Meinberg DCF77 PC32 Скачать руководство пользователя | Manualshive

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Technical Information

Operating Instructions

FUNKUHREN

DCF77 PC32

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Содержание DCF77 PC32

Страница 1: ...Technical Information Operating Instructions FUNKUHREN DCF77 PC32 ...

Страница 2: ...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 October 21 2002 ...

Страница 3: ...vating the Pulse Outputs 10 The Driver Software 11 Files on the Diskette shipped with the Board 11 Copying the distributed Software to the Hard Disk 11 Using PCPSINFO EXE 12 The resident driver for DOS Windows 15 Controlling the Resident Driver 16 Technical Specifications 17 Replacing the Lithium Battery 19 CE Label 19 Format of the Meinberg Standard Time String 20 PC32 Component Layout 21 ...

Страница 4: ...4 Driver Diskette for DOS Windows ...

Страница 5: ...ll as some parity and status bits can be decoded from the time marks of the 15th up to the 58th second every minute The absence of any time mark at the 59th second of a minute signals that a new minute will begin with the next time mark Our radio remote clocks decode the highly accurate information on date and time within a wide range around Germany So some of our clocks are installed in Bilbao Sp...

Страница 6: ...6 ...

Страница 7: ...ime message is performed If that plausibility check passes too the battery buffered real time clock on the board is synchronized corre sponding to the decoded time and date Software running on the computer can read out the date time status and some more information Access to the board is made via writing to reading from two I O ports The simple software protocol to be used is described below Start...

Страница 8: ...cations 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 Any switch in the ON position ties the corresponding address line to logical 0 Some common port base addresses and the corresponding DIL switch settings are shown in the table be...

Страница 9: ...er green LED should be blin king exactly once per second corresponding to the time marks from DCF77 If this LED flashes there is some electrical noise around which pre vents the receiver from decoding the time marks and synchronizing All information given by these LEDs can also be obtained from the screen of the program PCPSINFO EXE The 9 pin sub D connector is wired to the PC32 s serial port Pin ...

Страница 10: ...ed to wire the TTL outputs 0 5V to some of the connector pins In this case absolute care must be taken if another device is connected to the port because voltage levels of 12V through 12V as commonly used with RS 232 ports at TTL outputs may damage the radio clock Jumper location The figure below shows the assignment of the output pins if all jumpers are installed ...

Страница 11: ...e when beeing called not resident PCPSCLOC EXE Analog clock displayed with HGC EGA VGA graphic PCPSDRV COM resident driver keeps computer time synchronized with board time DRV EXE temporarily disables the resident driver DISP EXE enables or disables the permanent date time window POSXY EXE positions the permanent date time window on the screen COLOR EXE sets the screen attribute of the permanent d...

Страница 12: ... P xxx C xx MONO Usage of the command line parameters is described below P xxx The board is installed using addresss xxx hex This parameter can be omitted if the address matches the default address 300 hex C xx Country code override The default country code to be used is derived from the COUN TRY entry in the CONFIG SYS file xx may be set to 49 Germany 24h clock dd mm yy 44 U K 12h clock dd mm yy ...

Страница 13: ...the screenshot above It can be altered using the utility DISP EXE from the command line or by pressing the key D The flag Set RTC direct enables the driver to write directly to the computer s real time clock This feature is required in some special environments only see the description of PCPSDRV COM below The Tick Counter counts the times the driver has been activated by the computer s periodic t...

Страница 14: ... running on XTAL for some minutes which is indicated by the second line The third line indicates whether daylight saving is currently in effect or not The signal bar is useful to install the antenna For best results the antenna should be mounted at least 1 meter from the computer and from solid metal parts The length of the bar is derived from the receiver s AGC voltage Because this voltage is lim...

Страница 15: ...nstead of 300 hex The optional parameter U xxxx can be used to set the time span to be used for the periodical update of the system time Valid numbers for xxxx are 1 to 3600 seconds If this parameter is omitted the time span defaults to 1800 seconds 30 minutes The parameter I must be given in the command line if the driver shall modify the computer s time just after being installed In the default ...

Страница 16: ...or DRV OFF Default enabled DISP EXE enables or disables the date time window on the screen Command DISP ON or DISP OFF Default disabled COLOR EXE sets up the screen attribute of the date time window Command COLOR fg bg with fg and bg the color numbers of the foreground back ground Default white characters on black POSXY EXE sets up the screen position of the date time window Command POSXY column r...

Страница 17: ...ECK Parity and consistency checking over a period of two minutes RF distortions indicated by both LED and a bit of the status register Without RF signal the clock runs on XTAL with an accuracy of 10 5 BATTERY BACKUP Lithium battery or Gold Cap when the computer is turned off the on board RTC keeps the time based on XTAL for more than 10 years lithium battery rsp 150 hours gold cap RELIABILITY OF O...

Страница 18: ... second per minute after request 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 POWER REQUIREMENT 5V 80mA PHYSICAL DIMENSION 8 bit short expansion board AMBIENT TEMPERATURE 0 70 C HUMIDITY max 85 ...

Страница 19: ...e of inadequate replacement of the lithium battery Only identical batteries or batteries recommended by the manufacturer must be used for replacement The waste battery must be disposed as pro posed by the manufacturer of the battery CE Label This device conforms to the directive 89 336 EWG on the approxi mation of the laws of the Member States of the European Communi ty relating to electromagnetc ...

Страница 20: ... hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second uv clock status characters u clock has not synchronized after reset space 20h clock has synchronized after reset v different for DCF77 or GPS receivers DCF77 clock currently runs on XTAL GPS receiver has not checked its position space 20h DCF77 clock is sync d with transmitter GPS receiver has determined its position x time zon...

Страница 21: ...21 PC32 Component Layout ...

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