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DU35K

Technical Information

Operating Instructions

FUNKUHREN

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Содержание FUNKUHREN DU35K

Страница 1: ...DU35K Technical Information Operating Instructions FUNKUHREN ...

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 September 3 2004 ...

Страница 3: ...Mounting the Antenna 9 Usage of the Buttons MENU and SET 10 The Menus in Detail 10 Time Date 10 Language 10 Brightness 10 Daylight Saving 10 Winter Summer Changeover 11 Summer Winter Changeover 11 Exit 11 Rear View DU35K 12 Rear Panel Connectors 13 CE Label 13 Connection Exaples 14 Pin Assignments of SUB D Connector IN 16 Pin Assignments of SUB D Connector OUT 16 Technical Specifications 17 Format...

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Страница 5: ... 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 Spain as well as in the city of Umeå in northern Sweden fully satisfying the requirements of the users T...

Страница 6: ...case of supply voltage failure the on board RTC keeps the time based on XTAL for at least 10 years The language displayed can be choosen The wall mounted housing of the DU35K is made of plastic coated steel sheet The power connector the antenna input and the RS232 20mA interfaces provided by DU35K are accessible via connectors in the rear panel of the case Installation Power Supply The requested s...

Страница 7: ...dio clock stops sending time strings the DU35K continues by running on XTAL The data transmission occurs either via RS232 or via 20mA current loop It is possible to connect several DU35Ks or other Displays via serial interface to one radio clock Synchronisation by Pulses per Minute The DU35K can also operate as a normal slave clock A preconnected master clock generates the minute slave line with p...

Страница 8: ...the interfaces A software watchdog lets the microprocessor recover from malfunction A power fail comparator resets the microprocessor if the supply voltage drops below a specified threshold In case of supply voltage failure the on board real time clock keeps the time powered by a lithium battery which has a live time of at least 10 years guaranteed After powering up the system the time keeped in t...

Страница 9: ...F77 can be received without strong distortions the Modulation Dot starts blinking exactly once per second corresponding to the time marks from DCF77 If this dot flashes intermediately there is some electrical noise around which prevents the microprocessor from decoding the time message So a better location for the antenna must be found In case of correct reception it takes up to three minutes afte...

Страница 10: ...e blinking digit of the time is incremented When the digit has reached the wanted value the SET button is to release With another brief pressure to SET the next digit begins to blink and can be incremented in the same way Pressing MENU acknowledges the modification and changes over to the next menu Language When pressing SET in this menu the actual valid language of the DU35K appears in the displa...

Страница 11: ...g starts the first day whitch matches the configured day of week The example shows what has to be entered when daylight saving has to start the last sunday in march every year The year does not need to be specified because the changeover algorithm is valid for all further years too Summer Winter Changeover The Summer Winter menu appears after ending the Winter Summer menu by pressing MENU and is t...

Страница 12: ...me strings or pulses per minute OUT Output time strings or pulses per minute for further DU35Ks or other equivalent Displays ANT Antenna input for external ferrite antenna only DCF77 variant Power Power supply cord 85 264VAC 120 375VDC FUSE Fuse T 500mA MENU SET Buttons to configure the DU35K ...

Страница 13: ...ime strings Rear Panel Connectors Name Type Signal Cable IN 25 pin SUB D RS232 shielded data line OUT 9 pin SUB D RS232 shielded data line ANT BNC 77 5kHz shielded coaxial line Power power cord receptacle 85 264VAC power supply cord 120 375VDC CE Label This device conforms to the directive 89 336 EWG on the approximation of the laws of the Member States of the European Community relating to electr...

Страница 14: ... m Fig 3 Jumper settings for operating mode Synchronisation by RS232 4 1 V 25 23 Hauptuhr DCF GPS oder DU35K D Sub 9 OUT DU35K D Sub25 IN J P 7 J P 8 J P 9 J P 1 6 J P 1 7 J P 1 8 J P 1 9 20 mA a k t i v a k t i v x p a s s i v p a s s i v T e l e g r a m Fig 4 Jumper settings for operating mode Synchronisation by 20mA Current Loop with passive output onto active input ...

Страница 15: ... t i v T e l e g r a m Fig 5 Jumper settings for operating mode Synchronisation by 20mA Current Loop with active output onto passive input 8 9 14 16 Minute Impulse AC AC Hauptuhr oder DU35K D Sub 9 OUT DU35K D Sub25 IN J P 7 J P 8 J P 9 J P 1 6 J P 1 7 J P 1 8 J P 1 9 x x x x x x I m p u l s e Fig 6 Jumper settings for operating mode Synchronisation by Pulses per Minute ...

Страница 16: ...ut RX_INF 20mA 7 Input RX_INF 20mA 8 Output Pulses per Minute 9 Output Pulses per Minute 1 14 2 15 3 16 4 17 5 18 6 19 7 20 8 21 9 22 10 23 11 24 12 25 13 D Sub 25 IN D Sub 9 OUT Masse Ausgang_RX_INF RS232 Eingang_TLX RS23 IMP_Eingang IMP_Eingang Ausgang_RX_INF 20 mA Eingang_TLX 20 mA Ausgang_RX_INF 20 mA Eingang_TLX 20 mA 1 6 2 7 3 8 4 9 5 IMP_Ausgang IMP_Ausgang Ausgang_TLX 20 mA Eingang_RX_INF ...

Страница 17: ...oop passive active or pulses per minute pulse voltage 48V max DSub25 connector OUTPUTS RS232 or 20mA current loop passive active or pulses per minute pulse voltage as adjoining on input DSub9 connector BAUDRATE 9600 baud FRAMING 7E2 TIME STRING see Format of the Meinberg Standard Time String BUFFERING In case of supply voltage failure the on board RTC keeps the time based on XTAL for more than 10 ...

Страница 18: ...he day of the week 1 7 1 Monday hh mm ss the current time hh 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 DCF77 clock currently runs on XTAL space 20h DCF77 clock is sync d with transmitter x time zone indicator U UTC Universal Time Coordinated formerly GMT ME...

Страница 19: ...ut of Time String 20 mA Current Loop active passive JP18 active passive JP19 Time String Pulse Mode In case of DCF77 variant the following jumpers have no effect JP7 JP8 JP9 and JP19 Input of Time String 20 mA Current Loop Output of Time String 20 mA Current Loop Default jumper settings on the board JP7 RS232 JP8 active JP9 active JP16 no JP17 passive JP18 passive JP19 Time String JP8 JP9 JP18 JP1...

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