Meinberg GPS170LCD-MP Manual do Utilizador

Technical InformationOperating InstructionsGPS170LCD-MPIncl. Windows SoftwareGPSMON32

10Time Zone and Daylight SavingGPS system time differs from the universal time scale UTC (Universal Time Coordi-nated) by the number of leap seconds w

11Time Capture InputsTwo time capture inputs called User Capture 0 and 1 are provided at the rear connector(CAP0 and CAP1) to measure asynchronous tim

12DCF77 EmulationThe GPS170 satellite controlled clock generates TTL level time marks (active HIGH)which are compatible with the time marks spread by

13Programmable pulse (optional)At the male connector Typ VG64 there are three programmable TTL outputs (ProgPulse 0-2), which are arbitrarily programm

14InstallationPower SupplyThe power supply used GPS170_LCD_MP see "Technical Appendix" at the end ofthis manual.Mounting the AntennaThe GPS

15Antenna Short-CircuitIn case of an antenna line short-circuit the following message appears in the display:ANTENNA SHORT-CIRCUIT DISCONNECT POWE

16Assembly with CN-UB/E (optional)Optional the overvoltage protector CN-UB/E is available. Standard you connect theantenna converter directly with the

17Powering Up the SystemIf both the antenna and the power supply have been connected the system is ready tooperate. About 10 seconds after power-up th

18The Front Panel LayoutFAIL LEDThe FAIL LED is turned on whenever the TIME_SYN output is low (receiver is notsynchronized).LOCK LEDThe LOCK LED is tu

19NEXT KeyWhen editing parameters (LCD cursor is visible) this key moves the cursor to the nextdigit rsp. to the next parameter to be edited. If the c

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20"...(drft)" The frequency is generated and the phase was already syn-chronous to the pulse output P_SEC, but in the moment thep

21Menu RECEIVER POS.This menu shows the current receiver position. The NEXT key lets the user select oneof three formats. The default format is geogra

22Menu SV POSITIONThis menu gives information on the currently selected satellite (SV). The satellite´s IDnumber, its elevation, azimuth and distance

23SETUP FREQUENCY OUTPUT (optional)This setup menu lets the user edit the frequency and phase to be generated by the on-board synthesizer. Frequencies

24SETUP ENABLE OUTPUTSThis menu lets the user configure at which time after power up the serial ports, pulseoutputs, and frequency synthesizer output

25SETUP DAYLIGHT SAV ON/OFFThe two topics let the user enter the range of date for daylight saving to be in effect.Concerning parameter input both top

26DAYLIGHT SAV ON Date: 26.03.2000Day Of Week: *** Time: 2:00:00DAYLIGHT SAV OFF Date: 26.03.2000Day Of Week: *** Time: 2:00:00DAYLIGHT

27SETUP SERIAL STRING TYPEThis topic is used to select one of several different types of serial time strings or thecapture string for each serial port

28SETUP SERIAL STRING MODEThis menu lets the user select the serial ports´ mode of operation. The possible modesdepend on the selected output string.

29Timer modePOUT x MODE: POUT TIMER AKT.: High TIME 1(-3)Time 1 ON : 10:50:00 OFF: 11:00:00Time 2 ON :

Table of ContentsImprint ... 2General Information ...

30Cyclic modeCyclic mode is used for generating periodically repeated pulses.POUT x MODE: CYCL. PULS AKT.: High LNG.: 00.10 sec

31Menu Quick Reference for progr. PulseCLR/ACK CLR/ACKMODEAKTIVINCMENUNEXTNEXTSETUP: POUT 1SETUP: POUT 2SETUP: POUT 3POUT 1 M ODE: P OUT

32SETUP TIMECODE SETTINGS (optional)This menu lets the user select the Time codes to be generated by GPS170. Most IRIGcodes do not carry any time zone

33SETUP INITIAL TIMEIf the receiver´s on-board real time clock keeps a wrong time the receiver is unable tocompute the satellites´ correct elevation a

34FORCE BOOT MODEThis menu lets the user force the receiver into the Boot Mode. This may be necessarywhen the satellite datas in the memory are too ol

35Resetting Factory DefaultsIf both the NEXT key and the INC key on the front panel are pressed while the systemis powered up the battery buffered mem

36Skilled/Service-Personnel only: Replacing the Lithium BatteryThe life time of the lithium battery on the board is at least 10 years. If the need ari

37Technical Specifications GPS170RECEIVER: 6 channel C/A code receiver with externalantenna/converter unitANTENNA: Antenna/converter unit with remote

38FREQUENCYSYNTHESIZER: 1/8 Hz up to 10 MHzACCURACY OFSYNTHESIZER: base accuracy depends on system accuracy1/8 Hz to 10 kHz Phase syncron with pulse o

39POWERREQUIREMENTS: 5V ± 5%, max. @1100mA (see oscilatorspecifikations)REAR EDGECONNECTOR: according to DIN 41612, type C 64, rows a+c (male)RF CONNE

The Menus in Detail ... 19Root Menu ...

40Oscillator specificationsAccuracy of time and frequency outputs of Meinberg GPS- and DCF77 (PZF) receiverswith different oscillator optionsTCXO OCXO

41Technical Specifications GPS170 AntennaANTENNA: dielectrical patch antenna, 25 x 25mmreceive frequency: 1575.42 MHzbandwidth: 9 MHzCONVERTER: local

42Time StringsFormat of the Meinberg Standard Time StringThe Meinberg Standard Time String is a sequence of 32 ASCII characters startingwith the STX (

43Format of the Meinberg Capture StringThe Meinberg Capture String is a sequence of 31 ASCII characters terminated by aCR/LF (Carriage Return/Line Fee

44Format of the SAT Time StringThe SAT Time String is a sequence of 29 ASCII characters starting with the STX(start-of-text) character and ending with

45Format of the Uni Erlangen String (NTP)The time string Uni Erlangen (NTP) of a GPS clock is a sequence of 66 ASCIIcharacters starting with the STX (

46i leap second insertion‘L’ leap second is actually inserted(active only in 60th sec.)‘ ‘ (space, 20h) no leap second is insertedbbb.bbbb latitude of

47Format of the NMEA 0183 String (RMC)The NMEA String is a sequence of 65 ASCII characters starting with the ‘$’ characterand ending with the characte

48Format of the ABB SPA Time StringThe ABB SPA Time String is a sequence of 32 ASCII characters starting with thecharacters ">900WD" and

49Format of the Computime Time StringThe Computime time string is a sequence of 24 ASCII characters starting with the Tcharacter and ending with the L

Resetting Factory Defaults ... 35Firmware Updates ...

50Time code (optional)Principle of OperationThe Board GPS170 has been designed for the generation of IRIG, AFNOR andIEEE1344 standard time codes. Apar

51IRIG Standard Formatx 3xTYPICAL MODULATED CARRIER IRIG-A : 10000 HzIRIB-B : 1000 Hzbinary 0 binary 1

52AFNOR Standard Format

53Assignment of CF Segment in IEEE1344 modeBit No. Designation Description49Position Identifier P550 Year BCD encoded 1low nibble of BCD encoded year5

54Generated Time codesBesides the amplitude modulated sine wave signal, the board also provides unmodula-ted DC-Level Shift TTL output in parallel. Th

55ded at the VG64-Connector, i.e. if code B132 is selected also code B002 is available.This applies for the codes AFNOR NFS 87-500 and IEEE1344 as wel

56Signal Description GPS170Name Pin FunctionGND 32a+c GroundVCC in (+5V) 1a+c +5V supplyVCC in (+12V) 2a+c +12V supplyVCC in (+5V) 3a+c +5 V supply (T

57Rear Connector Pin Assignments GPS170ac1 VCC in (+5V) VCC in (+5V)2 VCC in (+12V) VCC in (+12V)3 VDD in (TCXO/OCXO) VDD in (TCXO/OCXO)4 (reserved,

58Menu Quick Reference GPS170LCD-MPNEXTCLR/ACKMENUNEXTMeinberg GPS170 S/N: 0290100xxx70REV:1.xx LCD_2GPS: NORMAL OPERATION Mon, DD.

59Technical appendix

Technical appendix ... 59Technical Specifications GPS170LCD-MP ...

60Technical Specifications GPS170LCD-MPHOUSING: Metal desktop case, MULTIPAC SchroffFront panel: 1 U / 84 HP (43.6 mm high / 426.4 mm wide)PROTECTIONR

61Rear View GPS170LCD-MPPULSE OUTPUT COM-1 COM-0TIME CAPTURE RS-232 RS-232ANTENNA100 ... 240V AC50/60 Hz 165916591659

62Pin Assignments of the SUB-D Connectors165916591659Connector Assignments Error Relais (Time Sync)Relay on (pin. 7+8 are closed), if synchronization

63Technical Specifications Power Supply T-60BINPUT: 85 ... 264V AC, 47 ... 63Hz, 1A/230V, 2A/115VFUSE: elektronicCURRENTLIMITING: 105 - 150% Iout nomO

64

65The GPSMON32 Configuration and Monitoring ApplicationThe program GPSMON32 can be used to monitor and configure all essentialfunctions of Meinberg GP

66Online HelpThe online help can be started by clicking the menu item 'Help' in menu Help. In everyprogram window a direct access to a relat

67Diskette with Windows Software GPSMON32

GPS170_LCD- MP- E- 311007

General InformationThe satellite receiver clock GPS170 has been designed to provide extremly precisetime to its user. The clock has been developed for

8The Modular System GPS170LCD-MPGPS170LCD-MP GPS-Receiver is a set of equipment composed of a satellite control-led clock GPS170 together with a power

9GPS170 FeaturesThe front panel integrates a 2 x 40 character LC display, two LED indicators and fivepush buttons. The receiver is connected to the an