
Figure 2.2.2 Power cable
Table 2.2.1 Livox Hub power port and power cable description
Power Port and Power Cable
The Livox Hub power port and the ends of the power cable included with Livox Hub have the same
functionality.
GPS Sync Port and GPS Sync Cable
The Livox Hub GPS sync port and the ends of the GPS sync cable included with Livox Hub have the
same functionality.
12
3
4
Figure 2.2.1 Livox Hub power port
Power Cable
Connect “A” to the power port of Livox Hub and connect “B” to an external DC power supply.
500±25
3
1
2
4
AB
1
2
34

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Pin Signal Type Description Color
1 PPS_N Input RS485_B, Pulse Per Second White
2 PPS_P Input RS485_A, Pulse Per Second Blue
3 Ground Power Ground Black
4 STAMP_N Input RS485_B, Pulse Per Second Yellow
5STAMP_P Input RS485_A, Pulse Per Second Grey
1
2
345
Figure 2.3.1 Livox Hub GPS sync port
GPS Sync Cable
Connect “A” to the GPS sync port of Livox Hub and connect “B” to the GPS sync signal. Refer to the
Data Synchronization section for more information.
1
2
345
500±25
AB
3
1
2
4
5
Figure 2.3.2 GPS sync cable
Table 2.3.1 Livox Hub GPS sync port and sync cable description
GPS Sync Signal Description:
Figure 2.2.2 GPS sync signal description
t0: 1000 ms
t1: 20 ms ≤ t1 ≤ 200 ms
t2: ~70 ms @ 9600 bps
t3: 0 ms ≤ t3 ≤ 430 ms
Refer to the Software Development Kit (SDK) section for more information about the GPS sync signal.
PPS
$GPRMC
t2
1
1
0
0
t0
t1
t3

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©2019 Livox Tech. All Rights Reserved.
Gigabit Ethernet Port
Livox Mid-40 Dimensions
The Gigabit Ethernet port is a RJ45 type Ethernet port, which supports 1000base-t and 100BASE-TX
and uses two twisted pairs to send and receive data. On the front of Livox Hub, there are three status
LEDs. LED 3 indicates the type of data transmission.
Blue: Megabit Ethernet is used for transmission
Green: Gigabit Ethernet is used for transmission
It is recommended to use Gigabit Ethernet for data transmission and to use Cat5e or above Ethernet
cables.
Refer to the Appendix section for more information on the status LEDs.
Mounting Livox Hub
Livox Hub is outtted with four M3 mounting holes with a depth of 6 mm on the bottom, and it can be
mounted using M3 screws. Livox Hub is already mounted with the port covers. The port covers can
be removed if there are spacial constraints when mounting or positioning Livox Hub. However, it is
recommended to keep the port covers mounted to Livox Hub. Only remove the port covers if absolutely
necessary. To remove the port covers, unscrew the screws.
Dimensions (With Port Covers)
Figure 3.1.2 Livox Hub dimensions without port covers
Unit: mm
Unit: mm
72
29
201
280
194.8
4-M3 6
72
153.2
201 194.8
4-M3 6
29
Dimensions (Without Port Covers)
Figure 3.1.1 Livox Hub dimensions with port covers
Weight Approx. 1352 g (for reference only)
Dimensions 280 × 201 × 29 mm

©2019 Livox Tech. All Rights Reserved.
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Figure 4.2.1 Connecting using dynamic IP address
Weight Approx. 865 g (for reference only)
Dimensions 201 × 153.2 × 29 mm
Getting Started
External Power Supply
The working voltage of Livox Hub is 10 V to 23 V. Regardless of how many Livox LiDAR sensors are
connected to Livox Hub, the working voltage range of Livox Hub remains the same. Contact Livox if you
intend to use an external power source exceeding 23 V.
Connection
Livox Hub uses an Ethernet cable for data transmission and supports user datagram protocol (UDP).
Both static and dynamic IP address congurations are supported and the addresses are assigned by
default to Livox Hub using dynamic host conguration protocol (DHCP).
The static and dynamic IP addresses are connected in different ways. The dynamic IP address is
connected by default using a router with DHCP. To connect to the static IP address, make sure Livox
Hub is in static IP mode by using Livox Viewer or the Livox SDK.
If Livox LiDAR sensors are connected to Livox Hub after the IP address is set, make sure to disconnect
the power source and connect again with the LiDAR sensors connected. Otherwise, the external
power source cannot provide power to the LiDAR sensors connected.
• DO NOT connect or disconnect the Livox LiDAR sensors to or from Livox Hub while powering on. It
is required to reconnect Livox Hub to the external power source after the Livox LiDAR sensors are
connected or disconnected.
Dynamic IP Address
PC
Livox Mid-40
Ethernet Cable External Power Source
Ethernet Cable
Gigabit Router (DHCP)
1. Connect the Livox LiDAR sensors to Livox Hub (a Livox Hub can connect to up to nine Livox LiDAR
sensor units).
2. Connect the computer and Livox Hub to the router using Ethernet cables. Make sure both the
computer and Livox Hub are connected to the LAN port on the router.
3. Connect Livox Hub to an external power source.
4. Connect one end of the GPS sync cable to the sync port and the other end to the designated sync
signal. Note that the GPS sync cable may not always be required.

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©2019 Livox Tech. All Rights Reserved.
The working voltage of Livox Hub is 10 V to 23 V. Contact Livox if you intend to use an external power
source exceeding 23 V.
• Make sure to use Gat5e or above Gigabit Ethernet cables and a Gigabit router.
Make sure to use a Gat5e or above Gigabit Ethernet cable.
• Make sure to set the IP address of Livox Hub back to dynamic IP address if it has been set to static IP
address to use a router for connection. Also, make sure to set your computer to dynamic IP address,
and follow the instructions in the Dynamic IP Address section.
• When Livox Hub is in use, it is not required to set the IP address to all the LiDAR sensors connected.
Only Livox Hub’s IP address should be set, and then Livox Hub will automatically assign an IP address
to each LiDAR sensor.
Static IP address
1. Connect Livox LiDAR sensors, router, external power source, and computer by following Figure 4.2.1.
2. Run Livox Viewer, and Click to open Device Manager. Select Livox Hub, and click to open
Properties. Set the IP address of Livox Hub to static IP address. Note that the static IP address of
Livox Hub should be 192.168.1.X. X can be set to any number between 2 to 233.
3. Disconnect Livox Hub, Livox LiDAR sensors, router, external power source, and computer.
4. Set the IP address of your computer to static IP address. Note that the static IP address of the
computer should be 192.168.1.X. X can be set to any number between 2 to 233 and should be
dierent from the IP address of Livox Hub set in Step 2.
Livox Hub
Livox Mid-40
Ethernet Cable
External Power Source
PC
Figure 4.2.2 Connecting using static IP address
5. Connect the Livox LiDAR sensors to Livox Hub (a Livox Hub can connect up to nine Livox LiDAR
sensor units).
6. Connect Livox Hub to the computer using an Ethernet cable.
7. Connect Livox Hub to an external power source.
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