TERSUS BX40C User manual

User Manual
User Manual
Version V2.0-20210913
User Manual
For BX40C GNSS Board
©2021 Tersus GNSS Inc. All rights reserved.
Sales Enquiry: [email protected]
Technical Support: [email protected]
More details, please visit www.tersus-gnss.com

User Manual for BX40C GNSS Board v2.0
I
Revision History
Rev
Description
Date
Owner
1.0
Initial release
2020/12/23
LC
2.0
Renew
2021/09/13
LYP

User Manual for BX40C GNSS Board v2.0
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Table of Content
Revision History............................................................................................................I
Table of Content.......................................................................................................... II
List of Figures............................................................................................................. IV
List of Tables............................................................................................................... V
Notices.......................................................................................................................... 1
1. Introduction.............................................................................................................. 2
1.1 Overview of BX40C GNSS board...................................................................2
1.2 Receiver features.............................................................................................. 3
1.3 Related information...........................................................................................4
1.4 BX40C System Overview.................................................................................5
1.4.1 BX40C Board.............................................................................................. 6
1.4.2 Antenna........................................................................................................ 6
1.4.3 Power Supply.............................................................................................. 7
1.4.4 Communication Equipment.......................................................................7
1.4.5 Internal eMMC............................................................................................ 7
2. Installation................................................................................................................ 8
2.1 Unpacking...........................................................................................................8
2.2 Environmental conditions.................................................................................8
2.3 Selecting a GNSS antenna..............................................................................9
2.4 Power Supply Notices.................................................................................... 10
2.5 Receiver Installation....................................................................................... 10
2.6 Tersus GNSS Center Software..................................................................... 11

User Manual for BX40C GNSS Board v2.0
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2.7 RTK Configuration.......................................................................................... 14
3. Firmware Update and Auth Code.......................................................................16
3.1 Firmware Update Overview...........................................................................16
3.2 Firmware Update Using Tersus GNSS Center........................................... 17
3.3 Auth Code.........................................................................................................22
4. Technical Specifications...................................................................................... 23
4.1 BX40C specifications......................................................................................23
4.2 System integration.......................................................................................... 26
4.2.1 Connectors on BX40C board................................................................. 26
4.2.2 LED Descriptions......................................................................................27
4.2.3 Reference Schematic of the Interface Board.......................................27
5. Typical Application................................................................................................29
5.1 Data Collection on Internal eMMC............................................................... 29
5.2 Download Files from Internal eMMC............................................................30
5.3 Communicate with STRSVR Tool.................................................................31
6. Terminology........................................................................................................... 34

User Manual for BX40C GNSS Board v2.0
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List of Figures
Figure 1.1 System Overview of BX Boards..........................................................5
Figure 2.1 Config Page of Tersus GNSS Center...............................................12
Figure 2.2 Main Windows of Tersus GNSS Center...........................................13
Figure 3.1 Main interface of Tersus GNSS Center............................................17
Figure 3.2 Stop button on Tersus GNSS Center............................................... 18
Figure 3.3 Find UpdateFirmware in Tools bar....................................................18
Figure 3.4 Select file to update............................................................................ 19
Figure 3.5 Update in progress..............................................................................19
Figure 3.6 Firmware update successful..............................................................20
Figure 3.7 Advance setting for firmware update................................................21
Figure 3.8 Advance Update Setting.....................................................................21
Figure 4.1 3.45V Reference Schematic..............................................................28
Figure 4.2 Reference Schematic for a Serial Port............................................ 28
Figure 4.3 Reference Schematic for USB.......................................................... 28
Figure 5.1 COMM2-7pin to USB & DB9 Cable ................................................30
Figure 5.2 DB9 Male to USB Type A Male converter cable.............................30
Figure 5.3 Folders in the GNSS_U disk............................................................. 31
Figure 5.6 Configure serial port COM1...............................................................31
Figure 5.7 NTRIP Client configuration................................................................ 32
Figure 5.8 Draft position of the receiver............................................................. 32
Figure 5.9 Input and Output data in progress....................................................33

User Manual for BX40C GNSS Board v2.0
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List of Tables
Table 1.1 Document / Software used in this User Manual................................. 4
Table 2.1 Definition of the lights on Tersus GNSS Center............................... 12
Table 4.1 BX40C Board Specifications............................................................... 23
Table 4.2 24-pin header signals definition..........................................................26
Table 4.3 6-pin header signal definition.............................................................. 27
Table 4.4 LED descriptions................................................................................... 27

User Manual for BX40C GNSS Board v2.0
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Notices
The following notices apply to Tersus BX40C board.
Changes or modifications to this equipment not expressly approved
by Tersus could void the user’s authority to operate this equipment or
even has risk to damage the GNSS receivers.
Conventions
The following conventions are used in this manual:
!
Information that supplements or clarifies text.
A caution that actions, operation or configuration may lead to incorrect
or improper use of the hardware.
In this manual, all the commands to a receiver are in capital letters, which is
just for easy identification, the commands are not case-sensitive.
A warning that actions, operation or configuration may result in
regulatory noncompliance, safety issues or equipment damage.

User Manual for BX40C GNSS Board v2.0
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1. Introduction
1.1 Overview of BX40C GNSS board
The Tersus BX40C is a compact GNSS RTK board with full constellation
tracking for providing cm-level accuracy positioning. It can be integrated with
autopilots and inertial navigation units.
The BX40C board supports multiple constellations and multiple frequencies to
improve the continuity and reliability of the RTK solution even in harsh
environments. In-built 8GB memory makes data collection easy. It features
compatibility with other GNSS boards in the market via flexible interfaces,
smart hardware design, and commonly used log/command formats.
For further information about BX40C GNSS board, refer to
https://www.tersus-gnss.com/ for more details.

User Manual for BX40C GNSS Board v2.0
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1.2 Receiver features
The BX40C Receiver has the following features:
Supports multiple constellations & frequencies
GPS L1C/A, L2C, L2P, L5
GLONASS L1C/A, L2C/A
Beidou B1, B2, B3, support BDS-3
Galileo E1, E5a, E5b
QZSS L1C/A, L2C, L5
Supports 576 channels
Centimeter-level position accuracy
Flexible interfaces such as RS232, TTL, USB, CAN, Ethernet
Supports PPS output and event mark input
Supports up to 20Hz RTK solution updates and raw data output
In-built 8GB memory makes data collection easy
Pin-to-pin compatible with Trimble BD970
Log/command compatible with NovAtel protocol

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1.3 Related information
Table 1.1 Document / Software used in this User Manual
Name
Description
Link
Log & Command
document
Document providing all the loggings
output from BX40C receivers and all
the commands to the receivers
https://www.tersus-gnss.com/product/bx40
cunder Documents
Tersus Tool Suite
Tersus Tools including
TersusDownload, TersusGeoPix,
TersusGNSSCenter, TersusUpdate,
TersusRinexConverter
https://www.tersus-gnss.com/software
RTKLIB
A free & popularly used Post
processing tool
http://www.rtklib.com/
Support
If there is any problem and the information needed cannot be found in the
product documentation, request technical support by sending email to
[email protected] or logging a ticket in our tracking system
https://tersus.supportsystem.com/ .