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Summary of Contents for Meinberg DCF77 PC32E
- Page 1 FUNKUHREN Technical Information Operating Instructions DCF77 PC32E...
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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 June 19, 2001... -
Page 3: Table Of Contents
Controlling the Resident Driver ..........14 Technical Specifications ..............15 Replacing the Lithium Battery ..........17 CE Label ................... 17 Format of the Meinberg Standard Time String ......18 PC32 Component Layout ............19 Rear Connector Pin Assignments PC32E ......... 21... -
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 Several product lines of radio remote clocks for IBM compatible computers are available from Meinberg. While all of them are using a common software interface, different computer architectures require different board layouts. So the board called PC32 can be installed in every standard PC with ISA or EISA bus. PC32E is the name of the corresponding eurocard size board for 19"... - Page 7 In most cases the board can be installed without modifications. If another board uses I/ O in the range 300h to 303h the PC32´s base address must be changed. Lever 1 of the DIL switch is assigned to the PC's address line A2, lever 7 is assigned to A8, A9 is hard wired to logical "1".
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Page 8: Connectors And Leds In The Front 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 external display or some other external device. The string is sent out once per second, once per minute or if requested by an incoming ASCII '?'. -
Page 9: The Driver Software
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 10: Using Pcpsinfo.exe
If the utility diskette is inserted in drive A: use the following command to copy the files and subdirectories from the diskette to the hard disk: XCOPY A:*.* /S Using PCPSINFO.EXE After the board has been installed in the computer the program PCPSINFO.EXE should be run in order to see if the board has been properly installed. - Page 11 The upper part of the screen shows information about the resident driver (if the driver has been installed). These information include the ID string of the resident driver with the driver revision number, the number of the software interrupt used to control the resident driver and the last recent date/time the driver has read from the board.
- Page 12 Meinberg radio remote clocks. The serial parameters can be setup by menu if the key F4 is being hit. The line Last Sync: shows the time last synchronization has been achieved. If the clock runs synchronous with DCF77 this field is updated once every minute. The field labeled Date/Time: displays the board´s current date and time.
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Page 13: The Resident Driver For Dos/Windows
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
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. The programs described below show a few help lines when they are called without command line parameters. DRV.EXE temporarily disables the resident driver´s access to the board. -
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 ´?´ received Output String: Meinberg standard time string (described below) With EPROM v3.2 and above, this string can also be sent to- wards the board in order to set the board time.
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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: Pc32 Component Layout
PC32 Component Layout... -
Page 21: Rear Connector Pin Assignments Pc32E
Rear Connector Pin Assignments PC32E /IOW /IOR IRQ7 IRQ4 IRQ3...
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