Trimble BD992

La fiche produit est en anglais pour respecter les données du fabricant.

Key Features:

• Trimble Maxwell 7 Technology
• Dual-antenna inputs for precise heading calculation
• 336 Channels for multi-constellation GNSS support
• OmniSTAR/RTX Support
• Compact design for mobile applications
• Flexible RS232, USB and Ethernet interfacing
• Centimeter level positioning accuracy
• Advanced RF Spectrum Monitoring

Dual-antenna input

The Trimble® BD992 GNSS system is a single board solution for precise position and heading. Single antenna GNSS systems have difficulty determining where the antenna is positioned relative to the vehicle and object of interest, especially when dynamics are low. External sensors can be used to augment this however these tend to drift when static. Heading derived from dual-antenna GNSS measurements overcomes these issues and is now economically the right choice.

Trimble Maxwell 7 Technology

The Trimble BD992 supports triple frequency for the GPS, GLONASS, BeiDou and Galileo constellations. As the number of satellites in the constellations grows the BD992 is ready to take advantage of the additional signals. This delivers the quickest and most reliable RTK initializations for centimeter positioning. With the latest Trimble Maxwell™ 7 Technology, the BD992 provides :

• 336 Tracking Channels
• Trimble Everest Plus multipath mitigation
• Advanced RF Spectrum Monitoring and Analysis
• Proven low-elevation tracking technology

With the option of utilizing OmniSTAR or RTX services, the BD992 delivers varying levels of performance down to centimeter-level without the use of a base station.

Robust centimeter accurate solutions

The Trimble BD992 integrates the latest in precision inertial sensors in a compact package. With the BD992 you are buying a robust navigation solution, not just a GNSS receiver. Key features include:

• High update rate position and heading solutions
• Robust Moving Baseline RTK for precision on moving platforms

Flexible interfacing

The Trimble BD992 was designed for easy integration and rugged dependability. Customers benefit from the Ethernet connectivity available on the board, allowing high speed data transfer and configuration via standard web browsers. USB, CAN and RS-232 are also supported. Just like other Trimble embedded technologies, easy to use software commands simplify integration and reduce development times

Different configurations of the module are available. These include everything from a DGPS L1 unit all the way to a four constellation triple frequency RTK unit. All features are password upgradeable, allowing functionality to be upgraded as your requirements change.

Les caractéristiques produits sont en anglais pour respecter les données du fournisseur.

Technical specifications¹

• Trimble Maxwell 7 Technology
• Position Antenna based on 336 Channel Maxwell 7 chip :
  • GPS: L1 C/A, L2E, L2C, L5
  • BeiDou: B1, B2, B3¹³
  • GLONASS: L1 C/A, L2 C/A, L3 CDMA¹⁴
  • Galileo²: E1, E5A, E5B, E5AltBOC, E6¹⁴
  • IRNSS: L5
  • QZSS: L1 C/A, L1 SAIF, L2C, L5, LEX
  • SBAS: L1 C/A, L5
  • MSS L-Band: OmniSTAR, Trimble RTX
• Vector Antenna based on second 336 Channel Maxwell 7 chip:
  • GPS: L1 C/A, L2E, L2C, L5
  • BeiDou: B1, B2, B3
  • GLONASS: L1 C/A, L2 C/A, L3 CDMA14
  • Galileo2: E1, E5A, E5B, E5AltBOC, E614
  • IRNSS: L5
  • QZSS: L1 C/A, L1 SAIF, L1C, L2C, L5, LEX
• High precision multiple correlator for GNSS pseudorange measurements
• Trimble Everest Plus multipath mitigation
• Advanced RF Spectrum Monitoring and Analysis
• Unfiltered, unsmoothed pseudorange measurements data for low noise, low multipath error, low time domain correlation and high dynamic response
• Very low noise GNSS carrier phase measurements with <1 mm precision in a 1 Hz bandwidth
• Proven Trimble low elevation tracking technology
• Reference outputs/inputs
  • CMR, CMR+, sCMRx, RTCM 2.1, 2.2, 2.3, 3.0, 3.1¹², 3.2
• Navigation outputs
  • ASCII: NMEA-0183 GSV, AVR, RMC, HDT, VGK, VHD, ROT, GGK, GGA, GSA, ZDA, VTG, GST, PJT,PJK, BPQ, GLL, GRS, GBS and Binary: Trimble GSOF, NMEA2000
• 1 Pulse Per Second Output
• Event Marker Input Support
• Supports Fault Detection & Exclusion (FDE), Receiver Autonomous Integrity Monitoring (RAIM)

Communication

• 1 USB 2.0 Device port
• 1 LAN Ethernet port:
  • Supports links to 10BaseT/100BaseT auto-negotiate networks
  • All functions are performed through a single IP address simultaneously—including web GUI access and raw data streaming
  • Network Protocols supported
    • HTTP (web GUI)
    • NTP Server
    • NMEA, GSOF, CMR over TCP/IP or UDP
    • NTripCaster, NTripServer, NTripClient
    • mDNS/uPnP Service discovery
    • Dynamic DNS
    • Email alerts
    • Network link to Google Earth
    • Support for external modems via PPP
    • RDNIS Support
• 2 x RS232 ports
  • Baud rates up to 460,800
• Control Software: HTML web browser, Internet Explorer, Firefox, Safari, Opera, Google Chrome
• 1 CAN Port

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Performance specifications

• Time to First Fix (TTFF)⁷
  • Cold Start⁸ : <45 seconds
  • Warm Start⁹ : <30 seconds
  • Signal Re-acquisition : <2 seconds
• Velocity Accuracy^{3 , 4}
  • Horizontal : 0.007 m/sec
  • Vertical : 0.020 m/sec
• Maximum Operating Limits¹⁰
  • Velocity : 515 m/sec
  • Altitude 18,000 m
• 1 CAN Port (requires addition of CAN Transceiver by customer) : +/- 11g
• RTK initialization time³ : typically <8 seconds
• RTK initialization reliability³ : >99.9%
• Position Latency⁵ : <20ms
• Maximum Position/Attitude Update Rate : 50 Hz

Physical and electrical characteristics

• Size : 100 mm x 60 mm x 11.6 mm
• Power : 3.3 V DC +5%/-3%
  Typical 1.7 W (L1/L2 GPS + L1/L2 GLONASS)
• Weight : 54 grams
• Connectors
  • I/O : 44-pin header
  • GNSS Antenna : 2 x MMCX receptacle
• Antenna LNA Power Input
  • Input voltage : 3.3 V DC to 5 V DC
  • Maximum current : 400 mA
• Minimum required LNA Gain : 32.0 dB

Environmental characteristics¹¹

• Temperature
  • Operating : –40 °C to +75 °C
  • Storage : –55 °C to +85 °C
• Vibration : MIL810F, tailored
  Random 6.2 gRMS operating
  Random 8 gRMS survival
• Mechanical shock : MIL810D
  ±40 g 10ms perating
  ±75 g 6ms survival
• Operating Humidity : 5% to 95% R.H. non-condensing, at +60 °C

¹ Trimble BD992 is available in a variety of software configurations. Specifications shown reflect full capability.
² Developed under a License of the European Union and the European Space Agency.
³ May be affected by atmospheric conditions, signal multipath, and satellite geometry. Initialization reliability is continuously monitored to ensure highest quality.
⁴ 1 sigma level, when using Trimble Zephyr 2/3 antennas, add 1 ppm to RTK Position accuracies.
⁵ At maximum output rate.
⁶ GPS only and depends on SBAS System performance. FAA WAAS accuracy specifications are <5 m 3DRMS.
⁷ Typical observed values.
⁸ No previous satellite (ephemerides / almanac) or position (approximate position or time) information.
⁹ Ephemerides and last used position known
¹⁰ As required by the U.S. Department of Commerce to comply with export licensing restrictions.
¹¹ Dependent on appropriate mounting/enclosure design.
¹² Input only network correction
¹³ There is no public GLONASS L3 CDMA. The current capability in the receivers is based on publicly available information. As such, Trimble cannot guarantee that these receivers will be fully compatible.
¹⁴ Trimble RTX and OmniSTAR accuracies depend on correction service chosen. Trimble CenterPoint RTX provides <4cm horizontal accuracy 95% of the time with initializations of less than 30 minutes.
¹⁵ Also available in configurations with RTK accuracies limited to 10 and 30 centimeters