Meinberg DCF77 PCI32 Operating Instructions Manual
Meinberg DCF77 PCI32 Operating Instructions Manual

Meinberg DCF77 PCI32 Operating Instructions Manual

Radio remote clocks

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FUNKUHREN
Technical Information
Operating Instructions
DCF77 PCI32

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Summary of Contents for Meinberg DCF77 PCI32

  • Page 1 FUNKUHREN Technical Information Operating Instructions DCF77 PCI32...
  • Page 2: Impressum

    Impressum Werner Meinberg Auf der Landwehr 22 D-31812 Bad Pyrmont Phone: ++49 52 81 - 9309-0 Fax: ++49 52 81 - 9309-30 Internet: http://www.meinberg.de Email: info@meinberg.de May 18, 1998...
  • Page 3: Table Of Contents

    The resident driver for DOS/Windows ..........12 Controlling the Resident Driver ..........14 Technical Specifications ..............15 Replacing the Lithium Battery ..........17 CE Label ................... 17 Format of the Meinberg Standard Time String ......18 PCI32 Component Layout ............19...
  • Page 4: Driver Diskette For Dos/Windows

    Driver Diskette for DOS/Windows...
  • Page 5: General Information About Dcf77

    General Information about DCF77 The radio remote clocks made by Meinberg receive the signal from the long wave transmitter DCF77. This long wave transmitter installed in Mainflingen near Frank- furt/Germany transmits the reference time of the Federal Republic of Germany. This time reference is either the Central European Time (Mitteleuropäische Zeit, MEZ) or...
  • Page 6: Overview

    Overview The radio clock PCI32 is designed to operate in computers with PCI bus. An external ferrit antenna makes the signal from DCF77 available to the on-board long wave receiver. The demodulated time marks are decoded by the clock´s microprocessor. If no errors are detected in the current time message an additional plausibility check against the previous time message is performed.
  • Page 7: Connectors And Leds In The Rear Panel

    This port can not be used as serial port for the computer. Instead, the clock uses the port to send out Meinberg's standard time string in order to control an ex- ternal display or some other external device.
  • Page 8: Pin Assignments Of The 9 Pin Connector

    Pin Assignments of the 9 Pin Connector When the clock is being shipped, only the signals needed for the serial port are gated to their pins at the 9 pin connector. If another signal shall be available outside the computer, the corresponding lever of the DIL switch on the board must be set to the ON position to connect that signal to its associated pin.
  • Page 9: Files On The Diskette Shipped With The Board

    Files on the Diskette shipped with the Board Root directory: DATEIEN.TXT this list of files in German language LIESMICH.TXT last changes/modifications in German language FILES.TXT this list of files in English README.TXT llast changes/modifications in English @6AAC.ADF Adapter Description File (required for PS31 only) PCPSINFO.EXE shows continuously the board´s status PCPSDRV.COM...
  • Page 10: Copying The Distributed Software To The Hard Disk

    Assume the current drive is C: and the new subdirectory is to be created on the current drive, create that subdirectory (e.g. called MEINBERG) using the command MD \MEINBERG from the DOS command line.
  • Page 11 MONO Force monochrome display even if color display installed. May increase the readability on LC displays often used with laptops. Displays a message how to setup port address and how to use the program. Output can be redirected to printer ( append ">LPT1" to the command line) or file (append ">file- name").
  • Page 12: The Resident Driver For Dos/Windows

    The serial interface transmits the date/time/status string known from other Meinberg radio remote clocks. The serial parameters can be setup by menu if the key F4 is being hit.
  • Page 13 AUTOEXEC.BAT which should reside in the root directory of the boot drive. Assu- ming the driver file can be found in the directory MEINBERG on drive C:, a command line like that shown below should be added to the AUTOEXEC.BAT using...
  • Page 14: Controlling The Resident Driver

    The command line of the example above installs the driver using the default I/O port base of 300h. The computer´s system time will be corrected every ten seconds even if the clock has not synchronized with DCF77. Controlling the Resident Driver If the resident driver PCPSDRV.COM has been installed, some of the utility pro- grams can be used to control the way it works.
  • Page 15: Technical Specifications

    Technical Specifications RECEIVER: Synchronous receiver with automatic gain control Bandwidth: approx. 50Hz ANTENNA: Active external ferrite antenna in a plastic case Length of the cable: up to more than 100m Standard: SMB type connector, 5m of RG174 cable Outdoor: N type connector, RG58 cable, adapter RG58/RG174 RF AMPLITUDE, MODULATION: Indicated by LED and on-screen by utility program...
  • Page 16 300 through 9600 Baud Framing: 8N1, 7E2, 8N2, or 8E1 Mode of Operation: send string per second, per minute, after request ´?´ received Output String: Meinberg standard time string (described below) POWER REQUIREMENT: +5V @ 80mA PHYSICAL DIMENSION: short PCI expansion board AMBIENT TEMPERATURE: 0 ...
  • Page 17: Replacing The Lithium Battery

    Replacing the Lithium Battery The life time of the lithium battery on the board is at least 10 years. If the need arises to replace the battery, the following should be noted: ATTENTION! Danger of explosion in case of inadequate replacement of the lithium battery.
  • Page 18: Format Of The Meinberg Standard Time String

    Format of the Meinberg Standard Time String The Meinberg Standard Time String is a sequence of 32 ASCII characters starting with the STX (start-of-text) character and ending with the ETX (end-of-text) charac- ter. The format is: <STX>D:dd.mm.yy;T:w;U:hh.mm.ss;uvxy<ETX> The letters printed in italics are replaced by ASCII numbers whereas the other characters are part of the time string.
  • Page 19: Pci32 Component Layout

    PCI32 Component Layout...

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