Safran LRF 6742 User Manual

Name: Safran LRF 6742
Brand: Safran
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LRF 6742 Integrator Manual

INTEGRATOR MANUAL LRF 6742 918574A

Public: 04.2023

Page: 10/63

Figure 2: LRF 6742 backside

Mainboard

Connector

Receiver

Important Information2
Contact2
Integrator Obligations2
Disclaimer2
Warranty2
Revision History / Errors3
End Clause3
Meaning of Symbols4
Intended Use5
Eye Safety6
Table of Contents7
General Information9
LRF: Laser Range Finder Module9
Main Parts of a LRF Module9
LRF Background Information11
Rangefinder Principle "Pulsed LRF11
Getting Started12
Unpacking12
First Steps with the LRF 674213
First Steps Without LRF Interface Kit13
Mechanical Interface14
Positioning Pin Holes14
Threaded Holes14
Bench Reference Design14
Alignment15
Alignment at 1550 Nm (Laser Measuring Wavelength)15
Alignment at 830 Nm (Pointer Wavelength)15
Alignment Without Camera: Back-Up Solution16
Quick Alignment with Laser-Viewing Card16
Nitrogen Flushing16
Optical Interface17
Coatings17
Isolation of Optical Channels17
Environment17
Hardware Interface17
Connector Description17
ESD Protection21
Operating Conditions21
Ground Concept21
Absolute Maximum Ratings22
Electrical Characteristics22
Current Consumption Detail: "Powering up23
Current Consumption Detail: "Measurement Sequence23
PWR_SAFE Signal Pin#924
Serial Interfaces25
Software Interface26
In a Nutshell26
Operating Modes28
Communication Protocol28
Command Structure29
Timing / Power on31
Operational Commands32
Range Measurement >Lm,MD,X*<Cs><Cr32
Fake Range Measurement >Lm,Mf,X*<Cs><Cr33
Continuous Low Power Mode / Alignment >Lm,Tl,X*<Cs><Cr34
Pointer On/Off >Lm,Rp,X*<Cs><Cr35
Laser Pointer Arm Command >Lm,Lp,X*<Cs><Cr36
Operation Mode Selection >Lm,Op,X*<Cs><Cr37
Block Range Measurement >Lm,Mb,X*<Cs><Cr38
Legacy: Continuous Range Measurement >Lm,Mt,X*<Cs><Cr39
Selectable Measurement Repetition Rate for Continuous Measurement40
Error Codes41
Servicing Commands42
Set Baudrate >Lm,Br,X*<Cs><Cr42
Query: Version, Software and Module Type >Lm,IV,1*<Cs><Cr43
Set Range Gate Minimum >Lm,Gl,X*<Cs><Cr44
Set Range Gate Maximum >Lm,Gh,X*<Cs><Cr45
Query: Get Range Gate Settings >Lm,Ig,X*<Cs><Cr46
Reset Settings >Lm,Rd*<Cs><Cr47
Query: Get Timestamp >Lm,It*<Cs><Cr48
Timestamp Activation >Lm,At,X*<Cs><Cr49
Set Range Sorting Method: >Lm,Sr,X*<Cs><Cr51
Test Commands52
IBIT (Initiated Built-In Test) >Lm,Tb,1*<Cs><Cr52
PBIT (Power Built-In Test) >Lm,Tb,2*<Cs><Cr53
Maintenance54
Cleaning54
Service Levels54
LRF Interface Tools55
LRF Interface Kit55
Interface Cable55
Appendix56
System Connector Reference Design56
Mechanical Interface LRF674258
Reference Design for Transmitter and Receiver Windows59
Reference Design for Connector60
Reference Design for Isolation of Optical Channels61
UTF-8 ASCII Table62
Abbreviations62

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Safran LRF 6742 Specifications

General

Brand	Safran
Model	LRF 6742
Category	Measuring Instruments
Language	English

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Safran LRF 6742 User Manual

Table of Contents

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Safran LRF 6742 Specifications

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