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Related Manuals for hopf 6842
Summary of Contents for hopf 6842
- Page 1 Technical Description GPS Satellite Clock 6842 Version 08.00 20.02.2008...
- Page 2 Strict compliance with these instructions is therefore necessary. Failure to comply with these Safety Instructions will VOID the Warranty and any claims made under its terms. Further no liability will be assumed by hopf Elektronik GmbH, for ensuing consequential damages, resulting from non-compliance. Safety of the Devices This instrument has been manufactured in accordance with the latest technological standards and acknowledged safety regulations.
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Page 3: Table Of Contents
4.5 Summary Key Pad 4.5.1 Set Functions 4.6 Display Functions 4.7 Control of Synchronous Clocks 4.7.1 Viewing Synchronous Clock 4.7.2 Setting the Synchronous Clock 4.7.3 Start/Stop Synchronous Clock 4.7.4 Synchronous Lines Pulse Time GPS Satellite Clock 6842 - Ver. 08.00 Page 3... - Page 4 6.1 General Information about the Serial Data Output of the Board 6842 6.2 Structure of the Hopf Standard Data String 6.2.1 Status and Day of the Week Nibble in the Hopf Standard Data String 6.2.2 Example of a Transmitted Hopf Standard Data String 6.3 Data String SINEC H1...
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Page 5: Brief Description Model 6842
ESCRIPTION ODEL 1 Brief Description Model 6842 The circuit board 6842 is a further development of the satellite radio controlled clock system 6840. When built into a system it can execute extended functions i.e. controlling a LAN- connection etc. The measurements of the circuit boards correspond to the euro-format 100 mm x 160 mm. Par- ticular care has been taken of the following features. -
Page 6: Introduction
2 Introduction The hopf_radio- / crystal clock systems well proved since 1975 have been extended by the receiver unit 6842, thus enabling the world wide use of this time base at highest precision level. The time base is synchronised by the globally installed satellite-navigation system GPS. At a height of about 20 000 km satellites circle around the earth on different orbits and angles twice a day. -
Page 7: Set-Up
The connection to the antenna system is made by the female connector marked "GPS-In". The correct installation of the antenna system can be found in the Appendix GPS (General System Information GPS). GPS Satellite Clock 6842 - Ver. 08.00 Page 7... -
Page 8: Set-Up Base System
Thus ensuring a longer life of the display. 3.3.2 Standard Display After a power cut ( < 3 days ), the display starts with the internally continued back-up clock in- formation if it is valid and plausible. Page 8 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 9: Key-Pad
S.CLOCK: input of set functions like start, stop and pulse of synchronous clock INI: initialising functions - these functions are required mainly by the production. They serve to set supervision times and pulse widths. GPS Satellite Clock 6842 - Ver. 08.00 Page 9... -
Page 10: Set-Functions
BReak leaves the set program. The standard picture reappears. Please Note: N COUNTRIES WHICH CHANGE THEIR TIME ZONE DURING THE COURSE OF THE 4.2.3 YEAR THE CHANGEOVER TIMES MUST BE ENTERED Page 10 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 11: Time Difference
SET CHANGE-OVER SET CHANGE-OVER DATE D S Y/N DATE D S Y/N (Daylight saving time Standard time) (Standard time Daylight saving time) entry picture S hh/d/w/MM D hh/d/w/MM > > GPS Satellite Clock 6842 - Ver. 08.00 Page 11... -
Page 12: Position
- three digits - and after the separation point the minute entry follows (- two digits -) plus 4 digits after the minutes. e.g. N51°12.3651 E007°37.8426 When "ENT" is pressed all entries are taken over. Page 12 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 13: Status And Pulse Output
4.2.8 Selection Picture Parameter of Serial Interface SET COM 0 SERIAL SET COM 1 SERIAL SET OPTICAL TRNS PARAMETER Y/N _ PARAMETER Y/N _ PARAMETER Y/N _ see point 6: Parametering of the serial interfaces. GPS Satellite Clock 6842 - Ver. 08.00 Page 13... -
Page 14: Setting Modebyte 1 Selection
If a frequency output board is added to the system this function can be used to enter the fre- quency between 1 Hz to 10 MHz in steps of 1 Hz. The input mode is described in the descrip- tion for the board 7530. Page 14 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 15: Key-Word
In case of a false entry the following is displayed for 5 seconds WRONG KEY-WORD After the 2 false entry the following is displayed for 5 seconds WRONG KEY-WORD ! LAST CHANCE ! GPS Satellite Clock 6842 - Ver. 08.00 Page 15... -
Page 16: Data Security
EEPROM after the next minute change. To check the values a program reset or a master reset must be executed so that the stored values in the EEPROM are reread into the main memory. Page 16 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 17: Checking The Entered Values
SHOW CHANGE-OVER S Y/N _ After pressing the Yes key the following is displayed: TIME: 03.00.00 7.25/10/1998 D>S The changeover will take place on Sunday 25 October 1998 at 03.00 o'clock . GPS Satellite Clock 6842 - Ver. 08.00 Page 17... -
Page 18: Position
After entering (Y)es the following is displayed: Bit 7 6 5 4 3 2 1 0 0 0 0 0 0 1 0 0 This means that at output 8c a minute pulse is programmed. Page 18 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 19: Satellite Display
30 - 70 In case of a good signal/noise ratio the values range between > 70 Please Note: O AVOID ERRORS IN THE MENU SELECTION LEAVE THIS FUNCTION ONLY BY THE "BR" GPS Satellite Clock 6842 - Ver. 08.00 Page 19... -
Page 20: Error Interpretation
• a flash of lightning has occurred and the lightning protection has a defect • the antenna has a defect • the receiver has a defect • the voltage supply has a defect Page 20 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 21: Error Byte
It is necessary to re-enter the time offset and the changeover points of time for summer / winter time (if used). 4.3.9 Further SHOW-Functions There are further SHOW-functions e.g. SHOW COM_1 SERIAL PARAMETER Y/N etc. This is self-explanatory. GPS Satellite Clock 6842 - Ver. 08.00 Page 21... -
Page 22: Initialising Functions
Usually this setting is used to test time depending functions in the connected devices. Please make sure that the antenna has been removed for this case, because the synchronisa- tion via the antenna overwrites the time entered manually. Page 22 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 23: Dcf77-Pulse Width
When the program is left by the key Break "BR" the value displayed last is stored in a non- volatile memory. The call-up to set the low-pulse follows the same pattern. The high-pulse can vary between 150-250 msec. and the low-pulse can vary between 50-150 msec. GPS Satellite Clock 6842 - Ver. 08.00 Page 23... -
Page 24: Time Decoding 3D / Position Fix
The accuracy can be changed to 3D by entering +. The 3D decoding displays: ACT. IS 3-D FOR POS.FIX PUSH - The variable accuracy can be changed to position fix by entering - (minus). Page 24 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 25: Program-Reset
After pressing "Y" the master-reset will be executed. The reset-connection of the board will be set to zero for a short time. Thereby all other modules in the system are set to zero and the pro- gram jumps back to the beginning of the program. GPS Satellite Clock 6842 - Ver. 08.00 Page 25... -
Page 26: Summary Key Pad
1 - 7 0 - 3 0 - 9 MONTH 0 - 1 MONTH 0 - 9 YEAR 1 - 2 YEAR 0 - 9 YEAR 0 - 9 YEAR 0 - 9 Page 26 GPS Satellite Clock 6842 - Ver. 08.00... - Page 27 0 - 9 degree 0 - 9 minute 0 - 5 minute 0 - 9 post decimal pos. N post decimal pos. N post decimal pos. N post decimal pos. N GPS Satellite Clock 6842 - Ver. 08.00 Page 27...
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Page 28: Display Functions
• interface parameter • interface mode byte • LAN-IP address and control byte • control of frequency board • control of display • pulse and status output • system byte • error byte Page 28 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 29: Control Of Synchronous Clocks
4.7 Control of Synchronous Clocks If the circuit board 6842 is used in a sub-system with synchronous clock lines, these lines are controlled via menu pt. 3. Up to 4 lines can be managed by the board (see description board 7406). -
Page 30: Setting The Synchronous Clock
Entering "Y" shows the selection picture SLAVE CLOCK NO.x RUN = + STOP = -- + = Start of the line – = stopping the line Completing the entry by ENT not necessary Page 30 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 31: Synchronous Lines Pulse Time
The pulses are stored in a fail-safe memory. Completing the entry by ENT is not required. When pressing "BR" the display will be stopped and pressing "ENT" allows the change into the next menu. GPS Satellite Clock 6842 - Ver. 08.00 Page 31... -
Page 32: Configuration
9.600 baud • 04800 for 4.800 baud • 02400 for 2.400 baud • 01200 for 1.200 baud • 00600 for 600 baud • 00300 for 300 baud • 00150 for 150 baud Page 32 GPS Satellite Clock 6842 - Ver. 08.00... - Page 33 If all the entries are plausible the settings are taken over. Please Note: [BS] ( N CASE OF A FAULTY ENTRY YOU CAN USE THE KEY BACKSPACE TO RE- TURN TO THE PREVIOUS EDITING FIELD AND REWRITE IT GPS Satellite Clock 6842 - Ver. 08.00 Page 33...
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Page 34: Configuration Of The Data String (Modebyte)
UTC (Universal Time Co-ordinated) 5.3.2 Second Advance of Serial Output with Mode Byte 1 bit position 6 second advance with second advance without second advance 5.3.3 Bit 5 bit position 5 free free Page 34 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 35: Last Control Character As On-Time-Mark With Modebyte
– end of new data string new data string end of new data string – final character (ETX) final character (ETX) bit position 2 delayed transmission with delay without delay GPS Satellite Clock 6842 - Ver. 08.00 Page 35... -
Page 36: Synchronisation Point With Modebyte
2000 - 4 digit year output hopf Master/Slave-String Siemens SINEC H1 T-String IBM Sysplex-Timer Model 1 + 2 ALOHA Data String SINEC H1 Extended NMEA - GPRMC SAT 1703 Time String Page 36 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 37: Data Format Of The Serial Transmission
The multiplication factor is interpreted by the clock as hexadecimal values. Example: The computer sends ASCII gFF (Hex 67, 46, 46) The clock sends the data string UTC time/date after approx. 2550 milliseconds. GPS Satellite Clock 6842 - Ver. 08.00 Page 37... -
Page 38: Data Strings
In all the data strings it is possible to exchange the control characters CR and LF by means of mode byte 1. The transmitted data strings are compatible with the data strings of the following hopf radio controlled clocks. • board 6020/6021 standard with control characters •... -
Page 39: Status And Day Of The Week Nibble In The Hopf Standard Data String
TRINGS 6.2.1 Status and Day of the Week Nibble in the Hopf Standard Data String The second and the third ASCII-characters contain the status and the day of the week. The status is decoded binaurally. The structure of these characters:... -
Page 40: Data String Sinec H1
$30-39 ";" semicolon "#" or space $23 / $20 "*" or space $2A / $20 "S" or space $53 / $20 "!" or space $21 / $20 ETX (end of text) Page 40 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 41: Status In The Data String Sinec H1
6.3.2 Example of a Transmitted Data String SINEC H1 (STX)D:03.01.96;T:3;U:12.34.56; _ _ _ _ (ETX) ( _) = Space radio operation, no announcement, standard time It is Wednesday 03.01.96 - 12:34:56 h GPS Satellite Clock 6842 - Ver. 08.00 Page 41... -
Page 42: Hopf Standard Data String String 2000
LF (line feed) CR (carriage return) ETX (end of text) Page 42 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 43: Data String 2000 Status- And Day Of The Week Nibble
6.4.2 Example of a Transmitted Data String 2000 (STX)E312345603011996(LF)(CR)(ETX) radio controlled operation (high accuracy) daylight saving time no announcement It is Wednesday 03.01.1996 - 12:34:56 h. ( ) - ASCII-control characters e.g. (STX) GPS Satellite Clock 6842 - Ver. 08.00 Page 43... -
Page 44: Data String T-String
$30-39 ":" colon tens seconds $30-36 unit seconds $30-39 CR (carriage return) LF (line feed) 6.5.1 Example of a Transmitted Data String T-String T:96:01:03:03:12:34:56(CR)(LF) It is Wednesday 03.01.96 - 12:34:56h Page 44 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 45: Master/Slave-String
+ sign hour $30$31,$38,$39 unit diff.time + hour $30-39 tens diff. time minutes $30-35 unit diff. time minutes $30-39 LF (line feed) CR (carriage Return) ETX (end of text) GPS Satellite Clock 6842 - Ver. 08.00 Page 45... -
Page 46: Status In The Data String Master-Slave
It is Wednesday 03.01.96 - 12:34:56 h The difference to UTC is +2.30 hours 6.6.3 Settings The following setting is required for the synchronisation of the hopf slave-systems: • output every minute • output second advance • ETX on the second change •... -
Page 47: Data String Ibm 9037 Sysplex Timer
4160 minutes 6.7.2 Example of a Transmitted Data String Sysplex Timer (SOH)050:12:34:56 _ (CR) (LF) ( _ ) = Space radio controlled operation , 12:34:56 h, 50 day of the year GPS Satellite Clock 6842 - Ver. 08.00 Page 47... -
Page 48: Data String Aloha
4160 minutes 6.8.2 Example of a Transmitted Data String ALOHA (SOH)050:12:34:56 _ (CR) (LF) ( _ ) = Space radio controlled operation , 12:34:56 h, 50 day of the year Page 48 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 49: Sinec H1 Extended
$23 / $20 "*" or space $2A / $20 "S", "U" or space $53 / $55 / $20 "!", "A" or space $21 / $41 / $20 ETX (end of text) GPS Satellite Clock 6842 - Ver. 08.00 Page 49... -
Page 50: Status In The Data String Sinec H1 Extended
6.9.2 Example of a Transmitted Data String SINEC H1 Extended (STX)D:03.01.96;T:3;U:12.34.56; _ _ _ _ (ETX) ( _) = Space radio operation, no announcement, standard time It is Wednesday 03.01.96 - 12:34:56 h Page 50 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 51: Nmea - Gprmc
$30-39 tens year $30-39 unit year $30-39 "," comma as separation "," comma as separation "*" string limitation tens checksum $30-39 unit checksum $30-39 CR (carriage return) LF (line feed) GPS Satellite Clock 6842 - Ver. 08.00 Page 51... -
Page 52: Status
= UTC 6.10.1 Status No status contained in data string NMEA GPRMC. 6.10.2 Example $GPRMC,101640.00,A,,,,,,,150904,,*03 <CR><LF> • It is the 15.09.2004 • 10:16:40 o'clock and 00 hundredth seconds • checksum 03 Page 52 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 53: Sat 1703 Time String
W/S- or S/W-changeover) CR (carriage return) LF (line feed) 6.11.1 Example (STX )18.07.02/4/02:34:45UTC_ _ _( CR)(LF)(ETX) • It is Thursday 18.07.2002 - 02:34:45 o'clock UTC • The System is synchronized by GPS GPS Satellite Clock 6842 - Ver. 08.00 Page 53... -
Page 54: Pin Allocation Of Serial Interfaces
RS232c RxD (receive data) RS232c /RxD (receive data) RS422 RxD (receive data) RS422 RTS (ready to send) RS232c CTS (clear to send) RS232c TxD (transmit data) RS422 /TxD (transmit data) RS422 Page 54 GPS Satellite Clock 6842 - Ver. 08.00... -
Page 55: Technical Data System 6842 Gps
EN 61000-3-2 /-3, EN 61000-6-2 /-4 Resistance: Interference radiation / voltage EN 55022 Class B GPS Data Receiver type: 12 channel phase tracking receiver, C/A code Evaluation: L1 frequency (1575.42MHz) Sensitivity: -143dB GPS Satellite Clock 6842 - Ver. 08.00 Page 55... - Page 56 • Via BNC socket Antenna connection: • For active antennas, Ub = 5V DC • Antenna power fed via Board 6842 BNC socket Accuracy (absolute to UTC transmitted from GPS) Internal PPS pulse by GPS sync: < ± 250ns (95%) VCO control of internal crystal: <...
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