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Meinberg GPS163AHS, Руководство по эксплуатации

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23

i

leap second insertion

‘L’ leap second is actually inserted

(active only in 60th sec.)

‘ ‘

(space, 20h) no leap second is inserted

bbb.bbbb

latitude of receiver position in degrees
leading signs are replaced by a space character (20h)

n

latitude, the following characters are possible:

‘N’ north of equator
‘S’

south of equator

lll.llll

longitude of receiver position in degrees
leading signs are replaced by a space character (20h)

e

longitude, the following characters are possible:

‘E’ east of Greenwich
‘W’ west of Greenwich

hhhh

altitude above sea level in meters
leading signs are replaced by a space character (20h)

<ETX>

End-Of-Text (ASCII-code 03h)

Содержание GPS163AHS

Страница 1: ...FUNKUHREN GPS163DHS GPS163AHS Technical Information Operating Instructions Incl Windows Software GPSMON32...

Страница 2: ...Impressum Werner Meinberg Auf der Landwehr 22 D 31812 Bad Pyrmont Telefon 49 0 52 81 9309 0 Telefax 49 0 52 81 9309 30 Internet http www meinberg de Email info meinberg de April 29 2005...

Страница 3: ...n 10 Power supply 10 Mounting the antenna 10 Powering up the system 11 The front panel layout 12 FAIL LED 12 LOCK LED 12 OCx LEDs 12 BSL Key 12 BNC connector DCF Out 13 BNC connector GPS Ant 13 Assign...

Страница 4: ...ormat of the Meinberg standard time string 20 Format of the SAT time string 21 Format of the time string Uni Erlangen NTP 22 Format of the NMEA RMC string 24 Diskette with Windows Software GPSMON32 25...

Страница 5: ...based on accurately measuring the propagation time of signals transmitted from satellites to the user s receiver A nominal constellation of 21 satellites together with 3 active spares in six orbital p...

Страница 6: ...s without additional amplifier IF circuit microcontroller correlator DCF77 simulation master oscillator D A converter Flash EPROM program memory GPS163xHS SRAM EEPROM data memories real time clock pow...

Страница 7: ...ffers from the universal time scale UTC by the number of leap seconds which have been inserted into the UTC time scale after GPS has been initiated in 1980 The current number of leap seconds is part o...

Страница 8: ...rnal timing is synchronous to the GPS system all sync Logical AND of the above status messages The output is active if position is calculated AND the timing is synchronized Idle mode The output is ina...

Страница 9: ...f leap seconds The coding sheme is given below M Start of Minute 0 1 s R RFTransmission viasecondary antenna A1 Announcementofa change in daylight saving Z1 Z2 Time zone identification Z1 Z2 0 1 Dayli...

Страница 10: ...te so the antenna converter unit must be installed in a location from which as much of the sky as possible can be seen The best reception is given when the antenna has a free view of 8 angular elevati...

Страница 11: ...te after power up If the receiver position has changed by some hundred kilometers since last operati on the satellites real elevation and doppler might not match those values expected by the receiver...

Страница 12: ...he on board software must be upgraded or modified the new firmware can be downloaded to the internal flash memory using the serial port COM0 There is no need to open the metal case and insert a new EP...

Страница 13: ...minal block The pulse outputs are accessible through the terminal block in the front panel In addition the power supply is connected to GPS163DHS via two poles of this terminal block The marking besid...

Страница 14: ...the board is at least 10 years If the need arises to replace the battery the following should be noted ATTENTION Danger of explosion in case of inadequate replacement of the lithium battery Only iden...

Страница 15: ...id battery buffered memory BATTERY BACKUP storage of pulse configuration and important GPS system data in the internal RAM backed up by lithium battery lifetime of battery 10 years min PULSE OUTPUTS t...

Страница 16: ...OM1 time string per second mode of operation if sync DCF77 EMULATION AM modulated 77 5 kHz carrier frequency usable as replacement for a DCF77 antenna output level approximately 55 dBm unmodulated STA...

Страница 17: ...DCF77 output terminal block for connection of pulse outputs and power supply GPS163DHS only power cord receptacle for AC line GPS163AHS only AMBIENT TEMPERATURE 0 50 C HUMIDITY 85 max Front views GPS...

Страница 18: ...575 42 MHz bandwidth 9 MHz CONVERTER local oscillator to converter frequency 10 MHz first IF frequency 35 4 MHz POWER REQUIREMENTS 12V 18V 100mA provided via antenna cable CONNECTOR coax type N female...

Страница 19: ...19 Assembly with CN UB E CN UB 280DC Type N BNC male Type N male Type N male CN UB E 1 5m max Type N male GPS167 Antenna Meinberg GPS As short as possible...

Страница 20: ...hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second uv clock status characters u clock has not synchronized after reset space 20h clock has synchronized after reset v different for D...

Страница 21: ...day of the week 1 7 1 Monday hh mm ss the current time hh hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second zz time zone indicator Z MEZ European Standard Time daylight saving dis...

Страница 22: ...3 mm minutes 00 59 ss seconds 00 59 or 60 while leap second v sign of the offset of local timezone related to UTC oo oo offset of local timezone related to UTC in hours and minutes ac clock status cha...

Страница 23: ...racter 20h n latitude the following characters are possible N north of equator S south of equator lll llll longitude of receiver position in degrees leading signs are replaced by a space character 20h...

Страница 24: ...ss seconds 00 59 or 60 while leap second ss fractions of seconds 1 10 1 100 A Status A time data valid V time data not valid bbbb bb latitude of receiver position in degrees leading signs are replaced...

Страница 25: ...25 Diskette with Windows Software GPSMON32...

Страница 26: ...the clock and the PC comes about only if the GPS serial port is configured in the same way as the PCs comport You can enforce an access if the GPS serial port is not configured with appropriate param...

Страница 27: ...27...

Страница 28: ......

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