BX960 GNSS Receiver Enclosure User Guide
Contents
1. 54 70 mm BX960 GNSS Receiver Enclosure User Guide APPENDIX D Receiver Connector Pinout Information In this appendix This appendix describes the receiver pinouts m BX960 receiver m BX960 2 receiver BX960 GNSS Receiver Enclosure User Guide 31 D Receiver Connector Pinout Information BX960 receiver GPS1 DE9 M connector Pin lis on the top left Pin Usage Pin Usage 1 Not connected 6 Not connected 2 RS 232 RX data in Master Port 2 7 RTS 3 RS 232 TX data out Master Port 2 8 CTS 4 Not connected 9 Not connected 5 GND Data Power DA26 M connector Pin 1 is on the top left Pin Usage Pin Usage 1 Notconected 14 Not connected 2 Not connected 15 Not connected 3 Not connected 16 Ethernet Receive Data RD RJ45 Pin 6 4 Not connected 17 Ethernet Transmit Data TD RJ45 Pin 2 5 Not connected 18 Not connected 6 GND 19 Not connected 7 Not connected 20 1PPS 8 Not connected 21 RS 232 RX data in Master Port 1 9 Not connected 22 Not connected 10 Not connected 23 GND 11 Not connected 24 DC Power In 9 28 V DC 12 RS 232 TX data out Master Port 1 25 Ethernet Receive Data RD RJ45 Pin 3 13 Not connected 26 Ethernet Transmit Data TD RJ45 Pin 1 32 BX960 GNSS Receiver Enclosure User Guide Receiver Connector Pinout Information BX960 2 receiver GPS1 DE9 M connector Pin lis on the top left Pin Us2. Install the BX960 receiver in a location situated in a dry environment Avoid exposure to extreme environmental conditions This includes e Water or excessive moisture e Excessive heat greater than 75 C 167 F e Excessive cold less than 40 C 38 F e Corrosive fluids and gases Avoiding these conditions improves the BX960 receivers performance and long term product reliability 12 BX960 GNSS Receiver Enclosure User Guide Installation 3 Mounting the antennas Choosing the correct location for the antenna is critical to the installation Poor or incorrect placement of the antenna can influence accuracy and reliability and may result in damage during normal operation Follow these guidelines to select the antenna location e Ifthe application is mobile place the antenna on a flat surface along the centerline of the vehicle e Choose an area with clear view to the sky above metallic objects e Avoid areas with high vibration excessive heat electrical interference and strong magnetic fields e Avoid mounting the antenna close to stays electrical cables metal masts and other antennas Avoid mounting the antenna near transmitting antennas radar arrays or satellite communication equipment Sources of electrical interference Avoid the following sources of electrical and magnetic noise e gasoline engines spark plugs e television and computer monitors e alternators and generators e electric motors e pro
3. USER GUIDE Trimble BX960 GNSS Receiver Enclosure Trimble NORTH AMERICA Trimble Engineering amp Construction Group 5475 Kellenburger Road Dayton Ohio 45424 1099 e USA 800 538 7800 Toll Free 1 937 245 5154 Phone 1 937 233 9441 Fax EUROPE Trimble GmbH Am Prime Parc 11 65479 Raunheim e GERMANY 49 6142 2100 0 Phone 49 6142 2100 550 Fax ASIA PACIFIC Trimble Navigation Singapore Pty Limited 80 Marine Parade Road 3122 06 Parkway Parade Singapore 449269 e SINGAPORE 65 6348 2212 Phone 65 6348 2232 Fax Trimble www trimble com USER GUIDE Trimble BX960 GNSS Receiver Enclosure jore Trimble Corporate Office Trimble Navigation Limited 935 Stewart Drive Sunnyvale CA 94085 USA www trimble com E mail trimble_support trimble com Legal Notices O 2008 Trimble Navigation Limited All rights reserved Trimble and the Globe amp Triangle logo are trademarks of Trimble Navigation Limited registered in the United States and in other countries CMR Maxwell and Zephyr are trademarks of Trimble Navigation Limited Microsoft Windows and Windows NT are either registered trademarks or trademarks of Microsoft Corporation in the United States and or other countries All other trademarks are the property of their respective owners Release Notice This is the April 2009 release Revision A ofthe BX960 GNSS Receiver Enclosure User Guide Product Limited Warrant
4. c o Menlo Worldwide Logistics Meerheide 45 5521 DZ Eersel NL Declaration of Conformity We Trimble Navigation Limited 935 Stewart Drive PO Box 3642 Sunnyvale CA 94088 3642 United States 1 408 481 8000 declare under sole responsibility that the product BX960 GNSS Receiver Enclosure complies with Part 15 of FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Contents 1 Introduction os saa a arar Eod RERO ECCO Ea 5 About the BX960 receiver a aa a a aa hrs 6 Related information seus km manne a Roe e BR RD 6 Technical SUpport sse pila bir ene esce egt d Ee AR e a d Rae sdh Wo nn P dedi d os 6 YOUrCOMMENUS 5 044 URB iE a ewan diea doe OR SOR ACE eR Se 4 6 2 Features and Functions 7 Receiver architecture i i wale ba od aa edn ee AB n cde a aed ha tits 8 XO caesos pean KE KAR terunt secte Purdue tite A tace T etel 224 i peter E 8 BX96022 ie an he ee REA REP PAS Scd S SA S o ee d 8 BX960 receiver features 2 ac Rx dee hoe woe UR ER Lu Dec ee Ren ae RR RC 8 BX960 2 receiver features 9 Us and car se Sock oe os OH REG wd ADS we Ee we Gale De de Hae adh a ak 10 Radio and radar signals 2 4 se uo kh oa BEM e ena ete oe y EO CR e BUR EUR RR 10 COCOM
5. e 40 C to 67 C 40 F to 149 F operating temperature range e 9Vto 28 V DC input power range with over voltage protection e Moving baseline capability BX960 GNSS Receiver Enclosure User Guide Features and Functions 5 Hz 10 Hz or 20 Hz measurement update rate RoHS compliant pulse per second 1PPS output 3 LEDs that indicate power satellite tracking and differential data DB9 DB26 and TNC antenna connectors Rugged 4 hole mounting aluminium housing BX960 2 receiver features The BX960 2 receiver provides the following features Two 72 channel L1 L2 L2C L5 GPS plus L1 L2 GLONASS receivers OmniSTAR XP HP VBS service capable SBAS compatible WAAS EGNOS MSAS Configuration and monitoring through the following methods Web interface Networked or peer to peer Ethernet Binary interface commands Choice of external GPS antenna for base station or rover operation 40 C to 67 C 40 F to 149 F operating temperature range 9 V to 28 V DC input power range with over voltage protection Moving baseline capability 5 Hz 10 Hz or 20 Hz measurement update rate RoHS compliant pulse per second 1PPS output 6 LEDs that indicate power satellite tracking and differential data 2x DB9 DB26 and 2 x TNC antenna connectors Rugged 4 hole mounting aluminium housing BX960 GNSS Receiver Enclosure User Guide 2 9 2 10 Features and Functions Use and care A CAUTION Operating
6. 2 receivers m BX960 receiver I O m BX960 2 receiver I O m Configuring the BX960 receiver to output reference station data m Configuring the BX960 or BX960 2 receiver to output rover RTK positions m Configuring the BX960 2 receiver to output heading data BX960 GNSS Receiver Enclosure User Guide 15 4 Configuring the BX960 Receiver The connectors support the following I O For more information see Receiver Connector Pinout Information page 31 BX960 receiver I O Serial port 1 Ethernet DB26 connector labeled Data Power 1PPS Serial Port 2 DB9 connector labeled GPS1 BX960 2 receiver 1 0 Serial port 1 for the master Ethernet for the master 1PPS DB26 connector labeled Data Power Serial Port 2 for the master DB9 connector labeled GPS1 Serial Port 2 for the slave DB9 connector labeled GPS2 Note Both master and slave boards are shipped from the factory with their default settings In this mode there is no communication between the two boards Configuring the BX960 receiver to output reference station data 1 Connect your computer to the DB9 port labeled GPS1 or use the provided adapter cable to connect to the DB26 port labeled Data Power 2 Doone of the following Enter a base station position using known coordinates MSController Configuration Toolbox or Web GUI software Select a Here position MSController or Web GUI software only 3 Use
7. Related information m Technical Support m Your comments CHAPTER Welcome to the BX960 GNSS Receiver Enclosure User Guide This manual describes how to set up and use the Trimble BX960 receiver enclosure The BX960 GNSS receiver enclosure is a rugged housing that holds one or two BD960 GNSS receiver modules The receiver enclosure uses advanced navigation architecture to achieve real time centimeter accuracies with minimal latencies Use this manual in conjunction with the BD960 GNSS Receiver User Guide All firmware features and software configuration utilities are documented in that manual Even if you have used other Global Positioning System GPS products before Trimble recommends that you spend some time reading this manual to learn about the special features of this product If you are not familiar with GPS visit the Trimble website www trimble com for an interactive look at Trimble and GPS BX960 GNSS Receiver Enclosure User Guide 5 1 6 Introduction About the BX960 receiver The BX960 receiver enclosure allows OEM and system integrator customers to rapidly integrate high accuracy GNSS into their applications The single board BX960 is ideal as either a base station or a rover The two board model the BX960 2 is suited for applications that require precise heading in addition to positions The BX960 receiver provides reliable operation in all environments and a positioning interface to an office compu
8. Sp cifications s oo iuge dos dee ee ah dog x x Oe acd deos cedo ob de ds hae 21 Communication specifications 21 A Upgrading the Receiver Firmware 23 The WinFlash utility sas a ea sedo all dde abat e ed bon d d e dat 24 BD960 GNSS Receiver Module User Guide 3 4 Installing the WinFlash utility ka ue deo dede n pe e ok bebe d 24 Upgrading the receiver firmware 25 Troubleshooting aa a AAA aaa aaa 27 RECEIVE ISSU CS es huc ne gene ate ee ee aa hoe tV RA ne wheat a ah Sg nag a wae RN 28 DISWINGS sopa ajan ar nag rrr 29 Plan View sos a Be NUR E D NAGIS a mu a Cobo MERA BG VU e 30 np 6 oan dns ee hoa hh de ms Oka i ow eTa ENG onda eee ede 30 Receiver Connector Pinout Information 31 BX960 receiver i eee aa an A RR ERE aS ee ee A IUS RR i A 32 GPS1 DE9 M connector 32 Data Power DA26 M connector 32 BX960 2TECCIVERS 2a rack e e don ie Bean tou e De je ER RR e dO a ro saa a ji 33 GPS1 DE9 M connector 33 GPS2 DE9 M Connector situe a a xd Geb ede ed ber do e 33 Data Power DA26 M connector 34 Master Porta LX ine suce RUP Baie UE ed an eRe ea als 34 E UTIM ga 35 BD960 GNSS Receiver Module User Guide Introduction m About the BX960 receiver m
9. baud rates between reference and rover See the issue The base station receiver is not broadcasting above Connect to the rover receiver radio and make sure that it has the same setting as the reference receiver Incorrect port settings between roving external radio and receiver If the radio is receiving data and the receiver is not getting radio communications check that the port settings are correct The receiver isnot The GPS antenna cable is receiving satellite loose signals The cable is damaged Make sure that the GPS antenna cable is tightly seated in the GPS antenna connection on the GPS antenna Check the cable for any signs of damage A damaged cable can inhibit signal detection from the antenna at the receiver The GPS antenna is not in clear line of sight to the sky Make sure that the GPS antenna is located with a clear view of the sky Restart the receiver as a last resort turn off and then turn it on again 28 BX960 GNSS Receiver Enclosure User Guide Drawings In this appendix m Plan view m Edge view APPENDIX The drawings in this appendix show the dimensions of the receiver Refer to these drawings if you need to build mounting brackets and housings for the receiver BX960 GNSS Receiver Enclosure User Guide 29 C 30 Drawings Plan view 261 00 mm Radius 3 38 mm 23 70 mm 16 94 mm 0 0 9 52mm Connectors 248 54 mm Edge view
10. covariance datum deep discharge DGPS Pulse per second Used in hardware timing A pulse is generated in conjunction with a time stamp This defines the instant when the time stamp is applicable A file that contains orbit information on all the satellites clock corrections and atmospheric delay parameters The almanac is transmitted by a GPS satellite to a GPS receiver where it facilitates rapid acquisition of GPS signals when you start collecting data or when you have lost track of satellites and are trying to regain GPS signals The orbit information is a subset ofthe emphemeris ephemerides data Also called reference station A base station in construction is a receiver placed at a known point on ajob site that tracks the same satellites as an RTK rover and provides a real time differential correction message stream through radio to the rover to obtain centimeter level positions on a continuous real time basis A base station can also be a part of a virtual reference station network or a location at which GPS observations are collected over a period of time for subsequent postprocessing to obtain the most accurate position for the location A radio wave having at least one characteristic such as frequency amplitude or phase that can be varied from a known reference value by modulation The frequency ofthe unmodulated fundamental output of a radio transmitter The GPS L1 carrier frequency is 1575 42 MHz Is the cumul
11. or storing the receiver outside the specified temperature range can damage it For more information see Chapter 5 Specifications Always mount the BD960 receiver in a suitable casing Radio and radar signals COCOM High power signals from a nearby radio or radar transmitter can overwhelm the BD960 receiver circuits This does not harm the instrument but it can prevent the receiver electronics from functioning correctly Avoid using the receiver within 400 m of powerful radar television or other transmitters Low power transmitters such as those used in portable phones and walkie talkies normally do not interfere with the operation of the receivers limits The U S Department of Commerce requires that all exportable GPS products contain performance limitations so that they cannot be used in a manner that could threaten the security of the United States The following limitations are implemented on this product Immediate access to satellite measurements and navigation results is disabled when the receiver velocity is computed to be greater than 1 000 knots or its altitude is computed to be above 18 000 meters The receiver GPS subsystem resets until the COCOM situation clears As a result all logging and stream configurations stop until the GPS subsystem is cleared BX960 GNSS Receiver Enclosure User Guide Installation In this chapter Unpacking and inspecting the shipment Supported antennas Installation guidelines Mo
12. yield would be decreased by the vertical component of the PDOP for example if you are collecting data under canopy The primary L band carrier used by GPS and GLONASS satellites to transmit satellite data The secondary L band carrier used by GPS and GLONASS satellites to transmit satellite data A modernized code that allows significantly better ability to track the L2 frequency The third L band carrier used by GPS satellites to transmit satellite data L5 will provide a higher power level than the other carriers As a result acquiring and tracking weak signals will be easier Moving Base is an RTK positioning technique in which both reference and rover receivers are mobile Corrections are sent from a base receiver to a rover receiver and the resultant baseline vector has centimeter level accuracy MTSAT Satellite Based Augmentation System A satellite based augmentation system SBAS that provides a free to air differential correction service for GPS MSAS is the Japanese equivalent of WAAS which is available in the United States Interference similar to ghosts on an analog television screen that occurs when GPS signals arrive at an antenna having traversed different paths The signal traversing the longer path yields a larger pseudorange estimate and increases the error Multiple paths can arise from reflections off the ground or off structures near the antenna National Marine Electronics Association NMEA 0183
13. S refer to the FAA website at http gps faa gov The EGNOS service is the European equivalent and MSAS is the Japanese equivalent of WAAS World Geodetic System 1984 Since January 1987 WGS 84 has superseded WGS 72 as the datum used by GPS The WGS 84 datum is based on the ellipsoid ofthe same name BX960 GNSS Receiver Enclosure User Guide 39 Glossary 40 BX960 GNSS Receiver Enclosure User Guide
14. The GPS receiver is supplied with the latest version ofthe receiver firmware already installed If a later version of the firmware becomes available use the WinFlash utility to upgrade the firmware on your receiver Firmware updates are available to download from the Trimble website Go to www trimble com support shtml and select the link to the receiver that you need updates for and then click Downloads BX960 GNSS Receiver Enclosure User Guide 23 A 24 Upgrading the Receiver Firmware The WinFlash utility The WinFlash utility communicates with Trimble products to perform various functions including e installing software firmware and option upgrades e running diagnostics for example retrieving configuration information e configuring radios For more information online help is also available when using the WinFlash utility Note The WinFlash utility runs on Windows 95 98 Windows NT 2000 Me or XP operating systems Installing the WinFlash utility You can install the WinFlash utility from the 7rimble SPS GPS Receiver CD or from the Trimble website To install the WinFlash utility from the CD 1 Insert the disk into the CD drive on your computer 2 Fromthe main menu select nstall individual software packages 3 Select Install WinFlash 4 Follow the on screen instructions The WinFlash utility guides you through the firmware upgrade process as described below For more information refer to the WinFlas
15. age Pin Usage 1 Not connected 6 Not connected 2 RS 232 RX data in Master Port 2 7 RTS 3 RS 232 TX data out Master Port 2 8 CTS 4 Not connected 9 Not connected 5 GND GPS2 DE9 M connector Pin lis on the top left Pin Usage Pin Usage 1 Not connected 6 Not connected 2 RS 232 RX data in Slave Port 2 7 RTS 3 RS 232 TX data out Slave Port 2 8 CTS 4 Not connected 9 Not connected 5 GND BX960 GNSS Receiver Enclosure User Guide 33 D Receiver Connector Pinout Information Data Power DA26 M connector Pin 1 is on the top left Pin Usage 1 Not connected 2 Not connected 3 Not connected 4 Not connected 5 Not connected 6 GND 7 Not connected 8 Not connected 9 Not connected 10 Not connected 11 Not connected 12 RS 232 TX data out Master Port 1 13 Not connected Pin 14 15 16 17 18 19 20 21 22 23 24 25 26 Usage Not connected Not connected Ethernet Receive Data RD RJ45 Pin 6 Ethernet Transmit Data TD RJ45 Pin 2 Not connected Not connected 1PPS RS 232 RX data in Master Port 1 Not connected GND DC Power In 9 28 V DC Ethernet Receive Data RD RJ45 Pin 3 Ethernet Transmit Data TD RJ45 Pin 1 Master Port 3 TX line Internally the Master Port 3 TX line is connected to the Slave Port 3 RX line 34 BX960 GNSS Receiver Enclosure User Guide Glossary 1PPS almanac base station carrier carrier frequency carrier phase cellular modems CMR CMR
16. ative phase count ofthe GPS or GLONASS carrier signal at a given time A wireless adaptor that connects a laptop computer to a cellular phone system for data transfer Cellular modems which contain their own antennas plug into a PC Card slot or into the USB port of the computer and are available for a variety of wireless data services such as GPRS Compact Measurement Record A real time message format developed by Trimble for broadcasting corrections to other Trimble receivers CMR is a more efficient alternative to RTCM A statistical measure of the variance of two random variables that are observed or measured in the same mean time period This measure is equal to the product of the deviations of corresponding values of the two variables from their respective means Also called geodetic datum A mathematical model designed to best fit the geoid defined by the relationship between an ellipsoid and a point on the topographic surface established as the origin of the datum World geodetic datums are typically defined by the size and shape of an ellipsoid and the relationship between the center of the ellipsoid and the center of the earth Because the earth is not a perfect ellipsoid any single datum will provide a better model in some locations than in others Therefore various datums have been established to suit particular regions For example maps in Europe are often based on the European datum of 1950 ED 50 Maps in the United Stat
17. bject to anomalies such as multipath obstructions satellite geometry and atmospheric conditions Always follow recommended practices 2 Depends on WAAS EGNOS and MSAS system performance 3 May be affected by atmospheric conditions signal multipath and satellite geometry Initialization reliability is continuously monitored to ensure highest quality Electrical specifications Feature Specification Power 9 V to 28 V DC external power input with over voltage protection Power consumption Maximum 8 8 W BX960 2 Communication specifications Feature Specification Communications 1 LAN port e Supports links to 10BaseT 100BaseT networks All functions are performed through a single IP address simultaneously including web GUI access and data streaming RS232 ports Baud rates up to 115 200 e BX960 receiver two RS232 ports e BX960 2 receiver three RS232 ports Receiver position update 1 Hz 2 Hz 5 Hz 10 Hz and 20 Hz positioning rate Correction data input CMR CMR RTCM 2 0 select RTCM 2 1 RTCM 2 1 2 3 RTCM 3 0 Correction data output CMR CMR RTCM 2 0 DGPS select RTCM 2 1 RTCM 2 1 2 3 RTCM 3 0 Data outputs 1PPS NMEA Binary GSOF ASCII Time Tags BX960 GNSS Receiver Enclosure User Guide 21 5 Specifications 22 BX960 GNSS Receiver Enclosure User Guide APPENDIX Upgrading the Receiver Firmware In this appendix m The WinFlash utility m Upgrading the receiver firmware
18. ct power and an antenna to create a complete GNSS system Three LEDs indicate power differential corrections and satellite tracking status Access to serial Ethernet and 1PPS is available through DB connectors BX960 2 When computing offsets from the antenna to the point of interest or providing consistent vehicle orientation heading information is critical The BX960 2 receiver enclosure contains two BD960 GNSS receivers and so can provide that heading information The technique of Moving Base RTK provides an accurate vector between the two boards CMR corrections from the master to slave board are routed inside the receiver on a serial port The Moving Base RTK vector outputs can be sent in ASCII or binary format through the slave board DB9 serial port An additional DB9 connector antenna connector and three more LEDs are installed on the BX960 2 enclosure BX960 receiver features The BX960 receiver provides the following features e 72 channel L1 L2 L2C L5 GPS plus L1 L2 GLONASS receiver e OmniSTAR XP HP VBS service capable e SBAS Satellite Based Augmentation System compatible WAAS Wide Area Augmentation System EGNOS European Geo Stationary Navigation System MSAS MTSAT Satellite Based Augmentation System e Configuration and monitoring through the following methods Web interface Networked or peer to peer Ethernet Binary interface commands e Choice of external GPS antenna for base station or rover operation
19. defines the standard for interfacing marine electronic navigational devices This standard defines a number of strings referred to as NMEA strings that contain navigational details such as positions Most Trimble GPS receivers can output positions as NMEA strings The OmniSTAR HP XP service allows the use of new generation dual frequency receivers with the OmniSTAR service The HP XP service does not rely on local reference stations for its signal but utilizes a global satellite monitoring network Additionally while most current dual frequency GPS systems are accurate to within a meter or so OmniSTAR with XP is accurate in 3D to better than 30 cm Position Dilution of Precision PDOP is a DOP value that indicates the accuracy of three dimensional measurements Other DOP values include VDOP vertical DOP and HDOP Horizontal Dilution of Precision Using a maximum PDOP value is ideal for situations where both vertical and horizontal precision are important BX960 GNSS Receiver Enclosure User Guide 37 Glossary real time differential GPS rover RTCM RTK SBAS signal to noise ratio skyplot SNR triple frequency GPS UTC Also known as real time differential correction or DGPS Real time differential GPS is the process of correcting GPS data as you collect it Corrections are calculated at a base station and then sent to the receiver through a radio link As the rover receives the position it applies the corrections to give
20. es are often based on the North American datum of 1927 NAD 27 or 1983 NAD 83 All GPS coordinates are based on the WGS 84 datum surface Withdrawal of all electrical energy to the end point voltage before the cell or battery is recharged See real time differential GPS BX960 GNSS Receiver Enclosure User Guide 35 Glossary differential correction differential GPS DOP dual frequency GPS EGNOS elevation mask ellipsoid emphemeris ephemerides epoch feature firmware GLONASS GNSS Differential correction is the process of correcting GPS data collected on a rover with data collected simultaneously at a base station Because the base station is on a known location any errors in data collected at the base station can be measured and the necessary corrections applied to the rover data Differential correction can be done in real time or after the data has been collected See real time differential GPS Dilution of Precision A measure ofthe quality of GPS positions based on the geometry ofthe satellites used to compute the positions When satellites are widely spaced relative to each other the DOP value is lower and position accuracy is greater When satellites are close together in the sky the DOP is higher and GPS positions may contain a greater level of error PDOP Position DOP indicates the three dimensional geometry ofthe satellites Other DOP values include HDOP Horizontal DOP and VDOP Ver
21. g to the measurement type for real time measurement it is set at one second for postprocessed measurement it can be set to a rate of between one second and one minute For example if data is measured every 15 seconds loading data using 30 second epochs means loading every alternate measurement A feature is a physical object or event that has a location in the real world which you want to collect position and or descriptive information attributes about Features can be classified as surface or non surface features and again as points lines breaklines or boundaries areas The program inside the receiver that controls receiver operations and hardware Global Orbiting Navigation Satellite System GLONASS is a Soviet space based navigation system comparable to the American GPS system The operational system consists of 21 operational and 3 non operational satellites in 3 orbit planes Global Navigation Satellite System 36 BX960 GNSS Receiver Enclosure User Guide GSOF HDOP L1 L2 L2C L5 Moving Base MSAS multipath NMEA OmniSTAR PDOP Glossary General Serial Output Format A Trimble proprietary message format Horizontal Dilution of Precision HDOP is a DOP value that indicates the accuracy of horizontal measurements Other DOP values include VDOP vertical DOP and PDOP Position DOP Using a maximum HDOP is ideal for situations where vertical precision is not particularly important and your position
22. h Help BX960 GNSS Receiver Enclosure User Guide Upgrading the Receiver Firmware A Upgrading the receiver firmware l 2 3 10 LE Start the WinFlash utility The Device Configuration screen appears From the Device type list select your receiver From the PC serial port field select the serial COM port on the computer that the receiver is connected to Click Next The Operation Selection screen appears The Operations list shows all of the supported operations for the selected device A description of the selected operation is shown in the Description field Select Load GPS software and then click Next The GPS Software Selection window appears This screen prompts you to select the software that you want to install on the receiver From the Available Software list select the latest version and then click Next The Settings Review window appears This screen prompts you to connect the receiver suggests a connection method and then lists the receiver configuration and selected operation If all is correct click Finish Based on the selections shown above the Software Upgrade window appears and shows the status of the operation for example Establishing communication with your receiver Please wait Click OK The Software Upgrade window appears again and states that the operation was completed successfully To select another operation click Menu to quit click Exit If you click Exit the sys
23. itioning 3D SBAS WAAS EGNOS MSAS Horizontal accuracy Vertical accuracy OmniSTAR positioning VBS service accuracy XP service accuracy HP service accuracy Specification e Advanced Trimble Maxwell Custom Survey GNSS technology e High precision multiple correlator for GNSS pseudorange measurements e Unfiltered unsmoothed pseudorange measurements data for low noise low multipath error low time domain correlation and high dynamic response e Very low receiver noise GNSS carrier phase measurements with lt 1 mm precision in a 1 Hz bandwidth e Signal to Noise ratios reported in dBHz e 72 Channels GPS L1 C A Code L2C L1 L2 L51 Full Cycle Carrier GLONASS L1 CA Code L1 P Code L2 C A2 L2 P Code 4 additional channels for SBAS WAAS EGNOS and MSAS support L Band OmniSTAR VBS HP and XP e The BX960 2 receiver contains an additional 72 channel receiver that is configured for heading only Typically 1 m Typically 1 m Typically 5 m Horizontal lt 1 m Horizontal 20 cm Vertical 30 cm Horizontal 10 cm Vertical 15 cm 20 BX960 GNSS Receiver Enclosure User Guide Specifications 5 Feature Specification RTK positioning Horizontal accuracy 10 mm 1 ppm RMS Vertical accuracy 20 mm 1 ppm RMS Initialization time Typically 10 seconds Initialization reliability Typically gt 99 9 Ace a A SG c Lau I a ae CAR musma tage late meta me catalan Ca Aaa Ul Accuracy and reliability may be su
24. limits suo Ave Ve wen eo ae Y dope ds ue E ud 10 3 a AA 11 Unpacking and inspecting the shipment 12 Shipment carton contents 12 Reporting shipping problems 12 Supported antenas ss is ii ture nan n a an ER RUE HOS on cn eS 12 Installation guidelines ssas omite a ce name oho go d bases debit 12 Considering environmental conditions 12 Mounting the antennas x secto ee a uh RR c T 13 Sources of electrical interference 13 Connections 4 4045 4 eo a Rae Pewee game ma Poe EL dose 14 Routing and connecting the antenna Cable 14 4 Configuring the BX960 Receiver 15 BX960 receiver 1 0 v ch Ba a tet ees Rd aa E CERE 16 BX960 2 receiver 1 04 V dax se du Sev aces bare A he a US E ADR ew NE ee 16 Configuring the BX960 receiver to output reference station data o oooo o 16 Configuring the BX960 or BX960 2 receiver to output rover RTK positions 17 Configuring the BX960 2 receiver to output heading data 17 For more information sesser crs Vrs ew ex ed EU EEG a eR E ESL Aer 17 5 IPCC a ss seit ud gan A RARE e e E a a 19 Physical specifications Ire e ue Re ee mn ee 20 Performance specifications 20 Electrical
25. nt under Federal Communications Commission rules Canada This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe B est conforme la norme NMB 003 du Canada This apparatus complies with Canadian RSS GEN RSS 310 RSS 210 and RSS 119 Cet appareil est conforme la norme CNR GEN CNR 310 CNR 210 et CNR 119 du Canada Europe This product the BX960 GNSS Receiver Enclosure is intended to be used in all EU member countries Norway C and Switzerland This product has been tested and found to comply with the requirements for a Class B device pursuant to European Council Directive 89 336 EEC on EMC thereby satisfying the requirements for CE Marking and sale within the European Economic Area EEA 2 BX960 GNSS Receiver Enclosure User Guide Notice to Our European Union Customers Directive 1999 5 EC Hereby Trimble Navigation declares that the BX960 GNSS receiver enclosure is in compliance with the essential requirements and other relevant provisions of Directive 1999 5 EC Waste Electrical and Electronic Equipment WEEE For product recycling instructions and more information please go to www trimble com ev shtml Recycling in Europe To recycle Trimble WEEE Waste Electrical and Electronic Equipment products that run on electrical power Call 31 497 53 24 30 and ask for the WEEE Associate Or mail a request for recycling instructions to Trimble Europe BV
26. peller shafts e equipment with DC to AC converters e fluorescent lights e switching power supplies BX960 GNSS Receiver Enclosure User Guide 13 3 Installation Connections The following figure shows a typical setup for the BX960 2 receiver Zephyr antennas iver enclosure BX960 2 rece Power The computer connection provides a means to set up and configure the receiver Routing and connecting the antenna cable Mount the antenna and then route the antenna cable from the GPS antenna to the receiver as shown above Avoid the following hazards when routing the antenna cable e Sharp ends or kinks in the cable e Hot surfaces such as exhaust manifolds or stacks e Rotating or reciprocating equipment e Sharp or abrasive surfaces e Door and window jams e Corrosive fluids or gases After routing the cable connect it to the BX960 receiver Use tie wraps to secure the cable at several points along the route For example to provide strain relief for the antenna cable connection use a tie wrap to secure the cable near the base ofthe antenna Note When securing the cable start at the antenna and work towards the BX960 receiver When the cable is secured coil any slack Secure the coil with a tie wrap and tuck it in a safe place 14 BX960 GNSS Receiver Enclosure User Guide CHAPTER Configuring the BX960 Receiver In this chapter This chapter describes how to configure the BX960 and BX960
27. roller or Configuration Toolbox software to enable either ASCII messages NMEA AVR or VHD or Binary Report Packet 40h Type 27 record messages from serial port 2 For more information For more advanced information on how to configure the receivers inside the BX960 receiver enclosure refer to the BD960 GNSS Receiver User Guide BX960 GNSS Receiver Enclosure User Guide 17 4 Configuring the BX960 Receiver 18 BX960 GNSS Receiver Enclosure User Guide CHAPTER Specifications In this chapter This chapter details the specifications for the EM receiver enclosure Physical specifications Specifications are subject to change without Performance specifications notice m Electrical specifications Communication specifications BX960 GNSS Receiver Enclosure User Guide 19 5 Specifications Physical specifications Feature Specification Dimensions L x W x H Temperature Operating Storage Vibration Mechanical shock 1 0 Connector Antenna Connector 261 mm x 140 mm x 55 mm 40 C to 67 C 40 F to 152 F 55 C to 85 C 40 F to 176 F MIL810F tailored Random 6 2 gRMS operating Random 8 gRMS survival MIL810D 40 g operating x75 g survival D sub DE9 and DA26 The BX960 2 receiver has an additional DE9 connector TNC The BX960 2 receiver has an additional TNC connector Performance specifications Feature Measurements Code differential GPS pos
28. tem prompts you to confirm Click OK If you are upgrading a BX960 2 receiver repeat Step 1 through Step 10 with the computer connected to the receiver GPS2 connector BX960 GNSS Receiver Enclosure User Guide 25 A Upgrading the Receiver Firmware 26 BX960 GNSS Receiver Enclosure User Guide APPENDIX Troubleshooting In this appendix Use this appendix to identify and solve common problems that may occur with the receiver W Receiver issues Please read this section before you contact Technical Support BX960 GNSS Receiver Enclosure User Guide 27 B Troubleshooting Receiver issues This section describes some possible receiver issues possible causes and how to solve them Issue Possible cause Solution The receiver does External power is too not turn on low Check that the input voltage is within limits The base station Port settings between receiver is not reference receiver and broadcasting radio are incorrect Check the settings on the radio and the receiver Faulty cable between receiver and radio Try a different cable Examine the ports for missing pins Use a multimeter to check pinouts No power to radio If the radio has its own power supply check the charge and connections Examine the ports for missing pins Use a multimeter to check pinouts Rover receiver is The base station receiver not receiving is not broadcasting radio Incorrect over air
29. ter external processing device or control system You can control the receiver through a serial or Ethernet port using binary interface commands or web GUI Both receivers are packaged with an AC to DC power supply and a DB26 to DB9 RJ45 power cable Related information The web browser interface includes help screens to assist you to quickly find the information you need Technical Support If you have a problem and cannot find the information you need in the product documentation contact your local dealer Alternatively go to the Support area of the Trimble website www trimble com support shtml and then select the product that you need information on Product updates documentation and any support issues are available for download If you need to contact Trimble technical support complete the online inquiry form at www trimble com support form asp Your comments Your feedback about the supporting documentation helps us to improve it with each revision Email your comments to ReaderFeedback trimble com BX960 GNSS Receiver Enclosure User Guide CHAPTER Features and Functions In this chapter Receiver architecture BX960 receiver features BX960 2 receiver features Use and care Radio and radar signals COCOM limits BX960 GNSS Receiver Enclosure User Guide 7 2 8 Features and Functions Receiver architecture BX960 The BX960 receiver provides an enclosure for a single BD960 GNSS receiver Simply conne
30. the MSController Configuration Toolbox or Web GUI software to enable CMR or RTCM outputs from serial port 1 or 2 16 BX960 GNSS Receiver Enclosure User Guide Configuring the BX960 Receiver 4 Configuring the BX960 or BX960 2 receiver to output rover RTK positions l Supply differential data to either the DB9 port labeled GPS1 or the DB26 port labeled Data Power If there is an antenna attached the differential data middle LED on receiver 1 lights up This shows that you are receiving valid differential data It does not show that you are computing a fixed solution Connect your computer to the DB9 port labeled GPS1 or use the provided cable to connect to the DB26 port labeled Data Power Use the MSController or Web GUI software to make sure that you are computing fixed solutions Use the MSController Configuration Toolbox or Web GUI software to enable the required ASCII NMEA or Binary Data Collector Format Report Packets massages from serial port 1 or 2 Configuring the BX960 2 receiver to output heading data L Connect your computer to the DB9 port labeled GPS1 or use the provided adapter cable to connect to the DB26 port labeled Data Power Use the MSController Configuration Toolbox or Web GUI software to enable CMR outputs at 10 Hz on port 3 If there is an antenna attached the differential data middle LED on receiver 2 lights up Connect your computer to the DB9 port labeled GPS2 Use the MSCont
31. tical DOP which indicate the accuracy of horizontal measurements latitude and longitude and vertical measurements respectively PDOP is related to HDOP and VDOP as follows PDOP HDOP VDOP A type of receiver that uses both L1 and L2 signals from GPS satellites A dual frequency receiver can compute more precise position fixes over longer distances and under more adverse conditions because it compensates for ionospheric delays European Geostationary Navigation Overlay Service A satellite based augmentation system SBAS that provides a free to air differential correction service for GPS EGNOS is the European equivalent of WAAS which is available in the United States The angle below which the receiver will not track satellites Normally set to 10 degrees to avoid interference problems caused by buildings and trees atmospheric issues and multipath errors An ellipsoid is the three dimensional shape that is used as the basis for mathematically modeling the earth s surface The ellipsoid is defined by the lengths of the minor and major axes The earth s minor axis is the polar axis and the major axis is the equatorial axis A list of predicted accurate positions or locations of satellites as a function of time A set of numerical parameters that can be used to determine a satellites position Available as broadcast ephemeris or as postprocessed precise ephemeris The measurement interval of a GPS receiver The epoch varies accordin
32. tionary satellites SNR The signal strength of a satellite is a measure of the information content of the signal relative to the signal s noise The typical SNR ofa satellite at 30 elevation is between 47 and 50 dBHz The satellite skyplot confirms reception of a differentially corrected GPS signal and displays the number of satellites tracked by the GPS receiver as well as their relative positions See signal to noise ratio A type of receiver that uses three carrier phase measurements L1 L2 and L5 Universal Time Coordinated A time standard based on local solar mean time at the Greenwich meridian 38 BX960 GNSS Receiver Enclosure User Guide WAAS WGS 84 Glossary Wide Area Augmentation System WAAS was established by the Federal Aviation Administration FAA for flight and approach navigation for civil aviation WAAS improves the accuracy and availability ofthe basic GPS signals over its coverage area which includes the continental United States and outlying parts of Canada and Mexico The WAAS system provides correction data for visible satellites Corrections are computed from ground station observations and then uploaded to two geostationary satellites This data is then broadcast on the L1 frequency and is tracked using a channel on the GPS receiver exactly like a GPS satellite Use WAAS when other correction sources are unavailable to obtain greater accuracy than autonomous positions For more information on WAA
33. unting the antennas Connections Routing and connecting the antenna cable CHAPTER Trimble recommends that you read this section before you install the BX960 receiver BX960 GNSS Receiver Enclosure User Guide 11 3 Installation Unpacking and inspecting the shipment Visually inspect the shipping cartons for any signs of damage or mishandling before unpacking the receiver Immediately report any damage to the shipping carrier Shipment carton contents The shipment will include one or more cartons This depends on the number of optional accessories ordered Open the shipping cartons and make sure that all of the components indicated on the bill of lading are present Reporting shipping problems Report any problems discovered after you unpack the shipping cartons to both Trimble Customer Support and the shipping carrier Supported antennas The BD960 receiver tracks six different GNSS frequencies The Trimble Zephyr II antenna supports all these frequencies Other antennas may be used However ensure that the antenna you choose supports the frequencies you need to track and operates at either 3 3 V or 7 1 V with a greater than 40 dB signal at the board antenna port Installation guidelines The BX960 receiver is designed to be mounted on a flat surface in any orientation The bottom of the receiver features mounting flanges and four slotted holes for securing to a flat surface Considering environmental conditions
34. y Information For applicable product Limited Warranty information please refer o the Limited Warranty Card included with this Trimble product or consult your local Trimble authorized dealer Notices Class B Statement Notice to Users This equipment has been ested and found to comply with the limits for a Class B digital device pursuant to Part 15 ofthe FCC rules and Part 90 These imits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communication However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning he equipment off and on the user is encouraged to try to correct he interference by one or more ofthe following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Changes and modifications not expressly approved by the manufacturer or registrant of this equipment can void your authority to operate this equipme
35. you a very accurate position in the field Most real time differential correction methods apply corrections to code phase positions While DGPS is a generic term its common interpretation is that it entails the use of single frequency code phase data sent from a GPS base station to a rover GPS receiver to provide sub meter position accuracy The rover receiver can be at a long range greater than 100 kms 62 miles from the base station A rover is any mobile GPS receiver that is used to collect or update data in the field typically at an unknown location Radio Technical Commission for Maritime Services A commission established to define a differential data link for the real time differential correction of roving GPS receivers There are three versions of RTCM correction messages All Trimble GPS receivers use Version 2 protocol for single frequency DGPS type corrections Carrier phase corrections are available on Version 2 or on the newer Version 3 RTCM protocol which is available on certain Trimble dual frequency receivers The Version 3 RTCM protocol is more compact but is not as widely supported as Version 2 real time kinematic A real time differential GPS method that uses carrier phase measurements for greater accuracy Satellite Based Augmentation System SBAS is based on differential GPS but applies to wide area WAAS EGNOS and MSAS networks of reference stations Corrections and additional information are broadcast via geosta
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