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Meinberg GPSGEN1575/MP, Руководство по эксплуатации

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GPSGEN1575/MP

Technical Information

Operating Instructions

Содержание GPSGEN1575/MP

Страница 1: ...GPSGEN1575 MP Technical Information Operating Instructions ...

Страница 2: ...Impressum Werner Meinberg Lange Wand 9 D 31812 Bad Pyrmont Phone 49 52 81 9309 0 Fax 49 52 81 9309 30 Internet http www meinberg de Email info meinberg de March 09 2010 ...

Страница 3: ...hronous serial ports 8 Enabling of outputs 9 Status Output 9 Installation 10 Power supply 10 Mounting the antenna 10 Assembly with CN UB E CN UB 280DC 11 Powering up the system 12 LEDs in the front panel 13 FAIL LED 13 LOCK LED 13 Skilled service personnel only Replacing the Lithium battery 14 Technical specifications GPSGEN1575 MP 14 Front rear panel connectors 14 Technical data error relay 15 CE...

Страница 4: ...is lost the setup program can be downloaded for free at http www meinberg de english sw gpsmon SUB D assignment 17 Connector assignments error relay Time Sync 17 Technical specifications GPSGEN1575 18 Format of the Meinberg Standard Time String 20 Format of the SAT Time String 21 Format of the Uni Erlangen String NTP 22 Format of the ABB SPA Time String 24 Signal description GPSGEN1575 25 Rear con...

Страница 5: ...easuring the propagation time of signals transmitted from satellites to the user s receiver A nominal constellation of 21 satellites together with several active spares in six orbital planes 20000 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 need to be received simultaneously if both receiver position x y z and receiv...

Страница 6: ...nverter GPSGEN1575 a GPS antenna diplexer GPSAV4 and a power supply unit T60B installed in a metal desktop case 19 1U and ready to operate The interfaces provided by GPSGEN1575 are accessible via connectors in the front or rear panel of the case Details of the components are described below Block diagram ...

Страница 7: ...cessor in order to track the GPS system time Compensation of the RF signal s propagation delay is done by automatical determination of the receiver s position on the globe A correction value computed from the satellites navigation messages increases the accuracy of the board s temperature compensated master oscillator TCXO and automatically compensates the TCXO s aging The last recent value is res...

Страница 8: ...stributes the signal from the antenna input to GPSGEN1575 internal and three IF outputs that are available via femaleBNC connectors in the rear panel These outputs can be used for synchronization of other Meinberg GPS receivers Pulse output The pulse generator of the converter GPSGEN1575 generates a high active TTL pulse per second PPS with a pulse duration of 1 msec The turn on slope of this puls...

Страница 9: ...tor program GPSMON32 the system can be configured to enable those outputs immediately after power up This option can be set for each group of signals pulses and serial interfaces seperately Status Output GPSGEN1575 provides an output indicating the status of time synchronization of the module This status is available as a relay output with changeover contact via a SUB D connector in the rear panel...

Страница 10: ...use of the satellite courses which are located between latitudes of 55 North and 55 South If even this is not possible problems occur especially when at least four satellites for positioning have to be found The unit can be mounted using a pole with a diameter up to 60 mm A standard coaxial cable with 50 Ω impedance e g RG58C should be used to connect the antenna converter unit to the receiver Cab...

Страница 11: ...11 Assembly with CN UB E CN UB 280DC ...

Страница 12: ...iver 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 has found four satellites in view it can update its new position and switch to Normal Operation If the almanac has been lost because the battery had been disconnected the receiver has to scan for a s...

Страница 13: ...t is low receiver is not synchronized LOCK LED The LOCK LED is turned on when after power up the receiver has acquired at least four satellites and has computed its position In normal operation the receiver position is updated continuously as long as at least four satellites can be received ...

Страница 14: ...ifications GPSGEN1575 MP HOUSING Metal desktop case MULTIPAC Schroff Front panel 1 U 84 HP 43 6 mm high 426 4 mm wide PROTECTION RATING IP20 PHYSICAL DIMENSIONS 482 6 mm wide x 43 7 mm high x 285 mm deep Front rear panel connectors Name Type Signal Cable COM0 9 pin SUB D RS 232 shielded data line COM1 9 pin SUB D RS 232 shielded data line Pulse output PPS 9 pin SUB D TTL into 50 Ω shielded coaxial...

Страница 15: ...48 VDC max SWITCHING CURRENT 500 mA max SWITCHING POWER 28 W SWITCHING TIME on time 3 msec off time 3 msec CE Label This device conforms to the directive 89 336 E approximation ofthe laws of the Member State Community relating to electromagnetc compa ...

Страница 16: ...16 Rear view GPSGEN1575 MP ...

Страница 17: ...7 SUB D assignment Connector assignments error relay Time Sync Relay on pin 7 8 are closed if synchronization has been achieve Relay off pin 6 7 are closed after reset or in case of serious erro 1 6 5 9 ...

Страница 18: ... dc insulated dielectric strength 1000V Length of cable refer to chapter Mounting the Antenna TIME TO SYNCHRO NIZATION one minute with known receiver position and valid almanac 12 minutes if invalid battery buffered memory PULSE OUTPUT change of second PPS TTL level pulse duration 1 msec accurracy better than 250 nsec after synchronization and 20 minutes of operation better than 2 µsec during the ...

Страница 19: ...0 Framing 7N2 7E1 7E2 8N1 8N2 8E1 default setting COM0 19200 8N1 COM1 9600 8N1 POWER REQUIREMENTS 5V 5 550 mA PHYSICAL DIMENSION Eurocard 100 mm x 160 mm 1 5 mm Epoxy REAR EDGE CONNECTOR according to DIN 41612 type C 64 rows a c male AMBIENT TEMPERATURE 0 50 C HUMIDITY 85 max ...

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 DCF77 or GPS receivers DCF77 clock currently runs on XTAL GPS receiver has not checked its position space 20h DCF77 clock is sync d with transmitter GPS receiver has determined its position x time zon...

Страница 21: ...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 indicator UTC Universal Time Coordinated formerly GMT MEZ European Standard Time daylight saving disabled MESZ European Summertime daylight saving enabled u clock status characters clock has not synchronized after reset space 20h clock h...

Страница 22: ... 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 characters a clock has not synchronized after reset space 20h clock has synchronized after reset c GPS receiver has not checked its position space 20h GPS receiver has determined its position d time zone ...

Страница 23: ...haracter 20h n latitude the following characters are possible N north of equator S south d 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 ...

Страница 24: ...s whereas the other characters are part of the time string The groups of characters as defined below yy mm tt the current date yy year of the century 00 99 mm month 01 12 dd day of month 01 31 _ Space ASCII code 20h hh mm ss fff the current time hh hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second fff milliseconds 000 999 cc Check sum EXCLUSIVE OR result of the previous charact...

Страница 25: ...utput TTL level P_SEC out 6c Pulse when second changes TTL level active high length 1 msec DCF_MARK out 17c DCF77 compatible second marks TTL level active high length 100 200 msec TIME_SYN out 19c TTL output HIGH level if synchronization has been achieved LOW level after reset or in case of serious errors e g antenna faulty COMx TxD out 26c 24c COMx RS 232 transmit data output COMx RxD in 30c 29c ...

Страница 26: ...3 3 2 L S B 6 t u o C E S _ P 7 8 9 0 1 1 1 2 1 t u o z H M 0 1 3 1 4 1 5 1 6 1 7 1 t u o K R A M _ F C D 8 1 9 1 t u o N Y S _ E M I T 0 2 1 2 2 2 3 2 4 2 t u o D x T 1 M O C 5 2 6 2 t u o D x T 0 M O C 7 2 8 2 9 2 n i D x R 1 M O C 0 3 n i D x R 0 M O C 1 3 D N G 2 3 D N G D N G male connector according to DIN 41612 type C 64 rows a c ...

Страница 27: ...C 47 63Hz 1A 230V 2A 115V FUSE elektronic CURRENT LIMITING 105 150 Iout nom OUTPUTS Vout1 5 05V 5A Vout2 12V 2 5A Vout3 12V 0 5A TOTAL LOAD max 61Watt CONNECTORS screw terminal HOUSING metal housing 159mm x 97mm x 38mm AMBIENT TEMPERATURE 10 C 60 C HUMIDITY 90 max ...

Страница 28: ...quency 1575 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 AMBIENT TEMPERATURE 40 65 C HOUSING ABS plastic case for outdoor installation IP56 PHYSICAL DIMENSION ...

Страница 29: ...erial 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 parameters for communicati on Select the menu item Enforce Connection in menu Connection and click Start in the appearing window Some firmware versions of GPS170SV do not support this way of setting up a connection If Enforce Connection doesn t succeed app...

Страница 30: ...tarted by clicking the menu item Help in menu Help In every program window a direct access to a related help topic can be obtained by pressing F1 The help language can be selected by clicking the menu items Deutsch Englisch in the Help Menu ...

Страница 31: ...31 ...

Страница 32: ...GP S GE N MP E 0 9 0 3 1 0 ...

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