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FMS Fault Monitoring System

1. __ EN 9 Cono System peran FMS Mester Fault Monitor Y Y 5 2 NS NL H UNS PSS PY d 537 V V hod V P Warn New Batt Mains Misc Amp LS 1 Batt Mains Count 1 1 1 Line Fail Fail CPU Monitoring Fault Type Mbdule Powbr 11 MEM RENE Lael 17 24 20 21 22 la last az s ro 0 115 5 25 FITTED LEGEND SPECIFICATION CPU reset CPU fault warning indicator or push button em indicator push bu Fault ind ault indicator leneous fault indicator 3 Labelling ier fault indicator auxillary channel and loudspeaker fault aker Line fault indicator ing bl engraved labels with m in operation indicator to the front of the unit indicator indicator master ch with white let GAN and red Tannoy t indicators All power and r fault indicators m healthy indicator ill be AMBER LEDs will be GREEN LEDs will be labelled permanently glued Fail to Power On inc Auxillary Channel 1 fault indicator Auxillary Channel 2 fault indicator Auxillary Channel 5 fault indicator Auxillary Channel 4 fault icator Lou aker Line fault indic Lou aker End of Line indicator Lou ker Earth Fault indicator Loudspeaker fault indicator channels as required No Lamp Fh 9
2. 13 3 ei RR aeq req ahi E dee aa me 13 7 3 1 Supply Monitoring s eue en eoo eei oce era sos teet Kop la ean een ebd 13 73 2 MOMON poete UR 14 7 3 8 Microphone Unit Surveillance 14 7 3 4 Microphone Surveillance using pre amplifier 15 7 3 5 Message Card 15 7 3 6 Surveillance amp Audix Amplifiers 17 7 3 7 Data Comm s opted op 17 7 4 Loudspeaker Line Surveillance BS EN 60849 1998 17 7 4 1 End Orne s te oi ri iste an SAR but a 17 uoopBack Monitoring pete Eb A e ped eoo EROR E Ud 19 8 Fault Monitoring Module DetailS sss 22 8 1 VT704 Auxiliary Monitoring Module Connector Pin Out and Jumper Settings 22 8 1 1 VT704 Board eoe mr p bacon oet err 24 8 2 VT705 Surveillance Oscillator Module Connector Pin Out and Jumper Settings 25 8 2 1 VIZO05 Board cce eoe e e oe o erit Thee tre oe t 26 8 3 VT681 Surveillance Detector Module Connector Pin Out and Jumper Settings 27 8 3 1 VT681 Board er e torte perti octo pie 28 84 VT725 End of line monitor channel for FMS Connect
3. 104 41048 22dB ALPHA MATRIX OdBu 83 1dB RANGE OF GAIN 10dBu Typically OdB gain typ 40dB 424 RA 1B UPTO 3 SOURCES CAN BE SURVEYED RCE SURVEY TONE ROUTED TO ALL 1 O P S THEN 2nd SOURCE SURVEY TONE ROUTED TO ALL 16 O P S THEN 3rd SOURCE VEY TONE ROUTED TO ALL 1 THEN ey Page 37 of 38 e 77779 21006 V1 3 15 8 8 MIN MAX END OF LINE DETECTOR 10dB 0 6V 10dB 6V PK PK OF 20kHz PRE IMPOSED SIGNAL 0 6 LOWEST SIGNAL DECTECTOR WILL SEE 6V HIGHEST LEVEL WITHOUT CAUSING AUDIBLE CLICK Fault Monitoring System DVM Measurements measure between 1 leg and OV 100 Speaker line Both legs same EOL responses DC relative to OV IDLE 12V EOL PULSE 10V approx 1 sec ims packet EARTH FAULT if lt 8V EOL FAULT if gt 13V ALPHA MATRIX VECTOR AMPLIFIER CPA AMPLIFIER GE OF GAIN ctivate 4248 24V 5 Pulled down to FTT pulse pde EE Long Wake up Vector amp END OF LINE DETECTOR 10dB 0 6V 10dB 6V PK PK OF 20kHz PRE IMPOSED SIGNAL 5 MIC AMPLIFIER
4. of line monitoring cabling should be extended to 2 gang box min depth 32mm supplied and mounted by the installer in a serviceable location If it is not possible to fit the units at less than 3 metres high Audix should be consulted to confirm serviceability Care should be taken to avoid undue stress on the circuit board or the components On it by excessive cable tails The entire loudspeaker circuit must have the outer shell isolated from earth or provide a third conductor It is essential that the outer sheath third conductor is continuous from the EOL unit to the equipment rack and that it is not used as a protection earth under any circumstances The unit is wired as follows Brown Live core 1 Blue Live core 2 Green Screen or third conductor Page 18 of 38 Quat J 21006 V1 3 7 TISYSTEMS Fault Monitoring System C TANNOY AUDIX SYSTEMS VOICE ALARM SYSTEM Automatic Monitoring for Loudspeaker Circuits gt Audix engineering should be consulted to assist if any queries arise Operation see drawing at rear of this handbook The system outputs a 20 30ms long 20KHz pulse down the 100V loudspeaker line of between 0 6 6V peak to peak The End of Line unit responds by applying a DC offset to the 100V line relative to the v of the rack supply If the DC voltage is measured between one leg of the 100V line and the reference the following levels should be detected Idle state 12V E
5. Page 8 of 38 9 21006 V1 3 TISYSTEMS Fault Monitoring System Cy HE 20111 05 N Ney Py Slave Fault Monitor AGAT NGA NE NT REA Mm 8 SUP RP Batt Mains ON Fail Module Power N LEGEND y Fail to Fh Fail to Fh to Line Oc fault End of Line fault indicator Earth Fault fault indicator channels indic or SPECIFICATION 1 19 inch x 1U rack mounted Finished in black semi Tannoy Audix logos ite lettering and red Status ir All po m be GREEN LEDs All fault indicators will Labelling All loud labell using black engraved la to the front of the unit with white lettering permanently glued 9 Page 9 of 38 7 TISYSTEMS 21006 V1 3 Fault Monitoring System 6 1 FMS Master Chassis The FMS Master Chassis is a 1U rack mounting unit which provides the central collection and display point for all fault monitoring information within a monitored Audix system The facilities it provides are as follows MODULE POWER Three indicators monitoring the power supply in this chassis only ON indicator Power is available to drive this chassis If this indicator is off other indicators on this panel may be invalid MAINS FAIL indicator No mains supply is avail
6. circuit detectors although line level detectors maybe connected at the microphone input to the equipment rack to aid fault diagnostics The surveillance level is set on the by turning VR2 labelled Set 20KHz level 7 3 5 Message Card Surveillance alpha controller with message card option only The alpha message card features a 20kHz surveillance tone generator The tone is digitally generated by the DSP processor and mixed with the digital audio message M Page 15 of 38 Quat z 21006 V1 3 7 TISYSTEMS Fault Monitoring System Failures of any part of the digital or audio circuit will result in the level of tone being reduced to an undetectable level The FMS will detect the failure of the surveillance signal to emerge from the message card This is generally achieved by the speaker circuit detectors Page 16 of 38 Quat J 21006 V1 3 7 TISYSTEMS 11 diye Fault Monitoring System 7 3 6 Surveillance amp Audix Amplifiers In order to allow the surveillance through the system Output 16 the a pha s 1 0 port should be configured to send a wake up signal to power amplifiers The purpose of this signal is to command Audix MOSFET Power blocs to change from their low power consumption mode asleep to quiescent state awake This allows the surveillance tone to pass through amplifiers without missing the first part of the signal 7 3 7 Data Comm s Monitoring Fault monit
7. fault monitoring system it is installed in the FMS or FMSX chassis This module provides 20kHz surveillance tone output The output can be either Pulsed or constant and has outputs with reference to 100v Line Line level and mic level signals ID Std Alt Function Fit J1 fit Enable J1 open Disable Terminal No Function 1 20kHz Out wrt LS Level 2 20kHz Out wrt LS Level 3 20kHz Out wrt Line Level 4 20kHz Out wrt Line Level b 20kHz Out wrt Mic Level 6 20kHz Out wrt Mic Level Page 25 of 38 Quat 2 J 21006 V1 3 7 TISYSTEMS Fault Monitoring System 8 2 1 VT705 Board Layout 3 st 1 1 1 1 1 1 Page 26 of 38 21006 V1 3 Fault Monitoring System 8 3 VT681 Surveillance Detector Module Connector Pin Out and Jumper Settings This module is part of the Audix FMS fault monitoring system it is installed in the FMS or FMSX chassis Two standard versions are produced one set up for monitoring 100V LS line circuits the other set for OdBu distribution line level circuits ID Std Alt Function Fit fit Enable Earth Fault Monitoring open Disable Earth Fault Monitoring J2 open Enable 20kHz tone detection J2 fit Disable 20kHz tone detection Terminal No Function 1 Input 2 Input 3 Screen gt 4 7
8. indicators on Surveillance Detectors in FMS no legend and FMSX Chassis and Amplifier fault indicators on FMC s Hold down for real time display of these faults To avoid re triggering Fault in System indicator operate this button in conjunction with Accept button 7 TISYSTEMS M fas Page 10 of 38 21006 V1 3 Fault Monitoring System CPU MONITORING Monitoring of microprocessor watchdogs in all chassis in the system Page 11 of 38 Quat z J 21006 V1 3 7 TISYSTEMS Fault Monitoring System COUNTER 7 digit Total count of watchdog faults reported from all chassis in system The device fitted is a non volatile electromagnetic non resettable counter and hence displays the total watchdog fault count throughout the life of the unit WARN indicator One or more microprocessor watchdog faults have been detected and remain unrepaired within the monitored systems connected to this FMS NEW COUNT indicator A new microprocessor fault has been detected and should be accepted 6 2 FMSX Slave Chassis The FMSX Slave Chassis is similar in appearance to the FMS Master Chassis and is connected to it by the Fault Monitoring Ribbon cable bus The system may be extended by fitting further FMSX Slave Chassis The facilities provided in each are as follows MODULE POWER as for FMS above PLUG IN MONITORING up to eight further modules as for FMS above MODUL
9. open FMS normal mode J2 fit FMS Test Mode enable J3 open Watchdog Failure not reported as System Fault J3 fit Watchdog fault reported as System Fault J4 fit FMS bus common to master FMS OV J4 open FMS bus common isolated from Slave J5 open New Watchdog not reported as System Fault J5 fit New Watchdog reported as System Fault J6 1 2 System Fault relay de energised on Fault Condition J6 2 3 System Fault relay cycle on Fault Cond follows Flashing LED Page 32 of 38 Quat 2 J 21006 V1 3 7 TISYSTEMS Fault Monitoring System A S 4 A H m 1 3 i 5117 E D 4n enun p FO 8 6 1 Test mode Fitting the Test Mode jumper inverts the operation of the loudspeaker line surveillance card VT725 indicators The Line Fault indicator pulses on when the surveillance source is OK If the indicator does not light the surveillance level is not correct Use the Alpha view edit survey level menu to permanently activate a surveillance source all other inputs are de activated Adjust the level until the line fault indicator is permanently lit The message card surveillance level can be adjusted at this point Other surveillance sources ie Fireman s microphone are adjusted at the microphone 8 7 D792a TPMSL100 Card There are extra terminals and another ribbon cable connector on the TPMSL100 to accommodate the System Fault outputs
10. 38 21006 1 3 Fault Monitoring System 6 Non Latched faults The following faults will operate and latch the Fault in System LED and activate the buzzer However the fault indicators will clear if the fault is fixed ie does not need the Reset pressed O O IMPORTANT O Switch line failure VT 704 ie MSL1000 connection SIUI SMU data failure the Alpha logs the number of SIUI faults Alpha firmware version 5 16 and later DO latch a Comms fault Battery Fail Charger fail Mains fail An EOL fault does NOT latch and also does NOT light the Fault in System LED However EOL failures are usually also indicated by the Line Fail LED which does latch All other fault types latch on and need to be Reset to clear S 22 2 7 7 TISYSTEMS Page 6 of 38 21006 V1 3 Fault Monitoring System Fault Output Fault Bus Monitored EMERBOX 22 FIREMIC Fault Bus Fault Bus Fault Bus 5 Fault Bus BATTERY FAULT BL TERMINATOR Schematic of A Fault Monitored System Page 7 of 38 WU 2 2 21006 1 3 7 18YSTEMS Fault Monitoring System 23 2 22 28
11. Audix Systems Station Road No Wenden ON Saffron Walden Essex CB11 440 Telephone 44 0 1799 540888 is Facsimile 44 0 1799 541618 2 www tycosafetyproducts europe com www audixsystems co uk Z IISYSTEMS Fault Monitoring System User Manual V1 3 Ref 21006FMS V1 3 doc Fault Monitoring System 1 Revision History Version Modifications Date 1 0 Original issue 02 07 97 1 1 Re Formatted Version 23 07 99 1 2 Modifications 06 10 01 1 3 Add signal level details 5 4 05 Copyright Audix Systems 2005 DISCLAIMER This manual contains information that is correct to the best of Audix Systems knowledge It is intended to be a guide and should be used as such It should not be considered as a sole source of technical instruction replacing good technical judgement since all possible situations cannot be anticipated If there are any doubts as to exact installation configuration and or use call Audix Systems at 444 0 1799 540888 ACKNOWLEDGEMENTS All trademarks are recognised Page 2 of 38 Quat 4 21006 V1 3 7 TISYSTEMS Fault Monitoring System 2 Technical Support In the unlikely event of you having problems with your Fault Monitoring System please contact our Customer Services Department Audix Systems Station Road Wenden Saffron Walden CB11 4LG Tel 01799 540888 Fax 01799 541618 3 Models Covered This user man
12. EOL Earth Two legs O C One conductor O C EOL disconnected faulty One conductor shorted to e earth Page 29 of 38 Quat z J 21006 V1 3 7 TISYSTEMS Fault Monitoring System 8 4 1 VT725 Board Layout 9609 FMS CHASSIS REAR Page 30 of 38 NT Quac 22 J 21006 V1 3 TISYSTEMS Fault Monitoring System 8 5 VT726 End of Line Monitor Card Connector Pin Out and Jumper Settings This module is part of the Audix FMS fault monitoring system it is installed at the far end of site loudspeaker cables ID Std Alt Function Fit J1 2 3 Mode select Detect 20kHz balance error J1 1 2 Mode select Detect 20kHz level only Terminal No Function 1 Input 2 Input 3 Screen There are no adjustments that can be made on this board 8 5 1 VT726 Board Layout 0o00 EE Cl TP5 9 31 01 38 9 21006 V1 3 TISYSTEMS Fault Monitoring System 8 6 VT676 Main Board for FMS Jumper Settings This module is part of the Audix FMS fault monitoring system and is installed in the Audix FMS Fault Monitoring master Panel The card includes the power supply for the Channel Cards that are installed in the FMS ID Std Alt Function Fit J1 fit Enable buzzer open Silence new fault warning buzzer J2
13. ES 6 3 Plug in Monitoring Modules These modules may be fitted into the Monitor Module slots in either the FMS Master or FMSX Slave Chassis with a maximum of eight being housed in each chassis For full details on each of the fault monitoring modules available please refer to Fault Monitoring Module Details section of this manual 7 Interfacing with Audix Equipment Faults are transferred between equipment in one of two ways via single contacts or via the fault bus 7 1 MSL1000 to FMS A Single switch contact from the MSL1000 is provided showing there is a Fault has been detected with either the MSL1000 or the Alarm Switch lines A VT704 auxiliary monitor card must be fitted to the FMS to monitor this contact Page 12 of 38 Quat pi 21006 V1 3 7 TISYSTEMS M Fault Monitoring System 7 2 Amplifier to FMS The Vector Power amplifier has built in fault monitoring card FMC that provides monitoring and display of faults within the amplifier chassis All faults detected are reported to the system FMS via the Fault Monitoring Ribbon Cable bus The following indications are provided ON Power is available to drive this chassis If this indicator is off other indicators on this panel may be invalid Power Fail Main No mains supply is available Battery Not applicable as battery charger forms part of the separate battery pack Charger Not used Indicated on battery packs Amplif
14. Emerbox comprises mic amp pre amp 5 VT725 p Page 38 of 38 Quat f 21006 V1 3 7 TISYSTEMS uu
15. OL pulse 10V for approx 1 second every 30 seconds If the DC offset is less than 8V this typically indicates an Earth fault If the DC offset is greater than 13V this typically indicates an EOL fault 7 4 2 Loop Back Monitoring On a loop back system each detector is connected to a pair of conductors returned from the loudspeaker at the far end of the line Mar Uo Page 19 of 38 Quat A 21006 V1 3 2 TISYSTEMS Fault Monitoring System Speaker loopback Rack Terminations If a loop monitored loudspeaker circuit is specified then a return cable is required from the last speaker or junction box Cable size should be a minimum of 0 5mm twin and is similar fire rating to that of the main circuit It is important with this type of monitoring that all loudspeakers junction boxes are on one loop as spurs will not be monitored 20 of 38 Quat 2 J 21006 V1 3 7 TISYSTEMS Fault Monitoring System The surveillance monitors the speaker loop cable up to the terminal block in the junction box supplied by others leading to the speaker Monitored Monitored Terminal block Junction box Speaker Line Surveillance Loudspeaker lines are protected from short circuit in the first instance by current limiting on the output of the amplifiers If the failure persists the amplifier output transistors will start to get hot A thermal cut out is triggered at 85 C which reduc
16. TISYSTEMS Page 27 of 38 21006 V1 3 Fault Monitoring System 8 3 1 VT681 Board Layout Page 28 of 38 NT Quac 22 J 21006 V1 3 TISYSTEMS Fault Monitoring System 8 4 VT725 End of line monitor channel for FMS Connector Pin Out and Jumper Settings This module is part of the Audix FMS fault monitoring system and is installed in the FMS 5 chassis D725 is the FMS support and interface module for the D726 End of Line monitoring unit It provides phantom d c power for an end of line transponder E O L unit via the 100V loudspeaker line and has indicators on the FMS panel to show any LS line faults reported by the associated E O L monitoring unit There are no adjustments on this card Variant D725V01 has an extra feature a relay contact to indicate a fault has been detected on the Loudspeaker Line The relay is normally de energised in the no fault condition To reduce battery drain To avoid a line fault indication if FMS power fails ID Std Function Fit Enable EARTH FAULT monitoring open Disable EARTH FAULT monitoring J2 Never fitted Terminal No Function 1 Input 2 Input 3 Screen 4 Channel Fault relay V725 V01 Only 5 Channel Fault relay W V725 V01 Only 6 Channel Fault relay NC V725 V01 Only The following indicators are used on the front panel Line Fault Line Fail
17. able BATT FAIL indicator No battery supply is available SYSTEM OPERATING indicator Module Power On Mains and or batteries indicator is on in all chassis connected to this FMS showing that all units are powered FAULT IN SYSTEM indicator One or more faults have been detected within the monitored systems connected to this FMS If the indicator flashes then a new fault has been detected and should be accepted If the indicator is on steady then all faults have been accepted but one or more faults remain unrepaired An audible warning will sound while the indicator is flashing Optionally the audible warning may be permanently muted FAULT TYPE Breakdown by category of Faults in System BATT indicator No battery supply is available MAINS indicator Mains supply not available in a monitored chassis MISC indicator Memory or sub assembly fault AMP indicator Amplifier fault in a Monitored Vector Amplifier Chassis LS LINE indicator Fault in high frequency 20kHz surveillance signal path amplifiers and loudspeaker circuits ACCEPT button Accepts the presence of a new fault in the system stopping the flashing of the Fault in System indicator and leaving it either off if the fault has been removed or on steady if the fault persists Also cancels New Count indicator and mutes the audible warning RESET hidden button Resets latched
18. entral comprehensive check of the system status The FMS Master Chassis is linked to Slave Chassis and Monitored Vector Amplifiers by a single ribbon cable Any fault condition in the system is indicated on the Central Fault Warning panel and externally by Volt free changeover relay contacts for interfacing to the MCS All microprocessors within a system are fitted with watchdog circuits and a fault condition detected by any of these will sound a buzzer and increment a non volatile counter on the Central Fault Warning panel Fault detection circuits are built into all Monitored Vector Power bloc Amplifiers and report any amplifier failure to the central panel Fault monitoring for Audix systems is based on the FMS Master Chassis and ancillary units connected to the Fault Monitoring Ribbon cable bus The ancillary units supported include the FMSX Slave Chassis Matrix and various application specific devices The above items provide comprehensive Fault Monitoring for any system and are particularly applicable where the monitored system is required to comply with safety standards such as BS5839 The primary areas that may be monitored for faults are i Power ii DC Power iii Audio paths from the signal source to the end of loudspeaker circuits iv Operation of Audio Power Amplifiers v Microprocessor Watchdogs vii Microprocessor Memory contents vi Serial Data paths NX WY 7 TISYSTEMS Page 5 of
19. es the amplifier input to reduce the transistor load e Page 21 of 38 Quat 2 J 21006 V1 3 7 TISYSTEMS Fault Monitoring System 8 Fault Monitoring Module Details 8 1 VT704 Auxiliary Monitoring Module Connector Pin Out and Jumper Settings This module is part of the Audix FMS fault monitoring system it is installed in either the FMS or FMSX chassis It is used to monitor four external lines for DC voltage conditions Compares voltage on each line with individually adjustable reference and provides selectable high low alarm and interfaces into the FMS ID Std Function open Channel 1 set to monitor external voltage Channel 1 set to monitor a switching contact J2 1 2 Channel 1 to show fault on high voltage or N C contact J2 2 3 Channel 1 to show fault on low voltage or N O contact J3 1 2 Channel 1 fault reported by FMS as Mains Fault PF J3 2 3 Channel 1 fault reported by FMS as Miscellaneous Fault MF J4 open Channel 2 set to monitor external voltage J4 fit Channel 2 set to monitor a switching contact J5 1 2 Channel 2 to show fault on high voltage or contact J5 2 3 Channel 2 to show fault on low voltage or N O contact 46 1 2 Channel 2 fault reported by FMS as Battery Fault BF J6 2 3 Channel 2 fault reported by FMS a
20. from an Audix Systems FMS system Page 33 of 38 Quat z J 21006 V1 3 7 TISYSTEMS Fault Monitoring System f RES FROM PL1 TO 182 25 26 5 1 52 53 54 Y5 Y3 m 20 4 m 25 PL2 PL EPS LI X B TB TB3 5 T8 T87 TB lt S R NEW NC w NO j Acc S1 53 IP pe P ip P RES RE FAL RN 1 Os E 5 6 15 8 9 i 17 15 14 15 li T 2 lnc w s2 54 ov IOV OV Ovlov OV OV lov ov 10 OV 10 ov Pinouts for TPMSL100 10W ribbon cable for FMS Fault outputs Pin Core Description FMS D Pin out 1 New Fault Contact NO when relay not powered 2 2 New Fault Contact Wiper 6 3 New Fault Contact NC when relay not powered 1 4 System Fault Contact NO when relay not powered 8 5 System Fault Contact Wiper 3 6 System Fault Contact NC when relay not powered 7 7 Fault Accept Contact 1 4 8 OV return for Accept Contact 9 9 5 Page 34 of 38 9 22 z 7 7 TISYSTEMS 21006 V1 3 Fault Monitoring System 9 Alpha fault indications The alpha PSU card provides the built in FMS functions a
21. ier Fail 4 off The indicated amplifier power block is faulty These indicators are latched on this card and must be reset from the FMS 7 3 Alpha to FMS As the alpha forms a major part of the signal control and routing it is a critical component and therefore requires monitoring The alpha can also be configured to perform monitoring on other critical paths and components connected to it Each voice alarm system that is to comply to BS5839 and other standards requires to be specifically designed to achieve that end 7 3 1 Supply Monitoring The alpha provides fault monitoring of the primary and secondary power supplies Mains e 24 Volt Battery Indication of supply failure is in the form of front panel LED s e Mains supply failure e Battery supply low voltage failure e Charger failure fault line from external charger Detection of these supplies is repeated at the FMS unit Indication that power is present from either of the supplies is in the form of a green power on LED Page 13 of 38 Quat pi 21006 V1 3 7 TISYSTEMS M Fault Monitoring System 7 3 2 Audio monitoring Monitoring of the critical audio path generally requires the signal path though the following components and connections Microphone capsule Microphone pre amplifier alpha audio stages including the switching matrix Power amplifiers End of speaker line The input source that is to be monitored
22. may be a line level input from another voice alarm system or messages stored internally externally to the alpha The audio fault monitoring system relies upon generation of a 20Khz surveillance tone This tone is injected or mixed into the audio input source The signal from this input source including the surveillance tones is routed to the speaker circuit A 20KHz FMS detector module at the end of the speaker circuit detects the presence of the surveillance signal On a fault occurring in this path a fault indication is displayed at the FMS unit once the detector timeout has been reached Under both broadcast and non broadcast conditions the signal from the surveyed input source is routed to the speaker circuit detector in a short burst or pulse the route is made for approximately 20ms Where a number of input sources are to be surveyed each source is sequentially routed to the speaker circuit detector This surveillance routing occurs every 30s If a fault occurs in any one of the critical input sources one of the pulses in that sequence will not emerge from the alpha matrix thus causing a fault to be detected 7 3 3 Microphone Unit Surveillance Standard SMU range of microphone units Except the SMU1 A 20KHz surveillance tone is automatically generated within the SMU This signal is injected or mixed into the critical route within the SMU Failure in any part of the audio circuit including open or shor
23. or Pin Out and Jumper Settings 29 8 4 1 VT725 Bo E one a demise eU 30 8 5 VT726 End of Line Monitor Card Connector Pin Out and Jumper Settings 31 8 5 1 VT726 Board o e et te e e eerte exte E 31 8 6 VT676 Main Board for FMS Jumper Settings 32 ET DIS2Qa TPMSLT100 Card ico eee per ebbe E 33 9 Alpha taultindiCallOns rc p NERA rte tanen ec Kur 35 Diagrams 1 Audio and surveillance levels 2 Data and EOL levels Page 4 of 38 21006 1 3 7 TISYSTEMS NS e Fault Monitoring System 5 Overview This monitoring of an Audix Voice Alarm system is carried out using the Fault Monitoring System or FMS The FMS system offers a wide range of monitoring options Audio path Serial data link Control contacts Amplifier Mains and battery supplies For voice alarm systems that comply with BS5839 require all of the above to be monitored on critical paths and components Critical paths are those paths through the voice alarm system that rely on equipment and the connections between them to achieve a voice alarm broadcast The 1U rack mounting FMS Master Chassis houses all Central Fault Warning and Local Power Status indicators as well as providing space for up to eight Monitoring Modules Any monitored fault in the system is indicated here providing a single c
24. oring of data communication and Input Controllers microphone processor The alpha controller continually polls SIU s serial interface unit connected to it On failing to receive a valid response from the SIU the alpha can be configured to report a comm s fault Failure or corrupted memory within the input controller can also be detected These faults are indicated on the front panel and repeated to the FMS 7 4 Loudspeaker Line Surveillance BS EN 60849 1998 A Surveillance Monitor Module slotted either the FMS Master or Slave Chassis provides loudspeaker line surveillance Each detector monitors the presence on the loudspeaker lines of 20kHz signal injected into the system by the microphone pre amplifier MPABS located in the PA Equipment Rack Two front panel indicators give separate warnings of line shorted to ground and line open or short circuit Two forms of speaker monitoring can be utilised End of Line or Loop Back 7 4 1 End Of Line Monitoring M 17 of 38 Quat pi 21006 V1 3 7 TISYSTEMS Fault Monitoring System End of line monitoring type devices have a third indicator giving indication should the remote detector become disconnected To allow monitoring of the integrity of the entire line each detector is connected to an end of line transponder functioning on a 3 conductor circuit The unit is supplied as a standard Matt Chrome MK double blanking plate 3329 For
25. ower fault LED s These indicate Mains fail Battery fail Charger fail o The system Watchdog has a Yellow warning LED This will latch on if there is a problem with the CPU or Message Cards A press button is provided to cancel this indication o If you have any faults with the Program or Configuration in memory resulting in CRC error these will be shown by the Yellow Memory fault indication o Any other miscellaneous faults are indicated on the Yellow Misc Fault LED amp 2 z Page 35 of 38 9 21006 V1 3 TISYSTEMS Fault Monitoring System o lf communications between the alpha and an SMU then this will be shown on the Yellow Comms Fault LED Using the LCD menu will allow the user to find which of the SMU s has failed Page 36 of 38 Quat 2 J 21006 V1 3 7 TISYSTEMS Fault Monitoring System 4 7 ff 190000000 000000000 AUDIO INJECTED ONTO 20kHz SURVEILLANCE TONE MIN LEVEL 50dB MAX LEVEL 22dB BLAH BLAH BLAH SURVEILLANCE LEVEL MAX MIN Emerbox comprises MPAB3S MIC PRE AMPLIFIER odB RANGE OF GAIN and Surve lance 20 INJECTED ONTO AUDIO 20kHz SURVEILLANCE TONE MIN LEVEL 62dB MAX LEVEL 42dB mic amp pre amp 62dB 421 AMPLIFIER GE OF G 42dB
26. s Miscellaneous Fault MF J11 open Channel 3 set to monitor external voltage 411 Channel 3 set to monitor switching contact J12 1 2 Channel 3 to show fault on high voltage or N C contact 412 2 3 Channel 3 to show fault low voltage contact J13 1 2 Channel fault reported by FMS as Mains Fault PF J13 2 3 Channel 3 fault reported by FMS as Miscellaneous Fault MF J14 open Channel 4 set to monitor external voltage J14 fit Channel 4 set to monitor a switching contact J15 1 2 Channel 4 to show fault high voltage or contact J15 2 3 Channel 4 to show fault on low voltage or N O contact J16 1 2 5 Channel 4 fault reported by FMS as Battery Fault BF J16 2 3 Channel 4 fault reported by FMS as Miscellaneous Fault MF Page 22 of 38 Quat z J 21006 V1 3 7 TISYSTEMS Fault Monitoring System Terminal No Function Channel 1 Input Channel 2 Input OV Channel 3 Input Channel 4 Input Po OV 2 2 e 7 TISYSTEMS Page 23 of 38 21006 V1 3 Fault Monitoring System 8 1 1 VT704 Board Layout or 91 gn sr Si er e gn ei aum Page 24 of 38 21006 V1 3 Fault Monitoring System 8 2 VT705 Surveillance Oscillator Module Connector Pin Out and Jumper Settings This module is part of the Audix FMS
27. s described below as well as an interface to the existing FMS System LCD Display r Thumb Wheel gt 2 M gt h 2 aipha 7 7711 System Controller Fault Monitor Power uec oe NUN Rd E O coh N N Power On X Mains Faliure 3 Engineers TEEN m NS Battery Faliure Por SEHR Dar SER X Battery Charger Faliure Keypad N Memory x Configuration Error slu Communications Failure Memory Program Error Alpha Front Panel e The alpha provides Fault indications for Power supply Battery Supply and Battery Charger Supply e A fault indication for serial communications error is provided and using the Front panel menu system more detailed information about the errors can be found e The alpha also provides Fault indications for any Program and configuration errors in compliance with BS5839 e The alpha has watchdog circuits on its CPU and message card DSP s In conjunction with the external FMS this provides BS5839 compliant watchdog monitoring The front panel of the alpha provides essential Fault Monitoring information This is to the show the user any problems with the system quickly Front panel LED Indicators from right to left o There is a single Green Power on LED This indicates the alpha is running either from Mains or Battery o There are 3 Yellow P
28. t circuit of the microphone capsule will result in the level of surveillance tone being reduced to an undetectable level The FMS will detect the failure of the surveillance signal to emerge from the microphone unit amp Page 14 of 38 2 Quatx 21006 V1 3 7 TISYSTEMS Fault Monitoring System This is generally achieved by the speaker circuit detectors although line level detectors maybe connected at the microphone input to the equipment rack to aid fault diagnostics Mic Gain Trim Mode Chime 20kHz Tone smuB 05 gcd 20kHz Switch settings 0 No surveillance 1 20kHz minimum output level Increasing by steps F 20kHz maximum output level 7 3 4 Microphone Surveillance using pre amplifier Microphone units without a built in surveillance generator SMU1 maybe connected to a or equivalent device The MPAB3 wall mounted microphone pre amplifier features a 20kHz surveillance tone generator This signal is injected or mixed into the critical route which includes the external microphone capsule Failure in any part of the audio circuit including open or short circuit of the microphone capsule will result in the level of surveillance tone being reduced to an undetectable level The FMS will detect the failure of the surveillance signal to emerge from the microphone unit This is generally achieved by the speaker
29. ual covers the following equipment FMS Master Fault Monitoring Chassis FMSX Slave Fault Monitoring Chassis VT704 Auxiliary Monitoring Module VT705 Surveillance Oscillator Module VT706 Fault Bus Termination Card VT725 End of line monitor channel for FMS VT726 End of Line Monitor Card VT681A Surveillance Detector Module Loudspeaker Level VT681B Surveillance Detector Module Line Level TPMSL100 MSL1000 Interface Module Page 3 of 38 IT Quat 22 21006 V1 3 7 TISYSTEMS Fault Monitoring System 4 Contents TE REVISION TAI e n RSS 2 2 Technical Support pe p a peto nd Dates dide nete eat leder ne cade eee 3 3 Models or 3 4 SANS ra SED DER ud 4 5 eap I LE 5 6 Nonsltatehed Taulte eet REEL teh m LE E edt aote feda 6 EMS M ster ias ied nae ne ba ae omnta bu sed ond tw ede 10 EMSX Slave Chassis iter Ren ea nae NUR eee EN DE 12 6 3 Plug in Monitoring erret t taut qub eot pedet Robe x tbe Road 12 7 Interfacing with Audix dote re re te e 12 PAV 20 0 00 10 edet ose ER eu eese E 12 T2 EMS co pectet oai Se boue cte evade edge tle

FMS Fault Monitoring System

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