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NorthStar 2505 Installation Manual

Manual is about: Beacon/WAAS Position Sensor

Summary of 2505

  • Page 1

    2505 beacon/waas position sensor installation manual revision a part number gm2505 northstar technologies 30 sudbury road acton, massachusetts 01720 800/628-4487 978/897-6600 www.Northstarcmc.Com.

  • Page 3: Limited Warranty Policy

    Limited warranty policy northstar technologies, inc. Warrants the northstar 2505 to be free from defects in materials and workmanship for a period of two (2) years. This warranty applies to the original purchaser and to any subsequent owner during the warranty period, which begins on the date of shi...

  • Page 5: Table of Contents

    2505 installation manual, revision a page i table of contents list of figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Iii list of tables . . . . . . . . . . . . . . . ....

  • Page 6

    Page ii 2505 installation manual, revision a.

  • Page 7: List of Figures

    2505 installation manual, revision a page iii list of figures figure 1: 2505 case and mounting dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 2: northstar gps/dgps combo antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 8

    Page iv 2505 installation manual, revision a.

  • Page 9: List of Tables

    2505 installation manual, revision a page v list of tables table 1: contacting northstar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 table 2: 2505 parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 10

    Page vi 2505 installation manual, revision a.

  • Page 11: Section One

    2505 installation manual, revision a page 1 section one introducing the 2505 t he northstar 2505 beacon/waas position sensor installation manual describes how to properly mount, interface, and troubleshoot the northstar 2505 and northstar an205-p combination gps/beacon antenna. Also described are th...

  • Page 12: Getting Technical

    Section one introducing the 2505 page 2 2505 installation manual, revision a • troubleshooting • nmea output protocol getting technical support after you’ve followed the instructions in this manual, if you need additional technical or operations support, or if you have any other service-related ques...

  • Page 13: Servicing The

    Section one introducing the 2505 2505 installation manual, revision a page 3 using the dealer express web pages you can visit the dealer express area on northstar’s website for online service-related information (contact northstar for a dealer password before clicking on the dealer express link), in...

  • Page 14: Returning A 2505

    Section one introducing the 2505 page 4 2505 installation manual, revision a returning a 2505 for service the 2505 is covered by a two-year hardware-only warranty, which, in summary, states that if the 2505 is returned to the northstar factory by the owner or dealer during the warranty period, north...

  • Page 15

    Section one introducing the 2505 2505 installation manual, revision a page 5 need to see it, touch it, or send commands to it. By eliminating virtually all of the attention needed to operate the 2505, you can devote more time to other aspects of your work. Understanding differential the 2505 receive...

  • Page 16

    Section one introducing the 2505 page 6 2505 installation manual, revision a • 2-channel, fully automatic beacon differential gps reception for accuracy better than 2 meters 95 percent of the time • user-selectable (via switch) waas-only or waas with beacon back-up • waas accuracy better than 2 mete...

  • Page 17

    Section one introducing the 2505 2505 installation manual, revision a page 7 eeprom to ensure accuracy. After initialization, the 2505 enters acquisition mode. Acquisition mode the 2505 enters acquisition mode whenever sufficient real-time satellite data is available to produce an initial navigation...

  • Page 18

    Section one introducing the 2505 page 8 2505 installation manual, revision a differential 3-d the 2505 operates in differential 3-d mode when it receives data from at least four satellites with adequate geometry and differential corrections, from either waas satellites or radiobeacons. This is the n...

  • Page 19

    Section one introducing the 2505 2505 installation manual, revision a page 9 fault mode the 2505 enters fault mode if it determines that its outputs are affected by one or more critical system faults. This mode supersedes all others and remains active until the next power-down/power-up cycle. Fault ...

  • Page 20

    Section one introducing the 2505 page 10 2505 installation manual, revision a.

  • Page 21: Section Two

    2505 installation manual, revision a page 11 section two installing and interfacing the 2505 t his section explains how to install the 2505, including recommended mounting locations and methods, and how to interface and troubleshoot. Before installing the 2505 as shipped, the 2505 is ready to instal...

  • Page 22

    Section two installing and interfacing the 2505 page 12 2505 installation manual, revision a 3. After inspecting the components, review all the installation requirements, including: • the physical requirements (spacing, location with regard to other equipment, etc.) • the electrical and electronic r...

  • Page 23: Installing The

    Section two installing and interfacing the 2505 2505 installation manual, revision a page 13 installing the 2505 although the 2505 is very straightforward and easy to understand, you must meet several basic requirements to ensure safe and proper operation. Choosing the 2505’s mounting location the 2...

  • Page 24

    Section two installing and interfacing the 2505 page 14 2505 installation manual, revision a figure 1: 2505 case and mounting dimensions connecting the 2505 to power warning! Be sure to ground the equipment to prevent electrical shock and mutual interference. Be sure that the power supply’s voltage ...

  • Page 25: Installing The

    Section two installing and interfacing the 2505 2505 installation manual, revision a page 15 the 2505 requires 10 to 40 volts dc at approximately 10 watts. The power supply is protected against reverse-polarity power inputs. The 2505 has an internal ½-amp fuse. The 2505 can be turned on remotely. If...

  • Page 26

    Section two installing and interfacing the 2505 page 16 2505 installation manual, revision a figure 2: northstar an205-p antenna dimensions choosing the antenna’s mounting location mount the antenna near the top of the vehicle, where an unobstructed view of the horizon is available in all directions...

  • Page 27: Interfacing The

    Section two installing and interfacing the 2505 2505 installation manual, revision a page 17 interfacing the 2505 connecting the 2505 to other equipment the 2505 is easily interfaced to other equipment using the nmea 0183 data format. Table 3 below lists the hardware port numbers and the signal leve...

  • Page 28: Troubleshooting

    Section two installing and interfacing the 2505 page 18 2505 installation manual, revision a troubleshooting the installation if you’re experiencing operating difficulties, perform the following troubleshooting steps: • verify the integrity of the coaxial connections at the 2505 and at the antenna. ...

  • Page 29: Appendix A

    2505 installation manual, revision a page 19 appendix a technical specifications table 4: 2505 technical specifications general characteristics l1 frequency 1,575.42 mhz coarse acquisition c/a code (1.023 mhz chip rate), code and carrier phase tracking sensitivity -135 dbm (antenna input level) dgps...

  • Page 30

    Appendix a technical specifications page 20 2505 installation manual, revision a time-to-first-fix (ttff) hot start: 20 seconds typical, with current almanac, position, time, and ephemeris warm start: 45 seconds typical, with current almanac, position, time, and ephemeris cold start: 2 minutes typic...

  • Page 31: Appendix B Data

    2505 installation manual, revision a page 21 appendix b data characteristics input/output ports the 2505 contains a gps receiver and a beacon receiver. Each 2505 has two full-duplex serial ports that may be interconnected with each other, and with external devices in a variety of ways for different ...

  • Page 32

    Appendix b data characteristics page 22 2505 installation manual, revision a table 5: 2505 signals and i/o ports i/o ports pin rs-232 receiver 1 input 7 rs-232 receiver 2 input 21 rs-232 receiver 3 input (optional) 10 rs-422 receiver 1 input (a/b) 15, 3 rs-422 receiver 2 input (a/b) 1, 14 rs-232 tra...

  • Page 33: Appendix C

    2505 installation manual, revision a page 23 appendix c nmea output protocol t his appendix includes information about the nmea message format for the gps receiver, as well as input and output sentences. Gps receiver’s nmea message format this section describes the serial protocol used by the gps re...

  • Page 34

    Appendix c nmea output protocol page 24 2505 installation manual, revision a the types of fields are defined in table 6 on page 25. Header contents of data fields $pmcag,xxx,xxx,xx,xx,...*ck end of sentence checksum checksum field delimiter data (1st field = message identifier interface id (g = gps)...

  • Page 35

    Appendix c nmea output protocol 2505 installation manual, revision a page 25 table 6: nmea field definitions field type symbol definition special format fields status a single character field: a = yes, data valid, warning flag clear v = no, data invalid, warning flag set latitude llll.Ll fixed/varia...

  • Page 36: Input Sentences

    Appendix c nmea output protocol page 26 2505 installation manual, revision a the following sections define the valid input and output sentences available on the primary port. Input sentences table 7 lists all valid input sentence types for the gps receiver. Detailed descriptions of each sentence are...

  • Page 37

    Appendix c nmea output protocol 2505 installation manual, revision a page 27 configure primary port command this message is used to change the primary port mode. Once this command is issued to the gps receiver, the controller supporting the monitor mode protocol is activated, then nmea communication...

  • Page 38

    Appendix c nmea output protocol page 28 2505 installation manual, revision a initialization data command this message initializes the gps receiver with reference utc date and time, and user position. Example: set reference position sentence. $pmcag,001,09,07,1995,16,37,21,00,00,5301.97,n,00133.48,e,...

  • Page 39

    Appendix c nmea output protocol 2505 installation manual, revision a page 29 initiate self-test command this message will request a complete self-test of the gps receiver. Results of the self-test will be automatically output (output message 902) on the primary output port at completion of the self-...

  • Page 40

    Appendix c nmea output protocol page 30 2505 installation manual, revision a set output configuration command this message is used to configure the output of the primary port. It contains the primary port baud rate and the list of message identifiers with their minimum time interval between consecut...

  • Page 41

    Appendix c nmea output protocol 2505 installation manual, revision a page 31 switch to reprogramming mode command example: $pmcag,006,19.2*7a header contents of data fields $pmcag,006,xx.X*hh baud rate 1 1. Baud rate: valid baud rates: 0.3, 0.6, 1.2, 2.4, 4.8, 9.6, 19.2 or 38.4 (in kbd units)..

  • Page 42

    Appendix c nmea output protocol page 32 2505 installation manual, revision a erase non-volatile memory command example: $pmcag,007,15*6b erases configuration of the primary port and bsc binary message list transmitted by default after each power-up. Header contents of data fields $pmcag,007,xxx*hh t...

  • Page 43

    Appendix c nmea output protocol 2505 installation manual, revision a page 33 command message to the radiobeacon this message is used to configure the set the frequency and bit rate parameters of the radiobeacon and also to set the rate of the output message mss and $pmcag,903. Example: $gpmsk,288.0,...

  • Page 44: Output Sentences

    Appendix c nmea output protocol page 34 2505 installation manual, revision a output sentences table 9 below lists all valid output sentence types for the gps receiver. Detailed descriptions of each are given in the following sections. Table 9: primary port output sentences message identifier name ma...

  • Page 45

    Appendix c nmea output protocol 2505 installation manual, revision a page 35 navigation status this message provides the current navigation mode and gps fix quality indicator. Example: $pmcag,900,3-d,h*5f navigation mode: 3-d fix (gps fix obtained from at least 5 satellites). Header contents of data...

  • Page 46

    Appendix c nmea output protocol page 36 2505 installation manual, revision a data request list overflow this message is returned when more than eight data requests are pending. Example: $pmcag,901*4c header contents of data fields $pmcag,901*hh.

  • Page 47

    Appendix c nmea output protocol 2505 installation manual, revision a page 37 self-test results message result of the gps sensor self-test. This message is automatically output in response to an initiated self-test request (see input message identifier 003). This message can also be requested through...

  • Page 48

    Appendix c nmea output protocol page 38 2505 installation manual, revision a radiobeacon proprietary information this message is automatically output in response to an msk request (see input message identifier msk). Example: $gpcag,903,6,,2.24,0,0,0,0*62 header contents of data fields $pmcag,903,x.X...

  • Page 49

    Appendix c nmea output protocol 2505 installation manual, revision a page 39 global positioning system fix data example: $gpgga,012338.61,5619.2837,n,17235.8964,e,1,05,02.3,-00034.2,m,,m,,*66 utc 01:23:38.61 latitude 56 ° 19.2837' north longitude 172 ° 35.8964' east quality gps fix satellites used 5...

  • Page 50

    Appendix c nmea output protocol page 40 2505 installation manual, revision a geographic position latitude/longitude latitude and longitude of present position, time of position and status. Example: $gpgll,5619.2837,n,17235.8964,e,012338.61,a*0c latitude: 56 ° 19.2837' north longitude: 172 ° 35.8964'...

  • Page 51

    Appendix c nmea output protocol 2505 installation manual, revision a page 41 gps dop and active satellites operating mode, satellites used for navigation and dop values from gps sensor. Example: $gpgsa,a,3,14,22,03,09,08,29,17,,,,,,2.7,2.2,1.6*3a mode: automatic/3-d svs used: prns 14, 22, 03, 09, 08...

  • Page 52

    Appendix c nmea output protocol page 42 2505 installation manual, revision a gps satellites in view number of svs in view, prn numbers, elevation, azimuth and snr values. Four satellites maximum per transmission, additional satellite data sent in second or third sentence. Examples: $gpgsv,2,1,06,03,...

  • Page 53

    Appendix c nmea output protocol 2505 installation manual, revision a page 43 $gpgsv,2,2,06,15,23,187,8.2,17,35,323,11.1,,,,,,,,*4d messages 2 msg. No. 2 sv visible 6 prn 15 elevation 23 ° azimuth 187 ° snr 8.2 db prn 17 elevation 35 ° azimuth 323 ° snr 11.1 db.

  • Page 54

    Appendix c nmea output protocol page 44 2505 installation manual, revision a mss receiver signal status this message sends the information about the signal-to-noise ratio and signal strength frequency and bit rate from an msk (beacon) receiver. This message will be transmitted at the rate set in the...

  • Page 55

    Appendix c nmea output protocol 2505 installation manual, revision a page 45 recommended minimum specific gps data time, date, position, course and speed data. Example: recommended minimum specific gps data sentence. $gprmc,224512.45,g,2518.3847,s,08339.8367,e,003.8,311.5,080793,,*2e utc 22:45:12.45...

  • Page 56

    Appendix c nmea output protocol page 46 2505 installation manual, revision a track made good and ground speed actual track made good and speed relative to the ground. Example: track made good and ground speed data sentence. $gpvtg,234.6,t,,,075.3,n,139.5,k*21 track 234.6 ° from north speed 75.3 knot...

  • Page 57

    Appendix c nmea output protocol 2505 installation manual, revision a page 47 time and date utc time, date and local time zone. Example: time and date sentence. $gpzda,224512.45,12,01,2003,–6,00,*hh utc 22:45:12.45 date 12 january 2003 local zone 6 zones (hours) east of gmt header contents of data fi...

  • Page 58

    Appendix c nmea output protocol page 48 2505 installation manual, revision a.

  • Page 59: Glossary

    2505 installation manual, revision a page 49 glossary almanac the compilation of satellite identification and orbital data used by a gps receiver. Beacon a land-based differential correction transmitter, also known as a u. S. Coast guard beacon. Bdm beacon demodulator, which is the receiver for diff...

  • Page 60

    Glossary page 50 2505 installation manual, revision a mf medium frequency band. Mhz megahertz, one million cycles per second. Msb most significant bit. Msk minimum skift keying (the type of modulation used by the bdm, about 50 hz shift). Nvm non-volatile memory. Pal programmed array logic chip. Prn ...