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10.2 IRIG Standard Format

Page 17

10.2 IRIG Standard Format

GPS170PEX

Date: 2009-06-24

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Summary of Contents for GPS170PEX

Page 1: ...MANUAL GPS170PEX Satellite controlled Radio Clock 2009 06 24 Meinberg Radio Clocks GmbH Co KG...

Page 2: ......

Page 3: ...owering up the system 13 8 Firmware updates 14 9 Skilled Service Personnel only Replacing the Lithium Battery 15 10 Time codes 16 10 1 The time code generator 16 10 2 IRIG Standard Format 17 10 3 AFNO...

Page 4: ...Meinberg 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 GPS170PEX...

Page 5: ...computer s system time synchronous to the received IRIG 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...

Page 6: ...satellites 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 n...

Page 7: ...B s per lane in each direction Higher bandwith is implemented by using multiple lanes silmutaneously A PCI Express x16 slot for example uses sixteen lanes providing a data volume of 4 GB s For compari...

Page 8: ...enna 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 timecode addr data optional lightning protec...

Page 9: ...e 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 supplied by the sate...

Page 10: ...o 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 are con gured with the moni tor program The activ...

Page 11: ...StartofMinute 0 1s R RFTransmissionviasecondaryantenna A1 Announcementofachangeindaylightsaving Z1 Z2 Timezoneidentification Z1 Z2 0 1 Daylightsavingdisabled Z1 Z2 1 0 Daylightsavingenabled A2 Announ...

Page 12: ...occurs during operation The 9 pin sub D connector is wired to the GPS170PEX s serial port COM0 Pin assignment can be seen from the gure beside This port can not be used as serial port for the computer...

Page 13: ...1 PPO0 PPS out RS232 8 2 RxD in RS232 3 TxD out RS232 4 PPO1 PPM out TTL 5 4 10MHz out TTL 10 5 GND 6 CAP0 in TTL 2 7 CAP1 in TTL 3 7 IRIG DC out TTL into 50 7 8 PPO0 PPS out TTL 4 9 PPO2 DCF out TTL...

Page 14: ...er unit to the receiver Cable thinner than RG58 should be avoided due to its higher DC resistance and RF attenuation When using the optional antenna diplexer the total length of one antenna line betwe...

Page 15: ...arth as short as possible by using the included mounting bracket Standard you connect the antenna converter directly with the antenna cable to the system free view to the equator Type N BNC male Type...

Page 16: ...er thus forcing the receiver to start scanning for satellites This mode is called Warm Boot because the receiver can obtain ID numbers of existing satellites from the valid almanac When the receiver h...

Page 17: ...rial 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 boo...

Page 18: ...ses to replace 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 t...

Page 19: ...dulated timecodes 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...

Page 20: ...10 2 IRIG Standard Format Page 17 10 2 IRIG Standard Format GPS170PEX Date 2009 06 24 17...

Page 21: ...Page 18 10 Time codes 10 3 AFNOR Standard Format 18 Date 2009 06 24 GPS170PEX...

Page 22: ...63 DST Daylight Saving 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...

Page 23: ...according to NFS 87500 100 pps wave signal 1kHz carrier frequency BCD time of year complete date SBS time of day Signal level according to NFS 87500 f IEEE1344 Code according to IEEE1344 1995 100 pps...

Page 24: ...red memory PULSE OUTPUTS three programmable outputs TTL level Default settings active only if sync PPO0 change of second PPS pulse duration 200 msec valid on rising edge PPO1 change of minute PPM puls...

Page 25: ...h or low selected by jumper optionally optical output instead of modulated 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 REQUIREME...

Page 26: ...f me free run one day 8 6 msec 1 8 msec accuracy of me free run one year 32 sec 13 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 stan...

Page 27: ...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 coax type N female AMBIENT TEMPERATURE 40...

Page 28: ...or 60 while 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...

Page 29: ...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 th...

Page 30: ...1 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 indic...

Page 31: ...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...

Page 32: ...elated 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 r...

Page 33: ...ition 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 me...

Page 34: ...CII 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 3...

Page 35: ...ding Electrical Business Equipment Electromagnetic compatibility EN50081 1 Electromagnetic compatibility EMC Generic emission standard Part 1 Residential commercial and light industry EN50082 2 Electr...

Page 36: ...ung nach ETSI EN 301 489 1 Ver 1 8 1 vom 18 04 2008 EMC in accordance with ETSI EN 301 489 1 Ver 1 8 1 published 2008 04 18 Electromagnetic compatibility and Radio spectrum Matters ERM ElectroMagnetic...

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