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TERSUS BX306 User Manual

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User Manual
Version V2.0-20190314
User Manual
For BX Series GNSS Receiver
©2019 Tersus GNSS Inc. All rights reserved.
Sales & Technical Support:
sales@tersus-gnss.com & support@tersus-gnss.com
More details, please visit www.tersus-gnss.com
User Manual

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  • Page 1 User Manual Version V2.0-20190314 User Manual User Manual For BX Series GNSS Receiver ©2019 Tersus GNSS Inc. All rights reserved. Sales & Technical Support: sales@tersus-gnss.com & support@tersus-gnss.com More details, please visit www.tersus-gnss.com...

  • Page 2: Revision History

    User Manual for BX Series GNSS Receiver v2.0 Revision History Description Date Owner Issued for Review 2018/06/29 In section 1.2, add OEM board of BX316 and BX316R, add BX316D enclosure; In section 1.2.7, remove external SD card for BX316 and BX316R enclosure;...

  • Page 3: Table Of Contents

    1. Introduction......................4 Overview of BX Series GNSS Receivers..........4 1.1.1 BX GNSS OEM Boards................4 1.1.2 BX GNSS Enclosures................4 Related Documents and Information............5 1.2.1 OEM BX306 Board................5 1.2.2 OEM BX306Z Board................7 1.2.3 OEM BX316 Board................9 1.2.4 OEM BX316R Board................11 1.2.5 OEM BX316D Board................12 1.2.6...
  • Page 4 2.6.1 Auto Base Station List Function............34 Transmitting and Receiving Corrections..........36 Heading Output...................37 3. Firmware Update and Auth Code..............39 Firmware Update Overview..............39 Firmware Update Using Tersus GNSS Center........40 Auth Code....................45 4. Technical Specifications..................46 BX306 Board....................46 4.1.1 BX306 Specifications................46 4.1.2...
  • Page 5 BX316R Specifications...............64 4.4.2 40pin external cable................65 BX316D Board.................... 65 4.5.1 BX316D Specifications...............65 4.5.2 Connectors on BX316D board............68 BX306 Enclosure..................70 4.6.1 BX306 Enclosure Specifications............70 4.6.2 20pin external cable................71 BX316 Enclosure..................73 4.7.1 BX316 Enclosure Specifications............73 4.7.2 40pin external cable................75 BX316R Enclosure..................76 4.8.1 BX316R Enclosure Specifications............76...
  • Page 6 5.3.1 Communicate with NTRIP Client App..........88 Save Data to an External Data Logger........... 91 Communicate with STRSVR Tool............92 Create RTK using BX306 and a Radio........... 95 5.6.1 Radio to Transmit RTK Corrections..........96 5.6.2 Radio to Receive RTK Corrections..........97 Connect BX306 to Pixhawk..............

  • Page 7: List Of Figures

    Figure 1.18 System Overview of BX Boards............21 Figure 2.1 Carrying case..................25 Figure 2.2 Major Parts in the BX306 GNSS Kit Package........26 Figure 2.3 Major Parts in the BX306 GNSS UAV Kit Package......26 Figure 2.4 UART to USB converter................27 Figure 2.5 Device Manager..................27 Figure 2.6 AX3702 GNSS antenna................
  • Page 8 Figure 2.8 AX3705 Helix Antenna................28 Figure 2.9 Config Page of Tersus GNSS Center..........32 Figure 2.10 BX306 Enclosure Connected to a Laptop........33 Figure 2.11 Main Windows of Tersus GNSS Center........... 33 Figure 2.12 Auto Base Station List interface............35 Figure 2.13 Fixed position for base station............35...
  • Page 9 User Manual for BX Series GNSS Receiver v2.0 Figure 5.4 Outline of BX306 connected to Pixhawk..........97 Figure 5.5 Pixhawk Get Position from BX306............98 Figure 5.6 RTK corrections from the base BX306 are received......100 Figure 5.7 GPS status changes to rtk Fixed............100 Figure 5.8 Transfer Cable..................95 Figure 5.9 Outline of BX306 Connected to RS460 Radio........
  • Page 10 Table 1.15 Features of BX316D Enclosure............19 Table 1.16 LED Definition of BX316D Enclosure..........20 Table 2.1 Input Power Requirements..............30 Table 2.2 Definition of the lights on Tersus GNSS Center........32 Table 4.1 BX306 Board Specifications..............46 Table 4.2 Interface Signals Definition..............49 Table 4.3 BX306Z Board Specifications..............
  • Page 11 Table 4.7 Pin Definition of the 40pin external cable..........63 Table 4.8 BX306D Board Specifications..............65 Table 4.9 Interface Signals Definition..............68 Table 4.10 BX306 Enclosure Specifications............70 Table 4.11 Pin Definition of the 20pin external cable.......... 72 Table 4.12 BX316 Enclosure Specifications............73 Table 4.14 BX316R Enclosure Specifications............

  • Page 12: Notices

    Notices FCC Notices The BX306 enclosure has been tested and found to comply with the radiated and conducted emission limits for a Class A digital device. The Class A limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 13 A warning that actions, operation or configuration may result in regulatory noncompliance, safety issues or equipment damage. Tersus is providing BX series GNSS receivers with OEM version as well as with enclosure in a metal case. When a board is mentioned, it’s OEM version of the receiver, specifically.

  • Page 14: Table 0.1 Document / Software Used In This User Manual

    Mission Planner A popular Ground Station software Planner/ Support If there is any problem and the information needed cannot be found in the product documentation, request technical support using the Tersus website at www.tersus-gnss.com, or mail to support@tersus-gnss.com...

  • Page 15: Introduction

    1.1.1 BX GNSS OEM Boards OEM BX306 board – refer to section 1.2.1 for details; OEM BX306Z board – refer to section 1.2.2 for details; OEM BX316 board – refer to section 1.2.3 for details; OEM BX316R board – refer to section 1.2.4 for details;...

  • Page 16: Related Documents And Information

    Note 1: 20Hz solution is related to firmware release, contact Tersus technical support before this solution is used. The technical specification of BX306 board is provided in chapter 4. Two LEDs are installed on the BX306 board, whose definition is given in Table 1.2:...

  • Page 17: Figure 1.2 The Other Side Of Bx306 Board

    After power on, both LED1 and LED2 are ON for 3 – 5 seconds, then both are OFF for 2 seconds. Afterwards, LED1 will blink at 1Hz. The BX306 board is NOT booting up successfully if the LEDs are not acting as the above.

  • Page 18: Oem Bx306Z Board

    Up to 20Hz RTK solution and raw data output Up to 4GB internal eMMC for data collection. Note 1: 20Hz solution is related to firmware release, contact Tersus technical support before this solution is used. The technical specification of BX306Z board is provided in chapter 4. Three...

  • Page 19: Figure 1.4 The Other Side Of Bx306Z Board

    User Manual for BX Series GNSS Receiver v2.0 Figure 1.4 The other side of BX306Z Board Table 1.4 LED Definition of BX306Z Board Colour Description ON: RTK corrections are received. LED1 (left) ORANGE OFF: RTK corrections are not received. LED2 (middle) ORANGE ON: after power on.

  • Page 20: Oem Bx316 Board

    Up to 20Hz RTK solution and raw data output Support heading Compact design Note 1: 20Hz solution is related to firmware release, contact Tersus technical support before this solution is used. The technical specification of BX316 board is provided in chapter 4. Four LEDs...

  • Page 21: Figure 1.6 The Other Side Of Bx316 Board

    User Manual for BX Series GNSS Receiver v2.0 Table 1.6 LED Definition of BX316 Board Colour Description PWR & Log ON: if there is no data collection to eMMC card. GREEN (bottom 1) Blink: data saved to eMMC card. Default: 1Hz blink WHITE If data output at higher rate, the blink rate will increase (bottom 2)

  • Page 22: Oem Bx316R Board

    Up to 20Hz RTK solution and raw data output Compact design Note 1: 20Hz solution is related to firmware release, contact Tersus technical support before this solution is used. The technical specification of BX316R board is provided in chapter 4. Four LEDs are on the BX316R board, the definition is given in Table 1.6 in the...

  • Page 23: Oem Bx316D Board

    Figure 1.8 The other side of BX316R Board 1.2.5 OEM BX316D Board Figure 1.9 Overview of BX316D Board Table 1.8 Features of BX316D Board Supports three constellations, six Supports NMEA-0183 and Tersus Binary frequencies GPS L1/L2, GLONASS L1/L2, format BEIDOU B1/B2 Log & Command compatible with Novatel...

  • Page 24: Figure 1.10 The Other Side Of Bx316D Board

    User Manual for BX Series GNSS Receiver v2.0 Note 1: 20Hz solution is related to firmware release, contact Tersus technical support before this solution is used. The technical specification of BX316D board is provided in chapter 4. Two LEDs are installed on the BX316D board, whose definition is given in Table 1.9:...

  • Page 25: Bx306 Enclosure

    Note 1: The specific 20-pin cable has a COM3 connector, but its function is related to the firmware version, please check with Tersus technical support. The technical specification of BX306 enclosure is provided in chapter 4. Two LEDs are given on the BX306 enclosure panel, the definition is in Table 1.11.

  • Page 26: Bx316 Enclosure

    After power on, both LED1 and LED2 are ON for 3 – 5 seconds, then LED1 will be OFF, while LED2 keeps ON. The BX306 enclosure is NOT booting up successfully if the LEDs are not acting as the above.

  • Page 27: Figure 1.14 Bx316 Enclosure Panel

    Note 1: The specific 40-pin cable has a COM3 and Ethernet connectors, however their function is related to the firmware version, please check with Tersus technical support. Refer to section 2.8 for detail about how to output heading. The technical specification of BX316 enclosure is provided in chapter 4.

  • Page 28: Bx316R Enclosure

    It has the same hardware as that of BX316, however it cannot support RTK positioning or heading. BX316R can support RTK positioning and heading after an auth code is input. Contact Tersus sales for more details.

  • Page 29: Figure 1.15 Overview Of Bx316R Enclosure

    User Manual for BX Series GNSS Receiver v2.0 Figure 1.15 Overview of BX316R Enclosure Table 1.14 Features of BX316R Enclosure Feature BX316R Enclosure OEM board BX316R board Serial ports 2 LVTTL serial port Antenna interface Two SMA connectors Input power +5~+12VDC Power interface USB type A...

  • Page 30: Bx316D Enclosure

    ANTENNAMODE in the Log & Command document for detail. External SD card Heading Event Note 1: The specific 20-pin cable has a COM3 connector, however its function is related to the firmware version, please check with Tersus technical support.

  • Page 31: Figure 1.17 Bx316D Enclosure Panel

    User Manual for BX Series GNSS Receiver v2.0 The technical specification of BX316D enclosure is provided in chapter 4. Two LEDs are given on the BX306 enclosure panel, the definition is in the table below. Figure 1.17 BX316D Enclosure Panel Table 1.16 LED Definition of BX316D Enclosure...

  • Page 32: Bx Receivers System Overview

    Figure 1.18 System Overview of BX Boards Note 1: Only BX316 and BX316D can support the secondary antenna. 2: COM3 is related to firmware version, please contact Tersus technical support before it is used. 3: Currently Ethernet port is not supported.

  • Page 33: Bx Series Oem Boards

    User Manual for BX Series GNSS Receiver v2.0 1.3.1 BX Series OEM Boards BX series OEM boards consist 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 34: Antenna

    The antenna converts electromagnetic signals transmitted by GNSS satellites into electrical signals that can be used by the receiver. An active GNSS antenna is required for optimal receiver performance. Tersus is providing active GNSS antennas with precise phase centers and robust enclosures (refer to https://www.tersus-gnss.com/product/accessories...

  • Page 35: Enable Heading

    User Manual for BX Series GNSS Receiver v2.0 The external SD card must meet: Size ≤ 16GB File system: FAT32 The SD card should be installed into the external data logger before it is used, refer to section 5.4 for details. The data can be saved on the internal eMMC or external SD card manually or automatically, which is determined by the command LOGFILE.

  • Page 36: Installation

    RTK positioning, BX receiver needs the GNSS satellites signals input from the antenna and RTK corrections input from a serial port. The installation takes BX306 enclosure as the example, BX series OEM boards can be integrated to the customer’s system in various packages, and all actions can refer to the installation guide in this chapter.

  • Page 37: Uart To Usb Converter

    User Manual for BX Series GNSS Receiver v2.0 Figure 2.2 Major Parts in the BX306 GNSS Kit Package Figure 2.3 Major Parts in the BX306 GNSS UAV Kit Package 2.2 UART to USB converter The BX enclosure receivers communicate with other devices via a serial port,...

  • Page 38: Figure 2.4 Uart To Usb Converter

    After the driver is installed on your computer successfully, it can be found in device manager, refer to Figure 2.5. BX306 is connected to the UART to USB converter and any serial software tool can communicate with the BX306.

  • Page 39: Selecting A Gnss Antenna

    . Figure 2.11 shows the main windows of Tersus GNSS Center, refer to section 2.6 for more details. 2.3 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 the antennas from Tersus are used to work with BX series receivers.

  • Page 40: Power Supply Requirement

    Generally, AX3702 is widely used in survey application and is recommended for all other applications. AX3703 is recommended for UAV application. AX3705 is a part of solution for UAV PPK. Contact Tersus support if problem occurs when an antenna from other vendors is used. When installing the antenna: •...

  • Page 41: Oem Boards Installation Overview

    The input power requirement for the BX series receivers are given in Table 2.1 Table 2.1 Input Power Requirements BX series receivers Input Power Requirement OEM BX306 board +3.3 VDC +5%/-3% with less than 100 mV ripple OEM BX306Z board +3.3 VDC +5%/-3% with less than 100 mV ripple...

  • Page 42: Tersus Gnss Center Software

    BX receivers have serial ports, hence lots of serial tools can be used to communicate with receivers. Terus GNSS Center windows-platform-based serial tool, which is recommended to communicate with the BX receivers. Tersus GNSS Center can be downloaded from Tersus website https://tersus-gnss.com/software...

  • Page 43: Figure 2.9 Config Page Of Tersus Gnss Center

    (default is 115200). Figure 2.9 Config Page of Tersus GNSS Center The following table gives definition for the five lights at the bottom of Tersus GNSS Center interface. Table 2.2 Definition of the lights on Tersus GNSS Center...

  • Page 44: Figure 2.10 Bx306 Enclosure Connected To A Laptop

    User Manual for BX Series GNSS Receiver v2.0 Figure 2.10 BX306 Enclosure Connected to a Laptop Figure 2.10 shows a BX306 enclosure is connected to a laptop with a 20-pin external cable and a UART to USB converter. Commands can be input in the text console window, an OK response is output after a command is input, or the command is not input successfully.

  • Page 45: Auto Base Station List Function

    The procedure is introduced as below: 1) Create communication between the BX receiver and Tersus GNSS Center software, refer to section 2.6. 2) Under the Menu, click [Tool] -> [Auto Base Station List], the following...

  • Page 46: Figure 2.12 Auto Base Station List Interface

    User Manual for BX Series GNSS Receiver v2.0 Figure 2.12 Auto Base Station List interface 3) Fill the valid position range, check PosAve On, and click [Modify]. It is recommended that valid position range is >20m. 4) After the specific time (in the example, 0.01 hour is 36 seconds), the base is fixed with the 36 seconds averaging position.

  • Page 47: Transmitting And Receiving Corrections

    User Manual for BX Series GNSS Receiver v2.0 2.7 Transmitting and Receiving Corrections Rover Base Figure 2.14 Base/Rover Configure Example of RTK configuration (base mode): COM COM2 115200 //set the baud rate, optional INTERFACEMODE COM2 AUTO AUTO ON //set the interfacemode, optional FIX POSITION LAT LON HGT //fix the position of the base, for example: FIX POSITION 31.000302123 114.289244543 26.130...

  • Page 48: Heading Output

    User Manual for BX Series GNSS Receiver v2.0 INTERFACEMODE COM2 AUTO AUTO ON //set the interfacemode, optional LOG GPGGA ONTIME 1 //output GPGGA to check position type SAVECONFIG //save the configuration above The antenna of the base must be static and its position must be input, several ways can be used to input the position of the base: If the base's position is known, input it directly with command FIX.
  • Page 49 User Manual for BX Series GNSS Receiver v2.0 The default configuration of BX316D and BX316 is in single antenna mode; heading output is supported only when they are in dual antenna mode. To output heading, follow the steps below: 1) Connect two GNSS antennas to the primary and secondary connectors, respectively.

  • Page 50: Firmware Update And Auth Code

    User Manual for BX Series GNSS Receiver 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 51: Firmware Update Using Tersus Gnss Center

    Please follow the steps below to upgrade the firmware. 1) Power on the GNSS receiver; 2) Run Tersus GNSS Center software and communicate with the receiver, refer to section 2.6 for detail. 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 52: Figure 3.2 Stop Button On Tersus Gnss Center

    User Manual for BX Series GNSS Receiver 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 53: Figure 3.4 Select File To Update

    User Manual for BX Series GNSS Receiver 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 54: Figure 3.6 Firmware Update Successful

    User Manual for BX Series GNSS Receiver 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 55: 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 sophisticated users. If the customer is not sure whether it should be selected, contact Tersus technical support before select this option.

  • Page 56: 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 57: Technical Specifications

    User Manual for BX Series GNSS Receiver v2.0 4. Technical Specifications 4.1 BX306 Board 4.1.1 BX306 Specifications Table 4.1 BX306 Board Specifications GNSS Performance 1.5m RMS (Horizontal) Single positioning 3.0m RMS (Vertical) Position Accuracy 10mm+1ppm (Horizontal) RTK Positioning 15mm+1ppm (Vertical) Cold Start: <50s...
  • Page 58 User Manual for BX Series GNSS Receiver v2.0 L2 PSR 8 cm L2 ADR 1.0mm L1 PSR 8 cm L1 ADR 1.0mm GLONASS L2 PSR 8 cm L2 ADR 1.0mm Physical Description Size 71 * 46 * 10.3 mm Weight Mechanical Drawing HEAT SINK POSITION...
  • Page 59 100 mV p-p maximum Power Consumption 2.8W (typical) Note 1: when BX306 board is assembled in a metal case, a head sink must be installed between the hatch area and the metal case, or the thermal performance of the board will be decreased.

  • Page 60: Connectors On Bx306 Board

    User Manual for BX Series GNSS Receiver v2.0 4.1.2 Connectors on BX306 board There are two connectors on the BX306 board, J1 and J3, refer to the mechanical drawing in the above table. J1: MCX jack receptacle, straight (Johnson P/N 133-3711-202 or SAMTEC...

  • Page 61: Reference Schematic Of The Interface Board

    Not Connected 4.1.3 Reference Schematic of the Interface Board If an interface board is designed to work with BX306 board, the following are the reference schematics for the power, serial port, USB port, and CAN port. Please contact Tersus technical support if you need more about the interface...

  • Page 62: Figure 4.2 3.3V Reference Schematic

    User Manual for BX Series GNSS Receiver v2.0 Figure 4.2 3.3V Reference Schematic Figure 4.3 5V Reference Schematic Figure 4.4 Reference Schematic for a Serial Port...

  • Page 63: Bx306Z Board

    User Manual for BX Series GNSS Receiver v2.0 Figure 4.5 Reference Schematic for USB 4.2 BX306Z Board 4.2.1 BX306Z Specifications Table 4.3 BX306Z Board Specifications GNSS Performance 1.5m RMS (Horizontal) Single positioning 3.0m RMS (Vertical) Position Accuracy 10mm+1ppm (Horizontal) RTK Positioning 15mm+1ppm (Vertical) Cold Start: <50s Time to First Fix...
  • Page 64 User Manual for BX Series GNSS Receiver v2.0 Time Accuracy 20ns RMS Velocity Accuracy 0.03m/s RMS L1 PSR 6 cm L1 ADR 1.0mm L2 PSR 8 cm L2 ADR 1.2mm L1 PSR 6 cm L1 ADR 1.0mm Measurement BEIDOU Precision L2 PSR 8 cm L2 ADR...
  • Page 65 User Manual for BX Series GNSS Receiver v2.0 HEAT SINK POSITION ENVIRONMENTAL Operating -40C to +85C Temperature Storage Temperature -55C to +95C Humidity MIL-STD-810G, Method 507.5 Procedure II (95%) Random Vibration MIL-STD 810G Method 514.6, Category 24 (7.7 g RMS) Sinusoidal Vibration IEC 60068-2-6 (5 g)

  • Page 66: Connectors On Bx306Z Board

    User Manual for BX Series GNSS Receiver v2.0 Bump ISO 9022-31-06 (25 g) Shock Operating: MIL-STD-810G, Method 516.6, Procedure I (40 g) Non-operating: MIL-STD-810G, Method 516.6, Procedure V (75 g) Power Requirement Input Voltage +3.3 +5%/-3% VDC Allowable Voltage 100 mV p-p maximum Ripple Power Consumption 2.9W (typical)

  • Page 67: Table 4.4 2X12 Header Signals Definition

    User Manual for BX Series GNSS Receiver v2.0 Table 4.4 2X12 Header Signals Definition Signal TYPE Description Comments Ground LED. Flashes To drive an LED, a series resistor RTK LED when with a 300Ohms is required. correction is present. Drive high with a 3.3V to turn off, Powers the unit on and POWER_OFF leave floating or ground to keep...
  • Page 68 User Manual for BX Series GNSS Receiver v2.0 Connect COM2_RTS COM2 Request COM2_RTS transceiver if RS-232 level is Send – TTL Level required. Connect COM2_RX COM2_RX COM2 Receive line transceiver if RS-232 level is required. No Connect Reserved Connect COM2_TX COM2_TX COM2 transmit line transceiver if RS-232 level is...

  • Page 69: Table 4.5 2X3 Header Signals Definition

    Connect to Magnetics TD-. pair. minus. Connect to Magnetics TD CENT_TD TD Magnetic center tap. Center Tap. Note 1: all the ports are related to firmware release, contact Tersus technical support before using them. Refer to section 4.1.3 if interface board is designed.

  • Page 70: Bx316 Board

    User Manual for BX Series GNSS Receiver v2.0 4.3 BX316 Board 4.3.1 BX316 Specifications Table 4.6 BX316 Board Performance GNSS Performance 1.5m RMS (Horizontal) Single positioning 3.0m RMS (Vertical) Position Accuracy 10mm+1ppm (Horizontal) RTK Positioning 15mm+1ppm (Vertical) Heading accuracy 0.15 degree (1m baseline) Cold Start: <50s Time to First Fix Warm Start: <30s...
  • Page 71 User Manual for BX Series GNSS Receiver v2.0 L1 PSR 8 cm L1 ADR 1.0mm GLONASS L2 PSR 8 cm L2 ADR 1.0mm Physical Description 108 * 54 * 12 mm Size Weight Mechanical Drawing HEAT SINK POSITION...
  • Page 72 User Manual for BX Series GNSS Receiver v2.0 ENVIRONMENTAL Operating Temperature -40C to +85C Storage Temperature -55C to +95C Humidity MIL-STD-810G, Method 507.5 Procedure II (95%) Random Vibration MIL-STD 810G Method 514.6, Category 24 (7.7 g RMS) Sinusoidal Vibration IEC 60068-2-6 (5 g) Bump ISO 9022-31-06 (25 g) Shock...

  • Page 73: 40Pin External Cable

    User Manual for BX Series GNSS Receiver v2.0 4.3.2 40pin external cable A 40pin external cable is provided with the BX316/BX316R board and enclosure. Figure 4.7 Outline of the 40pin external cable The 40pin connector of the cable is Mouser’s DF50S-40DS-1L or equivalent, the connectors at the other side of the cable are 3pcs Mouser’s 7980DF1EA-6EP-2.5C and 2pcs 7980DF1EA-2EP-2.5C:...

  • Page 74: Table 4.7 Pin Definition Of The 40Pin External Cable

    User Manual for BX Series GNSS Receiver v2.0 Table 4.7 Pin Definition of the 40pin external cable TD1+ EVENT2 TD1- LED0 RD1+ LED1 RD1- EVENT1 COM1_RXD COM1_TXD...

  • Page 75: Bx316R Board

    User Manual for BX Series GNSS Receiver v2.0 COM2_RXD 3.3V COM2_TXD 3.3V 3.3V CANH1_TXD CANH1_RXD OTG_5V USB_DM 3.3V USB_DP CANH2_TXD USB_ID CANH2_RXD 4.4 BX316R Board 4.4.1 BX316R Specifications The specifications of BX316R board is the same with that of BX316 board, refer to Table 4.6 BX316 Board Performance for details.

  • Page 76: 40Pin External Cable

    User Manual for BX Series GNSS Receiver v2.0 4.4.2 40pin external cable The details of 40pin external cable refer to 4.3.2 40pin external cable. 4.5 BX316D Board 4.5.1 BX316D Specifications Table 4.8 BX306D Board Specifications GNSS Performance 1.5m RMS (Horizontal) Single positioning 3.0m RMS (Vertical) Position Accuracy...
  • Page 77 User Manual for BX Series GNSS Receiver v2.0 L2 ADR 1.2mm L1 PSR 6 cm L1 ADR 1.0mm BEIDOU L2 PSR 8 cm L2 ADR 1.0mm L1 PSR 8 cm L1 ADR 1.0mm GLONASS L2 PSR 8 cm L2 ADR 1.0mm Physical Description Size...
  • Page 78 User Manual for BX Series GNSS Receiver v2.0 ENVIRONMENTAL Operating Temperature -40C to +85C Storage Temperature -55C to +95C Humidity MIL-STD-810G, Method 507.5 Procedure II (95%) Random Vibration MIL-STD 810G Method 514.6, Category 24 (7.7 g RMS) Sinusoidal Vibration IEC 60068-2-6 (5 g) Bump ISO 9022-31-06 (25 g) Shock...

  • Page 79: Connectors On Bx316D Board

    User Manual for BX Series GNSS Receiver v2.0 4.5.2 Connectors on BX316D board There are three connectors on the BX316D board, J1, J3 and J4, refer to the mechanical drawing in the above table. 1. J1/J4: MMCX jack receptacle, straight 2.
  • Page 80 User Manual for BX Series GNSS Receiver v2.0 EVENT2 Event 2 Input Not Connected Has a 10K pull-up resistor on EVENT1 Event1 input board. Ground TXD1 COM1 transmit data LVTTL level, the max band rate RXD1 COM1 receive data is 921600 bps. Ground TXD2 COM2 transmit data...

  • Page 81: Bx306 Enclosure

    Reacquisition 1.0 s L2 (typical) Measurements 20Hz Data Rate Position Time Accuracy 20ns RMS Velocity Accuracy 0.03m/s RMS Measurement Precision Refer to BX306 board in chapter 4. Physical Description 102.5 * 57 * 24.5 mm Size Weight 150g Mechanical Drawing...

  • Page 82: 20Pin External Cable

    Operating: MIL-STD-810G, Method 516.6, Procedure I (40 g) Non-operating: MIL-STD-810G, Method 516.6, Procedure V (75 g) Power Requirement Voltage +5 – 12 VDC Power Consumption 3.2W (typical) 4.6.2 20pin external cable A 20pin external cable is provided with the BX306 and BX316D enclosure.

  • Page 83: Figure 4.9 Outline Of The 20Pin External Cable

    User Manual for BX Series GNSS Receiver v2.0 Figure 4.9 Outline of the 20pin external cable The 20pin connector of the cable is Mouser’s DF50S-20DS-1L or equivalent, the connectors at the other side of the cable are 3pcs Mouser’s 7980DF1EA-6EP-2.5C and 2pcs 7980DF1EA-2EP-2.5C: Table 4.11 Pin Definition of the 20pin external cable Signal Definition COM1...

  • Page 84: Bx316 Enclosure

    User Manual for BX Series GNSS Receiver v2.0 Pin 1 COM2_SCL Pin 4 EVENT1 Pin 1 COM2_SDA Pin 5 Pin 6 Pin 6 COM3_TX Pin 2 Pin 2 COM3_RX Pin 3 Pin 2 3.3V Pin 1 Pin 1 4.7 BX316 Enclosure 4.7.1 BX316 Enclosure Specifications Table 4.12 BX316 Enclosure Specifications GNSS Performance...
  • Page 85 User Manual for BX Series GNSS Receiver v2.0 0.5 s L1 (typical) Reacquisition 1.0 s L2 (typical) Measurements 20Hz Data Rate Position Time Accuracy 20ns RMS Velocity Accuracy 0.03m/s RMS L1 PSR 6 cm L1 ADR 1.0mm L2 PSR 8 cm L2 ADR 1.2mm L1 PSR...

  • Page 86: 40Pin External Cable

    User Manual for BX Series GNSS Receiver v2.0 ENVIRONMENTAL Operating Temperature -40C to +85C Storage Temperature -55C to +95C Humidity MIL-STD-810G, Method 507.5 Procedure II (95%) Random Vibration MIL-STD 810G Method 514.6, Category 24 (7.7 g RMS) Sinusoidal Vibration IEC 60068-2-6 (5 g) Bump ISO 9022-31-06 (25 g) Shock...

  • Page 87: Bx316R Enclosure

    User Manual for BX Series GNSS Receiver v2.0 4.8 BX316R Enclosure 4.8.1 BX316R Enclosure Specifications Table 4.13 BX316R Enclosure Specifications GNSS Performance 1.5m RMS (Horizontal) Position Accuracy Single positioning 3.0m RMC (Vertical) Cold Start: <50s Time to First Fix Warm Start: <30s 0.5 s L1 (typical) Reacquisition 1.0 s L2 (typical)
  • Page 88 User Manual for BX Series GNSS Receiver v2.0 L2 ADR 1.0mm Physical Description 111 * 57 * 24.5 mm Size Weight 150g Mechanical Drawing ENVIRONMENTAL Operating Temperature -40C to +85C Storage Temperature -55C to +95C Humidity MIL-STD-810G, Method 507.5 Procedure II (95%) Random Vibration MIL-STD 810G Method 514.6, Category 24 (7.7 g RMS) Sinusoidal Vibration...

  • Page 89: 40Pin External Cable

    User Manual for BX Series GNSS Receiver v2.0 Voltage +5 – 12 VDC Power Consumption 3.5W (typical) 4.8.2 40pin external cable The details of 40pin external cable refer to 4.3.2 40pin external cable. 4.9 BX316D Enclosure 4.9.1 BX316D Enclosure Specifications Table 4.14 BX316D Enclosure Specifications GNSS Performance 1.5m RMS (Horizontal)
  • Page 90 User Manual for BX Series GNSS Receiver v2.0 L1 ADR 1.0mm L2 PSR 8 cm L2 ADR 1.2mm L1 PSR 6 cm L1 ADR 1.0mm BEIDOU L2 PSR 8 cm L2 ADR 1.0mm L1 PSR 8 cm L1 ADR 1.0mm GLONASS L2 PSR 8 cm...

  • Page 91: 20Pin External Cable

    User Manual for BX Series GNSS Receiver v2.0 ENVIRONMENTAL Operating Temperature -40C to +85C Storage Temperature -55C to +95C Humidity MIL-STD-810G, Method 507.5 Procedure II (95%) Random Vibration MIL-STD 810G Method 514.6, Category 24 (7.7 g RMS) Sinusoidal Vibration IEC 60068-2-6 (5 g) Bump ISO 9022-31-06 (25 g) Shock...

  • Page 92: Typical Application

    User Manual for BX Series GNSS Receiver v2.0 5.Typical Application 5.1 Data Collection on Internal eMMC All the BX boards/enclosures are embedded with up to 4GB internal eMMC card, which brings convenience for data collection. Before data collection, please ensure enough space is available on the internal eMMC card, refer to section 0 to delete files on the internal eMMC card if needed.
  • Page 93 Two modes can be selected for data collection: manually (default) and automatically. If you want to save the loggings manually after the board is power on, please follow the steps below to configure the BX306 enclosure. Steps of saving data on eMMC manually, take recording static data as example:...
  • Page 94 User Manual for BX Series GNSS Receiver v2.0 4) LOGFILE OPEN //open the file to start data collection 5) LOGFILE CLOSE //close the file to stop data collection If you want to save the loggings automatically after the board is power on, please follow the steps below.

  • Page 95: Download Files From Internal Emmc

    User Manual for BX Series GNSS Receiver v2.0 5.2 Download Files from Internal eMMC The files saved on the internal eMMC card can be copied to the computer via a serial port. If files are downloaded from a BX316 or a BX316R enclosure, the USB port is recommended.
  • Page 96 1) Refer to Figure 5.1 and Figure 5.2 to create connection between a BX306/BX316 receiver and a computer; 2) Run TersusDownload software on the computer; Figure 5.4 File download using Tersus Download 3) Select the serial port to communicate with the receiver;...
  • Page 97 User Manual for BX Series GNSS Receiver v2.0 Figure 5.5 Select serial port for Download Port 4) Select the download speed (using USB port for example). Select baud rate if a serial port is used to download the files; Figure 5.6 Select download speed 5) After completing the above two steps, click [Start] and it pops out below window.

  • Page 98: Connect Bx306 To An External Bluetooth

    User Manual for BX Series GNSS Receiver v2.0 5.3 Connect BX306 to an External Bluetooth Tersus provides an external Bluetooth BT120, as well as the cable for the BX306 receiver. For more details about the Bluetooth module, please go to Tersus website https://www.tersus-gnss.com/product/bluetooth-bt120...

  • Page 99: Communicate With Ntrip Client App

    User Manual for BX Series GNSS Receiver v2.0 5.3.1 Communicate with NTRIP Client App The steps of BX306 communicating with NTRIP Client App are as follows: 1) Connect a BT120 to COM1 of the BX306 enclosure. 2) Connect COM2 of the BX306 to a laptop.
  • Page 100 User Manual for BX Series GNSS Receiver v2.0 Figure 5.11 Setting page of the NTRIP Client app 6) In the ‘Receiver Settings’, input the Bluetooth name which has been paired in step 3), all other options keep the default. Figure 5.12 Input Bluetooth name in the receiver settings 7) In the ‘NTRIP Settings’, all the upper six fields (Network Protocol, Caster IP, Caster Port, Username, Password and Data Stream) are mandatory, input them with the information obtained from the NTRIP service provider.
  • Page 101 8) Go back to the first page of NTRIP and click [CONNECT] button, if everything is OK, it comes to the following page, which shows RTK corrections are being received and forwarded to the receiver via the Bluetooth. 9) Check the position type of the BX306.

  • Page 102: Save Data To An External Data Logger

    User Manual for BX Series GNSS Receiver v2.0 5.4 Save Data to an External Data Logger Tersus is providing an external data logger DL207, refer to Figure 5.14. DL207 supports 32GB card with FAT32 format. Refer https://www.tersus-gnss.com/product/external-data-logger-dl207 more details. Figure 5.14 Data logger DL207 Figure 5.15 Outline of BX306 Connected to DL207...

  • Page 103: Communicate With Strsvr Tool

    SAVECONFIG //Save the configuration above 7) Power off the BX306, connect the DL207 to the COM1 port of the BX306. 8) Power on the BX306, the data will be saved on the SD card. 9) Power off the BX306 after the data collection is finished.
  • Page 104 User Manual for BX Series GNSS Receiver v2.0 Figure 5.16 Configure serial port COM2 3) Select NTRIP client for input type, click the Opt button for NTRIP, and fill all the five fields for NTRIP client configuration. Figure 5.17 NTRIP Client configuration 4) If needed, draft position of the receiver is input, refer to the following figure.
  • Page 105 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 software.

  • Page 106: Create Rtk Using Bx306 And A Radio

    Compatibility and reliability problems may occur if two radios are from different suppliers, although they are compatible. Figure 5.21 shows a BX306 receiver connected to Tersus RS460 radio, refer to more about this radio in https://www.tersus-gnss.com/product/2w-radio-rs460...

  • Page 107: Radio To Transmit Rtk Corrections

    Connect to an antenna to RS460 radio and power it on. Run Tersus GNSS Center to communicate with the BX306 enclosure. Input the following commands / loggings to the BX306 enclosure in Tersus GNSS Center: FIX POSITION LATITUDE LONGITUDE HEIGHT //Fix the base’s position...

  • Page 108: Radio To Receive Rtk Corrections

    Ensure COM2 has the same baud rate as the radio’s serial port. Check the position type of the BX306 in Tersus GNSS Center. 5.7 Connect BX306 to Pixhawk A specific Pixhawk cable is used to connect the BX306 receiver to Pixhawk’s GPS port. Figure 5.22 Cable between Pixhawk and BX306 Figure 5.23 Outline of BX306 connected to Pixhawk...
  • Page 109 //Save the configuration above Run Mission Planner software and create communication with the Pixhawk. The GPS data from the BX306 is recognized by Mission Planner if the GPS status becomes ‘3D Fix’ (refer to Figure 5.24). Figure 5.24 Pixhawk Get Position from BX306 To get the cm-level position, RTK corrections must be transmitted to the BX306 enclosure, which is connected to the Pixhawk.
  • Page 110 User Manual for BX Series GNSS Receiver v2.0 to transmit RTK corrections: 1) The BX306 on the UAV is connected to a radio, which is used to receive the RTK corrections from a base on ground, refer to section 5.6.
  • Page 111 User Manual for BX Series GNSS Receiver v2.0 Figure 5.25 RTK corrections from the base BX306 are received 4) After the rover BX306 is outputting RTK solution to the Pixhawk, the GPS status will change from ‘3D fix’ to ‘rtk Fixed’.

  • Page 112: Uninstall The Cable From Bx306 Enclosure

    User Manual for BX Series GNSS Receiver v2.0 5.8 Uninstall the Cable from BX306 Enclosure The 20pin/40pin external cable is self-locking, the connection is reliable after the cable is installed. The following figure gives how to uninstall the cable from the receiver with the 20pin external cable as an example.

  • Page 113: Terminology

    User Manual for BX Series GNSS Receiver v2.0 6.Terminology ASCII American Standard Code for Information Interchange Compact Measurement Record Direct Current Electro-Static Discharge ECEF Earth Center Earth Fixed GLONASS GLObal NAvigation Satellite System GNSS Global Navigation Satellite System Global Positioning System Intermediate Frequency Inertial Measurement Unit Input / Output...
  • Page 114 User Manual for BX Series GNSS Receiver v2.0 Transistor-Transistor Logic level UART Universal Asynchronous Receiver/Transmitter Universal Serial BUS WGS84 World Geodetic System 1984...
  • Page 115 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.

This manual is also suitable for:

Bx316Bx seriesBx306zBx316rBx316d

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