Meinberg DU35K User Manual

DU35KTechnical InformationOperating InstructionsFUNKUHREN

10Usage of the Buttons MENU and SETThe time, the language, the brightness and the automatic changeover of daylightsaving can be edited by using the bu

11Winter/Summer ChangeoverThis menu is only visible when the automatically changeover of daylight saving isenabled. Pressing SET lets the user edit th

12Rear View DU35KFig.2: Rear Panel ViewIN Input for preconnected clock or master clock (time strings or pulsesper minute)OUT Output (time strings or p

13Because it is possible to preconnect clocks in different ways it is necessary to set thejumpers on the main board correctly (see examples Fig.3-6).

14Connection Exaples2*7*27Hauptuhr (DCF / GPS)oderDU35K* (D Sub 9 OUT)DU35KD Sub25 INJP7 JP8 JP9 JP16 JP17 JP18 JP19RS232 x x x x x TelegramFig.3: Ju

15 4 * 1 *2523+V -VHauptuhr (DCF / GPS)oderDU35K* (D Sub 9 OUT)DU35 KD Sub25 INJP7 JP8 JP9 JP16 JP17 JP18 JP1920 mA passiv passiv x aktiv aktiv Teleg

16Pin Assignments of SUB-D Connector IN2 Input Time Strings - RS2323 Output RX_INF - RS2327 Ground14 Input Pulses per Minute16 Input Pulses per Minute

17Technical Specifications:OPERATIONMODE: - as free running quartz clock with internal RTC- as slave clock synchronized by radio clock or master clock

18Format of the Meinberg Standard Time StringThe Meinberg Standard Time String is a sequence of 32 ASCII characters startingwith the STX (start-of-tex

19Jumper ArrangementJumper Settings:JP7 Time String: RS232 / 20 mAJP8 Input of Time String (20 mA Current Loop): active / passiveJP9 : activ

ImpressumWerner MeinbergAuf der Landwehr 22D-31812 Bad PyrmontPhone: ++49 52 81 - 9309-0Fax: ++49 52 81 - 9309-30Internet: http://www.meinberg.deEma

InhaltsübersichtGeneral Information about DCF77 ... 5Features of the DU35K ...

General Information about DCF77The radio remote clocks made by Meinberg receive the signal from the long wavetransmitter DCF77. This long wave transmi

6Features of the DU35KThe large display DU35K is a 50mm hight LED matrix display that shows time anddate in three lines with eight characters each as

7DU35K as Stand Alone ClockAfter connecting the power supply to the 230V/50Hz net the appearing time/date canbe set by the two buttons in the rear pan

8DU35K as Radio ClockIt is not possible to run this variant of the DU35K as a slave clock. The DSUBconnector (IN) at the rear panel has no effect. The

9Mounting the AntennaGenerally it is important to position the antenna in an optimal way. The antennashould be aligned at a right angle to the directi