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Meinberg GPS167TGP, Руководство по эксплуатации

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9

GPS167 Features

The hardware of GPS167 is a 100mm x 160mm microprocessor board. The 105mm
wide front panel integrates a 4 x 16 character LC display, two LED indicators and 4
push buttons. The receiver is connected to the antenna/converter unit by a 50 ohm
coaxial cable (refer to "Mounting the Antenna"). Feeding the antenna/converter oc-
curs DC insulated via the antenna cable. Optional an antenna splitter for up to four
receivers connected to one antenna is available.

GPS167 is using the "Standard Positioning Service" SPS. 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 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 oven controlled master oscillator (OCXO)

 

and automatically compensates the

OCXO´s aging. The last recent value is restored from the battery buffered memory at
power-up.

The GPS167 provides different optional outputs, i.e. three progammable pulse

outputs, modulated/unmodulated timecode output, and up to a total of four RS232
COM ports. Additionally, you can order the GPS167 with different OCXOs (e.g.
OCXO-LQ / MQ / HQ or an external Rubidium) to match the required accuracy.

The hard- and software configuration of the clock is dis-

played if the NEXT key is pressed two times from the root

menu.

Содержание GPS167TGP

Страница 1: ...Technical Information Operating Instructions GPS167TGP AP336 505...

Страница 2: ...Impressum Meinberg Funkuhren GmbH Co KG Auf der Landwehr 22 D 31812 Bad Pyrmont Phone 49 0 52 81 9309 0 Fax 49 0 52 81 9309 30 Internet http www meinberg de Email info meinberg de May 05 2006...

Страница 3: ...synchronous Serial Ports optional 4x COM 11 DCF77 Emulation 12 Programmable pulse optional 13 Timecode outputs optional 13 Abstract 13 Installation 14 Power Supply 14 Mounting the Antenna 14 Antenna S...

Страница 4: ...T SAV ON OFF 24 SETUP SERIAL PORT PARM 25 SETUP SERIAL STRING TYPE 26 SETUP SERIAL STRING MODE 26 SETUP POUT X optional 27 Mode 27 Timer mode 27 Single Pulse 28 Cyclic mode 28 PPS PPM PPH Modes 28 Men...

Страница 5: ...he Uni Erlangen String NTP 42 Format of the NMEA 0183 String RMC 44 Format of the ABB SPA Time String 45 Format of the Computime Time String 46 Timecode optional 47 Principle of Operation 47 Block Dia...

Страница 6: ...58 Rear Panel Connectors 58 CE Label 58 Rear panel view GPS167TGP 59 SUB D Connector Assignments 60 Connector Assignment Error Relais Time Sync 60 Technical Specifications Power Supply Unit PULS AP33...

Страница 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 sa...

Страница 8: ...r with a power supply unit PULS AP336 505 both installed in a metal desktop case and ready to operate The interfaces provided by GPS167 are accessible via connectors in the rear panel of the case Deta...

Страница 9: ...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 navigati...

Страница 10: ...uded synthesizer generates a frequency from 1 8 Hz up to 10 MHz synchronous to the internal timing frame The phase of this output can be shifted from 360 to 360 for frequencies less than 10 kHz Both f...

Страница 11: ...ures is too short the warning capture overrun is being sent Asynchronous Serial Ports optional 4x COM Four asynchronous serial RS232 interfaces COM0 COM3 are available to the user In the default mode...

Страница 12: ...htsaving Z1 Z2 Timezoneidentification Z1 Z2 0 1 Daylightsaving disabled Z1 Z2 1 0 Daylightsaving enabled A2 Announcementof aleap second S Startoftime code information P1 P2 P3 Even parity bits 0 10 20...

Страница 13: ...of data The definition of time code formats was completely arbitrary and left to the individual ideas of each design engineer Hundreds of different time codes were formed some of which were standardi...

Страница 14: ...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 ant...

Страница 15: ...ing message appears in the display If this message appears the clock has to be disconnected from the mains and the defect is to eliminate After that the clock can be powered up again The antenna suppl...

Страница 16: ...vervoltage protector CN UB E is available Standard you connect the antenna converter directly with the antenna cable to the system Type N BNC male Type N male Type N male CN UB E 1 5m max Type N male...

Страница 17: ...expected by the receiver 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 alman...

Страница 18: ...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...

Страница 19: ...d or not working properly the text ANTENNA FAULTY is displayed instead The next two lines display the current date the name of the time zone as defined in the setup menu and local time The last line s...

Страница 20: ...wing other receiver s infos Meaning of the abbreviations and adjusted standard value PROUT 0 programmable pulse standard 0 not available optional 3 until three prog pulse NCOM 2 serial interface stand...

Страница 21: ...tes SVs in view The second line of the display shows the number of satellites with an elevation of 5 or more The third line gives the number of satellites that can be used for navigation whereas the l...

Страница 22: ...or Cap Buffer Full is displayed in the second line it can be acknowledged pressing the CLR ACK key Menu SETUP From this menu several topics can be selected which let the user edit parameters or force...

Страница 23: ...synthesizer is disabled The last line of the display lets the user enter the phase of the generated frequency from 360 to 360 with a resolution of 0 1 Increasing the phase lets the signal come out lat...

Страница 24: ...t 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 th...

Страница 25: ...ing time and with a local time offset of 8 hours to UTC SETUP SERIAL PORT PARM Using this topic the user can enter transmission speed and framing of each serial port Default parameters are COM0 19200...

Страница 26: ...TUP SERIAL STRING MODE This menu lets the user select the serial ports mode of operation The possible modes depend on the selected output string If a time string is selected it can be sent automatical...

Страница 27: ...imes are programmable for each output If a switching time has to be configured only the turn on and turn off time must be programmed Thus the example shows switching times from 10 50 to 11 00 13 00 to...

Страница 28: ...0 00 o clock local time so the first pulse of a day always occurs at midnight A cycle time of 2 seconds for example would cause pulses at 0 00 00 0 00 02 0 00 04 etc Basically it is possible to enter...

Страница 29: ...29 Menu Quick Reference for progr Pulse CLR ACK CLR ACK INC MODE AKTIV MENU NEXT NEXT...

Страница 30: ...clock Whenever the selected timecode carries TFOM it can be blanked by selecting disable TFOM This feature can be helpful for testing when the connected IRIG reader evaluates TFOM SETUP INITIAL POSIT...

Страница 31: ...be adjusted using the information from the satellites INIT USER PARMS This menu lets the user set all parameters back to the default settings The user has to acknowledge this menu again before the ini...

Страница 32: ...nt If there are valid satellite datas in the memory the system starts in the WARM BOOT mode otherwise the system changes into COLD BOOT to read new datas ANTENNA CABLE This menu asks the user to enter...

Страница 33: ...he serial port COM0 There is no need to open the metal case and insert a new EPROM If the MENU key on the front panel is pressed while the system is powered up a bootstrap loader is actived and waits...

Страница 34: ...explosion in case of inadequate replacement of the lithium battery Only identical batteries or batteries recommended by the manufacturer must be used for replacement The waste battery must be disposed...

Страница 35: ...ng the Antenna LC DISPLAY 4x16 character menu selectable by push buttons TIME TO SYNCHRO NIZATION one minute with known receiver position and valid almanac 12 minutes if invalid battery buffered memor...

Страница 36: ...age 1 5 V eff output impedance 200 Ohm TIME_SYN OUTPUT TTL HIGH level if synchronized SERIAL PORTS max 4 asynchronous serial ports RS 232 Baud Rate 300 up to 19200 Framing 7N2 7E1 7E2 8N1 8N2 8E1 defa...

Страница 37: ...1 10 E 6 10 Hz Note 1 4 10 E 7 4 Hz Note 1 1 10 E 7 1 Hz Note 1 5 10 E 8 0 5 Hz Note 1 accurracy GPS synchronous averaged 24 h 1 10 E 11 1 10 E 11 5 10 E 12 1 10 E 12 phase noise 1 Hz 10 Hz 100 Hz 1...

Страница 38: ...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 39: ...e 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 20h...

Страница 40: ...s 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 da...

Страница 41: ...th 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 indicator UTC...

Страница 42: ...rent time hh hours 00 23 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 minu...

Страница 43: ...aracter 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...

Страница 44: ...urs 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 position in degrees...

Страница 45: ...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 A...

Страница 46: ...by ASCII numbers whereas the other characters are part of the time string The groups of characters as defined below T Start character sending with one bit occuracy at change of second yy mm dd the cu...

Страница 47: ...dula ted code it also provides the unmodulated DC Level shift code The modulated sine wave carrier and the board s internal time pattern are derived from the radio clock s disciplined oscillator Block...

Страница 48: ...48 IRIG Standard Format x 3x TYPICAL MODULATED CARRIER IRIG A 10000 Hz IRIB B 1000 Hz binary 0 binary 1...

Страница 49: ...49 AFNOR Standard Format...

Страница 50: ...Time set during daylight saving time 64 Timezone Offset Sign sign of TZ offset 0 1 65 TZ Offset binary encoded 1 Offset from IRIG time to UTC time Encoded IRIG time plus TZ Offset equals UTC at all ti...

Страница 51: ...ear SBS time of day d B123 100pps AM sine wave signal 1 kHz carrier frequency BCD time of year SBS time of day e AFNOR Code according to NFS 87500 100pps AM sine wave signal 1kHz carrier frequency BCD...

Страница 52: ...r power up TFOM 1111 For testing purposes the output of TFOM in IEEE1344 mode can be disabled The segment is then set to all zeros Outputs The module GPS167 TC provides modulated and unmodulated DC Le...

Страница 53: ...53 Technical Data Outputs Unbalanced AM sine wave signal 3VPP MARK 1VPP SPACE into 50 PWM signal TTL high and low active...

Страница 54: ...ncy output TTL level TIMECODE DC 13a Timecode unmod out TIMECODE AM 14a Timecode mod out 3Vpp DCF_MARK out 17c DCF77 compatible second marks TTL level active high length 100 200 msec TIME_SYN 19c TTL...

Страница 55: ...z out ProgPulse2 out 13 TIME CODE DC out SCL 14 TIME CODE AM out 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_...

Страница 56: ...56 Menu Quick Reference GPS167 CLR ACK CLR ACK MENU NEXT...

Страница 57: ...57 Technical appendix...

Страница 58: ...0MHz Option BNC TTL via 50 Ohm shielded coaxial line pulse outputs and F_SYNTH 9 pin SUB D TTL via 50 Ohm shielded line Time Capture 9 pin SUB D TTL input shielded line Error Relay on time capt conn R...

Страница 59: ...59 Rear panel view GPS167TGP 1 14 13 25 1 14 13 25 Made in Germany...

Страница 60: ...60 SUB D ConnectorAssignments 1 14 13 25 1 14 13 25 1 6 5 9 1 6 5 9 Connector Assignment Error Relais Time Sync 1 6 5 9...

Страница 61: ...TOTAL SAVE LOAD max 35Watt TYPE OF CONNECTOR male connector according to DIN 41612 type H15 pre mating protective contact MOUNTING FRAME 19 module 3U 9HP 128 mm high x 45 mm wide according to DIN 4149...

Страница 62: ...GP S 1 6 7 _ TGP E 0 5 0 5 0 6...

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