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Bosch Security Systems | 2005-04 | 9922 141 10364en

Plena Voice Alarm System

| Basic System Manual | Installation

en

| 20

3.10 Loudspeakers

The voice alarm controller has 6 zone outputs (

Z1

to

Z6

). Each zone output consists of 2 redundant

loudspeaker lines (line

A

and line

B

). Normally, calls

and BGM are distributed to a zone over both
loudspeaker lines. If one of the loudspeaker lines of a
zone fails, it is still possible to distribute calls and BGM
to the zone over the remaining loudspeaker line (see
figure 3.7).

If it is necessary to detect the removal or failure of a
single loudspeaker, the following is advised:
•

Do not connect more than 5 loudspeakers to the
same loudspeaker line (line

A

or line

B

). Field tests

have shown that the impedance of loudspeakers and
loudspeaker lines varies with temperature and age.
The limit of 5 loudspeakers is set due to this
variation. In a more stable environment, the number
of loudspeakers can be higher.

•

Make sure that all loudspeakers connected to the
same loudspeaker line have the same impedance.

figure 3.7: Connecting loudspeaker zones

Z1

Z2

Z3

Z4

Z5

Z6

Ext

Booster

In

DC In

100V

0

Int

Booster

Out

100V

0

100V

0

100V

0

100V

0

100V

0

100V

0

24V

70V

100V

0

Call out

100V

0

100V

0

100V

0

100V

0

100V

0

100V

0

Z2

Z3

Z4

Z5

Z6

Z1

A

B

BGM/

100V

LBB1990/00

1A

1B

2A

2B

3A

3B

4A

4B

5A

5B

6A

Z6

Z5

Z4

Z3

Z2

Z1

6B

Note

The impedance measurement of the Plena Voice

Alarm System has an accuracy better than 2%.

The system only generates a fault if the line

impedance difference is greater than 15%

(default accuracy).

Note

The maximum load for the internal power

amplifier of the voice alarm controller is 240 W.

However, if the voice alarm controller is used in

2-channel mode and an external 480 W

amplifier is connected to it, the maximum

loudspeaker load can be 480 W at 100 V. This

is because in 2-channel mode, the internal

power amplifier of the voice alarm controller is

used for BGM only and distributes BGM at

-3 dB, from which follows that the maximum

power output is 240 W at 70 V and that the

loading caused by 100 V loudspeakers at 70 V

is also 240 W. The external amplifier is used for

calls only with 480 W output power and 100 V

loudspeaker line voltage.

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Содержание Plena LBB1990/00

Страница 1: ...Basic System Manual Voice Alarm System en Plena Voice Alarm System ...

Страница 2: ......

Страница 3: ...l Important Safeguards en 3 Important Safeguards Prior to installing or operating this product always read the Important Safety Instructions which are available as a separate document 9922 141 7014x These instructions are supplied together with all equipment that can be connected to the mains ...

Страница 4: ... with a spare power amplifier from the Plena range and compliant wiring and loudspeakers One channel system Supervision on for Loudspeaker lines 90 seconds interval 15 accuracy Main and spare power amplifier Short to ground Ground short Mains and battery power EMG mic Memory Please note that when used with the factory default configuration The background music BGM is muted when no spare power ampl...

Страница 5: ...11 2 2 Basic system 11 2 3 Voice alarm controller 12 2 3 1 Introduction 12 2 3 2 Hand held microphone 12 2 3 3 Internal power amplifier 12 2 3 4 Internal message manager 12 2 3 5 Supervision 12 2 3 6 Overview 12 2 4 Call station 15 2 4 1 Introduction 15 2 4 2 Overview 16 3 Installation 17 3 1 Introduction 17 3 2 Requirements 17 3 3 Unpacking 17 3 4 CD ROM 17 3 5 Hardware installation 17 3 6 Emerge...

Страница 6: ...rnal power amplifier supervision 29 4 5 11 1 channel and 2 channel operation 30 4 6 VOX configuration 30 4 6 1 Introduction 30 4 6 2 Vox 31 4 6 3 Speech filter 31 4 6 4 Phantom power 31 4 7 Call station 31 4 7 1 Introduction 31 4 7 2 Call station ID 31 4 7 3 Sensitivity 32 4 7 4 Speech filter 32 4 7 5 Termination 32 5 Operation 33 5 1 Switch on 33 5 2 Switch off 33 5 3 Calibration 33 5 4 Backgroun...

Страница 7: ... 40 6 Technical data 43 6 1 LBB1956 00 43 6 1 1 Electrical 43 6 1 2 Performance 43 6 1 3 Interconnection 43 6 1 4 Environmental conditions 43 6 1 5 General 43 6 2 LBB1990 00 43 6 2 1 Electrical 43 6 2 2 Message manager 44 6 2 3 Internal power amplifier 44 6 2 4 Interconnection 44 6 2 5 Loudspeaker outputs 44 6 2 6 Overrides 44 6 2 7 Trigger outputs 44 6 2 8 Trigger inputs 24 V DC out 45 6 2 9 Mic ...

Страница 8: ...Plena Voice Alarm System Basic System Manual Table of Contents en 8 Bosch Security Systems 2005 04 9922 141 10364en Intentionally left blank ...

Страница 9: ...na Voice Alarm System Configuration Software Manual 9922 141 1038x 1 5 Alerts In this manual four types of alerts are used The alert type is closely related to the effect that may be caused when it is not observed These alerts from least severe effect to most severe effect are Note Alert containing additional information Usually not observing a note alert does not result in damage to the equipment...

Страница 10: ...hese can be converted to non metric units using the information provided below table 1 1 Conversion of units of length 1 in 25 4 mm 1 mm 0 03937 in 1 in 2 54 cm 1 cm 0 3937 in 1 ft 0 3048 m 1 m 3 281 ft 1 mi 1 609 km 1 km 0 622 mi table 1 2 Conversion of units of mass 1 lb 0 4536 kg 1 kg 2 2046 lb table 1 3 Conversion of units of pressure 1 psi 68 95 hPa 1 hPa 0 0145 psi Note 1 hPa 1 mbar F 9 5 C ...

Страница 11: ...al facilities Hotels Small airports 2 1 4 Plena The Plena Voice Alarm System is part of the Plena product range Plena provides public address solutions for places where people gather to work worship trade or simply enjoy themselves It is a family of system elements that are combined to create public address systems tailored for virtually any application The range includes mixer pre system and powe...

Страница 12: ...ault is detected the voice alarm controller lights a LED on its front panel that indicates the cause of the fault 2 3 6 Overview See figure 2 3 for an overview of the controls connections and indicators on the voice alarm controller 1 Power LED VU Meter A combined power indicator and VU meter The green power LED is lit if the voice alarm controller is connected to the mains or back up power and sw...

Страница 13: ... mic RCP Router COM NC NO 10k 10k Trigger input 24V DC out Business Emergency NC TRG2 Override Trigger Output AUX L R PC Digital Mess age Monitoring Speaker Remote Control Panel Impedance Calibration In LBB 1 990 00 8900 199 0 0001 Plena Voice Alarm Controller Max output power 360W Rated output power 240W 115 230V 50 60Hz S N Design Quality The Netherlands N663 Phantom power Z1 Z2 Z3 Z4 Z5 Z6 Ext ...

Страница 14: ...00 to the voice alarm controller see section 3 8 23 Service settings A set of DIP switches to service the voice alarm controller Do not change the positions of the switches 24 Calibration switch A switch to calibrate the impedances of the loudspeaker lines for loudspeaker supervision see section 4 5 5 3 25 Configuration settings A set of DIP switches to configure the voice alarm controller see sec...

Страница 15: ...t provide the 100 V audio signal of the internal power amplifier of the voice alarm controller 45 Call output An output that provides the call audio of the Plena Voice Alarm System 46 Back up power inlet An inlet to connect a back up power supply to the voice alarm controller see section 3 15 47 External power amplifier input An input to connect an external power amplifier see section 3 9 These pi...

Страница 16: ...l call selector A button to select all zones see section 5 5 4 Push to talk button A push to talk PTT button to start the business call 5 Status indicators Three LEDs that indicate the status of the call station see section 5 5 6 Keypad connector A connector to connect call station keypads LBB1957 00 to the call station 7 Configuration settings A set of DIP switches to configure the call station s...

Страница 17: ...tallation details Make sure that there is a free space of at least 100 mm on both sides of the unit for ventilation The voice alarm controller has an internal fan which is regulated to keep the temperature inside the unit within the safe operating area Note Always compare the contents of a shipment with the descriptions on the shipment documents table 3 1 LBB1990 00 contents Description Quantity V...

Страница 18: ...d music source can be connected e g a PLN DVDT Plena DVD Tuner The signals connected to the L left and R right cinch sockets are mixed to form a single input signal figure 3 2 Connecting the emergency microphone 0 0 dB 6dB 20dB Process or reset Network Call EM G Music S pare Ground short Input Mains Battery Zone1 Zone2 Zone3 Zone4 Zone5 Zone6 Alarm Zone select Plena Voic e Alarm Con troller Fault ...

Страница 19: ...wer Z1 Z2 Z3 Z4 Z5 Z6 Ext Booster In DC In 100V 0 TRG 1 Int Booster Out 24V EMG Fault Call External Booster Out CD Tun er SEL1 SEL0 Firmwar e Upgrade Monitor APR mode Supervis ion 2ch operatio n LBB199 4 Off On USB Vox Speech filter Mic Line Vox LBB199 4 Rated input power 7 60VA Line fuse T6 3L25 0V for230V AC T10L25 0V for115V AC 115V 230V Apparat us delivered Connec ted for 230V Power Router War...

Страница 20: ...dspeaker line have the same impedance figure 3 7 Connecting loudspeaker zones Z1 Z2 Z3 Z4 Z5 Z6 Ext Booster In DC In 100V 0 Int Booster Out 100V 0 100V 0 100V 0 100V 0 100V 0 100V 0 24V 70V 100V 0 Call out 100V 0 100V 0 100V 0 100V 0 100V 0 100V 0 Z2 Z3 Z4 Z5 Z6 Z1 A B BGM 100V LBB1990 00 1A 1B 2A 2B 3A 3B 4A 4B 5A 5B 6A Z6 Z5 Z4 Z3 Z2 Z1 6B Note The impedance measurement of the Plena Voice Alarm ...

Страница 21: ...re are no active calls the Z pins are internally connected to the NC contact of the Volume Override At the moment a call is started in a zone the Z pin of the zone is internally connected to the NO contact of the Volume Override So the NC and the NO contacts determine which voltage is supplied to the positive pins of the override outputs Z Note By default the voice alarm controller is configured f...

Страница 22: ...n II for an example of a power saving 4 wire volume override Connect the NC contact of the Volume Override to the 24V contact of the Volume Override figure 3 10 4 wire volume override LBB1990 00 100V 0V 24V 0V NO NC COM NC NO NC TRG2 Override Trigger Output G 1 24V EM Fault Call Z1 Z2 Z3 Z4 Z5 Z6 NC COM NO NC COM NO NC COM NO NO 24V Volume Override COM NC NO NC TRG2 Override Trigger Output G 1 24V...

Страница 23: ...al which consists of the current BGM and calls The line output can be used to connect the voice alarm controller to a recording device e g a tape deck Note It is not possible to use 3 wire volume override in a basic system because it must be enabled using the configuration software See the Installation and User Instructions 9922 141 1037x and the Configuration Software Manual 9922 141 1038x for mo...

Страница 24: ...d to make business calls e g with an LBB1965 00 Plena Message Manager The input automatically starts a business call if the input is higher than 20 dB 100 mV for line and 100 µV for microphone inputs or if the VOX switch is closed see figure 3 14 figure 3 13 Mic line input with VOX functionality LBB1990 00 L R PC p Calibration Mic Lin GND Note In extended systems the mic line input with VOX functi...

Страница 25: ...ains power connection see section 3 15 2 Back up power connection see section 3 15 3 3 15 2 Mains power Proceed as follows to connect the voice alarm controller to the mains power 1 Select the local mains voltage using the voltage selector on the rear of the voice alarm controller figure 3 15 Status output contacts default table 3 4 Status output contact Contact Description EMG Emergency state See...

Страница 26: ...all out 100V 0 100V 0 100V 0 100V 0 100V 0 100V 0 Z2 Z3 Z4 Z5 Z6 Z1 A B NO 24V DC out 24V 1 Channel 2 Channel Int Booster Ext Booster BGM Sp are N C Spa re Call BGM Ca ll Volume Override 100V Made in China 1 2 1 2 Digital Message Monitoring Speaker Remote Control Panel 00 8900 199 00001 na Voice Alarm Controller output power 360W ed output power 240W 230V 50 60Hz Design Quality The Netherlands N66...

Страница 27: ...ds of the Asian Pacific Region For a basic system the differences between normal operation and the APR mode are When the emergency button see figure 2 3 no 12 is pushed on the front of the voice alarm controller an alarm message is automatically started This message is automatically repeated In the APR mode the red LED which during normal operation indicates that the zone is selected for an emerge...

Страница 28: ...t Then the program memory is checked and the processor resumes operation within 10 seconds The indicator remains on until the fault is acknowledged and reset Note Supervision is only necessary for systems that have to comply to the IEC60849 evacuation standard If the system does not have to comply to this standard leave the switch in the OFF position figure 4 2 Disabled indicator Processor reset N...

Страница 29: ...e of 15 is detected between the measured line impedance and its reference value the line is considered faulty 4 5 5 4 Short to ground supervision If supervision is enabled the voice alarm controller continuously monitors all loudspeaker lines in the system for short to ground situations If a leakage current 30 15 mA is detected in a line the line is considered faulty 4 5 6 Emergency microphone If ...

Страница 30: ...lls do not interrupt the BGM Both the internal power amplifier and the external power amplifier are supervised see section 4 5 10 4 6 VOX configuration 4 6 1 Introduction The type of source that is connected to the mic line input with VOX functionality is set using the Mic Line switch on the rear of the voice alarm controller see figure 4 3 If the source is a microphone put the switch in the Mic p...

Страница 31: ...ted This switch only has to be put in the ON position if the source is a microphone that must receive phantom power If the source is not a microphone or if the microphone does not accept phantom power leave the switch in the OFF position 4 7 Call station 4 7 1 Introduction The call stations are configured using the DIP switch at the bottom see figure 4 7 4 7 2 Call station ID The ID of the call st...

Страница 32: ...4 Speech filter If switch 7 is in the ON position a speech filter is activated for the call station The speech filter improves the speech intelligibility by cutting off the lower frequencies 4 7 5 Termination Switch 8 must always be in the ON position since basic systems contain only 1 call station table 4 7 Call station sensitivity Sensitivity Switch 5 Switch 6 15 dB OFF OFF 0 dB OFF ON 6 dB ON O...

Страница 33: ...eakers have been changed 5 4 Background music 5 4 1 Introduction The background music BGM is controlled using the BGM controls on the front of the voice alarm controller see figure 2 3 Proceed as follows to route BGM 1 Select the BGM source see section 5 4 2 2 Select the zones see section 5 4 3 5 4 2 Select BGM source Select the BGM source with the Select button see figure 5 3 A green LED indicate...

Страница 34: ...st the BGM volume see figure 5 5 The overall maximum volume of the BGM source is set with the master volume control which is located below the BGM source selector Select button see figure 5 3 Per zone the local volume can be adjusted with the zone volume switches which are located below the zone selection buttons Zone select see figure 5 4 5 4 5 Adjust frequencies The voice alarm controller has tw...

Страница 35: ...s to which the business call is distributed If the indicator of a button is off the zone is not selected Push the button to select the zone If the indicator of a button is on the zone is selected Push the button to deselect the zone 5 5 3 Make the announcement Push the push to talk PTT button of the call station to make an announcement see figure 5 8 The call is only distributed to the selected zo...

Страница 36: ...is closed 5 6 3 Acknowledge the emergency state The beeper can be switched off by acknowledging the emergency state with the EMG Ack button see figure 5 10 5 6 4 Exit the emergency state Exit reset the emergency state by pushing the EMG Reset button see figure 5 11 In order to reset the emergency state it first must be acknowledged see section 5 6 3 5 6 5 Distribute live speech 5 6 5 1 Introductio...

Страница 37: ...of the emergency microphone to make an announcement see figure 5 14 The live speech is only distributed to the selected zones see section 5 5 2 At the moment the PTT button of the emergency microphone is pushed The red EMG mic indicator is lit see figure 5 15 If they are currently distributed the default alert message and default alarm message are stopped Note If no additional action is taken with...

Страница 38: ...l button on the front panel of the voice alarm controller see figure 5 17 5 6 6 3 Start the alert message Push the Alert message button to distribute the message to distribute the default alert message see figure 5 18 The message is only distributed to the selected zones see 5 6 6 2 If the red Alert message indicator is off the alert message is not distributed Push the Alert message button to dist...

Страница 39: ...7 2 Acknowledge the fault state The beeper can be switched off by acknowledging the fault state with the Fault Ack button see figure 5 20 The following buttons also acknowledge the fault state and stop the beeper Alert button Alarm button PTT button of the emergency microphone 5 7 3 Reset the fault state Reset the fault state by pushing the Fault Reset button see figure 5 21 In order to reset the ...

Страница 40: ...ossible to determine the fault contact your dealer If supervision is disabled see section 4 5 the fault indicators do not function and the Disabled indicator is lit see figure 5 24 The availability of the indicators can be tested with the Indicator test button see figure 2 3 no 11 figure 5 22 System fault indicators figure 5 23 Loudspeaker line indicators figure 5 24 Disabled indicator Zone1 Zone2...

Страница 41: ...section 3 9 and section 4 5 11 Ground short A short to ground fault in the loudspeaker line cabling is detected Check all loudspeaker lines for short to ground situations See section 3 10 and section 4 5 5 4 Input An input contact fault is detected Contact your dealer This fault should not occur since this type of supervision is disabled see section 4 5 Mains A mains power failure is detected Chec...

Страница 42: ...Bosch Security Systems 2005 04 9922 141 10364en Plena Voice Alarm System Basic System Manual Operation en 42 Intentionally left blank ...

Страница 43: ... A Frequency response 100 Hz 16 kHz Speech filter 3 dB 500 Hz high pass 6 dB oct Output impedance 200 Ω Type 2x redundant RJ45 sockets to connect the call station to the voice alarm controller with Cat 5 Ethernet cables Operating temperature range 10 to 55 C Storage temperature range 40 to 70 C Relative humidity 95 EMC emission According to EN55103 1 EMC immunity According to EN55103 2 Dimensions ...

Страница 44: ...z Number of messages max 254 wave files Supervision EEPROM continuous checksum control Supervision DAC 1 Hz pilot tone Data retention time 10 years Rated output power 240 W Frequency response 50 Hz 20 kHz 1 3 dB 10 dB ref rated output Distortion 1 rated output power 1 kHz Signal to noise ratio flat at max volume 85 dB Supervision 20 kHz pilot tone Outputs 70 100 V screw terminal 100 V call out LBB...

Страница 45: ...LR 6 3 mm jack socket balanced Sensitivity 1 mV 1 3 dB mic 1 V 1 3 dB line Impedance 10 kΩ VOX threshold 500 µV mic 500 mV line Type Cinch stereo converted to mono Nominal input level 500 mV Type 3 pin XLR 6 3 mm jack socket balanced Nominal output level 1 V Maximum output level 1 V Type 3 pin XLR and screw terminals Controller output External power amplifier input voltage 1 V Controller input Ext...

Страница 46: ...Bosch Security Systems 2005 04 9922 141 10364en Plena Voice Alarm System Basic System Manual Technical Data en 46 Intentionally left blank ...

Страница 47: ...eper starts Simultaneously the default alert message and the default alarm message are distributed to all zones in the system Fault state If a supervised function fails the system automatically enters the fault state It starts a beeper de energizes the Fault Status output contact and lights an indicator on the front panel of the voice alarm controller LED Light Emitting Diode Electronic component ...

Страница 48: ...Bosch Security Systems 2005 04 9922 141 10364en Plena Voice Alarm System Basic System Manual Glossary en 48 Intentionally left blank ...

Страница 49: ... Remote control with basic functionality LBB1996 00 Remote control Remote control for controller LBB1997 00 Remote control kit Same as remote control but with rugged connectors LBB1998 00 Remote control extension Remote control extension for router LBB1999 00 Remote control extension kit Same as remote control extension but with rugged connectors LBB1956 00 Call station Based on existing LBB1946 w...

Страница 50: ...Bosch Security Systems 2005 04 9922 141 10364en Plena Voice Alarm System Basic System Manual Product Index en 50 Intentionally left blank ...

Страница 51: ......

Страница 52: ...For more information visit www boschsecuritysystems com Bosch Security Systems B V Data subject to change without notice 2005 04 9922 141 10364en ...

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