Meinberg GPS167LCD-MP, Operating Instructions Manual

Page 1: ...Technical Information Operating Instructions FUNKUHREN GPS167LCD MP ...

Page 2: ...Impressum Werner Meinberg Auf der Landwehr 22 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 September 23 2004 ...

Page 3: ...synchronous Serial Ports 10 DCF77 Emulation 11 Installation 12 Mounting the Antenna 12 Assembly with CN UB E 13 Antenna Short Circuit 14 Powering Up the System 14 The Front Panel Layout 15 FAIL LED 15 LOCK LED 15 LC Display 15 MENU Key 15 CLR ACK Key 15 NEXT Key 16 INC Key 16 The Menus in Detail 16 Root Menu 16 Menu RECEIVER POS 17 Menu SV CONSTELLATION 17 Menu SV POSITION 18 ...

Page 4: ... PARMS 25 FORCE BOOT MODE 25 ANTENNA CABLE 26 Resetting Factory Defaults 26 Firmware Updates 27 Skilled Service Personnel only Replacing the Lithium Battery 27 Technical Specifications GPS167LCD MP 28 Front Rear Panel Connectors 28 Rear View GPS167LCD MP 29 Pin Assignments of the SUB D Connectors 30 CE Label 30 Technical Specifications GPS167 OCXO LQ 31 Technical Specifications GPS167 Antenna 34 T...

Page 5: ... 38 Format of the NMEA 0183 String RMC 40 Format of the ABB SPA Time String 41 Format of the Computime Time String 42 Signal Description GPS167 44 Rear Connector Pin Assignments GPS167 45 Technical Specifications Power Supply T 60B 46 Menu Quick Reference GPS167LCD MP 47 ...

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Page 7: ...n 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 receiver clock offset from GPS system time must be computed All the satellites are monitored by control stations which d...

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Page 9: ...curate component of the position This inaccuracy is caused by the operator United States Departement of Defense and not by the GPS167 but it has no influence on the accuracy of the generated time The navigation message coming in from the satellites is decoded by GPS167 s microprocessor in order to track the GPS system time Compensation of the RF signal s propagation delay is done by automatical de...

Page 10: ...ls down to less than 1 5 msec can be recorded or a continuous stream of events at a lower rate depending on the transmission speed of COM0 or COM1 can be measured The format of the output string is ASCII see the technical specifications at the end of this document for details If the capture buffer is full a message capture buffer full is transmitted if the interval between two captures is too shor...

Page 11: ...lightsaving Z1 Z2 Timezoneidentification Z1 Z2 0 1 Daylightsavingdisabled Z1 Z2 1 0 Daylightsavingenabled A2 Announcementofaleapsecond S Startoftimecodeinformation P1 P2 P3 Evenparitybits 0 10 20 30 40 50 R M 1 4 2 1 20 10 8 4 2 1 P 2 2 0 1 0 8 4 2 1 2 4 8 10 1 2 4 8 1 0 2 0 4 0 8 0 P 3 A1 Z1 Z2 A2 S 1 2 4 8 1 0 2 0 4 0 P 1 Minute reserved Hour Day of Month Day of Week Year of the Century Month of...

Page 12: ...p to 60 mm or at a wall A 50cm plastic tube two holders for wall mounting and clamps for pole mounting are added to every GPS167 A standard coaxial cable with 50 ohms impedance should be used to connect the antenna converter unit to the receiver The maximum lenght of cable between antenna and receiver depends on the attenuation factor of the used coaxial cable Example Type of cable diameter Ø mm A...

Page 13: ...ale type N male type N male N Norm 30m 20m Max total cable length 250m 10MHz SWITCHED 2 048MHz SWITCHED PULSE OUTPUT COM1 COM0 TIME CAPTURE RS 232 RS 232 ANTENNA 100 240V AC 50 60 Hz FUSE 5V 2A SB Rückansicht GPS167 mit LCD im 1HE Multipac Gehäuse MTP R_LCD_V1 10 05 01 ...

Page 14: ... single satellite needs to be received to synchronize and generate output pulses so synchronization can be achieved maximally two minutes after power up After 20 minutes of operation the OCXO is full adjusted and the generated frequencies are within the spezified tolerances If the receiver position has changed by some hundred kilometers since last operati on the satellites real elevation and doppl...

Page 15: ...n LC Display The 2 x 40 character LC display is used to show the receiver s status and let the user edit parameters The keys described below let the user select the desired menu The next chapter lists all available menus in detail A quick reference of the available menus and submenus can be found at the end of this document MENU Key This key lets the user step through several display menus showing...

Page 16: ...ion after power up The first line of the display shows the receiver s mode of operation as described above The text NORMAL OPERATION might be replaced by COLD BOOT WARM BOOT UPDATE ALMANAC If the antenna is disconnected or not working properly the text ANTENNA FAULTY is displayed instead GPS NORMAL OPERATION Wed 09 05 2001 MESZ 10 04 10 At the end of the two lines the day of the week the current d...

Page 17: ...ves an overview of the current satellites SVs in view The second line of the display shows the number of satellites with an elevation of 5 or more In view the number of satellites that can be used for navigation Good and the selected set of satellites which are used to update the receiver position Sel SATELLITE CONSTELLATION In view 9 Good 8 Sel 3 19 26 13 The precision of the computed receiver po...

Page 18: ... Menu GOOD SVS 24HOURSS MIN MAX This menu shows the maximum number as well as the minimum number of good satellites during the last 24 hours Pressing CLR ACK sets both values to the present number of good satellites GOOD SVS 24 HOURS MIN MAX MIN SVS 4 MAX SVS 12 Menu USER CAPTURE The time of the last recent capture event is displayed in this menu The time zone depends on the parameters entered in ...

Page 19: ...or If changes have been made the CLR ACK key must be pressed in order to save those changes in the battery buffered memory otherwise all changes are discarded when the user presses the MENU key in order to return to the SETUP display SETUP ENABLE OUTPUTS This menu lets the user configure at which time after power up the serial ports pulse outputs and frequency synthesizer output are to be enabled ...

Page 20: ...daylight saving may either be defined by exact dates for a single year or using an algorithm which allows the receiver to recompute the effective dates year by year The figures below show how to enter parameters in both cases If the number of the year is displayed as wildcards a day of week must be specified Then starting from the configured date daylight saving changes the first day which matches...

Page 21: ...bmenus see fig below In addition identical offsets for DAYLIGHT SAV ON OFF should be configured in the submenu TIMEZONE DAYLIGHT SAV ON Date 26 03 2000 Day Of Week Time 2 00 00 DAYLIGHT SAV OFF Date 26 03 2000 Day Of Week Time 2 00 00 DAYLIGHT SAVING OFF TIME 08 00h DAYLIGHT SAVING ON 08 00h TIME Example for a region without daylight saving time and with a local time offset of 8 hours to UTC ...

Page 22: ...ing Factory Defaults is executed the serial port parameters are reset to default values only if invalid parameters have been configured SETUP SERIAL PORT PARMS COM0 19200 8N1 COM1 9600 8N1 SETUP SERIAL STRING TYPE This topic is used to select one of several different types of serial time strings or the capture string for each serial port Default parameters are COM0 Meinberg COM1 Uni Erlangen SETUP...

Page 23: ...ime string is selected it can be sent automatically Per Second Per Minute or only On Request sending an ASCII to the clock When the capture string is selected it can be sent automatically when a trigger event occurs String Auto or only On Request sending an ASCII to the clock If capture message On Request is selected it is the user s responsibility to read out the capture buffer by sending an ASCI...

Page 24: ...6 N Lon 9 13 30 E Al 110m SETUP INITIAL TIME If the receiver s on board real time clock keeps a wrong time the receiver is unable to compute the satellites correct elevation angles and dopplers This submenu enables the user to change the receiver s system time for initialization After the receiver has locked its real time clock will be adjusted using the information from the satellites SETUP INITI...

Page 25: ...e you sure Press INC YES MENU NO FORCE BOOT MODE This menu lets the user force the receiver into the Boot Mode This may be necessary when the satellite datas in the memory are too old or the receiver position has changed by some hundred kilometers since last operation Syncronisation time may be reduced significant If there is valid satellite data in the memory the system starts in the WARM BOOT mo...

Page 26: ... be entered is 500m only with low loss cable SETUP ANTENNA CABLE SETUP ANTENNA CABLE LENGTH 020 m Resetting Factory Defaults If both the NEXT key and the INC key on the front panel are pressed while the system is powered up the battery buffered memory is cleared and user definable parameters are reset to factory defaults The key should be held until the root menu is displayed on LCD Due to the fac...

Page 27: ...nts of the program memory will not be modified until the loader program has sent the command to erase the flash memory So if the MENU key is pressed unintentionally while the system is powered up the firmware will not be changed accidentially After the next power up the system will be ready to operate again Skilled Service Personnel only Replacing the Lithium Battery The life time of the lithium b...

Page 28: ...de x 43 7 mm high x 285 mm deep Front Rear Panel Connectors Name Type Signal Cable COM0 9 pin SUB D RS232 shielded data line COM1 9 pin SUB D RS232 shielded data line Time Capture 9 pin SUB D TTL input shielded line Error Relay on time capt conn Relay change over contact Antenna Coax type N 35 4 MHz 10 Mhz shielded coaxial line Power supply power cord receptacle 90 260V power supply cord ...

Page 29: ...29 Rear View GPS167LCD MP COM3 RS 232 5 9 1 6 10MHz switched switched 48kHz PULSE OUTPUT COM1 COM0 TIME CAPTURE RS 232 RS 232 ANTENNA 100 240V AC 50 60 Hz 1 6 5 9 5 9 1 6 5 9 1 6 ...

Page 30: ... the SUB D Connectors 1 6 5 9 1 6 5 9 1 6 5 9 CE Label This deviceconforms to the directive 89 336 EWGon the approximation of the laws of the Member States ofthe European Community relating to electromagnetc compatibility ...

Page 31: ...ble refer to chapter Mounting the Antenna LC DISPLAY 2 x 40 character menu selectable by push buttons TIME TO SYNCHRO NIZATION max 2 minutes with known receiver position and valid almanac 12 minutes if invalid battery buffered memory PULSE OUTPUTS change of second P_SEC TTL level change of minute P_MIN TTL level ACCURACY OF PULSES better than 250 nsec after synchronization and 20 minutes of operat...

Page 32: ...e running 3 10 9 TEMPERATURE DRIFT free running 2 10 7 SSB PHASE NOISE 10 kHz beside carrier 101 dB Hz 1 kHz beside carrier 76 dB Hz 100 Hz beside carrier 60 dB Hz TIME_SYN OUTPUT TTL HIGH level if synchronized SERIAL PORTS 2 asynchronous serial ports RS 232 Baud Rate 300 up to 19200 Framing 7N2 7E1 7E2 8N1 8N2 8E1 default setting COM0 19200 8N1 COM1 9600 8N1 TIME CAPTURE INPUTS triggered on falli...

Page 33: ...33 PHYSICAL DIMENSION Eurocard 100 mm x 160 mm REAR EDGE CONNECTOR according to DIN 41612 type C 64 rows a c male RF CONNECTOR coaxial BNC AMBIENT TEMPERATURE 10 50 C HUMIDITY 85 max ...

Page 34: ...y 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 ...

Page 35: ... 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 20h GPS clock is synchronous base accuracy is reached PZF time frame is synchronized DCF77 clock has synchronized after reset v GPS receiver has not checked its position PZF DCF77 clock currently runs on XTAL space 20h GPS re...

Page 36: ...mbers whereas the other characters are part of the time string The groups of characters as defined below x 0 or 1 corresponding on the number of the capture input _ ASCII space 20h dd mm yy the capture date dd day of month 01 31 mm month 01 12 yy year of the century 00 99 hh mm ss fffffff the capture time hh hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second fffffff fractions of...

Page 37: ...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...

Page 38: ... 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 ...

Page 39: ...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 ...

Page 40: ...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 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 d equator lllll ll longitude of receiver position in degrees leading signs are replaced by a sp...

Page 41: ... 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 characte...

Page 42: ...ed in italics are replaced by ASCII numbers whereas the other characters are part of the time string The groups of characters as defined below T Start character yy mm dd the current date yy year of the century 00 99 mm month 01 12 dd day of month 01 31 ww the day of the week 01 07 01 monday hh mm ss the current time hh hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second CR Carria...

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Page 44: ...utput TTL Pegel 10 MHz out 12a 10 MHz frequency output TTL Pegel F_SYNTH 21c Synthesizer output TTL Pegel F_SYNTH_OD 22c Synthesizer output Open Drain max sink current to GND 150mA F_SYNTH_SIN 23c Synthesizer output sine wave 1 5 V eff TIME_SYN 19c TTL output HIGH level if synchronization has been achieved LOW level after reset or in case of serious errors e g antenna faulty CAPx 27c 28c Time capt...

Page 45: ...e1 out 12 10 MHz out ProgPulse2 out 13 SCL 14 SCL_EN 15 COM2 RxD in SDA 16 COM2 TxD out reserved P3 2 17 COM3 RxD in DCF_MARK out 18 COM3 TxD out reserved Vref TxD2 TTL 19 GND TIME_SYN out 20 GND reserved P2 3 21 GND F_SYNTH out 22 GND F_SYNTH_OD out 23 GND F_SYNTH_SIN out 24 GND COM1 TxD out 25 GND 26 GND COM0 TxD out 27 GND CAP1 in 28 GND CAP0 in 29 GND COM1 RxD in 30 GND COM0 RxD in 31 GND GND ...

Page 46: ...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 ...

Page 47: ...UTPUTS Serial if sync Pulses if sync SETUP TIME ZONE DAYLIGHT SAVING OFF MEZ 01 00h DAYLIGHT SAVING ON MESZ 02 00h SETUP DAYLIGHT SAV ON DAYLIGHT SAV ON Date 25 03 Day Of Week SUN Time 2 00 00 SETUP DAYLIGHT SAV OFF DAYLIGHT SAV OFF Date 25 10 Day Of Week SUN Time 3 00 00 SETUP SERIAL PORT PARMS COM0 19200 8N1 COM1 19200 8N1 COM2 19200 8N1 SETUP SER STRING TYPE SETUP SER STRING MODE COM2 Meinbg St...

Page 48: ...GP S 1 6 7 _ L C D_ MP E 2 3 0 9 0 4 ...