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PDF IT600 Data sheet ( Hoja de datos )
| Número de pieza | IT600 | |
| Descripción | OEM GPS receiver module | |
| Fabricantes | Fastrax | |
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Revision 1.6
Data Sheet
IT600
This document describes operation, connectivity and electrical specifications of Fastrax IT600
OEM GNSS receiver module.
March 30, 2012
Fastrax Ltd
1 page  
Page 5 of 44
6.2 Moisture Sensitivity .................................................................................................................................. 28
6.3 Marking ..................................................................................................................................................... 28
6.4 Tape & Reel Specification.......................................................................................................................... 29
7 Reference Design ............................................................................................................................................... 30
7.1 Reference Circuit Diagram ........................................................................................................................ 30
7.2 PCB Layout Issues...................................................................................................................................... 31
8 AP600 Application Board ................................................................................................................................... 33
8.1 Physical Interfaces..................................................................................................................................... 34
8.2 Bill-of-Materials......................................................................................................................................... 36
8.3 AP600 circuit diagram ............................................................................................................................... 38
8.4 Assembly Drawing Top Side ...................................................................................................................... 40
8.5 Artwork Layer 1 (Top) ............................................................................................................................... 41
8.6 Artwork Layer 2......................................................................................................................................... 41
8.7 Artwork Layer 3......................................................................................................................................... 42
8.8 Artwork 4, Bottom Layer........................................................................................................................... 42
Appendix A: Accuracy ................................................................................................................................................. 43
2012-03-30
IT600_Datasheet
5 Page 
Page 11 of 44
NOTE
Glonass (and hybrid navigation) introduces changes in NMEA output. Make sure
your NMEA parser is able to handle. Please see reference [3] for details: NMEA
0183 - Standard for Interfacing Marine Electronic Devices Version 3.01 - January 1,
2002 Complete NMEA specification is available from www.nmea.org
Highlights of NMEA message changes due to Glonass & Hybrid navigation:
$__GSV:
o Number of satellites (SV) in view, satellite ID numbers, elevation, azimuth, and SNR value. Four
satellites maximum per transmission. Total number of sentences being transmitted and the
number of the sentence being transmitted are indicated in the first two fields.
o If multiple GPS, GLONASS, etc. satellites are in view, use separate GSV sentences with talker ID
GP to show the GPS satellites in view and talker GL to show the GLONASS satellites in view, etc.
o Example: IT600 NMEA output in hybrid mode – GSV messages
$GPGSV,3,1,12,03,19,041,41,05,50,246,49,06,15,028,38,07,61,084,50*74
$GPGSV,3,2,12,08,80,186,51,10,24,189,41,13,15,116,40,15,04,294,*79
$GPGSV,3,3,12,19,15,071,40,21,13,341,39,26,38,286,46,28,26,172,43*75
$GLGSV,3,1,11,65,46,237,37,69,21,039,,70,78,060,34,72,67,102,*6C
$GLGSV,3,2,11,73,18,329,18,75,00,104,,76,21,004,19,77,36,043,*63
$GLGSV,3,3,11,85,23,056,24,91,45,196,23,92,61,285,24,,,,*5F
$__GSA
o GNSS DOP And Active Satellites
o GSA messages are output as follows:
in Glonass or GPS mode only, the GSA-messages are output as $GPGSA or $GLGSA
respectively
In hybrid mode, GSA messages are output as combined $GNGSA message:
o $GNGSA,A,3,13,10,07,15,05,19,08,21,26,06,70,28,1.1,0.7,0.9*2B
o $GNGSA,A,3,92,65,85,03,,,,,,,,,1.1,0.7,0.9*24
o There may be several lines of messages depending on the mode
$GPRMC
o Recommended Minimum Specific GPS/Transit Data
o NOTE: firmware only outputs $GPRMC messages, which in hybrid mode contains hybrid position
and speed data
o Note: Position resolution is only 3 decimal minutes, which corresponds to about 1 m horizontal
resolution; use preferably $GPGGA with better resolution 5 decimal minutes
$GPGGA
o Global Positioning System Fix Data
o NOTE: firmware only outputs $GPGGA messages, which in hybrid mode contains hybrid position
and speed data
$PSTMSBAS
o SBAS Satellite Data
o Note: SBAS satellite usage and tracking information is outputted in $PSTMSBAS message, not in
$__GSV messages
o Note: default FW configuration uses SBAS PRN is 124. SBAS satellite can be set via NMEA
command $PSTMSBASSAT followed by cold start command $PSTMCOLD; setting parameter to
zero will allow automatic search for the SBAS satellite available in the user region.
2012-03-30
IT600_Datasheet
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet IT600.PDF ] | |
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