VARI-Directional Arrays
Contents
1. Coverage Horizontal fixed 130 6 dB avg 1 to 4 kHz Vertical adjustable Software configurable Additional processing capabilities available Maximum throw VARI B H 20 m VARI B H E 32 m VARI B H E E 50 m For the horizontal measurement the signals at all power amplifier outputs are summed together Measured as the A weighed difference in dB between the maximum rms level with pink noise input signal and the noise output with no input signal present Dynamic range gt 105 dB Transducers VARI B 4 Full Range 8 x 1 driver VARI BH 4 Coaxial 8 x 1 driver VARI E 4 Full Range 4 x 2 drivers VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V VARI Directional Arrays Technical Data en 41 Electrical Input line 2x Nominal input level 0 dBV rms Maximum input level 20 dBV peak Type Transformer balanced Impedance 7 8 kohm balanced at 1 kHz Input 100 V 2x Nominal input level 40 dBV rms Type Transformer balanced floating input Impedance I Mohm balanced at 1 kHz Power Amplifiers VARI B H 8 x 15 W Class D full bridge VARI E 4 x 25 W Class D full bridge Protection Current limiting Thermal shutdown PSU Mains voltage 100 to 120 V 200 to 240 V auto switching Power consumption Mains 24 V Power save mode2. VARI Directional Arrays LA3 VARI B LA3 VARI BH LA3 VARI E LA3 VARI CM LA3 VARI CS BOSCH en Installation Manual VARI Directional Arrays Table of Contents en 3 Table of Contents 1 Safety 5 1 1 Reference to EC statement of conformity 5 2 Introduction 6 2 1 Users notice and disclaimer 6 2 2 Intended audience 6 3 System Overview 7 3 1 What s in the packaging 10 4 Installation 11 4 1 Preparing for installation 11 4 2 Power Signal and Control cables 12 4 2 1 AC mains supply 13 4 2 2 Audio inputs 13 4 2 3 Backup DC power supply 13 4 2 4 Failure relay 13 4 2 5 Control input 13 4 2 6 RS 485 network 13 4 2 7 CobraNet input 14 4 2 8 Common analogue grounding issues 15 4 3 Adding VARI E Extension Units 15 4 3 1 Attachment method 16 4 4 Optional CobraNet module 19 4 5 Mechanical installation 20 4 5 1 Mounting height 20 4 5 2 Flush mounting 20 4 5 3 Mounting the loudspeaker 21 5 Connector and wiring details 23 5 1 AC Mains input 1 24 5 2 Backup DC power supply input 2 24 5 3 Line level input 1 4 and 2 5 25 5 4 100 V input 1 6 and 2 7 25 5 5 RS 485 network in 8 and thru 9 26 5 6 External control input 10 27 5 7 Failure relay 11 27 6 Configuring the VARI 28 6 1 Installation of VariControl software on a PC 28 6 1 1 Minimum PC requirements 28 6 1 2 Administrator 28 6 1 3 Software installation 29 6 1 4 Licensing and evaluation mode 30 6 1 5 Upgrading 33 Bosch Sec
3. VARI B H 13 4 5 W VARI B H E 17 7W VARI B H E E 19 9W Idle mode VARI B H 18 8 5 W VARI B H E 23 13W VARI B H E E 28 17W Max Noise CF 6 dB VARI B H 60 36 W VARI B H E 97 75 W VARI B H E E 124 100 W Power factor According to EN61000 3 2 class A Mains inrush current lt 70 A at 230 V Protection Thermal shutdown Current limiting Under voltage lock out Signal processing DSP 32 bit floating point 900 Mflops ADC DAC 24 bits S D 128x oversampling Sample rate 48 kHz Functions Pre delay Max 21 s Input delay Max 2x10s 4x5s Equalizer and compensation filtering Compressor Volume AVC Control Network interface RS 485 full duplex optically isolated auto switching 115k2 57k6 38k4 19k2 baud Max number of units 126 Maximum number that can be connected to one RS 485 subnet multiple subnets can be controlled by one host PC Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 42 en Technical Data VARI Directional Arrays Surveillance General status Amplifier and load monitoring External pilot tone detection 20 kHz to 30 kHz min level 22 dBV Built in ambient noise sensing microphone Thermal overload protection Failure relay Maskable conditions Contact 1 No failure closed Failure open Contact 2 No Failure 10 kohm Failure
4. Power supply The VARI base unit requires an AC mains supply Its internal power supply is of the auto switching type and will operate on voltages between 100 120 V or 200 240 V at 50 or 60 Hz It is equipped with power factor correction and has short circuit and over temperature protection The installer should ensure that an AC mains supply of sufficient capacity is available at the mounting location note the peak mains power consumption in the table below Configuration Max power Idle power VARI B BH 60 W 18 W VARI B BH VARI E 97 W 23 W VARI B BH 2 x VARI E 124 W 28 W WARNING The third terminal of the mains outlet must be connected to a proper safety ground Unpower the units during lighting storms or when unused for long periods of time unless special functions are to be maintained such as for evacuation systems 4 2 The VARI base unit and thus any attached extension units can also operate from a 24 V DC power supply and will automatically switch to this in the event of mains failure This may be sufficient to satisfy local safety regulations covering the use of sound systems in emergency situations but the installer should ensure that he she is aware of the precise local requirements in this respect It may be necessary to provide a separate mains distribution network or an uninterruptible mains power supply UPS Power Signal and Control cables Since VARI loudspeakers will fr
5. o f f lt 2 2 gt O V A v N 9 A SS gt 2 9 oy Zz 0 6 V 2 v AN Aa 7 SZ 1 SAN WA i EN EEr lt Y V N V V N C SA DL En T e x SS 4 SS 2 4 O ENE V 5 OK 2 OK OK SA XK f IN gt f SAS ES OO Wi AN X Xo W O 2 e LA3 VARI B LA3 VARI BH LA3 VARI B E LA3 VARI BH E LA3 VARI B E E LA3 VARI BH E E Figure 3 1 VARI overview grilles removed for identification VARI_June 10 V1 0 6 Installation Manual Bosch Security Systems B V VARI Directional Arrays System Overview en 9 VARI Configuration Set A VARI CS Configuration Set consists of the VariControl software application a computer interface and interconnection cables It should be ordered separately from the line arrays A VARI CS Configuration Set can be used repeatedly on multiple installations Bosch can accept no responsibility for the correct functioning of any other type of computer interface the use of OEM interfaces is not recommended VARI CobraNet Module
6. 4 After finishing registration it is possible to enter the VariControl Activation Center using the registered email address and password Invented for life BOSCH VariControl Activation Centre Welcome eet Please select one of the options below and press submit Download the latest version of the software Activate or renew my current license Move my current license to another computer Sign out Change h Figure 6 5 VariControl Activation Center Invented foriife E BOSCH This is your VariControl Activation Code License 818000001 Copy the code shown in the box below and paste it into the appropriete field of the application CEACACSE2C1E2E2C273A4285B418FB12E447RE CDCB7EDEC851D Figure 6 6 VariControl Activation Code Using the Site code and MID code which is PC specific an Activation code is returned 5 Tick the Unlock application radio button in the VariControl license window then enter copy paste the Activation code in the Activation code field Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 32 en Configuring the VARI VARI Directional Arrays VanControl Site code Daysleft 30 Activation code 1E2E2C273A4285B418FB 12E447AE3237C40B247A739772A 38C8D0 36A 12A93489 17458 10EACDCB7EDEC851D Unlock application Activation Homepage OEnter aplcaton Cancel Continue gt gt F
7. 4 Save J resets VARI B no extender Address gt 100 Normal preset 0 Modified Figure 6 11 Geometry and Results panes The five Geometry settings in the top pane represent the physical dimensions relating to the VARI s installed position The parameter values are simply entered by moving the on screen slider controls The ranges of available adjustment for some parameters varies with the loudspeaker configuration and are given in section 6 4 2 The Results display in the bottom pane shows the predicted performance of the VARI array and changes in real time to reflect the values of the physical parameters Two versions of the Results display are available selected by the two buttons above the diagram Coverage shows an on axis vertical cross section through the sound field On axis means that the cross section is perpendicular to the vertical centre line of the array The loudspeaker position is on the left hand vertical axis the vertical line represents the vertical position of the loudspeaker with the 0 reference at ear level on the start position and the horizontal line the coverage zone between Start and End distances The predicted sound field in front of the array is colour coded to show SPL Sound Pressure Level with a key relating colour to dBs on the right The thin straight line superimposed on the coverage plot indicates the ear level as specified by the currently set parameter values Right clicking
8. Kapittelweg 10 4800 RABreda The Netherlands www boschsecurity com Bosch Security Systems B V 2010
9. when the unit is configured see VariControl Help files for more information One set of contacts is fitted with internal resistors to permit impedance sensing fault monitoring equipment such as the supervised control inputs of Bosch Praesideo units to be interfaced Note that one side of each contact set is paralleled and brought out as the C pin of the external connector Pin 2 gt Pin1 Pin 3 gt Pini Normal operation Short circuit 10 kohm Fault condition Open circuit 20 kohm Connector type 3 pole 3 81 mm pitch Pin Function C NC hard switching NC impedance sensing W N Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 28 en Configuring the VARI VARI Directional Arrays 6 Configuring the VARI This section describes how to use the VariControl software supplied with the VARI CS Configuration Set to create a data file the configuration file specific to the loudspeaker being installed The electronics section within the VARI base unit is very sophisticated and controls all aspects of the VARI unit s operation The configuration file which is created in VariControl and uploaded to the line array not only specifies how the unit will perform acoustically e g volume coverage angles equalisation etc but also incorporates data specifying how the unit should operate under certain emergency conditions wha
10. Green Yellow Green Please use the two supplied cable ties as a strain relief First secure one cable tie around the cable itself Secondly secure the cable to the tie mount with the second cable tie so that the first tie is at the side of the connector Now lateral movement is restricted so that no strain can be placed on the connector 5 2 Backup DC power supply input 2 Connector type 2 pole 7 62 mm pitch Pin Function 1 24V 2 OV WARNING Because the DC power supply current can be quite high a minimum wire size of 2 5 mm2 or AWG12 must be used VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V VARI Directional Arrays Connector and wiring details en 5 5 3 5 4 Line level input 1 4 and 2 5 The VARI is fitted with two transformer balanced line inputs Selection of Input 1 or Input 2 as audio source is made from the VariControl software via the network and for many installations only Input 1 need be wired However Input 2 may be connected to a secondary signal path in case of a failure elsewhere in the system or to an emergency sound source For optimum results only use good quality balanced audio cable consisting of a twisted pair and an overall screen The audio source s should have a low impedance balanced output The nominal line input level is 0 dBV Connector type 3 pole 3 81 mm pitch Input 1 Input 2 P
11. Vari directional Array Please select Figure 6 8 Bosch Security System license website 6 1 5 Upgrading Registered users can download the latest version of the VariControl software from the VariControl Activation Center From here it is also possible to move a license to another PC When upgrading from a previous version of VariControl it is advised to backup the files in the Settings DDA Scenes and OffLine sub folders of the installation folder as well as the data folder if present Any changes that were made to the contents of the default files present in these folders will be lost those files will be overwritten during the installation process The default installation folder is Program files folder BOSCH VariControl User The default data folder is My documents BOSCH VariControl This data folder is created and populated with files from the installation folder during initial program execution of VariControl 6 2 Connecting the PC to the VARI The PC running VariControl software should be connected to the VARI base unit using the USB to RS 485 interface and cables supplied with the VARI CS Configuration Set If the front grille of the VARI base unit has not already been removed to attach an extension unit remove it now with the grille removal tool Remove the six self tapping screws securing the connector compartment cover panel and lift the cover off See Figure 5 1 in section 5 The interfac
12. and thru 9 The RS 485 network connection should be wired if the VARI is to be continuously monitored during operation or to be used for commissioning a large system The RS 485 interface permits multiple VARI line arrays to be daisy chained in parallel so that all units are controlled and monitored by the same PC Two RS 485 connectors in and thru are provided on each VARI to permit such interconnections to be made easily In such a system each VARI must have its own unique network address this will be determined via the VariControl software for each individual line array when the configuration file is loaded If only one VARI unit is to be connected to the RS 485 network the thru connector reference 9 can be ignored The pinout of the two RS 485 connectors is identical They should be wired as shown in the table and diagram below using cable with two separate twisted pairs with individual screens Connector type 5 pole 3 81 mm pitch RS 485 in RS 485 thru Pin Function Pin Function 1 Ground 6 Ground 2 Data Tx Y 7 Data Tx Y 3 Data Tx Z 8 Data Tx 2 4 Data Rx B 9 Data Rx B 5 Data Rx A 10 Data Rx A Note that the transmit Tx and receive Rx balanced data lines must be wired via their own twisted pairs The maximum cable length over which the network connection will operate reliably depends on the cable type and the baud rate used With good qua
13. resistance screen 59 1 ohms km Refer to section 5 5 for wiring details 4 2 7 CobraNet input The CobraNet interface carries multiple channels of digital audio as well as all control and monitoring data If a VARI CN CobraNet interface module is fitted to the base unit a single CAT 5 cable to the RJ 45 socket on the card replaces both the normal RS 485 and audio connections VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V VARI Directional Arrays Installation en 15 4 2 8 4 3 Common analogue grounding issues Using correct grounding procedures when connecting VARI line arrays gives several benefits Safety The GND terminal of the IEC mains connector provides a direct low impedance path from the metal parts of the chassis to ground Always connect this terminal Reduction of RF emission Although the electronics module in the VARI base unit is well shielded and external connections are decoupled to prevent RF emission from the internal high speed digital circuits this protection will not work properly if the chassis is not connected to ground RF Immunity RF currents induced in the signal cables by external RF fields are effectively shorted to chassis ground provided that the cable screen shield is of sufficiently low impedance In addition to the mains ground the VARI B BH connector block has ground pins on several of the other connectors Each serves a dedicated pur
14. which it is connected and the precise appearance of the opening screen will reflect the particular model s By double clicking a particular unit in the Network view the individual settings of that unit are shown and can be changed An example is shown in off line mode for the VARI B in Figure 6 10 0 User version D Data Ny aricontroliscenes example_VARI_all scn Fie View Parameters Command Groups Scene Tools Utilities Optons Help Ghanaa BE LAND 9 Net configuration i EEE Subnet 00 gt Offline mode 100 VARI B no extender J 101 846 1 extender 100 101 02 105 106 107 no m n2 ns 116 n7 102VARIB E4E 2 extenders VARIB VARIB E VARIB EsE VARIBH VARIBH E VARI BH E E 2 VARIB E VARI BE E Vani VARA BSE VARI BHEE 105 VARI BH no extender Cobrenet__Cobranet_Cobranet 106 VARI 8 5 1 extender 5 I 107 VARI BH E4E 2 extenders FE controt parameters Normal preset 0 Normal preset 0 120 VARIB no extender 121 VARI B 1 extender 112VARI B E4E 2 extenders Geometry J 115 VARI BH no extender 115 VARI BH E 1 extender l 117 VARI BH E 2 extenders Beam input volume Delay EQ avc Surveillance Other Groups io height 2 1m eee a Ear level 1 7m Rise 0 0 m gt End 20m Copy EASE xgic fie Beam DDA source fie that is installed in the unit s was not found 5 20 25 30 Hor position m Normal prese
15. 20 kohm Rating Max 24 V 100 mA Control voltage input 5 to 24 V DC optically isolated CobraNet Interface RJ 45 Ethernet 100 Mbps Word length 16 20 24 bit set by transmitter Sample rate 48 kHz Additional latency 1 33 2 67 5 33 ms set by transmitter Mechanical Dimensions H x W x D VARI B H 1200 x 130 x 98 mm 47 2 x 5 1 x 3 8 in VARI B H E 2400 x 130 x 98 mm 94 5 x 5 1 x 3 8 in VARI B H E E 3600 x 130 x 98 mm 141 7 x 5 1 x 3 8 in Bracket 27 mm 1 1 in additional depth flat mounted VARI CM 100 x 50 x 23 mm 3 9 x 2 0 x 0 9 in Weight VARI B H 13 0 kg 28 7 Ibs VARI B H E 24 7 kg 54 5 Ibs VARI B H E E 36 4 kg 80 3 Ibs Color Enclosure RAL9007 gray aluminum Grill RAL9006 white aluminum Environmental Operating temperature 25 C to 55 C 13 F to 131 F Storage temperature 40 C to 70 C 40 F to 158 F Relative humidity lt 95 Certifications and approvals Safety IEC 60065 2002 A1 2006 Immunity EN 55103 2 2009 FCC 47 part 15B Emissions EN 55103 1 2009 EN 61000 3 2 2006 41 2009 A2 2009 Wind force according to NEN 6702 2007 A1 2008 Bft 11 Water dust according to EN 60529 IP54 except for VARI BH Approval CE VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V Bosch Security Systems B V
16. GDI distribution can be obtained from http www microsoft com downloads details aspx FamilyID 6A63AB9C DF12 4D41 933C BE590FEAAOSA amp displaylang en VARI_June 10 V1 0 6 Installation Manual Bosch Security Systems B V VARI Directional Arrays Configuring the VARI en 9 6 1 3 Software installation To install VariControl Insert the CD ROM in the PC s disk drive The InstallShield Wizard will be launched automatically and the welcome screen will be displayed ie VariControl User Version v2 30 InstallShield Wizard Welcome to the InstallShield Wizard for VariControl User Version v2 30 The InstallShield R Wizard will install VariControl User Version v2 30 on your computer To continue click Next WARNING This program is protected by copyright law and international treaties Figure 6 1 Welcome screen VariControl InstallShield Wizard Follow the instructions of the InstallShield Wizard The installation requires to accept the terms in the license agreement Also Readme information is displayed showing installation notes folder locations etc This information is mainly of relevance to experienced users who already have an earlier version of VariControl installed on the same machine After finishing installation of the VariControl software and before launching the program also the VARI DDA libraries should be installed containing the directivity data for all VARI array configurations There are two setup exe
17. VARI base units may be fitted with an optional CobraNet input module CobraNet is a proprietary audio network protocol used widely in large infrastructures to carry multiple channels of digital audio and other control data bi directionally over Ethernet using CAT 5 cable The VARI CM module allows VARI line arrays to be directly interfaced to a CobraNet network NOTICE Note that this manual does NOT cover the configuration and operation of the CobraNet module A description of CobraNet can be found on www cobranet info Here also CobraNet Discovery can be downloaded This is the tool to discover and configure CobraNet interfaces including the VARI CobraNet module Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 10 en System Overview VARI Directional Arrays 3 1 What s in the packaging In addition to the line array itself each VARI B and VARI BH base unit is shipped with the following items Qty Item Use Imporant Safety Instructions Right angled IEC connector C13 rewireable AC mains input Cable tie nylon Mains cable strain relief A N Phoenix connectors 3 pole 3 81 mm pitch Inputs line level failure relay control voltage Phoenix connectors 5 pole 3 81 mm pitch RS 485 in out Phoenix connectors 2 pole 5 08 mm pitch Inputs 100 V line Phoenix connector 2 pole 7 62 mm pitch DC power inpu
18. aces flush with each other insert the two M5 x 12 mm hex headed screws supplied with the extension unit through the holes in the bottom surface of the extension unit from the inside via the access compartment into the threaded inserts in the top surface of the base unit refer to Figure 4 4 and 3 Figure 4 5 Tighten them fully with a spanner If a second extension unit is to be attached to the first repeat the procedure The holes in the top surface of the extension units have M5 inserts in the same way as base units and the method of attaching two extensions together is identical to that already described for attaching an extension unit to a base unit Replace the access compartment cover panel s in the front baffle s of the extension unit s and then replace the front grille s Finally fit the D connector cover plate removed from the top of the base unit to the top of the extension unit or the second extension unit if there is one The line array is now ready for configuration refer to Section 6 Configuring the VARI VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V VARI Directional Arrays Installation en 9 4 4 Optional CobraNet module The optional VARI CM CobraNet module may be fitted to the VARI B or VARI BH base units and is located in the compartment at the bottom WARNING To prevent the hazard of electric shocks disconnect the mains cord from the base unit before rem
19. aft sits in the elongation Proceed as follows 1 Use the supplied 30 mm hexagon headed screws together with the washers and wall plugs to secure the brackets to the wall The head size of the supplied screws allow the brackets to slide over the heads later on step 7 2 Refer to the diagram below Mark on the centreline the position for the lower hole of the bottom bracket which will be 89 mm above the datum height previously marked refer to section 4 5 1 The upper hole of the bottom bracket will be 80 mm above this Mark the other pairs of holes higher up the centreline using the dimensions given in the drawing Note that the hole spacing for the two holes in each bracket is always 80 mm 3 Mark and drill the holes 8 mm for the wall plugs 4 Insert the plugs and screws into the holes Tighten the screws with a spanner but stop with a few mm of screw shaft visible between the head and the wall 5 Remove the front grille from the VARI base unit by gently lifting the grille at the locations of the snap on fittings which hold it in place Unscrew the six self tapping screws securing the connector compartment cover and remove the cover 6 If flexible steel or plastic nylon etc conduit is to be used to contain the cabling to the rear of the loudspeaker a conduit fitting or entry bush of the correct size for the conduit should now be fitted to the 37 mm diameter hole in the rear of the connector compartment 7 Open the hinge
20. cation port s cannot sent or receive control data Licensing procedure 1 Launch the VariControl program Initially VariControl operates in EVALUATION mode and a license window will always appear on program start up VariControl Site code 2B52BC 1E 9585 959 1 D34E 6DDD Daysleft 30 N A Unlock application Activation enter aiin Cancel Continue gt gt Figure 6 2 License window 2 Click the Continue gt gt button in order to start evaluating the program Evaluation is possible for a limited number of days indicated in the Days left field of the license window 3 In order to start using the program in on line mode a valid Activation code i e unlocking code must be entered This code can be obtained by clicking the Activation button on the license window Internet connection is required Follow the instructions shown in the web browser in order to obtain this code The Site code and MID that are shown in the license window are required during registration If you are not yet a registered user of VariControl first press the Register link on the Login page Figure 6 3 to go to the User Registration page Figure 6 4 A valid and accessible email address is required for registration VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V VARI Directional Arrays Configuring the VARI en 1 Invented forlife H BOSCH Login to the VariControl Activation Centr
21. cutables for the VARI the first one installs the data for the VARI B VARI B E and VARI B E E The second setup executable installs the data for the VARI BH VARI BH E and VARI BH E E These libraries are installed as programs to be able to manage the default destination folders of the libraries and automatically clean up old libraries in case of updates During installation it is advised to use the default destination folder Program files folder Bosch DDA libraries if another folder is specified during the installation the VariControl Folder for DDA libraries should be adapted NOTICE Please be patient during installation of the DDA libraries These libraries are very big and contain thousands of folders and files Depending on the type of PC installation may take several minutes To remove a library from the PC use the Add or Remove Programs tool from the Windows Control Panel Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 30 en Configuring the VARI VARI Directional Arrays 6 1 4 Licensing and evaluation mode VariControl is a licensed product Each individual user company agency or institution that uses this program has to obtain a license one for each computer on which the program is used After installation VariControl initially operates in EVALUATION mode In this mode the software is fully functional with the limitation that the on line mode is not supported i e the communi
22. e Welcome to the VariControl License Site If you already have an account please login using the form below If you are new and want to register please follow this link Email Address Password Enter the text from the image Sign in Figure 6 3 Login webpage Invented for life E BOSCH User Registration VariControl Software Dear visitor You need to fill in this form carefully in order to pass the registration process smoothly Your email address will become your username and you can define your own password for convenience Minimum password length is 6 and maximum password length is 20 Please complete the form and lastly type the characters from the Captcha into the associated box before pressing the Submit button After completing and submitting this form you automatically wil receive an email with further instructions Please read all provided information carefully to ensure trouble free maintenance of your license Ihave already completed the registration form but did not receive an email can you please re send it Click Here Please Select _ Insertion Le van de den ttetc t O Consutant System Engineer Sound Engineer Sound Contractor O Sales Manager O Other Onewbee O gt 1year O gt 5year O gt 10 year 1 l Please Select Phone Number Enter the textfrom the image N vK ZE Figure 6 4 User Registration webpage
23. e Delay allows an overall pre delay to be added is applied to both input channels EQ In addition to the per input EQ an 8 band equalisation curve may be set to tailor the overall frequency response of the loudspeaker AVC this feature enables the VARI to automatically increase the amplifier gain and hence the volume as the ambient noise in the venue increases To achieve this the VARI is fitted with an ANS Ambient Noise Sensing microphone and the embedded AVC Automatic Volume Control algorithm is able to measure the ambient noise during gaps in the programme material or between announcements Surveillance this page permits configuration settings relating to the loudspeaker s operation under various fault conditions to be made Other miscellaneous unit settings Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 38 en Configuring the VARI VARI Directional Arrays 6 4 4 Applying and saving the settings When all the venue parameters have been entered click the Apply button This will transfer the settings to the VARI unit To save the settings as a file in the PC proceed as follows ik Click Save to open the Save control parameters settings window 0 4 Save control parameters settings Settings file File name C Save copy of DDA file s Clear all data in existing file s x File options Single file y Remarks l Parameters v Beam v Input Prot
24. e has two connectors One is a USB connector which is connected to a USB port on the PC using the short USB cable supplied The other is a 5 pin Phoenix connector which should be connected to the RS 485 Network Connection input on the VARI base unit refer to section 5 5 using the 5 m long Phoenix to Phoenix cable also supplied The VARI loudspeaker will need to be powered for the configuration procedure to be carried out so connect it to an AC mains supply before proceeding Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 34 en Configuring the VARI VARI Directional Arrays 6 3 Entering the venue parameters Having connected the PC to the VARI start the VariControl application A pop up appears to select between off line operation or on line operation Select on line operation by deselecting the Off line mode and select the communication port to which the converter is connected If a CobraNet module has been installed the CobraNet serial bridge can be selected as communication port for configuration via Ethernet Communication options SubNet 00 Communication port Off4ine Hardware Normal COM port Off4ine COM port COM1 Off line config Communication layer Netscan Errors Max baud 19k2 Max number of retries 4 Mode Normal Only critical writes Block r w check Figure 6 9 VariControl Communication options VariControl auto detects the VARI configuration to
25. eaker cable Others are optional Backup DC power Optional 2 core mains cable 4 2 3 Failure relay Optional 2 core low current cable 4 Control input Optional 2 core low current cable 5 VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V VARI Directional Arrays Installation en 13 4 2 1 4 2 2 4 2 3 4 2 4 4 2 5 4 2 6 Connection Required Cable type Section RS 485 network in Optional Network cable with 2 4 2 6 RS 485 network thru Optional twisted pairs and individual screens CobraNet input Optional required when CAT 5 network cable 4 2 7 system uses CobraNet AC mains supply For ease of installation the VARI base unit is delivered with a rewireable angled IEC mains power cable connector Only this connector may be used and should be fitted to a power cord of the required length Refer to section 5 1 for wiring details Audio inputs The VARI base unit provides two input channels that accept audio signals at either line level 0 dBV or from a 100 V line speaker distribution system Use the line level inputs if the signal source is a standard item of audio equipment such as a mixer Use the 100 V inputs if the VARI is being installed as part of a system which uses other 100 V line loudspeakers The line level inputs are transformer balanced and the 100 V inputs transformer coupled For the input type being used Input 1 shou
26. echo may be reduced by using a smaller value for the End parameter Rise This should be left at 0 0 m if the audience area is horizontal Many venues use raked seating however and if this is the case the height of the last row of the seating should be entered here Rise is adjustable in increments of 0 1 m Ear level The height of the audience s ears above floor level will be greater in a standing Listening venue than one with seats and this parameter may be adjusted to allow for this height It may also be appropriate to adjust this to allow for audiences predominantly comprising children The parameter is adjustable in increments of 0 1 m 6 4 2 Ranges of adjustment Parameter VARI B BH VARI B BH E VARI B BH E E Mounting Height 0 5 m 4 0 m min Ear level 2 0 m 5 5 m max Ear level Start 1 0m 5 0m End 10 0 m 20 0 m 10 0 m 32 0 m 10 0 m 50 0 m Rise 0 0m 3 4m 0 0m 5 3m 0 0m 7 9m Listening Height Ear level 0 5m 2 0m kk The Mounting height range is dependent on the setting of the Ear level parameter Maximum value of Rise is dependent on setting of End parameter and is limited by the maximum angle of the slope which is 10 degrees Figure given is with End at maximum The alternative SPL display shows the same computed data as a simple graph of SPL at ear level against distance VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V VARI Directional Arra
27. ected EQ AVC Surveillance Other Presets Preset options Current preset only Normal preset 0 Preset 1 Preset 2 Preset 3 Preset 4 Preset 5 Preset 6 Preset 7 Figure 6 12 Save control parameters settings 2 Note that it is possible to save a subset of the speaker s parameters as well as the whole set If all the parameters are to be saved ensure that all the checkboxes in the Parameters pane are ticked Unless you have reason to do otherwise see the Help files ensure that Current preset only is selected in the Preset options box in the Presets pane The File name box in the Settings file pane specifies the location in which the settings file will be saved The default folder is at C My Documents Bosch VariControl Settings and the default filename is vari_default ini Installers will generally wish to save the settings file s in a different location clicking on the folder symbol to the right of the File name box will open a standard Save As window Navigate to the desired location and give the file a name Click Save Note that VARI settings files have a ini filename extension VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V VARI Directional Arrays Configuring the VARI en 39 5 Click OK If the filename in the File name box has not been changed a Warning dialogue box appears asking for confirmation that the existing file should be overwritten Click Yes if t
28. equently be installed in locations which are difficult to access readily consideration should be given to the cables required at each mounting position VARI units will operate satisfactorily with just a signal input and the mains supply However some installations will require further cables to be installed It is recommended that all necessary cables are run to the mounting location before the loudspeaker is physically installed Note that all external connections are made to the VARI base unit at the bottom of the loudspeaker column Cable access is via a 37 mm diameter hole at the rear of the connector compartment Depending on local wiring regulations it may be necessary for all cables to the VARI to be contained in flexible conduit made of a material with a specific fire rating A suitable bush to terminate the conduit at the VARI will need to be fitted in the hole before the loudspeaker is mounted in position NOTICE It will generally be necessary to mount the loudspeaker in position and feed the cables through the rear cable access hole before the cables are terminated Connection Required Cable type Section AC Mains supply Always required 3 core mains cable 4 2 1 Audio input 1 line level One of these inputs is 1 pair audio cable 4 2 2 Audio input 1 100 V always required unless 2 core speaker cable Audio input 2 line level system uses CobraNet 1 pair audio cable Audio input 2 100 V 2 core sp
29. his is the case 6 An Info dialogue box appears confirming the file saving details Click OK if everything is correct 7 Proceed with section 4 5 in case the VARI is not mechanical mounted yet 6 4 5 Loading a previously saved settings file It may be appropriate for multiple VARI speakers in an installation to have exactly the same settings In this case a settings file saved according to the procedure outlined above may be loaded into VariControl and the transferred to further loudspeakers Loading an ini file is straightforward and similar to the procedure for saving From the Control parameters window 1 2 Click Load to open the Load control parameters settings window Note that it is possible to load a subset of the loudspeaker s parameters as well as the whole set If all the parameters are to be loaded ensure that all the checkboxes in the Parameters pane are ticked Unless you have reason to do otherwise see the Help files ensure that Current preset only is selected in the Preset options box in the Presets pane The File name box in the Settings file pane specifies the location of the settings file to be loaded Clicking on the folder symbol to the right of the File name box will open a standard Open window Navigate to the folder containing the desired file click on the file and then click Open Click OK An Info dialogue box appears confirming the file saving details Click OK if everything is correct The sett
30. igure 6 7 Licence window After pressing the Continue gt gt button the application will now start with the evaluation mode limitation removed Next time the program is started the license window will not appear anymore In order to force the license window to appear after registering activate Scroll lock or Caps lock with the Scroll lock respectively Caps lock key before program start up This might be required if the license has to be removed It can also be helpful to show the license status e g Days left During program execution the license status can also be found in the About box select Help About from VariControl s main menu The license is valid for a limited time 180 days by default The license window will appear on program start up if the license is expired or will expire within 7 days or less After license expiration the application will be LOCKED Click the Activation button in order to re activate the program License site access Direct browser access to the registration site is also possible via the general license website of Bosch Security Systems https license boschsecurity com Select the Vari directional Array by clicking on the photo refer to Figure 6 8 then the Login webpage of Figure 6 3 will be presented VARI_June 10 V1 0 6 Installation Manual Bosch Security Systems B V VARI Directional Arrays Configuring the VARI en 3 Invented for life BOSCH 4 Praesideo
31. in Function Pin Function 4 Hot 1 Hot 5 Ground 2 Ground 6 Cold 3 Cold 100 V input 1 6 and 2 7 These inputs should only be used if the VARI is to be fed from an audio power amplifier with 100 V line outputs or from an amplifier with low impedance outputs via 100 V line transformers The VARI can thus form part of a 100 V line loudspeaker system and be connected in the same way as the other speakers Do not connect a 100 V line to input 1 if already a line level input is connected to input 1 Idem for input 2 The inputs are transformer coupled for impedance matching and galvanic isolation Selection of Input 1 or Input 2 as audio source is made from the VariControl software via the network and for most installations only Input 1 need be wired However Input 2 may be connected to a secondary signal path in case of a failure elsewhere in the system or to an emergency sound source Connector type 2 pole 5 08 mm pitch Input 1 Input 2 Pin Function Pin Function 3 100 Vline i 100 V line 4 100 V line 2 100 V line Loudspeaker distribution systems in some territories use 70 V line as the standard all references in the manual to 100 V line can be taken as applying equally to 70 V line Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 26 en Connector and wiring details VARI Directional Arrays 5 5 RS 485 network in 8
32. in the window pops up a selection box that allows to select a plot and copy it to the Windows clipboard e g Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 36 en Configuring the VARI VARI Directional Arrays to paste it into a wordprocessing file for project documentation The five parameters to have their values entered are defined in the next table Mounting This is the mounting height of the loudspeaker and is measured vertically from height floor level to the bottom of the base unit The height is selectable in increments of 0 1 m Start This is the horizontal distance from the front of the loudspeaker to the position at which defined coverage is required which will normally be the first audience row The distance is selectable in increments of 1 m Select the value closest to that applicable to the venue End This is the horizontal distance from the front of the loudspeaker to the furthest position at which defined coverage is required This will normally be the last audience row The range available varies with the array type because adding an extension unit to a base unit increases the effective coverage distance of the array The distance is selectable in increments of 1 m Select the value closest to that applicable to the venue In case of a hard acoustically reflective wall just behind the last row the contribution of the back wall
33. ine arrays an extended high frequency response and this model is better suited to applications where the audio system is to reproduce music as well as speech VARI extension units may be used to extend either VARI B or VARI BH base units By adding one or two extension units to either base unit a total of six line array configurations can be constructed Refer to Figure 3 1 For easy identification an abbriviated array name has been defined for each of the possible arry compositions Array name Array composition Elements used VARI B VARI BH VARI E Vari array B1 VARI B 1 Vari array B2 VARI B E 1 1 Vari array B3 VARI B E E 1 7 2 Vari array H1 VARI BH 1 Vari array H2 VARI BH E 1 1 Vari array H3 VARI BH E E 1 2 The mechanical mounting and coupling arrangements of the VARI units are designed to give composite line arrays the smooth finished appearance of a single unit when extension units are employed Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 8 en System Overview VARI Directional Arrays f 6 4 a a V v AN ZS 6 O f 4 N A Y 1 V 1 gt CEN gt 9 6 O O x o 6 SS EN 9 9 V IN V IN 6 6 4 Q 6 7 7 a X z WA WZ 4
34. ings file will be uploaded into the VARI speaker and into VariControl so that the parameters are visible Proceed with section 4 5 in case the VARI is not mechanical mounted yet Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 40 en Technical Data VARI Directional Arrays 7 Technical Data Accoustical Measured outside under semi anechoic full space conditions with typical filter and delay settings unless stated otherwise Frequency range VARI B VARI BH 130 Hz to 10 kHz 3 dB 130 Hz to 18 kHz 3 dB Measured on axis The frequency response of the complete array is depending on the actual signal processing parameters and air absorption at larger distances A typical bandwidth is specified for the complete array under full space radiation conditions Max SPL Continuous peak VARI B 90 93 dB SPL A weighed at 20 m VARI B E 90 93 dB SPL A weighed at 31 m VARI B E E 88 91 dB SPL A weighed at 50 m VARI BH 89 92 dB SPL A weighed at 20 m VARI BH E 89 92 dB SPL A weighed at 32 m VARI BH E 87 90 dB SPL A weighed at 50 m Levels are valid for pink noise 100 Hz to 20 kHz bandwidth with a crest factor of 3 dB default EQ and minimum opening angle setting Continuous is the RMS level Peak is the absolute peak level both determined at the onset of the output limiter SPL values will vary depending upon opening angle
35. lation Manual is correct no rights can be derived from the contents Bosch Security Systems B V disclaim all warranties with regard to the information provided in these instructions In no event shall Bosch Security Systems B V be liable for any special indirect or consequential damages whatsoever resulting from loss of use data or profits whether in action of contract negligence or other tortious action arising out of or in connection with the use of the information provided in these Installation and User Instructions No part of this manual including the software described in it may be reproduced transmitted transcribed stored in a database system or translated without the express written permission of Bosch Security Systems B V Documentation kept by the end user for back up purposes is excluded from the above All products and corporate names mentioned in this manual may be registered trademarks or copyrights of their respective companies They are used here for indicative purposes only Specifications and information contained in this manual are subject to change at any time without notice Copyright 2010 Bosch Security Systems B V All rights reserved Intended audience This manual has been written with installers in mind Sections in this manual that carry a Warning sign describe servicing instructions for use by qualified service personnel only To reduce the risk of electric shock do not perform any servicing other than that co
36. ld be connected to the normal signal source Input 2 if used may be connected to a secondary audio feed such as the output of a paging system spot announcement player or emergency announcement system Refer to section 5 3 and 5 4 for wiring details Backup DC power supply The VARI base unit is equipped with a backup DC power input In the event of AC mains failure the internal power supply will automatically switch to this backup input allowing the loudspeaker to continue operation under what may be emergency conditions The backup DC supply will typically be from batteries and should be 24 V Note that the current drawn by the VARI unit from the backup supply will be much higher than that drawn from the AC mains and the cable used must have an adequate current rating Refer to section 5 2 for wiring details Failure relay If network monitoring is not to be used see below a simple surveillance function may be realised by use of the VARI s failure relay The failure relay connector provides both volt free and switched impedance contacts the latter suitable for impedance sensing fault monitoring equipment Refer to section 5 7 for wiring details Control input The VARI is fitted with an external control port which can be used to load an internal emergency configuration in the form of a preset from memory in the event of e g network failure Refer to section 5 6 for wiring details RS 485 network The VARI
37. lity cable a safe maximum figure is 2000 m If the distance is significantly longer than this a network repeater will be required Refer to section 4 2 6 VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V VARI Directional Arrays Connector and wiring details 7 5 6 External control input 10 The VARI s internal memory has provision for an emergency configuration preset Preset 7 by default to be stored and automatically recalled and loaded under certain programmable conditions This is a useful facility where the VARIs are being used as part of an emergency evacuation system See VariControl Help files for more information on Presets The emergency preset may also be recalled by an external DC voltage at the External control input The External control input is isolated by an opto coupler The emergency preset will be loaded either on a logic high 5 24 VDC or a logic low 2 VDC at the input programmable in VariControl Connector type 3 pole 3 81 mm pitch Pin Function 4 n c 5 VDC 6 VDC 5 7 Failure relay 11 If continuous monitoring of the VARI via the RS 485 network is not implemented a simple monitoring function can be realised with the Failure relay This has two NC Normally Closed contacts which open when a fault condition arises The definition of fault condition in this context is programmed by the VariControl software
38. nits are shipped with one hinged bracket pre fitted to the rear of the enclosure at its upper end Before mounting a line array comprising a base unit and one extension unit it is necessary to first reposition the upper hinged bracket on the base unit If the line array includes two extension units then the bracket on the first extension unit that attached to the base unit will have to be repositioned in an identical manner Figure 4 3 Bracket repositioning Remove the hinged bracket to be repositioned by undoing the two M5 x 16 hex headed bolts securing it to the back of the base unit open the bracket at its hinge to gain access The spacing between the two threaded holes in the enclosure is the same as that between the upper threaded hole in the base unit and the lower threaded hole in the extension unit when VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V VARI Directional Arrays Installation en 7 the units are assembled Reposition the hinged bracket so that it straddles the joint between the two enclosures and refix using the original M5 bolts The procedure for moving the second bracket in the case of a line array assembly with two extension units is identical Removing of the front grille Lay the extension unit to be attached down in a similar way Remove the front grille by gently lifting the grille at the locations of the snap on fittings which hold i
39. ntained in the operating instructions unless you are qualified to do so VARI_June 10 V1 0 6 Installation Manual Bosch Security Systems B V VARI Directional Arrays System Overview en 7 3 System Overview The Bosch VARI product range consists of three line array variants the configuration software and an optional CobraNet module LA3 VARI B VARI Base unit LA3 VARI BH VARI Base unit with extended HF response LA3 VARI E VARI Extension unit LA3 VARI CS VARI Configuration Set LA3 VARI CM Optional CobraNet module VARI xx line arrays The three line array units are identical in physical size and appearance VARI base units may be installed on their own or with either one or two VARI extension units mechanically added to them Adding VARI extension units will increase the effective coverage area of the line array and provide a greater SPL Sound Pressure Level within the coverage area for the same electronic configuration The table below shows the continuous SPLs Sound Pressure Levels achievable on axis at various distances from the loudspeaker for each of the three configurations mounted at 3 m above floor level Distance VARI B VARI B E VARI B E E VARI BH VARI BHtE VARI BH E E 20m 90 dBA 89 dBA 32 m 90 dBA 89 dBA 50 m 88 dBA 87 dBA VARI BH base units employ co axial drivers instead of the single coil drivers fitted to the VARI B These give the l
40. o be made Assembly Adding any VARI E extension units to the VARI base unit Connections Terminating all necessary cables correctly and connecting up Configuration Using the VariControl software to create the unit s configuration file and uploading it to the line array Mounting Mechanical installation of the unit Preparing for installation Before starting to install the VARI loudspeaker a number of points should be considered Mounting location VARI loudspeakers are designed to be mounted on a vertical surface e g a wall or column If the vertical axis is tilted such that the loudspeaker is pointing up or down even a few degrees the effective sound coverage will be considerably impaired Thus when choosing a location it is important that the positions which each of the mounting brackets will occupy are in the same vertical plane Similarly the vertical axis should be perpendicular to the floor so that the loudspeaker is upright Figure 4 1 Upright loudspeaker mounting The mounting location should be chosen so that there is an unobstructed line of sight path between the loudspeaker and the intended area of coverage i e avoid mounting near columns external room corners or ceiling infrastructure items such as air conditioning lighting units and the like Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 12 en Installation VARI Directional Arrays
41. oving the screws of the cover plate Do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so Also see section 2 2 The electronics of the CobraNet module and the electronics inside the unit are susceptible to electrostatic discharges Wear an anti ESD bracelet during the installation of the module To install access the CobraNet module remove the front grille of the base unit by gently lifting the grille at the locations of the snap on fittings which hold it in place and remove the 12 screws of the cover plate Take out the cover plate module by gently lifting and turn it over take care of the wiring Place the CobraNet module as indicated in Figure 4 6 by inserting the board connector and fixing the two screws which are delivered with the CobraNet module Put the cover plate module back into its compartment and snap the grille back Figure 4 6 Installation of the CobraNet module NOTICE Note that this manual does NOT cover the configuration and operation of the CobraNet module A description of CobraNet can be found on www cobranet info Here also CobraNet Discovery can be downloaded This is the tool to discover and configure CobraNet interfaces including the VARI CobraNet module Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 6 20 en Installation VARI Directional Array
42. pose and care should be taken that they are not connected to each other The GND pins on the line level audio inputs are connected internally directly to the chassis of the VARI base unit These GND pins are only for connecting the screens shields of the audio cables The GND pins on the RS 485 connectors are intended as a terminal for the network cable screens shields Since the RS 485 interface is optically isolated to prevent ground loops this ground has no relation to the chassis ground It should not be connected to any other ground pin on the chassis Adding VARI E Extension Units NOTICE If the VARI base unit is to be installed alone with no VARI extension units attached this section of the Installation Manual may be ignored If the line array to be mounted consists of a VARI base unit plus a VARI E extension unit the extension unit should be attached to the base unit as described in the next step of the installation procedure This also applies to line arrays consisting of a base unit and two extension units of course the second extension unit should be attached to the first at the same time This step should be carried out next because 1 The VariControl configuration software will automatically detect how many extension units are present when the PC is connected to the base unit for configuration file upload and 2 Itis physically impossible to attach extension units after the base unit has been fixed in its mo
43. pt for the mains connection all other connections to the VARI base unit are made via Phoenix type screw terminal connectors All mating connectors are supplied note that three different sizes are used All connectors on the VARI have male contacts The pinouts of each connector are given in the next paragraphs J 3 10 6 60 1 ri 2 e ond 9 9 Figure 5 2 Base unit connector overview Reference Connector Reference Connector 1 AC mains input 7 Input 2 100 V 2 Backup DC power supply input 8 RS 485 network input 3 Fuse for 24 V input only 9 RS 485 network thru 4 Input 1 line level 10 External control input 5 Input 2 line level 11 Failure relay 6 Input 1 100 V 12 CobraNet Ethernet port Only present if CobraNet module is fitted Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 24 en Connector and wiring details VARI Directional Arrays 5 1 AC Mains input 1 The VARI base unit is equipped with a 3 pin IEC AC mains connector The power supply assembly has an in
44. s 4 5 Mechanical installation 4 5 1 Mounting height Mounting a VARI loudspeaker is a straightforward procedure However it is extremely important that the height of the unit above floor level is exactly the same as the Mounting height dimension entered in the VariControl software The software optimises VARI s performance for that specific height and the loudspeaker s acoustical coverage will be degraded if it is not adhered to The mounting height used in the creation of the configuration file should be the vertical distance from the floor to the bottom of the VARI base unit Mark the wall at the mounting location to indicate this height and also mark the vertical centreline of the loudspeaker to aid drilling the holes for the mounting brackets The configuration software allows the bottom of the base unit to be between 0 and 3 5 m above ear level If the intended ear level is e g 1 7 m for people standing the bottom of the base unit must be at a height of 1 7 to 5 3 m above the floor VARI units must only ever be installed with the base unit s connector bay at the bottom of the assembly never upside down Geometry Mount height VARIB 7 Ear level 1 7m Rise 0 0 m SPR a E gt End 20 m Figure 4 7 Mounting height 4 5 2 Flush mounting The VARI loudspeakers use the front side behind the grille as heatsink for the amplifiers This keeps heat radiation a
45. s RS 485 connection is primarily the method by which it gets configured using the VariControl software application The unit s configuration file will generally be loaded before mechanical installation using the cable supplied with the VARI CS Configuration Set Additionally continuous monitoring of the unit s performance and external control may be realised via the RS 485 connection If this feature is to be implemented a permanent RS 485 Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 6 14 en Installation VARI Directional Arrays network connection will need to be run to the VARI s installed location In that case the configuration file can just as easy be loaded after mechnical installation The VARI has two identical RS 485 connectors paralleled internally allowing multiple VARI units to be easily daisy chained The type of cable necessary for correct operation of the RS 485 network is twin twisted pair with each pair individually shielded Numerous cables of this type are readily available and cables broadly meeting the specifications of the example cable given below are likely to be suitable Example of a preferred cable type Parameter Value Type BELDEN Datalene series No 9729 2 pair pairs individually screened Characteristic impedance 100 ohms Capacitance core to core 41 pF m Capacitance core to screen 72 5 pF m DC resistance core 78 7 ohms km DC
46. s on all the mounting brackets Lift the VARI loudspeaker into position and slide the brackets over the heads of the hex head screws protruding from the wall at the same time threading all cabling through the rear cable hole with or without its bush and the connector compartment so that it is free and accessible from the front 8 Gently lower the VARI so that all fixing screws are fully engaged in the vertical elongations of their bracket holes Firmly tighten all the screws Close the hinged brackets so that the loudspeaker is in its correct orientation Re check the verticality with a spirit level or similar levelling device Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 22 en Installation VARI Directional Arrays g sf f 3 a 7 1 3 w H 8 8 ba 3 5 2 3 5 S 5 2 5 8 N f 1 TaT S 8 8 8 5 gi g 5 8 0 8 0 g 1 E 8 8 5 9 3 I 8 PG29 LA3 VARI B H LA3 VARI B H E LA3 VARI B H E E Figure 4 8 Mechanical dimensions in mm VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V VARI Directional Arrays Connector and wiring details en 3 5 Connector and wiring details All VARI input and output connectors are located in the connector compartment at the bottom of the VARI B or VARI BH base unit The IEC AC mains socket is immediately adjacent Exce
47. sch VARI directional Arrays bearing the CE label comply with the following harmonised or national standards EMC EN 55103 1 2009 EN 55103 2 2009 Safety IEC 60065 2002 A1 2006 Mains Harmonics EN 61000 3 2 Class A 2006 Insulation Class 1 Bosch Security Systems B V The Netherlands June 2010 Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 6 en Introduction VARI Directional Arrays Introduction This installation manual describes the recommended installation procedure for the Bosch VARI range of line arrays The Bosch VARI is a DSP based active line array As well as loudspeaker drivers the VARI base units LA3 VARI B and LA3 VARI BH contain a mains powered electronics module consisting of a multi channel amplifier and a Digital Signal Processing DSP section The LA3 VARI E extension unit contains loudspeaker drivers and a multi channel power amplifier powered from the base unit This manual describes the following aspects of an installation Necessary cabling Connector wiring Mechanical installation Line array configuration using the VariControl software application NOTICE The terms loudspeaker and line array are both used throughout this manual and may be considered synonymous 2 1 2 2 Users notice and disclaimer Although every effort has been made to ensure the information and data contained in these Instal
48. t AN N N Hinged mounting bracket Wall mounting 30 mm hex headed screws with washers and wall plugs Fixings for wall mounting Grille removal tool Removal of front protective grille In addition to the line array itself each VARI E extension unit is shipped with the following items Qty Item Use 2 M5 x 12 mm hex headed bolts Secure Extension to base unit 1 Hinged mounting bracket Wall mounting 2 30 mm hex headed screws with washers and Fixings for wall mounting wall plugs The VARI CS Configuration Set comprises the following items Qty Item Use 1 CD ROM containing VariControl software documentation and drivers for interface Configuration application USB to RS 485 interface with manual Hardware interface USB cable 1 8 m USB Type A to USB Type B PC to interface cable RS 485 cable 5 m 5 pin Phoenix to 5 pin Phoenix Interface to VARI cable VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V VARI Directional Arrays Installation en 11 4 4 1 Installation This chapter of the manual takes you through the steps necessary to install a VARI line array loudspeaker in the order in which they should be carried out In summary the steps are Preparation Making sure that you know where the unit is to be mounted Cabling Understanding which connections need t
49. t 0 Starting sub net update Startmode A Colectng nfo fom ANI compatble eit at adresses 100 102 10510780 112 15 217 Checkin ing for inked master and siave units Configuration of current Gub net 40 updated Command Log SubNet0O Off ine mode Scan range 1 126 Level User Figure 6 10 Entering the venue parameters VARI_June 10 V1 0 6 Installation Manual Bosch Security Systems B V VARI Directional Arrays Configuring the VARI en 5 6 4 VARI configuration procedure The red rectangle represents the line array a base unit only or a base unit with one or two extension units attached Next open the Control parameters window by clicking on the icon for the VARI configuration being installed 6 4 1 Control parameters The Control Parameters window has eight pages selected by the top tab set only the first Beam is required for setting the primary system parameters Ensure that the Geometry tab at the bottom of the window is selected SB Control parameters Normal preset 0 Normal preset 0 Beam Input Volume Delay EQ AVC Surveillance Other Geometry Mount height VARI 8 height 2 1m a Ear level 1 7m Rise 0 0 m amp End 20m Start 1 ena Results Coverage Copy EASE xqlc file Beam DDA source file that is installed in the unit s was not found 5 c 5 A 2 5 15 20 25 Hor position m gt _ File Geometry vW Apply Close boa
50. t circumstances constitute a reportable failure and so on VariControl requires the installer to enter various dimensional data concerning the loudspeaker s location and its intended area of coverage The file subsequently created is then uploaded from the PC to the loudspeaker via the RS 485 network connection NOTICE If the VariControl software has already been installed on the PC and licensed section 6 1 can be skipped 6 1 Installation of VariControl software on a PC These notes describe how to install the VariControl software application on a PC running Windows If the user is unfamiliar with VariControl he she is strongly advised after installing the application to study the various Help files before attempting to use any of its functions beyond the basic unit configuration described elsewhere in this manual 6 1 1 Minimum PC requirements Processor Storage Pentium Ill 1 GHz 256 MB RAM 500 MB min of free disk space Operating System Windows 2000 XP Vista or Windows 7 Ports One free USB port 6 1 2 Administrator The installation and registration of VariControl requires Administrator rights It is possible to run VariControl as a user with limited access rights VariControl requires GDI to be installed gdiplus dll If you are using a system with Windows 2000 GDI might not be installed by default on your system Normally the installer will take care of this however a separate
51. t in place Use the grille removal tool provided for this Note that the two end surfaces of the extension unit also have two M5 holes and a multipin connector Note the removable cover panel in the baffle at one end of the extension unit this is the end that needs to be attached to the base unit orient the extension unit accordingly Connect extension unit to base unit Remove the six self tapping screws securing the cover panel of the extension unit and lift the cover off The open compartment gives access to the two M5 fixing holes screws 1 Figure 4 4 in the bottom surface f D 69 7 nA fu lt lt 0 lt gt lt gt o n 8 L M 4 Ly Fs 4 Ll Figure 4 4 Access to fixing screws Carefully align the extension unit with the base unit and mate the two multipin connectors together 1 2 3 Figure 4 5 This procedure will probably need a second person to steady the base unit take care not to mate the connectors until the shells are accurately aligned to avoid bending any pins on the male connector Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 18 en Installation VARI Directional Arrays 9 Figure 4 5 Mate extension unit to base unit With the connectors fully mated and the two unit s surf
52. t the rear and sides at a minimum and allows for flush mounting into walls Nevertheless a minimum clearance of 5 cm around the loudspeaker should be maintained except for the rear side where the depth of the mounting brackets is sufficient VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V VARI Directional Arrays Installation en 21 4 5 3 Mounting the loudspeaker Once any brackets that require repositioning have been moved and refixed the loudspeaker is ready for mounting in position The brackets allow the VARI to be mounted on a flat wall or column The number of brackets required to mount each configuration is as follows Configuration Brackets VARI base unit only 2 VARI base one extension 3 VARI base two extensions 4 WARNING Only use the brackets that are supplied with the loudspeakers for loudspeaker mounting The VARI loudspeakers are heavy and must be securely fixed to a flat vertical surface It is important to ensure that all mounting points are in the same vertical plane to avoid the unit being bent when the screws are tightened The design of the hinged brackets makes it possible to drill the wall and insert the fixing screws without removing the brackets from the loudspeaker assembly The elongated shape of the fixing holes allows the screw heads to pass through the rear plate of the bracket and the speaker is then lowered so that the screw sh
53. ternal mains fuse and is not user accessible Mains fuse replacement should only be performed by qualified personnel For ease of installation the VARI base unit is delivered with a rewireable angled IEC mains power cable connector Only this connector may be used and should be fitted to a power cord of the required length having a wire size of 3 1 mm sq 18 AWG The power cord should be compliant to the applicable national electrical installation regulations and directives WARNING Only qualified service personnel is allowed to assemble the mains connection The VARI base units are Class 1 devices These units have their chassis connected to the earth pin of the IEC mains connector This pin must be connected to the electrical earth ground A fault in the VARI unit which causes a live conductor to contact the casing will cause a current to flow in the earth conductor This current should trip either an externally installed overcurrent device fuse or circuit breaker or a residual current circuit breaker ground fault circuit interrupter which will cut off the supply of electricity to the appliance Because the IEC mains connector of the VARI base unit is not readily accessible to disconnect the unit when necessary the mains connection to the VARI base unit should incorporate a manual circuitbreaker or an accessible mains plug Wire the connecter as shown in the table Term Europe USA L Brown Black N Blue White E
54. unting position because the mounting brackets need to be moved to accommodate the extended assembly WARNING Ensure the base unit is not connected to the AC mains supply during the mechanical assembly procedure The maximum physical configuration of the VARI directional Line Array is one base unit plus two extension units Do not attempt to add additional extension units Bosch Security Systems B V Installation Manual VARI_June 10 V1 0 2010 06 16 en Installation VARI Directional Arrays 4 3 1 Attachment method On aclear clean and flat floor area lay the VARI B or VARI BH base unit down on its back face up In the top surface of the enclosure observe two tapped holes M5 and a small plate secured by two screws Remove the plate and retain it a recessed female multipin D shell connector will now be visible Both tapped holes are utilised to attach the extension unit D o 3 A Figure 4 2 Removing D shell connector coverplate Mounting brackets VARI base units are shipped with two hinged brackets pre fitted to the rear of the enclosure If the line array being installed consists only of a base unit i e with no extension units the unit may be mounted in its location without any adjustment to the brackets positions In this case the next section of this manual may be ignored Line arrays with extension units repositioning the brackets VARI extension u
55. urity Systems B V Installation Manual VARI_June 10 V1 0 2010 06 4 en Table of Contents VARI Directional Arrays 6 2 Connecting the PC to the VARI 33 6 3 Entering the venue parameters 34 6 4 VARI configuration procedure 35 6 4 1 Control parameters 35 6 4 2 Ranges of adjustment 36 6 4 3 Other VARI parameters 37 6 4 4 Applying and saving the settings 38 6 4 5 Loading a previously saved settings file 39 7 Technical Data 40 VARI_June 10 V1 0 2010 06 Installation Manual Bosch Security Systems B V VARI Directional Arrays Safety en 5 1 Safety Prior to installing or operating this product always read the Important Safety Instructions which are available as a separate document F 01U 120 759 and are packed with all units that can be connected to the mains In addition to these Important Safety Instructions this Installation Manual contains specific instructions indicated with a Warning sign Persons can be severely injured or the equipment can be seriously damaged if such an alert is not being observed 1 1 Reference to EC statement of conformity This document confirms that products bearing the CE label meet all the requirements in the EMC directive 2004 108 EC and LV directive 2006 95 EC laid down by the Member States Council for adjustment of legal requirements Furthermore the products comply with the rules and regulations from 30 August 1995 referring to the electromagnetic compatibility of devices Bo
56. ys Configuring the VARI en 7 6 4 3 Other VARI parameters The Help files supplied with VariControl software are quite extensive and installers are referred to these for detailed information on other aspects of the configuration program The Help button in the Control Parameters window itself is context sensitive For completeness however a brief description of the facilities available on the other pages of the Control Parameters window is given below accessible by tab selection Input Comprises five tabs at bottom giving control over input selection and input signal processing Common parameters selection of active input method of priority switching and setting of switching parameters Gain delay In 1 adjustment of input gain and delay in milliseconds or metres phase inversion priority setting and enabling of pilot tone detection for Input 1 Input and output levels can be monitored by selecting Tools Status properties F5 Levels EQ 1 each input has a 4 band equalisation available with a choice of fully parametric hi pass low pass notch bell or shelving filters in each band Gain delay In 2 as for Input 1 EQ 2 as for Input 1 Volume provides adjustment of overall unit volume Controls for setting gain in the analog domain both before Analog pre gain and after Analog output gain the DSP section are included Volume reduction under ducking control is also set her
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