Manual
SF11 Laser altimeter
Product manual
Tab le o f co nt en ts
Table of figures
Figure 1 :: The main features of the SF11 3 ................................................................................................................
Figure 2 :: Power from the USB port 6 .....................................................................................................................
Figure 3 :: Regulated +5 V DC power supply connections 6 ..............................................................................................
Figure 4 :: LightWare Terminal showing running mode 6 ................................................................................................
Figure 5 :: USB communications 6 ...........................................................................................................................
Figure 6 :: Analog voltage connections 7 ...................................................................................................................
Figure 7 :: Serial interface connections 7 ..................................................................................................................
Figure 8 :: I2C interface connections 8 .....................................................................................................................
Figure 9 :: LightWare Terminal showing menu options expanded 9 ....................................................................................
Figure 10 :: Altitude represented by distance (Serial / I2C) and analog voltage 11 .................................................................
Figure 11 :: Alarm settings 12 ................................................................................................................................
Figure 12 :: Median Filter Response graph 14 .............................................................................................................
Figure 13 :: Labelling on the SF11 15 ........................................................................................................................
Figure 14 :: Dimension drawings of the SF11 16 ...........................................................................................................
Product ordering codes
!
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.
Product ordering codes 2 .....................................................................................................................................
1. Overview 3 ..................................................................................................................................................
2. Specifications of the SF11 4 ..............................................................................................................................
3. Quick start guide 5 ........................................................................................................................................
1. Making connections to the SF11 6 .......................................................................................................................
5. Menu options 9 ............................................................................................................................................
6. Instructions for safe use 15 ..............................................................................................................................
Appendix A :: Dimensions 16 .................................................................................................................................
Appendix B :: Main cable type 1, 35 cm 16 ................................................................................................................
Appendix C :: Connecting to Pixhawk Autopilot using “serial 4” 17 ....................................................................................
Appendix D :: Electromagnetic interference (EMI) graphs 17 ...........................................................................................
Appendix E :: Command set 19 ...............................................................................................................................
Revision history 20.............................................................................................................................................
Model family
Model name
Model description
SF11
SF11/B (50 m)
Laser altimeter, max 50 m
SF11
SF11/C (120 m)
Laser altimeter, max 120 m
SF11 Laser altimeter - Product manual - Revision 9 | of | © LightWare Optoelectronics (Pty) Ltd, 2019 | www.lightware.co.za 2 20