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bynav BY682 User Manual

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BY682 GNSS Receiver
USER MANUAL
INTRODUCTION
BY682T GNSS high precision positioning and heading receiver is built-in bynav BY682 RTK
positioning and heading board, embedded with bynav new generation RTK algorithm engine,
also supporting three vector RTK solution to further optimize the stability of positioning and
heading under dynamic conditions.
NO.：UG011
Level：Public
Version：2020.8

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Summary of Contents for bynav BY682

  • Page 1 USER MANUAL INTRODUCTION BY682T GNSS high precision positioning and heading receiver is built-in bynav BY682 RTK positioning and heading board, embedded with bynav new generation RTK algorithm engine, also supporting three vector RTK solution to further optimize the stability of positioning and...

  • Page 2: Table Of Contents

    5 COMMON OPERATION ......................... 10 5.1.1 Serial Communication ......................... 10 5.2 E ........................10 THERNET OMMUNICATION 5.3 C ..........................13 OMMAND ORMAT 5.4 C ........................14 OMMON OMMAND 5.5 B ........................17 TATION ONFIGURATION 5.5.1 Quick Set up ..........................17 TEL：+86-731-85058117 http://www.bynav.com...
  • Page 3 BY682 Data Sheet 5.5.2 Method 1: Restore the default configuration and restart ............17 5.5.3 Method 2: Step by step configuration..................18 5.6 R ........................ 19 OVER TATION ONFIGURATION 5.6.1 Quick Set up ..........................19 5.6.2 Method 1: Restore the default configuration and restart ............19 5.6.3 Method 2: Step by step configuration..................

  • Page 4: Overview

    BY682 Data Sheet 1 OVERVIEW BY682T GNSS high-precision positioning and heading receiver, with built-in BY682E GNSS high-precision positioning and heading board, is made of high-quality aluminium alloy, which makes it beautiful, durable and easy to install. Embedded with our new generation of RTK algorithm framework, BY682E high...

  • Page 5: Technical Specification

    BY682 Data Sheet Figure 2-1 BY682T rugged enclosure Figure 2-2 BY682 OEM receiver board 2.2 Technical Specification 2.2.1 Built-in GNSS OEM receiver Model BY352 BY682E BY682S ● ● ● Single Point Positioning ● ● ● Dual-Antenna Heading ● ● ●...
  • Page 6 BY682 Data Sheet Observations 〇 〇 〇 NTRIP B1l、B2l B1l、B2l L1C/A、L2C L1C/A、L2C、L2P QZSS L1C/A、L2C L1C/A、L2C Signal IRNSS Frequency GLONASS G1、G2 〇 BDS-3 B1C、B2a 〇 Galileo E1、E5b ≤1mm（RMS） Carrier Phase Measurement L1CA,L2C,L2P, ≤ 0.12m（RMS） Accuracy G1,G2 Pseudorange ≤ 0.06m（RMS） Other signals...

  • Page 7: Physical And Electrical Specification

    BY682 Data Sheet 20-pin double 28-pin double row, male Power&Data Connectors row, male （2mm） （2mm） UART×3 UART×3 1PPS×1 1PPS×1 EVENT EVENT UART×3 IN×2 Communication Ports IN×2 1PPS×1 EVENT EVENT OUT×1 OUT×1 CAN×1 CAN×1 LAN×1 Notes:“●”means Supported,“ 〇 ”means Optional,“ － ”means Not Supported.

  • Page 8: Secondary Antenna Port (Ant2)

    BY682 Data Sheet 3.1 Secondary Antenna Port (ANT2) Feature Specification Antenna feed Type TNC-K Function Connect with measurement antenna to obtain carrier phase observation value, provide heading data (secondary channel). 3.2 Primary Antenna Port (ANT1) Feature Specification LNA feed Type...

  • Page 9: Led Indicator

    BY682 Data Sheet Figure3-3 Data Port Signal Type Description Notes —— No signal definition Output Transmission RS232 level Input Reception RS232 level —— No signal definition Ground Signal circuit —— No signal definition —— No signal definition —— No signal definition Differential port carry +5V feed ——...

  • Page 10: Installation Diagram

    BY682 Data Sheet Figure3-4 LED Indicators Indicator Status Notes Power Green solid power on Front Ant. Green blink blinking after received satellite signal, blinking times represent number of satellites Rear Ant. Green blink blinking after received satellite signal, blinking times...

  • Page 11: Quick Set-Up

    Figure 3-5 BY682T Installation Mechanical Diagram 4 QUICK SET-UP 4.1 Prepare hardware Bynav receiver can be flexibly installed according to the application scenario needs. The following figure shows a quick installation diagram. Figure 4-1 BY682T Typical Installation Diagram According to the above diagram, we need to prepare the following tools in advance: ...

  • Page 12: Connect Hardware

    BY682 Data Sheet 4.2 Connect hardware The receiver includes two RS32 serial ports, one Ethernet port, two TNC-K antenna feed interfaces and one GX-16 interface. Figure 4-2 Simple evaluation kit (EVK) Then place the GNSS antenna in a stable and unobstructed area, connect the antenna to the board via RF cable.

  • Page 13: Common Operation

    5 COMMON OPERATION  Users can flexibly select the serial port and Ethernet port connection mode according to the application scenario.  The software BY_CONNECT can be directly downloaded from Bynav official website (https://www.bynav.com/cn/resource/support). 5.1.1 Serial Communication The following is the serial configuration using BY_CONNECT: Figure 5-1 BY_CONNECT 5.2 Ethernet Communication...
  • Page 14 BY682 Data Sheet Figure 5-2 Ethernet port configuration software Log in Interface TEL：+86-731-85058117 http://www.bynav.com 11 / 33...
  • Page 15 BY682 Data Sheet Figure 5-3 Ethernet port configuration software interface Figure 5-4 Base station Ethernet port configuration in UDP mode Figure 5-5 Rover station Ethernet port configuration in UDP mode TEL：+86-731-85058117 http://www.bynav.com 12 / 33...

  • Page 16: Command Format

    Figure 5-6 Base station Ethernet port configuration in TCP mode Figure 5-7 Rover station Ethernet port configuration in TCP mode 5.3 Command Format BYNAV GNSS Board output data in two formats: bynav and rtcm, they are defined as below: TEL：+86-731-85058117 http://www.bynav.com...

  • Page 17: Common Command Set

    Note: 1. Under bynav format, the common command set can be recognized, and the command will return "OK" after execution. 2. To obtain serial port baud rate and format, send “log comconfig” command.
  • Page 18 19200 set com1 baud rate to 19200, support maximum 921600 interfacemode com1 bynav set com1 input and output in bynav format (NMEA0183) bynav interfacemode com1 rtcm set com1 input and output in RTCM format (default RTCM3.2) rtcm fix position 28.234042909...
  • Page 19 BY682 Data Sheet log com3 gpgga ontime 0.2 Supported words include: gga/ori/gsv/rmc/zda/gsa/dop/avr/dhv/vtg/gsi/fpd/hpd/ntr/tra/atr/ log com3 gphpd ontime 0.2 hdt/pashr/psrvela/ptnlavr/ptnlpjk log com3 headinga ontime headinga/bestposa/besgrid antstatusa log com3 ptnlpjk ontime 0.2 ksxt(driving license testing system words) Modify output frequency, such as “log com3 gpgga ontime 0.2”, means “output com3 GGA in 5Hz”;...

  • Page 20: Base Station Configuration

    Example: Assuming that com3 is connected and the serial port baud rate matches (default 115200).  nterfacemode com3 bynav bynav (when com3 format is not known, you can switch directly. While it is known to be bynav format, it’s not necessary to send TEL：+86-731-85058117 http://www.bynav.com...

  • Page 21: Method 2: Step By Step Configuration

    Part 4 for more details)  bynav rtk (query the rtk mode, to confirm whether the above modification is in place. ) 5.5.3 Method 2: Step by step configuration Example: Assuming that com3 is connected and the serial port baud rate matches (default 115200).

  • Page 22: Rover Station Configuration

    Example: Assume that com3 is connected and the serial port baud rate matches (default 115200).  interfacemode com3 bynav bynav (When com3 format is not known, you can switch directly. When it is known to be bynav format, it’s not necessary to send TEL：+86-731-85058117 http://www.bynav.com...

  • Page 23: Method 2: Step By Step Configuration

    )  bynav rtk (query the rtk mode to confirm whether the above modification is in place. ) 5.6.3 Method 2: Step by step configuration Example: Assume that com3 is connected and the serial port baud rate matches (default 115200).

  • Page 24: Firmware Upgrade

    Certain design deficiencies or inadequacies that may exist in products may be improved by version iterations, so the board needs to upgrade the firmware to improve performance. The firmware upgrade package can be downloaded from BYNAV official website. The steps are as follows: 1.
  • Page 25 BY682 Data Sheet 2. Select the "****.dat" file to be burned into, double-click the file to enter the upgrade interface. 4. After confirming that the upgrade file is correct, click the "Upgrade" button. TEL：+86-731-85058117 http://www.bynav.com 22 / 33...
  • Page 26 BY682 Data Sheet Note: After clicking the “Upgrade” button, confirm the communication link works. If the communication fails, the following window will pop up. You need to try again after checking that the communication link is normal. If the communication is normal, enter the upgrade interface, as shown below: TEL：+86-731-85058117...
  • Page 27 BY682 Data Sheet When the upgrade progress reaches 100%, the software starts to count down. At this time, the upgrade is not completed yet. Do not power off. If failed, you need to reopen the BoardUpdate. If the upgrade is successful, the following pop-up window will appear. Finally, close the serial port, board or enclosure and then reboot.

  • Page 28: Faq

    BY682 Data Sheet steps are the same as above. 7 FAQ Below are the two tables that list the FAQ and troubleshooting methods. Table 7-1 FAQ Spatial signal interference: GPS jammer (truck), RDSS short message transmission, anti-interference test, radar test...
  • Page 29 BY682 Data Sheet Check if the board temperature is too high (there is temperature data in the log) Power supply interference Few satellites tracked or low carrier-to-noise ratio Spatial signal interference: GPS jammer (truck), RDSS short message transmission, anti-interference test, radar test...
  • Page 30 BY682 Data Sheet Connector damage Power supply interference Frequency unmatched Base station does not match Incompatible Base station Version failure issue Base station coordinates configuration is abnormal Distance to base station is more than 15km Poor or Differential link unstable...
  • Page 31 BY682 Data Sheet data is abnormal or differential data was received 1.1 seconds ago. If there is no such message, or the value is large, there is no differential data available. Check differential data reference coordinates: check if there is "no base station position" output, if yes, it means that the base station does not broadcast base station coordinates Check the differential data quality: "RTCM sys=0x25...
  • Page 32 BY682 Data Sheet 921600) -decode_rtcm3: len=146 type= 1074 -rtcm3 1074: signals=L1C,L2C L1+L2 -decode_ rtcm3: len= 92 type=1084 GLONASS -rtcm3 1084: signals=L1C -decode_ rtcm3: len= 39 type=1114 QZSS -rtcm3 114:1 signals=L1C,L2C L1+L2 -outlier rejected (sat= 61- 63 L1 v=-37.544) -ddbias outlier rejected1 sat=1 b=-994775.54 var=0.0259 The residual is large.
  • Page 33 This manual provides information about products of Hunan BYNAV Technology Co., Ltd. (hereinafter referred to as BYNAV). It does not transfer any rights or licenses of the company or third parties, including but not limited to patents, copyrights, trademarks, and proprietary rights in any form.

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