Velodyne VLS-128 User Manual

Chapter 5 • Installation & Integration
5.1 Overview 28
5.2 Mounting 28
5.3 Encapsulation, Solar Hats, and Ventilation 29
5.4 Connections 29
5.4.1 Interface Box and Cable 29
5.4.2 Operation Without an Interface Box 29
5.4.3 Power 29
5.4.3.1 Power Considerations 30
Chapter 6 • Key Features
6.1 Calibrated Reflectivity 31
6.2 Laser Return Modes 31
6.2.1 Single Return Modes: Strongest, Last 31
6.2.2 Multiple Returns 32
6.2.3 Dual Return Mode 32
6.3 Phase Locking Multiple Sensors 36
Chapter 7 • Sensor Inputs
7.1 Power Requirements 38
7.2 Interface Box Signals 39
7.3 Ethernet Interface 40
7.4 GPS, Pulse Per Second (PPS) and NMEA GPRMC Message 40
7.4.1 GPS Input Signals 40
7.4.2 Electrical Requirements 40
7.4.3 Timing and Polarity Requirements 40
7.4.4 GPS Connection Scenarios 43
7.4.4.1 Connecting a Garmin 18x LVC GPS Receiver 43
7.4.4.2 Connecting to a computer's serial port 45
7.4.4.3 Connecting to a microcomputer’s UART 45
7.4.5 NMEA Message Formats 46
7.4.5.1 Pre-NMEA Version 2.3 Message Format 46
7.4.5.2 NMEA Version 2.3 Message Format 47
5
DRAFT

Velodyne VLS-128 Specifications

General

Brand	Velodyne
Model	VLS-128
Category	Accessories
Language	English