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TIMING SOLUTIONS

Rubidium Series

RUB SW

Word Clock Monitoring and

Changeover Module

DARS Monitoring and Changeover

Module

Functional Description and Specifications

Supplement to the “In

stallation & Systems Manual RUBIDIU

M SERIES”

Version: 4.2

December 2, 2020

Summary of Contents for RUBIDIUM Series

Page 1: ...eries RUB SW Word Clock Monitoring and Changeover Module DARS Monitoring and Changeover Module Functional Description and Specifications Supplement to the Installation Systems Manual RUBIDIUM SERIES V...

Page 2: ......

Page 3: ...2 2 1 Overview 18 2 2 2 Measurement of Signal Level 19 2 2 3 Measurement of Signal Frequency 19 2 2 4 Signal to Signal Drift 21 2 2 5 Signal to PPS Drift 21 2 2 6 Consequences of Errors 22 2 3 WORD CL...

Page 4: ...ONFIGURATION PC PROGRAM 41 4 2 THE RUBIDIUM SERIES HTTP SERVER 42 4 3 FUNCTIONS 43 4 4 KEYS KEYS AND LAMPS LEDS AND GPOS 44 4 5 SWITCHER SET UP OF GENERAL PARAMETERS 47 4 6 WORD CLOCK SET UP OF WORD C...

Page 5: ...ionality 4 1 September 3 2019 Changed address of Plura Europe GmbH 4 2 November 4 2019 Fixed NMEA baud rate to 4800 4 3 December 2 2020 Re formatted in new design Due to constant product development t...

Page 6: ...laces all previously published information Plura Europe GmbH assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of the information co...

Page 7: ...cuit board of each module The standard hardware of this module has all of the following key features Hot Swapping i e it is possible to insert or remove a module without interrupting the operation of...

Page 8: ...CLOCK IN 2 RJ45 jack 4 GND 5 CLOCK IN 2_1 3 CLOCK IN 2_2 6 GND 1 CLOCK IN 2_3 2 GND 7 CLOCK IN 2_4 8 GND CLOCK IN 1 CLOCK IN 2 can be connected straight 1 1 to the CLOCK OUT RJ45 at the RUB GW module...

Page 9: ...CK IN 1 or CLOCK IN 2 DARS IN Digital Audio Reference Signal 4 balanced signal inputs 1_1 and 1_2 of DARS IN 1 2_1 and 2_2 of DARS IN 2 DARS OUT Digital Audio Reference Signal 2 balanced signal output...

Page 10: ...Open Collector output of an NPN Darlington transistor Max power dissipation 125mW each output High state External pull up needed to a positive power source of 24 VDC Examples 2 2k at 5VDC 4 7k at 12V...

Page 11: ...EF CLOCK OUT SYNC 1 2 3 4 DARS OUT CLOCK OUT GPIO REF REF CLOCK OUT SYNC 1 2 3 4 Primary Word Clock Generator GW Back Up Word Clock Generator GW DARS IN 2 DARS OUT REF GPO CLOCK IN2 CLOCK IN1 DARS IN...

Page 12: ...Use a straight 1 1 connection between the PC connector at the RUBIDIUM frame and the RS232 of the computer In case of an USB interface Use a USB A B cable between your computer and the RUBIDIUM frame...

Page 13: ...placement It is essential that you have as much information ready as possible Serial number of the module software version number set up and configuration This will help to ensure that you are getting...

Page 14: ...2 3 4 INPUT Reference INPUT 1 Word Clock INPUT 2 Word Clock Additional system status information is available Monitor for manual and automatic changeover events relay supervisor Error counters and err...

Page 15: ...failure indication not disabled A count value of 0 indicates that at least one failure has been detected You can see all the individual errors and both overall counters at the status monitor Please o...

Page 16: ...the following happens in case of an error status Indicates the error status at this very moment Error yes 1 or no 0 The status resets to 0 if this individual error has disappeared counts Counter count...

Page 17: ...m Error function SNMP trap System Error Lamp FAIL in the Fail function GPO in the System Failure function SNMP trap System Failure A reset of these counters and at the same time a reset of all individ...

Page 18: ...al frequency Drift compared to the PPS of a reference Furthermore the signals within a signal pair will be checked There are four signal pairs IN1 IN2 CLOCKIN1_1 CLOCKIN2_1 CLOCKIN1_2 CLOCKIN2_2 CLOCK...

Page 19: ...the expected level is known and if SW operates in a redundant word clock system Error Signal Loss If the signal level falls below the threshold a signal loss error will be indicated This error will be...

Page 20: ...mply with a valid word clock frequency This check will be done permanently Any Pull Up or Pull Down frequency will be converted to the basic frequency the check thus compares the basic frequency and f...

Page 21: ...sidered for a changeover The status monitor indicates these measurements and errors at the System page 2 2 5 Signal to PPS Drift This measurement requires connecting a precise second pulse SW permanen...

Page 22: ...uts SNMP traps This requires unchecking the disable checkbox This way the user chooses the errors which may raise alarms Chapter Alarms by GPO Outputs Chapter Alarms by SNMP Traps The individual error...

Page 23: ...verall failures 0 SystemFailure Signal 1 Failure Signal 2 Failure SNMP Traps Word Clock Warning SystemWarning SystemError if overall errors 0 if overall failures 0 SystemFailure signal loss Signal Pai...

Page 24: ...s any unintentional changeover to the back up source Changeover Toggle Changeover between sources CLOCK IN 1 CLOCK IN 2 Difference between automatic and manual operating mode Automatic Manual Automati...

Page 25: ...example RS232 see chapter Specifications The data protocol can be selected utilizing one of the configuration tools At Reference Format on the Switcher page For example the following GPS units require...

Page 26: ...leap second or a DST switching if a local time zone has been selected as reference Each error has the following consequences Indication of an error at the status monitor status 1 Error counter counts...

Page 27: ...overall errors 0 SystemFailure if overall failures 0 SystemWarning GPO SNMP SystemError if overall errors 0 SystemFailure if overall failures 0 SystemWarning pps timing serial timing yes yes yes yes...

Page 28: ...nd to the intended switching position a relays error will be indicated Each error has the following consequences Indication of an error at the status monitor status 1 In case of error relays Error cou...

Page 29: ...ounts 1 counts 1 sets bit to 1 counts 1 LED Lamp power on relays yes no yes yes yes yes yes yes yes yes yes yes yes yes SystemError if overall errors 0 SystemFailure if overall failures 0 SystemWarnin...

Page 30: ...f an alarm the cause of the alarm can be found quickly utilizing the status monitor System Error This alarm offers monitoring with highest sensibility Every error will raise this alarm There is no way...

Page 31: ...signal drift Please refer to chapter Word Clock Monitoring for a detailed error description System Warning Recommended GPO GPO_4 In detail this GPO becomes active if one of the following errors has oc...

Page 32: ...Word Clock Warning Check the Signal Warning checkbox Trap will be sent in case of an error at a word clock signal pair In detail this trap will be sent if one of the following errors has occurred and...

Page 33: ...stem page of an Ethernet module Example SW 2 1 identifies the module which sent this entry SW module located at frame address 2 at slot 1 22 Apr 2013 11 03 33 SW 2 1 Event CLOCK IN1 signal 3 loss 22 A...

Page 34: ...rowser plug in a Windows installation will do this automatically if you download Java from the source mentioned above The Status Monitor works with all operating systems which support Java 3 2 Status...

Page 35: ...ual system error sources are considered for monitoring only they have no effects on the automatic changeover characteristics System Setup Reflects the set up as selected by a configuration tool please...

Page 36: ...1 if the module is operating led 2 Switcher Signal Reserved led 3 Switcher Set 1 if real time reference signals PPS IN RXD IN are present led 4 Switcher Error 1 as long as overall errors counter 0 Sys...

Page 37: ...d CLOCK IN 2 The changeover monitoring table shows the major errors which are considered for a changeover These errors can raise an alarm of type Signal 1 Failure or Signal 2 Failure respectively The...

Page 38: ...toring signal to pps drift A drift measured between the word clock signal and the PPS of the reference equals or exceeds the limit Limit Signal to PPS Drift Please refer to chapter Switcher Set Up of...

Page 39: ...ates that the reference source could have been synchronized at least once after turning the power on locked Status received via serial data string Indicates that the reference source currently is sync...

Page 40: ...s of Fan and Power Supplies This module as all configurable RUBIDIUM modules is able to monitor the fan and power supplies which are plugged to the same housing as SW Please refer to the document Inst...

Page 41: ...Overview Installation Connection to RUBIDIUM SERIES Chassis Starting the Program Store Load and Update the Configuration on your PC The Profile Tab Store and Load Configurations on the Module The prog...

Page 42: ...Configuration page Click on the blue SW button to establish a communication to this module It opens a page with a list of all the links which correspond to all the available functions Changes at a pag...

Page 43: ...d the tab page is not visible Function is activated the tab page is visible and configurable Function is activated but the tab page not visible and therefore not configurable We suggest that you deact...

Page 44: ...four LEDs Light Emitting Diodes Basically the functions of these in and outputs are programmable Some functions presented by the configuration tool maybe assigned to special options and therefore are...

Page 45: ...l check F2 PRIMARY The following functions for the lamps are provided for this module Function Description Recommended Lamp Fail Lights up as long as the overall failures counter has a count value 0 F...

Page 46: ...witcher on Primary Indicates that the output CLOCK OUT is switched to the primary source CLOK IN 1 Signal 1 present Indicates that at least one word clock signal at CLOK IN 1 is present Signal 2 prese...

Page 47: ...item please refer to chapter Self Test The failure indication of each individual error can be disabled by checking the disable checkbox If disabled no failure alarm will be given in case of an error R...

Page 48: ...ft ms 1 100 2 SW monitors the drift of each word clock signal compared to the PPS of the real time reference A signal to pps drift error will be indicated if the drift equals or exceeds this limit All...

Page 49: ...y of all word clock signals Frequency A valid word clock frequency should be a multiple of one of the basic sample frequencies 32 kHz 44 1 kHz or 48 kHz Any pull up or pull down frequency will not be...

Page 50: ...Clock Monitoring Measurement of Signal Frequency Alarm Disable SW permanently monitors each signal pair Between the signals of each pair the frequency should be equal and no drift should be detectabl...

Page 51: ...a screen shot of the PC program tab Send Data Three channels Telegram 1 3 have been provided to transmit data For each channel a function can be selected from the drop down list Off This channel will...

Page 52: ...module If you select Auto the module will request this frame number automatically and will show it on the info box Likewise it is possible to select a frame number manually Boot Cold Boot Do a cold b...

Page 53: ......

Page 54: ...Broadcast Inc Ph 1 602 944 1044 Sales plurainc com U S A Plura Europe GmbH Ph 49 6725 918006 70 Sales plurainc com GERMANY Plura MEA Ph 971 50 715 9625 Sales plurainc com U A E Plura Asia Ph 82 10 66...

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