Meinberg PZF511 User Manual

PZF511Technical InformationOperating Instructions

10Menu DATEAfter the Set button is pressed, the actual date appears on the display. Menu DAY o.W.The day of the week will be displayed in this men

11Menu FIELDThe digitized value of the field strength is displayed in this menu. There is a logarithmicrelation between this value and the field stren

12Menu SYNTH.The output frequency of the internal synthesizer is selected in this menu. This can bedone in the range of 1/3Hz to 9.999MHz. The fre

13Menu PAR.COMxThe three menus PAR.COM0 to PAR.COM2 allow the configuration of the serialRS232 ports COM0 to COM2. The following settings are poss

14Menu IRIGThis menu allows to select an IRIG, AFNOR or IEEE1344 timecode to be generated. Besides the amplitude modulated sine wav

15Menu OSZ.ADJ.The standard version of the PZF511 includes a voltage controlled temperature compen-sated oszillator (TCXO). Its nominal frequency of 1

16Asynchronous serial interfacesThree independant serial RS232 interfaces are available at the rear connector of the clockPZF511. As set in menu SER.M

17Frequency synthesizerThe synthesizer of the PZF511 generates a frequency in the range of 1/3Hz up to9.999MHz, which can be set in the menu SYNTH. Th

18Block Diagram TimecodemicrocontrollermodulatorEPLDD/A converterdriver50 unbalanced digitalsinewavegeneratortimecode10 MHzmodulated timecodeunmodula

19IRIG Standard Formatx 3xTYPICAL MODULATED CARRIER IRIG-A : 10000 HzIRIB-B : 1000 Hzbinary 0 binary 1

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20AFNOR Standard Format

21Assignment of CF Segment in IEEE1344 CodeBit Nr. Bedeutung Beschreibung49 Position Identifier P550 Year BCD encoded 1unteres Nibble des BCD codierte

22DC and AM TimecodesDC-Level Shift Codes (PWM-signal) B00x and modulated sine wave carrier B12x arealways generated simultaneously. Both signals are

23DCF-time including announcement of changes in daylight saving and announcement ofleap seconds, changing the timezone in the setup menu has no effect

24Firmware updatesWhenever the on-board software must be upgraded or modified, the new firmware canbe downloaded to the internal flash memory via the

25Technical specificationsRECEIVER: Two seperate receiver channels for signal conversion and bestaquisition and tracking of the DCF77 signal.Receptio

26STANDARDFREQUENCIES: 100kHz, 155kHz, 1MHz and 10MHz are synchronized to DCFby a digital PLL.For accuracy refer to table "Oscillator Types"

27PZF511 with different oscillator optionsThe correlation receiver PZF511 can be equipped with several different oscillator types.Compared with the st

28Time StringsFormat of the Meinberg Standard Time StringThe Meinberg Standard Time String is a sequence of 32 ASCII characters starting withthe STX (

29Format of the ATIS standard Time StringThe ATIS standard Time String is a sequence of 23 ASCII characters terminated by aCR (Carriage Return) charac

Table of contentsGeneral information ... 5Features PZF511 ...

30Format of the Uni Erlangen String (NTP)The time string Uni Erlangen (NTP) is a sequence of 66 ASCII characters starting withthe STX (start-of-text)

31g anouncement of discontinuity of time, enabled during last hourbefore discontinuity comes in effect:‘A’ announcement of leap second insertion‘ ‘ (s

32Signal description PZF511Name Pin FunctionGND 32a+c Reference potentialVCC in (+5V) 1a+c +5V power supplyVDD in (+12V) 2a+c +12V power supply, not u

33Rear Connector Pin assignmentac1)V5+(niCCV)V5+(niCCV2)V21+(niDDV)V21+(niDDV34niTOOB/tuoNIM51_P5devreser6tuoCES_P/tuoCES_P78tuoNIM_P/tuoNIM_P9tuo/niT

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35Menüstruktur PZF511MENUSETSETMENU

PZF511- PZF511- E- 24. 02. 10

Asynchronous serial interfaces ... 16Pulse outputs ...

General informationThe German long wave transmitter DCF77 started continious operation in 1970. Theintroduction of time codes in 1973 build the basic

6Features PZF511The PZF511 is a high precision receive module for the DCF77-signal build in eurocardsize (100mm x 160mm). The 61mm wide front panel co

7Installation PZF511To achieve the technical data given in chapter 'technical specifications', the followingpoints must be observed.Operatin

8Front panelPilot lampsThe 'Feld'-LED is switched on if a DCF-signal with at least minimum field strengthneeded for the correlation receipti

9DisplayThe eight digit alphanumeric display shows important information concerning status andtime. The setting of system parameters is also done with