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Page 13

8 Firmware updates

Whenever the on-board software must be upgraded or modied, the new rmware can be downloaded to the

internal ash memory via the radio clock's serial port COM0. There is no need to open the computer case and

insert a new EPROM.

If the button behind a hole in the rear slot cover is pressed for approximately 2 seconds, a bootstrap loader

is activated and waits for instructions from the serial port COM0. A loader program shipped together with the

le containing the image of the new rmware sends the new rmware from one of the computer's serial ports to

the clock's serial port COM0. The bootstrap loader does not depend on the contents of the ash memory, so if

the update procedure is interrupted, it can easily be repeated.

The contents of the program memory will not be modied until the loader program has sent the command

to erase the ash memory. So if the button has been pressed accidentally, the system will be ready to operate

again after the computer has been turned o and then on again.

GPS170PCI

Date: 12th July 2012

13

Содержание GPS170PCI

Страница 1: ...MANUAL GPS170PCI Satellite controlled Radio Clock 12th July 2012 Meinberg Radio Clocks GmbH Co KG...

Страница 2: ......

Страница 3: ...tes 13 9 Skilled Service Personnel only Replacing the Lithium Battery 14 10 Time codes 15 10 1 The time code generator 15 10 2 IRIG Standard Format 16 10 3 AFNOR Standard Format 17 10 4 Assignment of...

Страница 4: ...einberg Radio Clocks GmbH Co KG Lange Wand 9 31812 Bad Pyrmont Germany Phone 49 0 52 81 93 09 0 Fax 49 0 52 81 93 09 30 Internet http www meinberg de Mail info meinberg de Date 2009 06 24 GPS170PCI Da...

Страница 5: ...computer s system time synchronous to the received time If the delivered stick doesn t include a driver program for the operating system used it can be downloaded from http www meinberg de german sw...

Страница 6: ...tellites together with some active spares in six orbital planes 20 000 km over ground provides a minimum of four satellites to be in view 24 hours a day at every point of the globe Four satellites nee...

Страница 7: ...emory real time clock with EEPROM antenna power internal power sample clock data clock addr data clock clock clock control voltage addr data control data dual Tx Rx addr data addr data control timecod...

Страница 8: ...cale 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 of the navigation message suppli...

Страница 9: ...PPO0 PPO1 PPO2 These TTL outputs can be mapped to pins at the 9 pin connector at the rear slot cover by using a DIL switch The pulse generator is able to provide a multitude of di erent pulses which...

Страница 10: ...ute 0 1s R RFTransmissionviasecondaryantenna A1 Announcementofachangeindaylightsaving Z1 Z2 Timezoneidentification Z1 Z2 0 1 Daylightsavingdisabled Z1 Z2 1 0 Daylightsavingenabled A2 Announcementofale...

Страница 11: ...or if a severe error occurs during operation The 9 pin sub D connector is wired to the serial port COM0 Pin assignment can be seen from the gure beside This port can not be used as serial port for th...

Страница 12: ...wo di erent signals can be mapped to these Pins Only one switch may be put in the ON position in this case Pin 1 DIL 1 or DIL 8 ON Pin 4 DIL 5 or DIL 10 ON Pin 7 DIL 3 or DIL 7 ON The gure left shows...

Страница 13: ...ible to con gure some or all of those outputs to be enabled immediately after power up If the system starts up in a new environment e g receiver position has changed or new power supply it can take so...

Страница 14: ...Hz max lenght mm dB 100m m RG58 CU 5mm 17 300 1 RG213 10 5mm 7 700 1 1 This speci cations are made for antenna converter units produced after January 2005 The values are typically ones the exact ones...

Страница 15: ...nnect the antenna converter directly with the antenna cable to the system free view to the sky Surge Voltage Protector connect to earth by using the mounting bracket GPS Antenna s S at P elli G te ant...

Страница 16: ...OM0 A loader program shipped together with the le containing the image of the new rmware sends the new rmware from one of the computer s serial ports to the clock s serial port COM0 The bootstrap load...

Страница 17: ...eplace the battery the following should be noted ATTENTION There is a Danger of explosion if the lithium battery is replaced incorrectly Only identical batteries or batter ies recommended by the manuf...

Страница 18: ...imecodes Modulated signals are transmitting the information by varying the amplitude of a sine wave carrier un modulated timecodes are transmitted by pulse duration modulation of a DC signal TTL in ca...

Страница 19: ...Page 16 10 Time codes 10 2 IRIG Standard Format 16 Date 12th July 2012 GPS170PCI...

Страница 20: ...10 3 AFNOR Standard Format Page 17 10 3 AFNOR Standard Format GPS170PCI Date 12th July 2012 17...

Страница 21: ...ing Time set during daylight saving time 64 Timezone O set Sign sign of TZ o set 0 1 65 TZ O set binary encoded 1 66 TZ O set binary encoded 2 O set from IRIG time to UTC time 67 TZ O set binary encod...

Страница 22: ...IEEE1344 DC Code according to IEEE1344 1995 100 pps AM sine wave signal 1kHz carrier frequency BCD time of year SBS time of day IEEE1344 extensions for date timezone daylight saving and leap second in...

Страница 23: ...ulse duration 200 msec valid on rising edge PPO1 change of minute PPM pulse duration 200 msec valid on rising edge PPO2 DCF77 simulation ACCURACY OF PULSES better than 250 nsec after synchronization a...

Страница 24: ...lated sine wave optical power typ 15 W optical connector ST connector for GI 50 125 m or GI 62 5 125 m gradient ber POWER REQUIREMENT 5V 5 250mA 12V 5 190mA 12V 5 10mA delivered by PCI bus PHYSICAL DI...

Страница 25: ...free run one day 4 3 msec 865 s accuracy of me free run one year 16 sec 6 3 sec temperature dependant dri free run 1 10 6 20 70 C 2 10 7 0 60 C Note 1 The accuracy in Hertz is based on the standard f...

Страница 26: ...9 MHz CONVERTER local oscillator to converter frequency 10 MHz rst IF frequency 35 4 MHz POWER REQUIREMENTS 12V 18V 100mA provided via antenna cable CONNECTOR N Type female AMBIENT TEMPERATURE 40 65...

Страница 27: ...ile leap second uv clock status characters depending on clock type u GPS clock is running free without exact synchr PZF time frame not synchronized DCF77 clock has not synchronized after reset space 2...

Страница 28: ...y ASCII numbers whereas the other characters are part of the time string The groups of characters as de ned below x 0 or 1 corresponding on the number of the capture input _ ASCII space 20h dd mm yy t...

Страница 29: ...mm month 01 12 yy year of the century 00 99 w the 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 xxxx time zone indica...

Страница 30: ...t time hh hours 00 23 mm minutes 00 59 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 positio...

Страница 31: ...d to UTC oo oo o set of local timezone related to UTC in hours and minutes ac clock status characters a clock has not synchronized after reset space 20h clock has synchronized after reset c GPS receiv...

Страница 32: ...sition 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 WGS84 ellipsoid in m...

Страница 33: ...numbers whereas the other characters are part of the time string The groups of characters as de ned below yy mm tt the current date yy year of the century 00 99 mm month 01 12 dd day of month 01 31 _...

Страница 34: ...ctrical Business Equipment Electromagnetic compatibility EN50081 1 Electromagnetic compatibility EMC Generic emission standard Part 1 Residential commercial and light industry EN50082 2 Electromagneti...

Страница 35: ...kst rungen von A1 2000 A2 2003 informationstechnischen Einrichtungen Limits and methods of measurement of radio interference characteristics of information technology equipment EN55024 1998 Grenzwerte...

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