Meinberg GPS169PCI Manuel d'utilisateur

Technical InformationOperating InstructionsGPS169PCIwith IRIG-Generator

10DCF77 emulationThe GPS169PCI satellite clock generates TTL level time marks (active HIGH) whichare compatible with the time marks spread by the Germ

11Connectors and LEDs in the rear slot coverThe coaxial antenna connector, two statusLEDs and a 9 pin sub D connector can befound in the rear slot cov

12Installing the radio clockEvery PCI board is a plug&play board. After power-up, the computer's BIOS assignsressources like I/O ports and in

13Mounting the antennaThe GPS satellites are not stationary but circle round the globe in a period of about 12hours. They can only be received if no b

14the new almanac is complete and the system switches to Warm Boot mode scanningfor other satellites.In the default mode of operation, neither pulse o

15Replacing the lithium batteryThe life time of the lithium battery on the board is at least 10 years. If the need arisesto replace the battery, the f

16TimecodesThe transmission of coded timing signals began to take on widespread importancein the early 1950´s. Especially the US missile and space pro

17IRIG standard format

18AFNOR-standard format

19Assignment of CF Segment in IEEE1344 mode.oNtiB.oNtiB.oNtiB.oNtiB.oNtiBnoitangiseDnoitangiseDnoitangiseDnoitangiseDnoitangiseDnoitpircseDnoitpircseD

ImpressumMeinberg Funkuhren GmbH & Co. KGAuf der Landwehr 22D-31812 Bad PyrmontPhone: ++49 52 81 - 9309-0Fax: ++49 52 81 - 9309-30Internet:

20Generated timecodesThe board GPS169PCI generates modulated unmodulated (TTL into 50 Ω) time-codes, so that six different signals are available:a) B0

21Technical Specifications GPS169PCIRECEIVER: Six channel C/A code receiver with external antenna/converterunitANTENNA: Antenna/converter unit with re

22ACCURACY OFFREQUENCYOPTION OCXO: after sync. and 20 min of operation ±1.10-9during first 20 minutes of operation ±2.10-8Accuracy of quartzone day, f

23POWERREQUIREMENTS: 5V ± 5%, @250mA12V ± 5%, @190mA-12V ± 5%, @10mAdelivered by PCI busRF CONNECTOR: female coaxial BNC-connectors for antenna and m

24Technical specifications of antennaANTENNA: dielectrical patch antenna, 25 x 25mmreceive frequency: 1575.42 MHzbandwidth: 9 MHzCONVERTER: local osci

25Assembly with CN-UB/E (CN-UB-280DC)

26Time stringsFormat of the Meinberg Standard time stringThe Meinberg Standard time string is a sequence of 32 ASCII characters startingwith the STX (

27Format of the Meinberg Capture StringThe Meinberg Capture string is a sequence of 31 ASCII characters terminated by aCR/LF (Carriage Return/Line Fee

28Format 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

29Format of the NMEA 0183 string (RMC)The NMEA string is a sequence of 65 ASCII characters starting with the ‘$’ characterand ending with the characte

Table of ContentsImpressum ... 2Driver Diskette ...

30Format of the Uni Erlangen string (NTP)The time string Uni Erlangen (NTP) of a GPS-clock is a sequence of 68 ASCIIcharacters starting with the STX (

31i leap second insertion‘L’ leap second is actually inserted(active only in 60th sec.)‘ ‘ (space, 20h) no leap second is insertedbbb.bbbb latitude of

32Format of the ABB SPA time stringThe ABB SPA time string is a sequence of 32 ASCII characters starting with thecharacters ">900WD" and

33

4Driver DisketteTable of Contents (continued)Technical Specifications GPS169PCI ... 21Assignment of the 5

5Content of the disketteThe diskette contains a driver program that keeps the computer´s system time synchro-nous to the board time. If the present de

6General informationThe satellite clocks made by Meinberg have been designed to provide extremlyprecise time to their users. The clocks have been deve

7Block diagram GPS169PCI

8GPS169PCI featuresThe satellite controlled clock GPS169PCI is a plug-in board designed for computerswith 3.3V or 5V PCI bus running with clock freque

9Asynchronous serial portsTwo asynchronous serial interfaces (RS232) called COM0 and COM1 are availableto the user. Only COM0 is available at the rear