Meinberg FDM511 Manuel d'utilisateur

FDM511Technical InformationOperating Instructions

10Menu SETUPThe setup menu allows the configuration of the FDM511. To avoid the erroneouschange of these parameters, it is not possible to skip to the

11Menu Time Deviation InitAfter power-up, the PL time is reset to the REF time and therefore the time deviation isset to +00.000s. However, if a diffe

12Menu Output StringThe two setup menus Str.COM0 and Str.COM1 allow the selection of the serial outputstrings for COM0 and COM1. Selection is done

13Menu Error BitsFDM511 recognizes fail and overflow events and sets or clears eight error bitsaccordingly. These bits are shown in this menu. Reading

14Serial Output StringsSeveral output strings are available with the FDM511. Selection is made in the setupmenu "Str.COM0" and "Str.COM

15Short FDM StringThe SHORT string is a sequence of 23 ASCII characters containing simply informationabout frequency deviation FD and time deviation T

16Areva FDM StringThe AREVA string is a sequence of 71 ASCII characters containing the frequency F,the frequency deviation FD, the time deviation TD,

17Time Deviation PresetA time deviation preset value in the range of -99.999 to +99.999 seconds can be set by aserial ASCII command via the serial int

18Firmware UpdatesWhenever the on-board software must be upgraded or modified, the new firmware canbe downloaded to the internal flash memory via the

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ImpressumMeinberg Funkuhren GmbH & Co. KGLange Wand 9D-31812 Bad PyrmontPhone: +49 (0) 52 81 / 9309-0Fax: +49 (0) 52 81 / 9309-30Internet: http://

20Technical Specifications FDM511DISPLAY: 8-digit alpha-numerical LED Display for showing the FDM511results as well as status information. Character h

21Time StringsFormat of the Meinberg Standard Time StringThe Meinberg Standard Time String is a sequence of 32 ASCII characters starting withthe STX (

22Format of the Uni Erlangen Time StringThe time string Uni Erlangen (NTP) of a GPS clock is a sequence of 66 ASCIIcharacters starting with the STX (s

23i leap second insertion‘L’ leap second is actually inserted(active only in 60th sec.)‘ ‘ (space, 20h) no leap second is insertedbbb.bbbb latitude of

24Rear Connector Pin DescriptionsSignal Name Pin DescriptionVCC in (+5V) B, D+Z2 +5V supply voltageGND B, D+Z16 power supply ground/BSL (/RESET) Z4 TD

25Rear Connector Pin DescriptionsZBD2 VCC in (+5V) VCC in (+5V) VCC in (+5V)4 /BSL A1 out GND6 GND A2 out P_SEC in8 Fail out RxD0 TxD010 Reserve in Rx

Table of ContentsImpressum ... 2Features of the Frequency Dev

Menu Nominal Frequency... 10Menu Time Deviation Init ...

Features of the Frequency Deviation Monitor FDM511The module FDM511 was designed to calculate and monitor the frequency in 50/60Hzpower line networks.

6The Front Panel LayoutThe 61mm wide front panel contains four LED indicators, two push buttons and a 8-digitalphanumerical LED display.LED PL TimeThi

7Analog OutputsFDM511 provides two analog outputs for longtime-recording. These outputs have arange of -2.5V ... +2.5V, divided in 65536 steps. Either

8Powering Up the SystemIf all the input signals, the power supply and the power line to be monitored have beenconnected to the FDM511, the system is r

9Menu Frequency DeviationThis menu, choosen with the Set button, shows the deviation of the mains frequencyfrom the nominal frequency (50 of 60Hz). Th