Benutzeranleitung / Produktwartung 132 des Produzenten Trimble Outdoors
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V ersion 1.73 Revision A Part Number 50979-00-ENG December 2003 DSM™ 132/132RS Receiver User Guide.
Contact Information Trimble Construction Instruments Division 5475 Kellenbur ger Road Dayton, Ohio 45 424-1099 USA 800-538-7800 (toll free in USA) +1-937-233-8921 Phone +1-937-233-9004 Fax www .trimble.com Copyright and T rademarks © 1999-2003, Trimble Navigation Limited.
DO NOT ALLOW LIMITATIONS ON DURATION OR THE EXCLUSION OF AN IMPLIED WARRANTY , SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU . TRIMBLE NAVIGATION LIMI TED IS NOT RESPONSIBLE FOR TH E OPERATION OR FAILURE OF OPERATION OF GPS SATELLITES OR THE AVAILABIL ITY OF GPS SATELLITE SIGNAL S .
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DSM 132/132RS Receiver User Guide v Content s 1 Welcome . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 Related Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 T echnical Assistance . . . . . . . . . . . . . . . . . .
Contents vi DSM 132/132RS Receiver User Guide The receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 The antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Environmental conditions . . . . . . . . . . . . . . . . .
Contents DSM 132/132RS Receiver User Guide vii OmniST AR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Thales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 W AAS/EGNOS . . . . . . . . . . . . . . . . . . . . . . .
Contents viii DSM 132/132RS Receiver User Guide B Cables and Connectors . . . . . . . . . . . . . . . . . . . 97 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 Port A and Port B Connectors . . . . . . . . . . . . . .
Contents DSM 132/132RS Receiver User Guide ix P TNLSM Proprietary (R TCM Special) . . . . . . . . . . . . . . . . . . 125 D Navigation Map s . . . . . . . . . . . . . . . . . . . . . . 127 DSM132 Menu System . . . . . . . . . . . . . . . . . . . . . .
Contents x DSM 132/132RS Receiver User Guide.
CHAPTER 1 DSM 132/132RS Receiver User Guide 11 We l c o m e 1 This manual describes how to install and configure the DSM™ 132 receiver . It provides guidelines for using the AgRemote utility to view and configure receiver DGPS and communication operating parameters.
1 Welcome 12 DSM 132/132RS Receiver User Guide 1.2 T echnical Assist ance If you have a problem and cannot find the information you need in the product documentation, cont act your local dealer . Alternatively , do one of the following: • Request technical support using the T rimble website at www .
CHAPTER 2 DSM 132/132RS Receiver User Guide 13 Overview 2 In this chapter: ■ Introduction ■ The DSM 132 Receiver ■ Differential GPS (DGPS).
2 Overview 14 DSM 132/132RS Receiver User Guide 2.1 Introduction This chapter describes the DSM 132 receiver and gives an overview of GPS, DGPS, and related information. For details of the receiver physical specifications, see Appendix E, Specifications.
DSM 132/132RS Receiver User Guide 15 Overview 2 Figure 2.1 DSM 132 receiver As part of a marine construction or survey system, the receiver provides submeter (less than 3.
2 Overview 16 DSM 132/132RS Receiver User Guide 22.1 St andard features A standard DSM 132 system provides: • 12-channel L1 1575.42 MHz (C/A code) GPS receiver with carrier phase filtering • Combi.
DSM 132/132RS Receiver User Guide 17 Overview 2 22.2 St andard Features DSM 132RS A DSM 132RS system provides all the features of the DSM 132 except: • the L1 Geodetic antenna with ground plane is supplied • the 30 meter antenna cable is supplied • the R TCM SC-104 output (base station corrections) is available 22.
2 Overview 18 DSM 132/132RS Receiver User Guide 22.4 Receiver input / output The DSM 132 standard power/data cable (PN 30945) connects to the receiver ports to supply power . It also enables the following data exchanges: • ASCII, TSIP , and R TCM input from an external device.
DSM 132/132RS Receiver User Guide 19 Overview 2 2.3 Differential GPS (DGPS) The DSM 132 receiver uses DGPS to achieve high accuracy . Y ou can have a DSM 132RS (this is called the reference or base station) located at a known point. This receiver is used to determine GPS signal measurement errors.
2 Overview 20 DSM 132/132RS Receiver User Guide 23.2 DGPS accuracy Submeter accuracy from the DSM 132 receiver utilizing differential correction is best achieved under the conditions described in T able 2.
DSM 132/132RS Receiver User Guide 21 Overview 2 23.3 Position Output Geographic data obtained from dif ferent sources must be referenced to the same datum, ellipsoid, and coordinate format. Different formats provide different coordinate values for any geographic location.
2 Overview 22 DSM 132/132RS Receiver User Guide Position Output Format The DSM 132 receiver outputs posi tions in Degrees, Minutes, and Decimal Minutes (DDD°MM.m'). This is the NMEA (National Marine Electronic Association) standard format and is commonly used worldwide for data transfer between e lectronic equipment.
DSM 132/132RS Receiver User Guide 23 Overview 2 During darkness, when the beacon tower is more than 240–480 kilometers (150–300 miles) fr om the receiver, the sky wave beacon signal may be reflected off the ionosphere. This causes interference with the ground wave beacon signal.
2 Overview 24 DSM 132/132RS Receiver User Guide 23.6 Receiving DGPS Corrections from Other Sources The DSM 132 can also receive R TCM SC-104 corrections from sources such as: • AM/FM carrier services • Y our own radio data link (from a DSM 132RS reference station) 23.
CHAPTER 3 DSM 132/132RS Receiver User Guide 25 Inst alling the Receiver 3 In this chapter: ■ System Components ■ Mounting the Receiver and Antenna ■ Routing and Connecting the Antenna Cable ■ .
3 Installing the Receiver 26 DSM 132/132RS Receiver User Guide 3.4 System Component s Check that you have received all th e appropriate components for the DSM 132 system that you have purchased.
DSM 132/132RS Receiver User Guide 27 Installing the Receiver 3 34.1 Optional extras (if ordered) 3.5 Mounting the Receiver and Antenna Mount the antenna in a clear position free from obstructions. For some short term installations you can place the antenna upright with the magnetic base on a flat metal surface.
3 Installing the Receiver 28 DSM 132/132RS Receiver User Guide • near transmitting antennas, radar arrays, or satellite communication equipment. • near areas that experience hi gh vibration, excessive h eat, electrical interference, and strong magnetic fields.
DSM 132/132RS Receiver User Guide 29 Installing the Receiver 3 30.2 Environment al conditions Although the receiver has a waterpr oof housing, you should install it in a dry location.
3 Installing the Receiver 30 DSM 132/132RS Receiver User Guide 3.1 Routing and Connecting the Antenna Cable A 15 m (50 ft) antenna cable (PN 21555) is included with the receiver .
DSM 132/132RS Receiver User Guide 31 Installing the Receiver 3 When routing the antenna cable, avoid the following hazards: • sharp objects • kinks in the cable • hot surfaces (exhaust manifolds.
3 Installing the Receiver 32 DSM 132/132RS Receiver User Guide 3.2 Connecting to an External Device After installing the receiver and antenna, connect and route the power/data cable (PN 30945). The receiver can be powered by a vehicle or by a customer-supplied 10–32 VDC power source.
DSM 132/132RS Receiver User Guide 33 Installing the Receiver 3 Plug the: • right-angle connector into the receiver • straight 9-pin connector into the external device (such as a PC running HYDROpro software). When routing the cable from the receiver to the external device, avoid the hazards listed on page 31.
3 Installing the Receiver 34 DSM 132/132RS Receiver User Guide 3.3 Laptop Computer Figure 3.4 shows how to connect the receiver power/data cable to a laptop computer .
CHAPTER 4 DSM 132/132RS Receiver User Guide 35 Getting S t arted 4 In this chapter: ■ Introduction ■ Front Panel ■ The AgRemote Menu System ■ Using AgRemote ■ Navigating the Menus and Screen.
4 Getting S tarted 36 DSM 132/132RS Receiver User Guide 4.1 Introduction This chapter describes how to set up and begin using the DSM 132 receiver. 4.2 Front Panel The DSM 132 receiver includes an integrated display and keypad for accessing the internal menu system.
DSM 132/132RS Receiver User Guide 37 Getting S tarted 4 42.1 Inst alling AgRemote AgRemote requires Microsoft ® W indows ® 95, 98, Me, W indows 2000, or XP . T o install the latest version of AgRemote: 1. Download the AgRemote software from the T rimble website ( www .
4 Getting S tarted 38 DSM 132/132RS Receiver User Guide T o use AgRemote: 1. Connect the receiver to the serial port of the office computer , as shown in Figure 4.
DSM 132/132RS Receiver User Guide 39 Getting S tarted 4 2. From the menu, select Pr ograms / AgRemote / AgRemote . 3. When the program starts, select File / Connect. AgRemote establishes communication with the receiver and displays the Home screen of the Ag GPS menu system, as shown in Figure 4.
4 Getting S tarted 40 DSM 132/132RS Receiver User Guide 4.1 The AgRemote Menu System Use the commands provided by the Ag GPS menu system to: • monitor the receiver status • change the receiver configuration This section describes the menu system and the setting display options.
DSM 132/132RS Receiver User Guide 41 Getting S tarted 4 40.1 The AgRemote keys The actions of the AgRemote keys depend on whether a menu or screen is displayed.
4 Getting S tarted 42 DSM 132/132RS Receiver User Guide 4.1 Navigating the Menus and Screens Note – Use a menu to navigate to scr eens or other menus.
DSM 132/132RS Receiver User Guide 43 Getting S tarted 4 Figure 4.4 shows the structure of a typical sub-menu, such as Display Options . Figure 4.4 T ypical menu structure Press 2 or 1 to move between screens. W ithin screens, select options, view receiver status, or enter data.
4 Getting S tarted 44 DSM 132/132RS Receiver User Guide 4.2 Menu System Fields Fields in a screen contain status information or configuration settings. Information or settings can appear in fields that are: • display-only • multiple-choice • alpha, numeric, or alphanumeric 42.
DSM 132/132RS Receiver User Guide 45 Getting S tarted 4 Examples include the two multiple-choice fields that appear in the EZ Sat DGPS Configuration screen (see Figure 4.6). These are the fields which list available satellite providers and satellite coverage beams.
4 Getting S tarted 46 DSM 132/132RS Receiver User Guide One example of a numeric field appears in the Satellite Fr eq screen. In this field, you manually enter the broadcast frequency of a satellite service provider . See Figure 4.7. Figure 4.7 Example of a numeric field 4.
DSM 132/132RS Receiver User Guide 47 Getting S tarted 4 41.1 Satellite DGPS mode In this manual, references to Satellite D GPS apply only to the DSM 132 receiver. When the receiver is in Beacon DGPS mode, a B , Beacon Searching , Beacon T racking , or Beacon FFT message appears in the lower-left corner of the screen.
4 Getting S tarted 48 DSM 132/132RS Receiver User Guide T able 4.2 explains the indicators that can appear in the Position T ype field. Note – The “/” symbol in the position type spins when the r eceiver is operating corr ectly .
DSM 132/132RS Receiver User Guide 49 Getting S tarted 4 T able 4.3 shows the possible satelli te differential mode indicators. T able 4.4 explains the signal-to-noise ratio values for both Satellite and W AAS/EGNOS DGPS modes.
4 Getting S tarted 50 DSM 132/132RS Receiver User Guide 41.3 Beacon DGPS mode When in Beacon DGPS mode, the Home screen displays “B” (Beacon DGPS) in the lower left corner . Figure 4.12 explains the status indicators that appear on the first line of the Hom e screen display when the receiver is in this mode.
DSM 132/132RS Receiver User Guide 51 Getting S tarted 4 4.2 Up dating the Firmware T o update the receiver firmware when a new version is released: 1. Download the upgrade files. 2. Install the FlashLoader100 utility . 3. Connect the receiver to an of fice computer .
4 Getting S tarted 52 DSM 132/132RS Receiver User Guide.
CHAPTER 5 DSM 132/132RS Receiver User Guide 53 Configuring the Receiver 5 In this chapter: ■ Introduction ■ Display Options ■ Configuring the Communication Ports ■ Configuring Differential GPS.
5 Configuring the Receiv er 54 DSM 132/132RS Receiver User Guide 5.1 Introduction The Display Options, Satellite Dif ferential Source, and Port Communication parameters must be specific to your particular use, so they are not preset. Y ou only need to configure the receiver once, as the settings you choose are saved to permanent memory .
DSM 132/132RS Receiver User Guide 55 Configuring the Receiver 5 Setting the language T o change the language used for display: 1. Navigate to the Language screen: 2. Press 3 to select the Language field. 3. Press 1 or 2 until the required language is displayed.
5 Configuring the Receiv er 56 DSM 132/132RS Receiver User Guide Locking the Configuration menus T o prevent unauthorized changes to the configuration, you can lock the Configuration menus: 1. Navigate to the Lock Display Cfg screen. 2. Press 4 to display the Enter Password screen.
DSM 132/132RS Receiver User Guide 57 Configuring the Receiver 5 Use the Clear BB RAM screen to remove all configuration settings in the receiver memory (RAM) and retu rn the receiver to its factory default configuration settings: T o delete battery-backed memory: 1.
5 Configuring the Receiv er 58 DSM 132/132RS Receiver User Guide The following section describes how to configure the appropriate Port A Config screens. The menu for Port B is identical. Figure 5.13 shows the menu that you use to access the configuration screens.
DSM 132/132RS Receiver User Guide 59 Configuring the Receiver 5 50.1 Configuring input / output communication Configure the Port Input/Output communication settings for communicating with other external hardware devices, and software programs. T able 5.
5 Configuring the Receiv er 60 DSM 132/132RS Receiver User Guide When setting the baud rate, note the following: • If you are using 19.2 k or 38.4 k, the input rate must match the output rate. • If Port A is operating at 19.2 k, Port B can operate at 1200, 2400, 9600, or 19.
DSM 132/132RS Receiver User Guide 61 Configuring the Receiver 5 T o select the NMEA messages for output: 1. From the Port A Config menu, press 2 un til the NMEA1 screen appears: 2. Press 3 to activate the cursor on the first NMEA message type. 3. Press 1 or 2 until the NMEA message type appears in upper case.
5 Configuring the Receiv er 62 DSM 132/132RS Receiver User Guide T o set the NMEA / TSIP message output rate: 1. From the Port A Config menu, press 2 until the Message Rate screen appears: 2. T o set the NMEA output rate, press 3 twice to place the active cursor on the second digit of the NMEA line.
DSM 132/132RS Receiver User Guide 63 Configuring the Receiver 5 Y ou can use one of these paid services as an alternative to W AAS/EGNOS. They both provide over-the-air DGPS activation. • Other source of R TCM SC-104 corrections; for example, a DSM 132RS over a radio data link.
5 Configuring the Receiv er 64 DSM 132/132RS Receiver User Guide • Thales-LandS tar at 1-888-434-7757 www .landstar-dgps.com/ Y ou will need to provide a serial number and user code: 1. Navigate to the Serial number screen. Note the serial number here: 2.
DSM 132/132RS Receiver User Guide 65 Configuring the Receiver 5 3. Press 2 until the required provider appears (Omni* or Thales). 4. Press 3 to move to the next field. 5. Press 2 until the coverage beam for your location appears. 6. Press 4 to save the changes.
5 Configuring the Receiv er 66 DSM 132/132RS Receiver User Guide If automatic activation fails, try to activate OmniST AR DGPS manually , as described below . If you cannot activate the OmniST AR differential service, contact your local T rimble Reseller .
DSM 132/132RS Receiver User Guide 67 Configuring the Receiver 5 Note – If you enter an incorr ect code, try again using the corr ect numbers. An incorr ect code has no effect on r eceiver operation. 50.1 Thales T o activate Thales DGPS: 1. Switch on the receiver and make sure it is configure d for the correct satellite coverage beam.
5 Configuring the Receiv er 68 DSM 132/132RS Receiver User Guide Thales reference st ations T o manually select a Thales network reference station: 1. From the DGPS Config screen, press 2 until the Thales S tn screen appears: 2. Press 3 to activate the cursor .
DSM 132/132RS Receiver User Guide 69 Configuring the Receiver 5 5.1 W AAS/EGNOS W AAS/EGNOS is a free satellite-based DGPS service that is available only in North America (W AAS) or Europe (EGNOS). T o use the W AAS/EGNOS DGPS signal, you must first configure the receiver .
5 Configuring the Receiv er 70 DSM 132/132RS Receiver User Guide 3. Once activation succeeds, the Home screen displays D/3D: 5.1 Configuring Beacon DGPS DSM 132 receivers are configured by default to use W AAS/EGNOS in Auto Range DGPS mode. T o change a DSM 132 receiver to Satellite DGPS mode, see page 66.
DSM 132/132RS Receiver User Guide 71 Configuring the Receiver 5 5. Press 3 to activate the cursor . Press 2 until the required beacon mode appears. See T able 5.7. 6. If you selected: – Auto Range Mode or Auto Power Mode , configuration is complete.
5 Configuring the Receiv er 72 DSM 132/132RS Receiver User Guide EZ Bcn screens The EZ Bcn 0 and EZ Bcn 1 screens use information in R TCM SC-104 broadcasts to create a list of beacon stations that are within range of the receiver . Use these screens to manually select frequencies for Beacon Channels 0 and 1: 1.
DSM 132/132RS Receiver User Guide 73 Configuring the Receiver 5 4. Press 4 to save the changes. 5. Press 3 to select the Beacon Channel 1 field. 6. Repeat step 3 to enter the other required frequency .
5 Configuring the Receiv er 74 DSM 132/132RS Receiver User Guide T o install the Base Station option: 1. Use the power/data cable to connect the receiver to the serial port on the of fice computer (this is usually COM1 or COM2). 2. On the office computer , click and then select Programs / FlashLoader100 .
DSM 132/132RS Receiver User Guide 75 Configuring the Receiver 5 8. If necessary , change the baud rate and parity to match the settings used by your base station radio.
5 Configuring the Receiv er 76 DSM 132/132RS Receiver User Guide 50.3 View location T o view the current location of the receiver antenna: 1. Navigate to the Configuration / Base Stn Config / Base Location screen: 2. Press 4 one or more times to view the current computed reference position, latitude, longitude, and altitude.
DSM 132/132RS Receiver User Guide 77 Configuring the Receiver 5 –P r e s s 1 or 2 to reject the new reference position. Press 4 to finish. 50.1 Edit base position Set the receiver antenna to a particular location. Do this when the antenna is on a survey ed location with known coordinates: 1.
5 Configuring the Receiv er 78 DSM 132/132RS Receiver User Guide 5. Press 1 or 2 to select the number of positions required to determine the average current location. 6. Press 4 . The receiver begins to average positions. 7. Do one of the following: – When all calculated positions are collected, press 4 to accept the averaged position.
DSM 132/132RS Receiver User Guide 79 Configuring the Receiver 5 3. Press 3 to activate the cursor . 4. Press 1 or 2 to change the PRC interval. 5. Press 4 to save the changes.
5 Configuring the Receiv er 80 DSM 132/132RS Receiver User Guide.
CHAPTER 6 DSM 132/132RS Receiver User Guide 81 Activating Firmware Options 6 In this chapter: ■ Introduction ■ Installing an Option ■ Using an Option.
6 Activating Firmware Options 82 DSM 132/132RS Receiver User Guide 6.1 Introduction This chapter describes how to activate and use the firmware options that you can purchase with the DSM 132 receiver (see T able 6.8). For more information, see Receiver enhancements, page 17.
DSM 132/132RS Receiver User Guide 83 Activating Firm ware Options 6 3. Press 1 or 2 to enter the first number of the password. 4. Press 3 to move to the next digit. 5. Repeat steps 3 and 4 until all numbers are entered . 6. Press 4 to save changes. The screen displays the selected option as enabled.
6 Activating Firmware Options 84 DSM 132/132RS Receiver User Guide If any password operation fails, FlashLoader100 displays a message that identifies the failed option. Disconnect the receiver , then reconnect it and try again. For more information, see FlashLoader100, page 91.
APPENDIX A DSM 132/132RS Receiver User Quide 85 T roubleshooting A In this appendix: ■ Introduction ■ Problems and Solutions ■ T roubleshooting Flowcharts.
A T roubleshooting 86 DSM 132/132RS Receiver User Quide A.1 Introduction This appendix describes some issues or problems that can occur and explains how to solve them. It also contains a series of troubleshooting flowcharts to help in prob lem solving A.
DSM 132/132RS Receiver User Quide 87 T roubleshooting A Intermittent loss of lock The receiver loses the satellite signal from time to time. Check that all cable connections are sec ure and free of moisture. If necessary , disconnect the cables and allow them to dry .
A T roubleshooting 88 DSM 132/132RS Receiver User Quide T racking but not receiving a differential signal The receiver is tracking satellites and tracking an OmniST AR or Thales satellite beam, but is not receiving DGPS signals. Y ou need to check that your DGPS service subscription is still current and enabled.
DSM 132/132RS Receiver User Quide 89 T roubleshooting A Interference Strong magnetic fields S trong magnetic fields have no effect on GPS or satellite DGPS signals. However , some computers and other electric equipment radiate electromagnetic energy that ca n interfere with a GPS receiver .
A T roubleshooting 90 DSM 132/132RS Receiver User Quide Cables One of the cables seems faulty . Use an ohmmeter to check the c able. The resistance of a good cable between connector pins at each end of the cable is ze ro. If the cable is sound, but the p roblem persists, try exchanging the cable with one that you know is working.
DSM 132/132RS Receiver User Quide 91 T roubleshooting A FlashLoader100 The FlashLoader100 upgrade utility cannot detect the receiver or download the firmware.
A T roubleshooting 92 DSM 132/132RS Receiver User Quide A.1 T roubleshooting Flowchart s This section contains flowcharts for troubleshooting the following areas: • System hardware and power • GPS.
DSM 132/132RS Receiver User Guide 93 Figure A.1 System hardware and power troubleshooting flowchart START HERE The receiver is connected and has sufficient power for operation. Is the receiver or Ag Remote screen light on? Is the data/power cab le securely connected to the receiver antenna.
94 DSM 132/132RS Receiver User Guide Figure A.2 GPS reception troubleshooting flowchart START HERE Ye s Ye s Ye s No Continue No Ye s No Is the receiver or Ag Remote screen light on? Is the screen text visib le? Check the Home screen for GPS reception.
DSM 132/132RS Receiver User Guide 95 Figure A.3 OmniST AR troubleshooting flowchart START HERE Ye s No No Ye s Ye s No Ye s Check the receiver or Ag Remote Home screen for GPS reception.
96 DSM 132/132RS Receiver User Guide Figure A.4 Thales troubleshooting flowchart START HERE Ye s No Continue Ye s Ye s Check the receiv er or Ag Remote Home screen for GPS reception.
APPENDIX B DSM 132/132RS Receiver User Guide 97 Cables and Connectors B In this chapter: ■ Introduction ■ Port A and Port B Connectors ■ S tandard Power/Dat a Cable.
B Cables and Connectors 98 DSM 132/132RS Receiver User Guide B.2 Introduction This appendix contains pin-out information for the DSM 132 receiver standard and optional cables. Use the information to troubleshoot communication problems with the r eceiver and devices not supported by the standar d and optional cables.
DSM 132/132RS Receiver User Guide 99 Cables and Connectors B B.4 St andard Power/Data Cable T able B.2 gives pin-out information for the standard power/data cable (PN 30945).
B Cables and Connectors 100 DSM 132/132RS Receiver User G uide.
APPENDIX C DSM 132/132RS Receiver User Guide 101 NMEA-0183 Messages C In this appendix: ■ Introduction ■ NMEA-0183 Message S tructure ■ NMEA Message Summary ■ GGA (GPS Fix Data) ■ GLL (Posit.
C NMEA-0183 Messages 102 DSM 132/132RS Receiver User G uide ■ PTNLID Proprietary (T rimble Receiver ID) ■ PTNLDG Proprietary (T rimble DGPS Receiver S tatus) ■ PTNL,GGK (T ime, Position, Positio.
DSM 132/132RS Receiver User Guide 103 NMEA-0183 Messages C C.5 Introduction T rimble DSM 132 receivers output NMEA (National Marine Electronic Association) messages for GPS position data transfer between electronics equipment. Information on the NMEA-0183 communication standard for GPS receivers is available at: www .
C NMEA-0183 Messages 104 DSM 132/132RS Receiver User G uide C.6 NMEA-0183 Message S tructure NMEA - 0183 messages are strings of comma-d elimited text.
DSM 132/132RS Receiver User Guide 105 NMEA-0183 Messages C T able C.3 explains the fields in the ZDA example shown in Figure C.5. Fields 5 and 6 together give the to tal offset. Local time is 5 hours and 15 minutes earlier than GMT . C6.1 Symbols and delimiters All messages follow the NMEA-0183 V ersion 2.
C NMEA-0183 Messages 106 DSM 132/132RS Receiver User G uide The checksum is calculated from all characters in the message, including commas but excluding the “$” and “*” delimiters. The hexadecimal result is converted to two ASCII characters (0–9, A–F), of which the most significant appears first.
DSM 132/132RS Receiver User Guide 107 NMEA-0183 Messages C C6.6 Latitude and longitude values The latitude and longitude values in NMEA-0183 messages are presented in degrees, minutes, and decimal minutes, in a single field: • latitude (ddmm.mmmm) • longitude (dddmm.
C NMEA-0183 Messages 108 DSM 132/132RS Receiver User G uide Messages beginning with P TNL are T rimble proprietary messages. T able C.5 NMEA message summa ry Message Message Contents GGA (GPS Fix Data.
DSM 132/132RS Receiver User Guide 109 NMEA-0183 Messages C All messages in this appendix are presented in the format shown in T able C.3. In each example, the structure is shown in the paragraph before the table. C.8 GGA (GPS Fix Dat a) The GGA message contains the time, position, and fix related data.
C NMEA-0183 Messages 11 0 DSM 132/ 132RS Receiver User Guide 5 Direction of longitude E: East W: Wes t 6 GPS Quality indicator 0: fix not vali d 1: GPS fix 2: DGPS fix 7 Number of SVs in use, 00-12 8H.
DSM 132/132RS Receiver User Guide 111 NMEA-0183 Messages C C.9 GLL (Position Dat a) The GLL message specifies the position fix, time of position fix, and status. The GLL message structure is: $GPGLL,3723.4543,N,12202.2696,W ,151933, A*3E T able C.7 describes these fields.
C NMEA-0183 Messages 11 2 DSM 132/ 132RS Receiver User Guide C.10 GRS (GPS Range Residuals) The GRS message is used to support the Receiver Autonomous Integrity Monitoring ( RAIM ). The GRS message structure is: $GPGRS,220320.0,0,-0.8,-0.2,-0.1, -0.2,0.
DSM 132/132RS Receiver User Guide 11 3 NMEA-0183 Messages C C.11 GSA (GPS DOP and Active Satellites) The GSA message identifies the GPS position fix mode, the SVs used for navigation, and the Dilutio n of Precision values. The GSA message structure is: $GPGSA,A,3,19,28,14,18,27,22,31,29,,,,, 1.
C NMEA-0183 Messages 11 4 DSM 132/ 132RS Receiver User Guide C.12 GST (GPS PRN) The GST message is used to support Receiver Autonomous Integrity Monitoring ( RAIM ). The GST message structure is: $GPGST ,220320.0,1.3,0.8, 0.5,166.1,0.8,0.5,1.6,*4F T able C.
DSM 132/132RS Receiver User Guide 11 5 NMEA-0183 Messages C C.13 GSV (GPS Satellites in V iew) The GSV message identifies the number of SVs in view , the PRN numbers, elevation, azimuth and SNR values. The GSV message structure is: $GPGSV ,4,1,13,02,02,213,,03, -3,000,,1 1,00,121,,14,13,172,05*67 T able C.
C NMEA-0183 Messages 11 6 DSM 132/ 132RS Receiver User Guide C.14 MSS (Beacon Receiver Signal St atus) The MSS message identifies the status of the beacon signal, including the beacon signal strength, beacon signal-to-noise ratio (SNR), beacon frequency , and beacon bit rate.
DSM 132/132RS Receiver User Guide 11 7 NMEA-0183 Messages C C.15 RMC (Recommended Minimu m S pecific GPS Dat a) The RMC message identifies the UTC time, status, latitude, longitude, speed over ground (SOG), date, and magnetic variation of the position fix.
C NMEA-0183 Messages 11 8 DSM 132/ 132RS Receiver User Guide 1 1 Direction of magne tic variation E: Easterly variation from True course (subtracts from T rue course) W: Westerly variation from T rue course (adds to True course) 12 Mode indication A: Autonomous D: Differential N: Data not valid T able C.
DSM 132/132RS Receiver User Guide 11 9 NMEA-0183 Messages C C.16 VTG (Course Over Ground and Ground S peed) The VTG (V elocity T rue Ground) message identifies the actual track made good and speed over ground . The VTG message structure is: $GPVTG ,0,T ,,,0.
C NMEA-0183 Messages 120 DSM 132/132RS Receiver User G uide C.17 XTE (Cross-T rack Error) The XTE message reports the cross-track error of the vessel. The XTE message structure is: $GPXTE,A,A,0.
DSM 132/132RS Receiver User Guide 121 NMEA-0183 Messages C Note – Because the contents of this NMEA message do not change significantly during a one-second in terval, the r eceiver outputs this message at a maximum rate of 1 Hz.
C NMEA-0183 Messages 122 DSM 132/132RS Receiver User G uide C.20 PTNLID Propriet ary (T rimble Receiver ID) The P TNLID message is a Trimble proprietary message for identifying the machine ID, product ID, major and minor release numbers, and firmware release date of the receiver .
DSM 132/132RS Receiver User Guide 123 NMEA-0183 Messages C C.21 PTNLDG Propriet ary (T rimble DGPS Receiver Stat u s ) The P TNLDG message is a T rimble proprietary message for identifying the DGPS re.
C NMEA-0183 Messages 124 DSM 132/132RS Receiver User G uide The P TNLDG message fields are defined in free format. The maximum number of characters in each field is indicated above (for example, 25 bps displayed as xxx,25,xxx instead of xxx,00025,xxx).
DSM 132/132RS Receiver User Guide 125 NMEA-0183 Messages C C.23 PTNLSM Propriet ary (RTCM S pecial) The P TNLSM message is a T rimble proprietary message for identifying the Reference Station ID and the ASCII T ext message that is included in an R TCM T ype 16 Specia l Message.
C NMEA-0183 Messages 126 DSM 132/132RS Receiver User G uide.
APPENDIX D DSM 132/132RS Receiver User Guide 127 Navigation Map s D In this appendix: ■ DSM132 Menu System ■ Navigation map for DSM 132 receiver — Home, Field Operations, and S tatus menu ■ Na.
D Navigation Maps 128 DSM 132/132RS Receiver User G uide D.2 4 DSM132 Menu System The figures in this appendix show the navigatio n maps for the DSM132 Menu System, an d relate to firmware version 1.7. Basic instructions for navigating through the menu system are included in Chapter 4, Getting S tarted.
DSM 132/132RS Receiver User Guide 129 Figure D.6 Navigation map for DSM 132 receiver — Home, Field Operations, and St atus menu Home Field Operations 3 Display Options 1 Contrast Lock Display Langua.
130 DSM 132/132RS Receiver User G uide Figure D.6 Navigation map for DSM 132 receivers — Configuration menu Guidance Config 1 Swath Width 2 Pattern T ype 2 2 Create Swaths 2 Headland T ype 2 Exit Li.
APPENDIX E DSM 132/132RS Receiver User Guide 131 S pecifications E In this appendix: ■ DMS 132 Receiver ■ Combined Antenna ■ GPS Channels ■ Beacon Channels ■ L-Band Satellite Differential Co.
E S pecifications 132 DSM 132/132RS Receiver User G uide E.1 DMS 132 Receiver T able E.1 lists the characteristics of the DSM 132. E.2 Combined Antenna T able E.2 lists the physical characteristics of the combined antenna. T able E.1 D MS 132 Receiver characteristics Size 14.
DSM 132/132RS Receiver User Guide 133 S pecifications E E.3 GPS Channels T able E.3 lists the performance characteristics of GPS channels. E.4 Beacon Channels T able E.4 lists the characteristics of the beacon channels. T able E.3 GPS channels performance characteristics General 12-channel, parallel tracking L1 1571.
E S pecifications 134 DSM 132/132RS Receiver User G uide E.5 L-Band Satellite Differential Correction Receiver T able E.5 lists the characteristics of the L-band satellite dif ferential correction receiver with multiple vendor support. E.6 Receiver Default Settings T able E.
DSM 132/132RS Receiver User Guide 135 S pecifications E C.C. Filter Enhanced DGPS mode Auto On/Off DGPS correction age limit 30 seconds Pos fix rate 1 Hz T able E.
E S pecifications 136 DSM 132/132RS Receiver User G uide.
Index Numerics 1 pps output 18 A accuracy of receiver 15 Ag GPS menu system 39, 1 28 Ag Remote utility 40, 88 altitude 20 antenna connecting cable 30 electrical interference 29 location of 2 7 mountin.
Index 138 DSM 132/132RS Receiver User G uide D D/2D position type 48 D/3D position type 48 datum WGS-84 76 DGPS 19 DGPS accuracy 20 DGPS Config menu 63, 69 DGPS Config screen 64, 66, 68 DGPS configura.
Index DSM 132/132RS Receiver User Guide 139 GSV message 1 15 H Home screen 65 I IALA (International Association of Lighthouse Authorities) 22 II T alker ID 106 input, ASCII, R TCM, TSIP 18 installing .
Index 140 DSM 132/132RS Receiver User G uide XTE 120 ZDA 104, 120 NMEA1 screen 61 O Omni* activation screen 66 Srv Info screen 64, 88 OmniST AR activating 65 configuring 64 contacting 63 manual servic.
Index DSM 132/132RS Receiver User Guide 141 EVEREST technology 17 R TS/CTS Flow Control Negotiation 17 receiving DGPS satellite 23 reference position coordinates 76 reference station 19 RMC message 11.
Index 142 DSM 132/132RS Receiver User G uide upgrade options activating 81 method, Ag GPS 70 RDL 82 method, Ag Remote software 82 method, Flashloader 100 82 UTC GRS sentence 112 GST sentence 1 14 V V .
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