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PRODUCT USER MANUAL

GPS RECEIVER ENGINE BOARD

EM-411

GlobalSat Technology Corporation

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16, No.186,Chien 1 Road, 235Chung Ho City,Taipei Hsien, Taiwan ,R.O.C.

Tel: 886-2-8226-3799(Rep.) Fax: 886-2-8226-3899

Содержание EM-411

Страница 1: ...RODUCT USER MANUAL GPS RECEIVER ENGINE BOARD EM 411 GlobalSat Technology Corporation 186 16 r r 16 No 186 Chien 1 Road 235Chung Ho City Taipei Hsien Taiwan R O C Tel 886 2 8226 3799 Rep Fax 886 2 8226...

Страница 2: ...patch antenna LED indicator for GPS fix or not fix LEDOFF Receiver switch off LED ON No fixed Signal searching LED Flashing Position Fixed Specification General Chipset SiRF Star Frequency L1 1575 42...

Страница 3: ...ration Less than 4g Jerk 20m sec 3 Power Main power input 4 5V 6 5V DC input Power consumption 60mA Protocol Electrical level TTL level Output voltage level 0V 2 85V RS 232 level Baud rate 4 800 bps O...

Страница 4: ...s the main transmits channel for outputting navigation and measurement data to user s navigation software or user written software RX This is the main receive channel for receiving software commands t...

Страница 5: ...mm E W Indicator W E east or W west Position Fix Indicator 1 See Table B 3 Satellites Used 07 Range 0 to 12 HDOP 1 0 Horizontal Dilution of Precision MSL Altitude1 9 0 meters Units M meters Geoid Sepa...

Страница 6: ...SS DOP and Active Satellites Table B 5 contains the values for the following example GPGSA A 3 07 02 26 27 09 04 15 1 8 1 0 1 5 33 Table B 5 GSA Data Format Name Example Units Description Message ID G...

Страница 7: ...s1 2 Range 1 to 3 Message Number1 1 Range 1 to 3 Satellites in View 07 Satellite ID 07 Channel 1 Range 1 to 32 Elevation 79 degrees Channel 1 Maximum90 Azimuth 048 degrees Channel 1 True Range 0 to 35...

Страница 8: ...87 hhmmss sss Status A A data valid or V data not valid Latitude 3723 2475 ddmm mmmm N S Indicator N N north or S south Longitude 12158 3416 dddmm mmmm E W Indicator W E east or W west Speed Over Grou...

Страница 9: ...ID GPVTG VTG protocol header Course 309 62 degrees Measured heading Reference T True Course degrees Measured heading Reference M Magnetic Speed 0 13 knots Measured horizontal speed Units N Knots Spee...

Страница 10: ...sing the saved parameters Format PSRF100 protocol baud DataBits StopBits Parity CKSUM CR LF protocol 0 SiRF Binary 1 NMEA 4 USER1 baud 1200 2400 4800 9600 19200 38400 DataBits 8 7 Note that SiRF proto...

Страница 11: ...more quickly and thus produce a faster navigational solution When a valid Navigation Initialization command is received the receiver will restart using the input parameters as a basis for satellite se...

Страница 12: ...to control Serial Port B that is an input only serial port used to receive RTCM differential corrections Differential receivers may output corrections using different communication parameters The defa...

Страница 13: ...s of the receiving program NMEA message settings are saved in battery backed memory for each entry when the message is accepted Format 3PSRF103 msg mode rate cksumEnable CKSUM CR LF msg 0 GGA 1 GLL 2...

Страница 14: ...ation command is received the receiver will restart using the input parameters as a basis for satellite selection and acquisition Format 3PSRF104 Lat Lon Alt ClkOffset TimeOfWeek WeekNo ChannelCount R...

Страница 15: ...asons for input command rejection are invalid checksum or parameter out of specified range This setting is not preserved across a module reset Format 3PSRF105 debug CKSUM CR LF debug 0 Off 1 On Exampl...

Страница 16: ...Examples Datum select TOKYO_MEAN PSRF106 178 32...