Table Of Contents; Product Ordering Codes - Lightware LW20 Product Manual

Table of contents

Product ordering codes .....................................................................................................................................
1. Overview of the LW20 ...................................................................................................................................
2. What can the LW20 do? .................................................................................................................................
3. What are the main characteristics of the LW20?
4. Specifications of the LW20 / SF20
5. How to communicate with the LW20 using the graphical interface
6. How to communicate with the LW20 using a terminal emulator
7. How to communicate with the LW20 using a controller
8. How to do an initial setup of the LW20
9. How to set up a scanning LiDAR using a digital servo
10. How to set up the alarms .............................................................................................................................
11. Limitations ..............................................................................................................................................
12. Instructions for safe use ..............................................................................................................................
Appendix A :: Dimension drawings
Appendix B :: Cables .......................................................................................................................................
Appendix C :: Complete command set for machine-to-machine communications
Revision history ..............................................................................................................................................
Table of figures
Figure 1 :: Measuring exact height above ground
Figure 2 :: Collision avoidance zones
Figure 3 :: Autonomous vehicle navigation
Figure 4 :: Connection to a USB converter cable
Figure 5 :: Setting the baud rate for LW20 communications
Figure 6 :: The graphical interface Home screen
Figure 7 :: The graphical interface Setup screen
Figure 8 :: The graphical interface Parameters screen
Figure 9 :: The graphical interface Operate screen
Figure 10 :: Connection to a USB converter cable
Figure 11 :: Setting the baud rate for LW20 communications
Figure 12 :: Arrangement of screens in terminal emulation mode
Figure 13 :: Connection to a Devantech USB-ISS module
Figure 14 :: The LightWare Terminal application top level window showing the toolbar
Figure 15 :: Selecting the Devantech I2C-ISS converter
Figure 16 :: I2C test dialog box showing command buttons
Figure 17 :: Initial setup using the GUI or terminal emulation
Figure 18 :: Servo connections ...........................................................................................................................
Figure 19 :: Setting up the electrical and mechanical characteristics of the servo
Figure 20 :: Setting the servo's limits of motion using the PWM values
Figure 21 :: Setting the servo's PWM scale
Figure 22 :: Setting up the servo's scanning characteristics
Figure 23 :: The effect of servo lag with no correction and after applying a 2.5 degree correction
Figure 24 :: Reducing the field of view to avoid detecting the landing legs on a drone
Figure 25 :: Uni-directional scanning for higher precision
Figure 26 :: Setting the alarms to warn of nearby objects
Figure 27 :: Setting two dimensional alarms
Figure 28 :: Laser radiation information and labels
Figure 29 :: Dimension drawings of the LW20 and SF20
Figure 30 :: Serial and power cable
Figure 31 :: I2C and power cable

Product ordering codes

Model family Model name
LW20 LW20/SER (100 m)
LW20 LW20/I2C (100 m)
SF20 SF20 (100 m)
Disclaimer
Information found in this document is used entirely at the reader's own risk and whilst every effort has been made to
ensure its validity, neither LightWare Optoelectronics (Pty) Ltd nor its representatives make any warranties with respect
the accuracy of the information contained herein.
LW20 / SF20 LiDAR - Product manual - Revision 2
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LiDAR sensor with serial output, max 100 m
LiDAR sensor with I2C output, max 100 m
Open frame LiDAR sensor with serial and I2C output, max 100 m
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LW20 / SF20 LiDAR sensor
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Model description
© LightWare Optoelectronics (Pty) Ltd, 2017
Product manual
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www.lightware.co.za
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