Table of Contents

 

Customer Support

7

Notices

8

1 Introduction

11

1.1

Fundamentals of GNSS + INS

11

1.2

System Components

12

1.3

Scope

12

1.4

Conventions

13

2 SPAN Installation

14

2.1

Required Equipment

14

2.2 SPAN-IGM Hardware

14

 

2.2.1 SPAN-IGM Cables

15

2.3

Hardware Set Up

16

 

2.3.1 Mount the Antenna

18

 

2.3.2 Mount the SPAN-IGM

18

 

2.3.3 Connect the Antenna to the SPAN-IGM

19

 

2.3.4 Connect Power

19

 

2.3.5 Connect a Computer to the SPAN-IGM

20

 

2.3.6 Connect I/O Strobe Signals

21

 

2.3.7 CAN Bus

21

 

2.3.8 COM3 Serial Port

22

 

2.3.9 Enable RS-422 serial connections

22

 

2.3.10 Odometer connection

23

2.4

Software Configuration

24

 

2.4.1 GNSS Configuration

24

 

2.4.2 SPAN IMU Configuration

24

2.5 SPAN-IGM LEDs

26

3 SPAN Operation

27

3.1

Communicating with the SPAN System

27

 

3.1.1 INS Window in NovAtel Connect

28

3.2

Real-Time Operation

29

 

3.2.1 System Start-Up and Alignment Techniques

30

 

3.2.2 Navigation Mode

32

 

3.2.3 Data Collection

32

 

3.2.4 Vehicle to SPAN Frame Angular Offsets Calibration Routine

33

 

3.2.5 SPAN Wheel Sensor Messages

34

3.3

Azimuth Sources on a SPAN System

35

 

3.3.1 Course Over Ground

35

 

3.3.2 Inertial Azimuth

35

 

3.3.3 ALIGN Azimuth

35

3.4

Data Collection for Post-Processing

36

3.5

Variable Lever Arm

37

4 SPAN-IGM Dual Antenna

38

4.1

Installation

38

4.2

Configuring ALIGN with SPAN-IGM

39

 

4.2.1 Alignment on a Moving Vessel - Aided Transfer Alignment

40

 

4.2.2 Alignment on a Stationary Vehicle - Aided Static Alignment

40

 

4.2.3 Unaided Alignment

41

 

4.2.4 Automatic Alignment Mode - Automatic Alignment (default)

41

4.3

SPAN ALIGN Attitude Updates

41

5 Reference Frames Within SPAN

42

5.1

The Local-Level Frame (ENU)

42

5.2 The SPAN Body Frame

42

SPAN-IGM User Manual Rev 2

3

Page 3
Image 3
Novatel OM-20000141 user manual Table of Contents

OM-20000141 specifications

The Novatel OM-20000141 is a high-performance multi-GNSS (Global Navigation Satellite System) receiver designed for various applications including precision agriculture, autonomous vehicles, and surveying. This state-of-the-art device combines cutting-edge technologies to provide accurate and reliable positioning data, making it an indispensable tool for professionals in fields that rely on geolocation.

One of the standout features of the Novatel OM-20000141 is its multi-frequency support, allowing it to receive signals from GPS, GLONASS, Galileo, and BeiDou systems. This capability significantly enhances the accuracy and reliability of positioning information, particularly in challenging environments where signal interference can occur. By utilizing multiple frequencies, the OM-20000141 can mitigate errors caused by atmospheric disturbances and multi-path signals, resulting in improved precision.

In addition to its multi-GNSS capabilities, the receiver incorporates advanced RTK (Real-Time Kinematic) technology, enabling centimeter-level accuracy. This is particularly beneficial for applications that require pinpoint geolocation, such as precision agriculture, where farmers need to optimize crop yields and resource usage. The RTK technology allows users to achieve real-time positioning corrections, making it a vital tool for surveying and construction projects that demand high precision.

The Novatel OM-20000141 also features built-in connectivity options, including Bluetooth and USB interfaces, facilitating seamless integration with other devices and systems. This connectivity is crucial for enabling real-time data sharing and remote monitoring, enhancing the usability of the device in various operational environments.

Robustness is another significant characteristic of the OM-20000141. Designed to withstand harsh conditions, the receiver features a durable housing that protects it from dust, moisture, and extreme temperatures. This resilience ensures that the device operates effectively in all weather conditions, making it suitable for outdoor applications.

Furthermore, the receiver is equipped with intelligent positioning algorithms that optimize performance in urban canyons and dense foliage areas, where traditional GNSS receivers may struggle. By leveraging these algorithms, the OM-20000141 can maintain reliable positioning even in challenging environments.

Overall, the Novatel OM-20000141 stands out as a versatile and reliable GNSS receiver, merging advanced technologies to deliver high accuracy and reliability. Its exceptional features make it an invaluable asset for professionals in various industries, enhancing their ability to achieve precise geolocation and optimize their operations.