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Plura Rubidium Series Manual

Word clock monitoring and changeover module
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Rubidium Series
TIMING SOLUTIONS
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"
Version: 4.2
December 2, 2020

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  • Page 1 Rubidium Series TIMING SOLUTIONS 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” Version: 4.2 December 2, 2020...

  • Page 3: Table Of Contents

    Functional Description and Specifications RUB SW Page 3 CONTENTS REVISION HISTORY COPYRIGHT GENERAL REMARKS MODULE “SW” GENERAL DESCRIPTION REAR PANEL AND CONNECTIONS SPECIFICATIONS TYPICAL APPLICATION DIAGRAMS SOFTWARE UPDATE ELECTRONIC PART EXCHANGE OPERATING DESCRIPTION FUNCTIONAL OVERVIEW 2.1.1 Basic Functions 2.1.2 Overview of Error Indications and Alarms in General 2.1.3 Overview of Error Indications at the Status Monitor 2.1.4...
  • Page 4 Page 4 Functional Description and Specifications RUB SW THE RUBIDIUM CONFIGURATION TOOLS THE RUBIDIUM CONFIGURATION PC PROGRAM THE RUBIDIUM SERIES HTTP SERVER “FUNCTIONS“ “KEYS“: KEYS AND LAMPS, LEDS AND GPOS “SWITCHER“: SET-UP OF GENERAL PARAMETERS “WORD CLOCK“: SET-UP OF WORD CLOCK MONITORING “LINK”: COMMUNICATION BETWEEN MODULES...

  • Page 5: A1 Revision History

    ▪ Entries can be made to the log file of an Ethernet module. ▪ The TC_link telegram ‘Reference’ can be sent. March 1, 2014 DARS functionality. September 3, 2019 Changed address of Plura Europe GmbH. November 4, 2019 Fixed NMEA baud rate to 4800. December 2, 2020 Re-formatted in new design.

  • Page 6: A2 Copyright

    A3 General Remarks This manual is a supplement to the ‘Installation & Systems Manual RUBIDIUM SERIES’. Please read the below listed chapters of the ‘Installation & Systems Manual RUBIDIUM SERIES’, as these chapters are necessary for the safe and proper use of RUB modules: •...

  • Page 7: Module "Sw

    Functional Description and Specifications RUB SW Page 7 Module “SW” 1.1 General Description This module can supervise and analyse incoming Word Clock and DARS signals of two sources. Each source can deliver up to four different Word Clock and two different DARS signals.

  • Page 8: Rear Panel And Connections

    Page 8 Functional Description and Specifications RUB SW 1.2 Rear Panel and Connections CLOCK IN 1 REF/GPO DARS IN 1 8 ..1 8 ..1 8 ..1 1 .
  • Page 9 Functional Description and Specifications RUB SW Page 9 Signal descriptions Signal ground. CLOCK IN Word Clock signals, 8 inputs: 1_1 to 1_4 and 2_1 to 2_4. CLOCK OUT Word Clock signals, 4 outputs: Switched via relay to the corres- ponding Word Clock inputs of CLOCK 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;...

  • Page 10: Specifications

    Page 10 Functional Description and Specifications RUB SW 1.3 Specifications Word Clock inputs CLOCK IN Connector RJ45 – suited for direct connection to CLOCK OUT of RUB GW Input impedance ≈ 22 kΩ @ 48 kHz Signal level 0.5 Vpp to 6.0 Vpp Frequency 32 kHz to 256 x 48 kHz PPS IN...

  • Page 11: Typical Application Diagrams

    Functional Description and Specifications RUB SW Page 11 1.4 Typical Application Diagrams Redundant Word Clock System Primary Back-Up Word Clock Generator Word Clock Generator 75 Ohm Termination GPIO / REF GPIO / REF DARS OUT CLOCK OUT CLOCK OUT SYNC DARS OUT CLOCK OUT CLOCK OUT...

  • Page 12: Software Update

    Page 12 Functional Description and Specifications RUB SW 1.5 Software Update Software updates require a (windows operating system) computer and the “RUBIDIUM CONFIGURATION“ program. You can download the latest version of the program from: https://www.plurainc.com. Please check the PC connector at your RUBIDIUM housing: There is an USB or RS232 (with a DSUB9 connector) interface installed.

  • Page 13: Electronic Part Exchange

    Keyboard 1. Arrangement: Contact your local dealer or Plura to order the main electronic board and the keyboard for a replacement. 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 a direct replacement, even regarding the set-up values –...

  • Page 14: Operating Description

    PC programs are available for free: Configuration of the module = RubidiumConfig.exe, status monitor = RubStatSE.exe. The RUBIDIUM SERIES HTTP server, located in the Ethernet module (RUB IE or RUB PM) enables the configuration of the module and offers a status monitor as well.

  • Page 15: Overview Of Error Indications And Alarms In General

    Functional Description and Specifications RUB SW Page 15 2.1.2 Overview of Error Indications and Alarms in General This module detects errors on the word clock signals, on signals of the real-time reference, or on the module itself after a self-test. Basically, each individual error will be represented by a status, an error counter, and an indication of a failure.

  • Page 16: Overview Of Error Indications At The Status Monitor

    Page 16 Functional Description and Specifications RUB SW 2.1.3 Overview of Error Indications at the Status Monitor The System page of the status monitor shows the “overall failures” counter, the “overall errors” counter, and the individual errors of the system: The Input 1 page shows the individual errors with respect to the signals at CLOCK IN 1.

  • Page 17: Error Reset

    Functional Description and Specifications RUB SW Page 17 2.1.4 Error Reset The following error indications are self resettable (reset, if no errors are present): • The individual status bits at the status monitor. • The GPO outputs of functions Signal 1 Failure, Signal 2 Failure, Word Clock Warning.

  • Page 18: Word Clock Monitoring

    Page 18 Functional Description and Specifications RUB SW 2.2 Word Clock Monitoring 2.2.1 Overview SW monitors 2 x 4 word clock signals. After the power has turned on, the monitoring starts if once a valid signal has been received. At each of the 2 x 4 word clock signals, the following measurements will be taken: •...

  • Page 19: Measurement Of Signal Level

    Functional Description and Specifications RUB SW Page 19 2.2.2 Measurement of Signal Level The level is important for the “signal loss” detector. Only the peak-to-peak value should be regarded, any DC offset will not be considered. SW sets the signal threshold to 62 % of the level, approximately.
  • Page 20 Page 20 Functional Description and Specifications RUB SW As a result of the frequency measurement, the status monitor thus shows one of the following frequencies [Hz]: Basic frequency → 32 kHz 44,1 kHz 48 kHz Pull-UP/Pull-Down ↓ NTSC_PD + PAL_PD 30 689 42 294 46 034...

  • Page 21: Signal To Signal Drift

    Functional Description and Specifications RUB SW Page 21 2.2.4 Signal to Signal Drift Signals within a pair should have no drift against each other. SW permanently checks the signals for a drift. Error Word Clock Signal to Signal Drift If the drift reaches or exceeds the “Limit Signal to Signal Drift“, a “word clock signal to signal drift“...

  • Page 22: Consequences Of Errors

    Page 22 Functional Description and Specifications RUB SW 2.2.6 Consequences of Errors “word clock frequency difference“ and “word clock signal to signal drift” errors – referring to signal pairs only - will be indicated at the System page of the status monitor: All the individual errors will be indicated at the Input 1 / Input 2 page of the status monitor: Please refer to chapter ‘Overview of Error Indications at the Status Monitor’...
  • Page 23 Functional Description and Specifications RUB SW Page 23 This table shows all the word clock errors and their consequences: Signal Pair Major Errors status sets bit to 1 yes yes yes counts counts + 1 yes yes yes overall errors counts + 1 yes yes yes fail...

  • Page 24: Word Clock Changeover

    Page 24 Functional Description and Specifications RUB SW 2.3 Word Clock Changeover SW monitors signals received from two word CLOCK clock sources. CLOCK IN 1 'Primary' Changeover With the default set-up (‘Factory Settings’), the Source module operates in the automatic mode, i.e. in case of any major fault of the active source a changeover will occur to the other source.

  • Page 25: Real-Time Reference Monitoring

    Functional Description and Specifications RUB SW Page 25 2.4 Real-Time Reference Monitoring 2.4.1 Overview The inputs PPS IN and RXD IN at the REF/GPO connector are provided to connect signals of a real-time reference. PPS IN: “Pulse Per Second” input, electrical - for example - a TTL pulse (see chapter ‘Specifications’).

  • Page 26: The Individual Errors And Consequences Of Errors

    Page 26 Functional Description and Specifications RUB SW 2.4.2 The Individual Errors and Consequences of Errors The following errors will be indicated at the Reference page of the status monitor: Chapter ‘Overview of Error Indications at the Status Monitor’ describes the meaning of status, counts, fail, and disabled.
  • Page 27 Functional Description and Specifications RUB SW Page 27 This table shows all the individual errors and their consequences: pps timeout pps timing serial timing serial sequence status sets bit to 1 counts counts + 1 overall errors counts + 1 fail sets bit to 1 yes*...

  • Page 28: Self Test

    Page 28 Functional Description and Specifications RUB SW 2.5 Self Test Apart from checking the word clock signals and the signals of the real-time reference, the module performs a self test. The following errors will be indicated at the System page of the status monitor: Chapter ‘Overview of Error Indications at the Status Monitor’...
  • Page 29 Functional Description and Specifications RUB SW Page 29 This table shows all the individual errors and their consequences: power on relays status sets bit to 1 counts counts + 1 overall errors counts + 1 fail sets bit to 1 yes* yes* overall failures...

  • Page 30: Alarms

    Page 30 Functional Description and Specifications RUB SW 2.6 Alarms 2.6.1 Overview and Suggestions for Installation In order to get aware of a problem, the module could periodically be checked (status monitor, LEDs, lamps, log file of the Ethernet module), or the module could be integrated into a management and control system via GPO and/or SNMP.

  • Page 31: Alarms By Gpo Outputs

    Functional Description and Specifications RUB SW Page 31 2.6.2 Alarms by GPO Outputs The module has four GPOs (General Purpose Output). Basically, the functions of these outputs are programmable utilizing the Keys function of one of the configuration tools. (→ Chapter ‘”Keys”: Keys and Lamps, LEDs and GPOs’) The following functions for the GPOs are provided to indicate errors and failures: Signal 1 Failure Recommended GPO: GPO_1...

  • Page 32: Alarms By Snmp Traps

    Page 32 Functional Description and Specifications RUB SW 2.6.3 Alarms by SNMP Traps SNMP functionality for a RUBIDIUM system requires the installation of an Ethernet module (RUB IE or RUB PM) with option S (SNMP). Utilizing one of the configuration tools, the SNMP traps can be enabled and disabled at the System page (please refer to chapter ‘”System”: Identification, Reset, SNMP, Fan Control’).

  • Page 33: Entries In The Log File Of An Ethernet Module

    Functional Description and Specifications RUB SW Page 33 2.6.4 Entries in the Log File of an Ethernet Module The use of the log file requires the installation of an Ethernet module (RUB IE or RUB PM). As it is shown in the tables of chapters: •...

  • Page 34: Status Monitor

    Status Monitor 3.1 Status Monitor by the Ethernet Module The RUBIDIUM SERIES HTTP server, which is located in the Ethernet module (RUB IE or RUB PM), offers a status monitor. Please refer to the ‘Functional Descriptions and Specifications RUB Ethernet’ manual for a detailed description of how to access the RUBIDIUM SERIES system and how to open the RUBIDIUM homepage.

  • Page 35: System Status

    Functional Description and Specifications RUB SW Page 35 3.3 System Status The system status and individual 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 refer to chapters ‘”Switcher”: Set-Up of General Parameters’...
  • Page 36 Page 36 Functional Description and Specifications RUB SW System Tally Reflects the state of the relays, the GPOs, the lamps and the LEDs. The GPOs, lamps and LEDs have programmable functions. For service purpose, 'System Tally' reflects the state of the default function, independent of what has been really assigned to.

  • Page 37: Signal Input Status

    Functional Description and Specifications RUB SW Page 37 3.4 Signal Input Status SW monitors 2 x 4 word clock signals at CLOCK IN 1 and CLOCK IN 2. The changeover & monitoring table shows the major errors which are considered for a changeover.
  • Page 38 Page 38 Functional Description and Specifications RUB SW Input 1 and Input 2 show the same items. changeover & monitoring: Error Description signal loss A word clock signal, which has been present before, now has been lost. frequency In case the frequency has been selected manually (no “Auto” mode): The signal does not have the selected frequency.

  • Page 39: Time & Date Reference Status

    Functional Description and Specifications RUB SW Page 39 3.5 Time & Date Reference Status This module monitors the pulse-per-second input signal (PPS), the serial data string with time & date and status information, and the correct timing of both signals with respect to a definite correspondence of the serial data to the PPS signal.

  • Page 40: Status 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 ‘Installation & Systems Manual RUBIDIUM SERIES’ for a detailed description.
  • Page 41 The Rubidium Configuration Tools 4.1 The Rubidium Configuration PC Program Please refer to the ‘Installation & Systems Manual RUBIDIUM SERIES’ for a general description of this program and how to install it. In this document please notice the following subchapters: •...
  • Page 42 Functional Description and Specifications RUB SW 4.2 The Rubidium Series HTTP Server The RUBIDIUM SERIES HTTP server is located in the Ethernet module (RUB IE or RUB PM). A 10/100Base-T Ethernet connection and a web browser allow access to the RUBIDIUM system.
  • Page 43 Store and Load Configurations on the Module (*) System Identification, Reset, SNMP, Fan Control Keys Keys and Lamps, LEDs and GPOs Switcher Set-Up of General Parameters Word Clock Set-Up of Word Clock Monitoring Link Communication between Modules (*) refer to “Installation & Systems Manual RUBIDIUM SERIES”...
  • Page 44 Some functions presented by the configuration tool maybe assigned to special options, and therefore are not applicable with the standard firmware. For further information please contact Plura OPER FAIL PRIM SIG 1 SIG 2...
  • Page 45 Functional Description and Specifications RUB SW Page 45 The following functions for the keys are provided for this module: Function Description Recommended Clear Resets all error counters. F1: FAIL Reset All Resets all error counters and status. F1: FAIL Changeover Manual changeover to “primary”...
  • Page 46 Page 46 Functional Description and Specifications RUB SW The following functions for the GPOs are provided for this module: Recommended Function Description Signal 1 Failure Indicates a failure at CLOK IN 1. GPO_1 Signal 2 Failure Indicates a failure at CLOK IN 2. GPO_2 Word Clock Warning Indicates an error regarding the word clock signal...
  • Page 47 Functional Description and Specifications RUB SW Page 47 4.5 “Switcher“: Set-Up of General Parameters This function offers to select some general system parameters. Configuration (example shows a screen shot of the PC program tab): System Alarm Disable SW monitors some system characteristics. For a detailed description of each item please refer to chapter ‘Self Test’.
  • Page 48 Page 48 Functional Description and Specifications RUB SW System Select the operating mode and some parameters (default values in bold characters): Item Selection Description Changeover Automatic Automatic or manual changeover operating mode. Manual → Chapter ‘Word Clock Changeover’. Limit Signal 1 –...
  • Page 49 Functional Description and Specifications RUB SW Page 49 4.6 “Word Clock“: Set-Up of Word Clock Monitoring This function offers to set up the word clock monitoring and changeover characteristic. Configuration (example shows a screen shot of the PC program tab): Word Clock Monitoring Mode The signals of a pair (signals 1 of CLOCK IN 1 and CLOCK IN 2, etc.) should have same level and frequency.
  • Page 50 Page 50 Functional Description and Specifications RUB SW Level: The level is important for the “signal loss” detector. Only the peak-to-peak value should be regarded, any DC offset will not be taken into account. SW sets the signal threshold to 62 % of the level, approximately. Level measurement takes place only after the following events: First detection of a signal, “Error Reset“...
  • Page 51 Functional Description and Specifications RUB SW Page 51 4.7 “Link”: Communication between Modules Link uses the Rubidium internal TC_link interface to transmit or receive data. This interface is shared by all the modules in one frame, and via the RLC connector it is possible to link further modules at different frames.
  • Page 52 Page 52 Functional Description and Specifications RUB SW 4.8 “System“: Identification, Reset, SNMP, Fan Control Configuration (example shows a screen shot of the PC program tab): Unit Name: The connected module can get a name. You may enter, change, or verify this name at this window.
  • Page 54 Contact Us U.S.A. Corporate Offices: Plura Broadcast, Inc. Ph: +1-602-944-1044 Sales@plurainc.com GERMANY Plura Europe GmbH Ph: +49-6725-918006-70 Sales@plurainc.com Plura MEA U.A.E. Ph: +971-50-715-9625 Sales@plurainc.com S. KOREA Plura Asia Ph: +82-10-6688-8826 Sales@plurainc.com...

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