Bosch INTELLIVOX DDC LBC 3251/00 Installation Manual Download | Manualshive

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INTELLIVOX DDC

Installation Manual

EN

Active Line Array Loudspeakers
LBC 325x Series

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Summary of Contents for INTELLIVOX DDC LBC 3251/00

Page 1: ...INTELLIVOX DDC Installation Manual EN Active Line Array Loudspeakers LBC 325x Series ...

Page 2: ...d cleaners or aerosol cleaners but a damp cloth 6 Protect the product from overheating Do not block ventilation slots The product should not be built in unless proper ventilation is provided 7 The purchaser should not attempt to service the product as he or she may be exposed to dangerous voltages All maintenance and service should be carried out by Bosch Security Systems or its authorized agents ...

Page 3: ...nection of twin twisted network cable to the unit 18 Fig 16 Wiring configuration using asymmetrical cable type 20 Fig 17 Wiring configuration using RS 485 network cable type 21 Fig 18 Wiring configuration at the sensor using asymmetrical cable type 21 Fig 19 Wiring configuration at the sensor using RS 485 network cable type 21 Fig 20 LBC 3251 00 Intellivox 1b dimensions all measures in mm 22 Fig 2...

Page 4: ...closure is depending on the location of the electronics module In the standard LBC 325x 00 versions of the Intellivox the electronics module is mounted in the lower end of the enclosure as it is shown in Fig 1 The LBC 325x 10 versions however have the electronics module mounted at the top end Because of the extreme tight vertical radiation pattern of the Intellivox a small deviation from the calcu...

Page 5: ...an be used Alternatively the audio input can be supplied by an existing 70V 100V network if the default transformer balanced input board is installed Refer to chapter 3 2 and chapter 2 4 for more information The Intellivox is equipped with a RS 485 network interface This interface serves two basic purposes The first one is to adjust all relevant parameters i e gain steering angle during installati...

Page 6: ...o exceed 40 C an external fan should be connected to ensure proper operation of the Intellivox under all circumstances For this purpose an external 24 V relay should be connected to the terminal block marked Fan Relay Because of the limited drive current an external relay must always be used to switch the fan do not connect a fan directly to this terminal The external relay if connected will be en...

Page 7: ...e clamp 2 4 Signal connections All signal connections are realized by using WAGO series 231 cage clamp connectors A major advantage of these connectors is the fact that the connector can be fitted without the need for soldering The connectors can be used with 0 08 mm2 AWG 28 to 2 5 mm2 AWG 12 wires both stranded or massive The audio and RS 485 signal cable socket is supplied with the Intellivox Al...

Page 8: ...nsert it into the square hole of the corresponding connector pin as shown in the left side of Fig 5 The blade of the screwdriver should be inserted far enough into the connector The metal spring of the cage clamp which is visible from the side of the connector should be completely covered by the blade of the screwdriver refer to Fig 4 which shows the internal clamp construction 5 Push the screwdri...

Page 9: ...ng on the model identical wall brackets The brackets are supplied with each Intellivox and come in the same color as the enclosure A technical drawing of the bracket is shown in Fig 6 The brackets allow mounting of the Intellivox on a straight wall or on a curved surface pillar while keeping a distance of 25 mm 1 0 between the rear of the enclosure and the wall Refer to chapter 2 5 3 for the stand...

Page 10: ...In this case extra attention should be paid to the following aspects The threaded inserts are M5 metric and the depth is 16 mm It is advised to keep the rear side of the Intellivox free from the wall in order to prevent unwanted resonances 2 5 2 Measures and dimensions As mentioned earlier all enclosure dimensions refer to the Intellivox 2c Other models or custom supplied Intellivox DDC Installati...

Page 11: ... screws into the holes It should be possible to slide the bracket over the heads Check this with a bracket before mounting it to the column 4 Check if the chosen mounting holes ensure that the final position of the column will be in the vertical angle that is specified which is usually exactly perpendicular to the listening area Use extra spacers if necessary 5 Remove the front grill s of the Inte...

Page 12: ... make things even more complex the RS 485 terminal of the chassis also has a DGND pin while the ambient SPL temperature terminal has both GND and AGND pins The pins labeled GND are connected directly to the chassis The RS 485 DGND pin is not a ground pin but serves as a reference for the RS 485 AB and YZ wires Although the DGND pin should be connected to the shielding of the RS 485 cable when in u...

Page 13: ...t be connected to any other ground pin GND or DGND on the chassis Fig 8 Ground configuration of the Intellivox chassis Fig 9 Standard grounding configuration Because safety is a very important issue the safety ground pin of the IEC mains connector should always be connected to a low impedance ground network If the standard solution is chosen to be connected the audio line level inputs the groundin...

Page 14: ...n with totally decoupled audio ground Fig 11 Grounding configuration with low frequency decoupled audio ground The audio input transformers feature a very high Common Mode Rejection Ratio CMRR this means that an interfering signal which is coupled onto both the audio and signal wires is strongly rejected compared to the differential audio signal Unfortunately this high CMRR is only achieved at low...

Page 15: ...f the core The method described is also well suited for installations with multiple distributed units on one signal source If only one chassis is connected interruption of the loop near the signal source is theoretically a better option although this method can cause problems if the output of the audio source is not equipped with a transformer electronically differential output Due to the capaciti...

Page 16: ... expected which is depending on the configuration chosen Fig 14 Structure of the RS 485 network 3 3 Some notes on the RS 485 network interface In order to integrate the unit in a surveillance and control network a full duplex RS 485 terminal is incorporated The RS 485 standard is chosen for the ability of driving long cables the simplicity of the network topology and high immunity to external elec...

Page 17: ... Using low capacity low resistance cable the maximum length specified for safe transmission is 1500 m If the distance is significantly longer a network repeater will be needed Cable termination According to the official RS 485 standard the network should be terminated with 120 OHM resistors at both ends of each pair while the length of the stub lines should not exceed 7 m The RS 485 transceivers w...

Page 18: ...cess parameters is needed In conjunction with the adapter a dedicated cable is needed with a 9 pin sub D female connector and a WAGO cage clamp connector see Table 6 to Table 8 Table 6 RS 485 connection cable for use with RS 232 to RS 485 adapter Table 7 RS 232 pin description of the RS 232 to RS 485 adapter Table 8 RS 485 pin description of the RS 232 to RS 485 adapter Intellivox DDC Installation...

Page 19: ... situations the best location is determined by the microphone see also chapter 2 2 The auto gain will only work correctly if the diffuse ambient noise level is used as a reference This means that the microphone should be kept away from direct sound sources such as talking people outlets of the air conditioning system or other loudspeakers The implemented software protocol freezes the volume settin...

Page 20: ...re 18 and 19 show the wiring configurations for the sensor with the two cable types Fig 18 Wiring configuration at the sensor using asymmetrical cable type Fig 19 Wiring configuration at the sensor using RS 485 network cable type Intellivox DDC Installation Manual Appendix Bosch Security Systems July 2003 EN 21 ...

Page 21: ...3 5 Intellivox dimensions of the different models Fig 20 LBC 3251 00 Intellivox 1b dimensions all measures in mm Intellivox DDC Installation Manual Appendix Bosch Security Systems July 2003 EN 22 ...

Page 22: ...Fig 21 LBC 3252 00 Intellivox 2b dimensions all measures in mm Intellivox DDC Installation Manual Appendix Bosch Security Systems July 2003 EN 23 ...

Page 23: ...Fig 22 LBC 3252 10 Intellivox 2b dimensions all measures in mm Intellivox DDC Installation Manual Appendix Bosch Security Systems July 2003 EN 24 ...

Page 24: ...Fig 23 LBC 3253 00 Intellivox 2c dimensions all measures in mm Intellivox DDC Installation Manual Appendix Bosch Security Systems July 2003 EN 25 ...

Page 25: ...Fig 24 LBC 3253 10 Intellivox 2c dimensions all measures in mm Intellivox DDC Installation Manual Appendix Bosch Security Systems July 2003 EN 26 ...

Page 26: ...Fig 25 LBC 3254 00 Intellivox 4c dimensions all measures in mm Intellivox DDC Installation Manual Appendix Bosch Security Systems July 2003 EN 27 ...

Page 27: ...Fig 26 LBC 3254 10 Intellivox 4c dimensions all measures in mm Intellivox DDC Installation Manual Appendix Bosch Security Systems July 2003 EN 28 ...

Page 28: ...Fig 27 LBC 3256 00 Intellivox 6c dimensions all measures in mm Intellivox DDC Installation Manual Appendix Bosch Security Systems July 2003 EN 29 ...

Page 29: ...Fig 28 LBC 3256 10 Intellivox 6c dimensions all measures in mm Intellivox DDC Installation Manual Appendix Bosch Security Systems July 2003 EN 30 ...

Page 30: ...41 50511en Robert Bosch GmbH Geschäftsbereich Postfach 10 60 50 70049 Stuttgart Telefax 0711 811 12 34 www bosch de k Bosch Security Systems B V P O Box 80002 5600 JB Eindhoven The Netherlands Tele 31 40 27 80000 www boschsecuritysystems com ...

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