Safran LRF 3013, Manual

Page: 5 / 36

LRF 3013 Integrator Manual
Document number: TML 913655 ver A
Public: 13.03.2017
Confidential & Proprietary

Safran Vectronix AG
– All rights reserved
page: 5/36
Contents
Disclaimer ................................................................................................................................. 2
Safety Notices .......................................................................................................................... 3
1 General ............................................................................................................................... 7
1.1 Main Elements and functions of the LRF Module ...........................................................................7
1.1.1 Main parts ................................................................................................................................7
1.1.2 Interface parts ..........................................................................................................................8
2 LRF Background Information ........................................................................................... 8
2.1 Rangefinder Principle ......................................................................................................................8
2.1.1
The “Pulsed Diode” ..................................................................................................................8
2.1.2 Electronics................................................................................................................................9
2.1.3 Ranging Conditions ..................................................................................................................9
3 Getting Started .................................................................................................................11
3.1 First steps with the LRF Interface Kit ........................................................................................... 11
3.2 Using the Safran Vectronix Terminal Software ............................................................................ 14
3.3 First steps without LRF Interface Kit ............................................................................................ 16
3.4 Checklist in case of problems with LRF modules ........................................................................ 16
4 Integration .........................................................................................................................17
4.1 Mechanical Mounting & Handling ................................................................................................. 17
4.2 Design recommendations ............................................................................................................ 17
4.2.1 Preparation............................................................................................................................ 17
4.2.2 Mounting ............................................................................................................................... 17
4.2.3 Boresighting .......................................................................................................................... 18
4.2.4 Nitrogen flushing ................................................................................................................... 19
4.3 Front Protection ............................................................................................................................ 19
4.4 Eye Safety .................................................................................................................................... 20
5 HW Interface .....................................................................................................................21
5.1 System Connector and Signal Description .................................................................................. 21
5.2 Power Supply & Timing ................................................................................................................ 22
5.3 Serial Interface: UART ................................................................................................................. 24
5.4 Ground Concept ........................................................................................................................... 24
6 SW Interface ......................................................................................................................25
6.1 Communication Protocol .............................................................................................................. 25
6.1.1 Command structure .............................................................................................................. 25
6.1.2 ACK and NACK ..................................................................................................................... 26
6.1.3 Timing constraints ................................................................................................................. 26
6.2 Operational Commands ............................................................................................................... 26
6.2.1 Distance measurement ......................................................................................................... 26
6.2.2 Continuous distance measurement ...................................................................................... 27
6.2.3 Software versions, hardware configuration and serial number ............................................. 28
6.2.4 Built-In Self Test .................................................................................................................... 29