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Meinberg GPS167TGP, Operating Instructions Manual

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Meinberg GPS167TGP Operating Instructions Manual Download Page 32

32

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 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 the length of the antenna cable. The received time
frame is delayed by approx. 5ns per meter antenna cable. The receiver is able to
compensate this delay if the exact cable length is given. The default value is 20m. The
maximum value that can be entered is 500m (only with low loss cable).

Summary of Contents for GPS167TGP

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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 sa...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 49: ...49 AFNOR Standard Format...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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_...

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

Page 57: ...57 Technical appendix...

Page 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...

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

Page 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...

Page 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...

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

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