EverMore GM-X205 Скачать руководство пользователя страница 38

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EverMore Technology Inc.

2F, No.7, R&D Road 1, Science-Based Industrial Park, Hsinchu, Taiwan, 310, R.O.C.

http://www.emt.com.tw

ELLIPSOID DESCRIPTION TABLE

Ellipsoid

Semi-major axis (a)

Inverse flattening (1/f)

Airy 1830

6377563.396

299.3249646

Modified Airy

6377340.189

299.3249646

Australian National

6378160

298.25

Bessel 1841 (Namibia)

6377483.865

299.1528128

Bessel 1841

6377397.155

299.1528128

Clarke 1866

6378206.4

294.9786982

Clarke 1880

6378249.145

293.465

Everest (India 1830)

6377276.345

300.8017

Everest (Sabah Sarawak)

6377298.556

300.8017

Everest (India 1956)

6377301.243

300.8017

Everest (Malaysia 1969)

6377295.664

300.8017

Everest (Malay. & Sing)

6377304.063

300.8017

Everest (Pakistan)

6377309.613

300.8017

Modified Fischer 1960

6378155

298.3

Helmert 1906

6378200

298.3

Hough 1960

6378270

297

Indonesian 1974

6378160

298.247

International 1924

6378388

297

Krassovsky 1940

6378245

298.3

GRS 80

6378137

298.257222101

South American 1969

6378160

298.25

WGS 72

6378135

298.26

WGS 84

6378137

298.257223563

Содержание GM-X205

Страница 1: ...EverMore Technology Inc 2F No 7 R D Road 1 Science Based Industrial Park Hsinchu Taiwan 310 R O C http www emt com tw 1 GM X205 GPS Receiver Module User s Guide EverMore Technology Inc...

Страница 2: ...EA output message format EverMore Technology Inc All rights reserved Not to be reproduced in whole or part for any purpose without written permission of EverMore Technology Inc Information provided by...

Страница 3: ...4 1 4 GSA GNSS DOP and Active Satellites 15 4 1 5 GSV GNSS Satellites in View 16 4 1 6 RMC Recommended Minimum Specific GNSS Data 17 4 1 7 VTG Course Over Ground and Ground Speed 18 4 2 EverMore Bina...

Страница 4: ...Data Dump 29 4 3 1 3 LogData Erase 29 4 3 1 4 LogConfig Read 29 4 3 2 Data Logging Output Messages 30 4 3 2 1 LogData 30 4 3 2 2 LogConfig Info 30 4 3 3 Data Logging Programming Description 31 4 3 3 1...

Страница 5: ...performance minimizes board size and power consumption requirements The GM X205 is designed to withstand harsh operating environments however it should be used inside an enclosure as a part of the ap...

Страница 6: ...searching the sky for the GPS signal The acquisition performance can be improved significantly if the host initializes the receiver with a rough estimate of time and user position As soon as GPS sign...

Страница 7: ...ypical Warm start 45sec typical Hot start 15sec Reacquisition 100msec Dynamics Altitude 1000m to 18000m Velocity 500m sec Acceleration 4g Operation Temperature 20o C to 75o C Storage Temperature 55 o...

Страница 8: ...nce Based Industrial Park Hsinchu Taiwan 310 R O C http www emt com tw 8 SECTION 3 HARDWARE INTERFACE 3 1 MECHANICAL DIMENSIONS Unit mm Top View Lateral View Bottom View 45 5 0 2 31 0 0 2 45 5 0 1 4 0...

Страница 9: ...com tw 9 3 2 RF MODULE HARDWARE INTERFACE Pin Description 1 NC 2 NC 3 Vcc Input 3 3V 4 CTRL Input signal for RF module power saving control 5 GND Power and signal ground 6 REF Out 16 367MHz reference...

Страница 10: ...1PPS B1 TX Serial port output GPS navigation output B2 RX Serial port input B3 Vcc Power supply input 3 8V 8 0V DC unregulated The following is a functional description of the pins on the 6 pin inter...

Страница 11: ...d to generate valid position fixes the 1PPS output is adjusted to align with the GPS second in several seconds When the 1PPS output is brought in sync with the GPS second the 1PPS Valid Signal on the...

Страница 12: ...ault receiver protocol is 4800baud 8 data bits 1 stop bit and none parity 4 1 NMEA OUTPUT MESSAGE SPECIFICATION The GM X205 supports NMEA 0183 output format as defined by the National Marine Electroni...

Страница 13: ...rth or S south 5 Longitude 12100 1494 dddmm mmmm degree minute decimal minute Leading zeros transmitted 6 E W Hemisphere Indicator E a E east or W west 7 GPS Position Fix Indicator 1 x 0 no position f...

Страница 14: ...377 E 110519 259 A 35 Field Name Example Unit Description 1 Message ID GPGLL GLL protocol header 2 Latitude 2446 5311 ddmm mmmm degree minute decimal minute Leading zeros transmitted 3 N S Hemisphere...

Страница 15: ...ield Name Example Unit Description 1 Message ID GPGSA GSA protocol header 2 Manual or Automatic Mode A x A automatic allowed to switch 2D 3D automatically M manual forced to operate in 2D or 3D mode 3...

Страница 16: ...l header 2 Total Messages 3 x 1 3 3 Message Number 1 x 1 3 4 Total Number of Satellites In View 11 xx 0 12 Leading zeros transmitted 5 Satellite Number 1 27 xx SV1 ID number 01 32 Leading zeros transm...

Страница 17: ...sec decimal sec 000000 000 235959 999 Leading zeros transmitted 3 Status A x A Data valid V Navigation receiver warning 4 Latitude 2446 5243 ddmm mmmm degree minute decimal minute Leading zeros transm...

Страница 18: ...5 N 0104 7 K 56 Field Name Example Unit Description 1 Message ID GPVTG VTG protocol header 2 Heading 051 6 degree xxx x Heading of the receiver when moving Leading zeros transmitted 3 True T Indicate...

Страница 19: ...rwise it is not sent Message Body When DLE 0x10 is encountered in the message body it is repeated The EverMore Binary Message supports following message types for receiver configuration and status mon...

Страница 20: ...igned 32bit integer 1 100 sec 8 9 Latitude 900 Signed 16bit integer 1 10 degree 10 11 Longitude 1800 Signed 16bit integer 1 10 degree 12 13 Altitude 1000 18000 Signed 16bit integer meter 14 15 Datumn...

Страница 21: ...Purpose Set various DOP masks which are used to set accuracy limits on position output If the selected DOP mask is exceeded new position velocity time solution is not calculated and last valid soluti...

Страница 22: ...hronization disabled 3 Full power mode with 1PPS output synchronized With Navigation Update Rate set to n measurement is taken and navigation solution is computed every n seconds When power saving mod...

Страница 23: ...it 1 Message ID 0x02 Unsigned byte 2 3 GPS week 0 65535 Unsigned 16bit integer week 4 7 GPS tow 0 60479900 Unsigned 32bit integer 1 100 sec 8 11 Position X 2 31 Signed 32bit integer meter 12 15 Positi...

Страница 24: ...t Byte Contents Range Size Scale Unit 1 Message ID 0x04 Unsigned byte 2 3 GPS week 0 65535 Unsigned 16bit integer week 4 7 GPS tow 0 60479900 Unsigned 32bit integer 1 100 sec 8 GDOP 0 255 Unsigned byt...

Страница 25: ...it integer 1 100 sec 8 Number of SV in view 0 12 Unsigned byte Channel Data 7 bytes per channel N 1 2 3 n for the n visible satellites Byte Contents Range Size Unit 7N 2 Channel 1 12 Unsigned byte 7N...

Страница 26: ...it integer 10 Number of SV in view 0 12 Unsigned byte Channel Data 14 bytes per channel Repeated for each in view satellites Byte Contents Range Size Unit 1 2 Channel SV Elevation bit 0 3 1 12 bit 4 8...

Страница 27: ...storing the data in the on board memory The logged data may be retrieved later The logged information consists of l GPS time with 1 second resolution l Position in ECEF coordinate with 1 meter resolut...

Страница 28: ...eger 5 6 delta_Tmin 0 65535 Unsigned 16bit integer sec 7 8 delta_Tmax 0 65535 Unsigned 16bit integer sec 9 10 delta_D 0 65535 Unsigned 16bit integer meter The data logging function stores receiver pos...

Страница 29: ...n off 0 OFF 1 ON bit1 GLL message on off bit2 RMC message on off bit3 VTG message on off bit4 6 reserved bit7 Log binary data on off When bit7 of byte 4 is set logged data is sent in binary format oth...

Страница 30: ...it integer 8 11 EFEC_X 2 31 Signed 32bit integer meter 12 15 EFEX_Y 2 31 Signed 32bit integer meter 16 19 EFEC_Z 2 31 Signed 32bit integer meter mode Navigation mode 0 2D 1 3D DGPS 0 no DGPS used 1 us...

Страница 31: ...es data logging automatically and starts to output the logged data either in NMEA format or in binary LogData message format according to the format requested in the previously issued LogData Dump com...

Страница 32: ...1 73 317 Clarke 1880 Malawi 19 Arc 1950 143 90 294 Clarke 1880 MEAN FOR Botswana Lesotho Malawi Swaziland Zaire Zambia Zimbabwe 20 Arc 1950 134 105 295 Clarke 1880 Swaziland 21 Arc 1950 169 19 278 Cla...

Страница 33: ...56 European 1950 130 117 151 International 1924 Egypt 57 European 1950 86 96 120 International 1924 England Channel Islands Scotland Shetland Islands 58 European 1950 86 96 120 International 1924 Engl...

Страница 34: ...nds 93 ISTS 073 Astro 1969 208 435 229 International 1924 Diego Garcia 94 Johnston Island 1961 189 79 202 International 1924 Johnston Island 95 Kandawala 97 787 86 Everest India 1830 Sri Lanka 96 Kerg...

Страница 35: ...194 Clarke 1866 MEAN FOR Belize Costa Rica El Salvador Guatemala Honduras Nicaragua 132 North American 1927 10 158 187 Clarke 1866 MEAN FOR Canada 133 North American 1927 8 160 176 Clarke 1866 MEAN F...

Страница 36: ...erican 1956 282 169 371 International 1924 Colombia 166 Provisional South American 1956 278 171 367 International 1924 Ecuador 167 Provisional South American 1956 298 159 369 International 1924 Guyana...

Страница 37: ...Argentina Bolivia Brazil Chile Colombia Ecuador Guyana Paraguay Peru Trinidad Tobago Venezuela 201 South American 1969 61 2 33 South American 1969 Paraguay 202 South American 1969 58 0 44 South Americ...

Страница 38: ...866 6378206 4 294 9786982 Clarke 1880 6378249 145 293 465 Everest India 1830 6377276 345 300 8017 Everest Sabah Sarawak 6377298 556 300 8017 Everest India 1956 6377301 243 300 8017 Everest Malaysia 19...

Страница 39: ...ON VTG OFF Checksum ON EMT Private Message OFF Baud Rate 4800 Baud Elevation Mask 5 degrees DOP Mask DOP Select Auto GDOP 20 PDOP 15 HDOP 8 Receiver Operating Mode Normal Mode without 1PPS Commands ca...

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