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Summary of Contents for TERSUS BX40C
- Page 1 User Manual Version V2.0-20210913 User Manual User Manual For BX40C GNSS Board ©2021 Tersus GNSS Inc. All rights reserved. Sales Enquiry: sales@tersus-gnss.com Technical Support: support@tersus-gnss.com More details, please visit www.tersus-gnss.com...
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Page 2: Revision History
User Manual for BX40C GNSS Board v2.0 Revision History Description Date Owner Initial release 2020/12/23 Renew 2021/09/13... -
Page 3: Table Of Contents
User Manual for BX40C GNSS Board v2.0 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... - Page 4 User Manual for BX40C GNSS Board v2.0 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..............
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Page 5: List Of Figures
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... - Page 6 User Manual for BX40C GNSS Board v2.0 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..............
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Page 7: Notices
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. -
Page 8: Introduction
User Manual for BX40C GNSS Board v2.0 1. Introduction 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. -
Page 9: Receiver Features
User Manual for BX40C GNSS Board v2.0 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 ... -
Page 10: Related Information
User Manual for BX40C GNSS Board v2.0 Related information Table 1.1 Document / Software used in this User Manual Name Description Link Document providing all the loggings Log & Command https://www.tersus-gnss.com/product/bx40 output from BX40C receivers and all document under Documents... -
Page 11: Bx40C System Overview
User Manual for BX40C GNSS Board v2.0 BX40C System Overview To make BX40C board work, the following parts are necessary: Interface board and cables Power supply Data communications equipment GNSS antenna with Low Noise Amplifier (LNA) The BX40C receiver is illustrated in the figure below. -
Page 12: Bx40C Board
User Manual for BX40C GNSS Board v2.0 1.4.1 BX40C Board BX40C board consists of a Radio Frequency (RF) section and a digital section. Radio Frequency (RF) Section The receiver obtains filtered, amplified GNSS signals from the antenna. The RF section down converts the incoming RF signals to Intermediate Frequency (IF) signals which are processed by the digital section. -
Page 13: Power Supply
1.4.4 Communication Equipment A computer, a tablet or other data communications device are necessary to communicate with the receiver, and to receive and store the data that the receiver outputs. 1.4.5 Internal eMMC BX40C receiver supports up to 8GB internal eMMC. -
Page 14: Installation
User Manual for BX40C GNSS Board v2.0 2.Installation The BX40C board can be integrated to the customer’s system in various packages, and all actions can refer to the installation guide in this chapter. 2.1 Unpacking Inspect the shipping cartons visually for any signs of damage or mishandling before unpacking the receiver. -
Page 15: Selecting A Gnss Antenna
The antennas provided by Tersus can be found on Tersus website https://tersus-gnss.com/product/accessories. It is highly recommended that the antennas from Tersus are used to work with BX40C receivers. Contact Tersus support if problem occurs when an antenna from other vendors is used. -
Page 16: Power Supply Notices
When the appropriate equipment is selected, complete the following steps to set up and begin using the BX40C receiver. a) Install the BX40C board in an enclosure or on a mother board. b) Mount the GNSS antenna to a secure, stable structure. -
Page 17: Tersus Gnss Center Software
The warranty may be void if equipment is damaged by ESD. 2.6 Tersus GNSS Center Software BX40C receiver has serial ports, hence lots of serial tools can be used to communicate with receiver. Tersus... -
Page 18: Figure 2.1 Config Page Of Tersus Gnss Center
User Manual for BX40C GNSS Board v2.0 Figure 2.1 Config Page of Tersus GNSS Center The following table gives definition for the five lights at the bottom of Tersus GNSS Center interface. Table 2.1 Definition of the lights on Tersus GNSS Center... -
Page 19: Figure 2.2 Main Windows Of Tersus Gnss Center
User Manual for BX40C GNSS Board v2.0 Figure 2.2 Main Windows of Tersus GNSS Center To active the skyplot, signal strength, trajectory and other windows, the antenna signals must be received and the following three loggings must be input to the receiver:... -
Page 20: Rtk Configuration
User Manual for BX40C GNSS Board v2.0 2.7 RTK Configuration Example of RTK configuration (base mode): UNLOGALL //remove all logs UNDULATION USER 0.0 // Set user specified undulation value for ellipsoid height FIX POSITION B L H //B: latitude (degree), L: longitude (degree), H: ellipsoid height (m) For example: FIX POSITION xx.xxxxxx xx.xxxxxxx xx.xx... - Page 21 User Manual for BX40C GNSS Board v2.0 If the base's position is unknown, and the accuracy of the base can be meter-level, then it is recommended to use command POSAVE to setup the base, refer to the Log & Command document for more about this command.
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Page 22: Firmware Update And Auth Code
User Manual for BX40C GNSS Board v2.0 3.Firmware Update and Auth Code 3.1 Firmware Update Overview If a new firmware update is released, it will be available on the Tersus web site https://www.tersus-gnss.com/software , or you can get the updates from Tersus technical support by email support@tersus-gnss.com... -
Page 23: Firmware Update Using Tersus Gnss Center
Please follow the steps below to upgrade the firmware. 1) Power on the BX40C GNSS receiver; 2) Run Tersus GNSS Center software and communicate with the receiver, refer to section 2.6 for details. Make sure the receiver has finished initialization, which can be confirmed by input ‘LOG VERSION’ in the console window and the receiver will output feedback;... -
Page 24: Figure 3.2 Stop Button On Tersus Gnss Center
User Manual for BX40C GNSS Board v2.0 Figure 3.2 Stop button on Tersus GNSS Center 4) Select [Tools] -> [UpdateFirmware]; Figure 3.3 Find UpdateFirmware in Tools bar 5) Select the upgrade file. When a file is selected, the file is shown in the... -
Page 25: Figure 3.4 Select File To Update
User Manual for BX40C GNSS Board v2.0 Figure 3.4 Select file to update 6) The following figure shows the firmware is upgrading, two progresses are included in the firmware update; Figure 3.5 Update in progress Do not power off the receiver during the verification and update process. -
Page 26: Figure 3.6 Firmware Update Successful
User Manual for BX40C GNSS Board v2.0 Figure 3.6 Firmware update successful 8) Click [OK] and [Finish] buttons to close the firmware upgrade windows, the receiver will reset automatically. 9) After the board is booted, the firmware version can be confirmed by repeating step 2. -
Page 27: Figure 3.7 Advance Setting For Firmware Update
After firmware update is finished, power off the receiver, wait for five seconds and power on the receiver again. This option is for experienced users. If the customer is not sure whether it should be selected, contact Tersus technical support before select this option. -
Page 28: Auth Code
AUTHCODE and the auth code will be given, copy all of them (Ctrl + A & Ctrl + C) and paste them to the text console window of Tersus GNSS Center when the receiver is connected with computer. -
Page 29: Technical Specifications
User Manual for BX40C GNSS Board v2.0 4. Technical Specifications 4.1 BX40C specifications Table 4.1 BX40C Board Specifications Performance Signal Tracking GPS L1 C/A, L2C, L2P, L5 GLONASS L1 C/A, L2 C/A BeiDou B1, B2, B3, support BDS-3 Galileo E1, E5a, E5b... - Page 30 User Manual for BX40C GNSS Board v2.0 Initialization Reliability >99.9% Correction RTCM 2.x/3.x/CMR/CMR+ Data output NMEA-0183 and Tersus Binary Format Measurements 20Hz Data Rate Position Storage In-built 8GB memory Communication Serial ports RS-232 x1, TTL x2 COM baud rate Up to 921600bps USB ports USB 2.0 device x1...
- Page 31 User Manual for BX40C GNSS Board v2.0 Heat Sink Position Note: For optimum heat transfer, Tersus recommends the use of thermal interface materials between the processor and the heat sink. Environmental Operating Temperature -40°C ~ +75°C Storage Temperature -55°C ~ +85°C...
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Page 32: System Integration
User Manual for BX40C GNSS Board v2.0 4.2 System integration 4.2.1 Connectors on BX40C board There are two connectors on the BX40C board: a 24-pin and a 6-pin header. Table 4.2 24-pin header signals definition Signal Type Description Ground digital ground... -
Page 33: Led Descriptions
TD Magnetic center tap. *Hardware of Ethernet is ready, reserved for future upgrade. 4.2.2 LED Descriptions There are four LEDs on the front side of the BX40C receiver. The descriptions for these LEDs are as below. Table 4.4 LED descriptions... -
Page 34: Figure 4.1 3.45V Reference Schematic
User Manual for BX40C GNSS Board v2.0 Figure 4.1 3.45V Reference Schematic Figure 4.2 Reference Schematic for a Serial Port Figure 4.3 Reference Schematic for USB... -
Page 35: Typical Application
User Manual for BX40C GNSS Board v2.0 5.Typical Application 5.1 Data Collection on Internal eMMC The BX40C board is embedded with up to 8GB internal eMMC chip, which brings convenience for data collection. Before data collection, please make sure enough space is available on the internal eMMC chip. -
Page 36: Download Files From Internal Emmc
The files saved on the internal eMMC chip can be copied to the computer via a USB port. Detailed steps to download files from eMMC chip are as follows: 1) Create a connection between a BX40C receiver and a computer via the cables below. Connect the COMM2 port of a BX40C receiver to the USB port of a computer using COMM2-7pin to USB &... -
Page 37: Communicate With Strsvr Tool
5.3 Communicate with STRSVR Tool The steps of BX40C communicating with STRSVR tool are as follows: 1) Power on the BX40C receiver, connect COM1 and COM2 to the computer. COM2 is to communicate with Tersus GNSS Center, COM1 is to receive RTK corrections from a NTRIP caster. -
Page 38: Figure 5.7 Ntrip Client Configuration
5) Go back to the main page, and click [Start]. If everything is OK the following page will be shown. The input and output data will increase with time. And the position type of the receiver can be checked in Tersus GNSS Center... -
Page 39: Figure 5.9 Input And Output Data In Progress
User Manual for BX40C GNSS Board v2.0 software. Figure 5.9 Input and Output data in progress... -
Page 40: Terminology
User Manual for BX40C GNSS Board v2.0 6.Terminology ASCII American Standard Code for Information Interchange Compact Measurement Record Direct Current Electro-Static Discharge ECEF Earth Center Earth Fixed EGNOS European Geostationary Navigation Overlay Service GAGAN GPS Aided Geo Augmented Navigation GLONASS... - Page 41 Proprietary Notice All Information in this document is subject to change without notice and does not reflect the commitment on Tersus GNSS Inc. No part of this manual may be reproduced or transmitted by all means without authorization of Tersus GNSS Inc.
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