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USER MANUAL

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3. TERMINATION RESISTANCE ON SERIAL LINE When connected to RS485 bus should be provided termination resistance at both ends of the line to avoid stationary waves creation ant to define line impedance also with no transmission DA 480 R has the termination resistance inside but it is disconnected To plug it in just short circuit A and T clamps as shown in the picture Page 18 DA 480 R User manual v 1 4 3 Input sensibility The amplifier has a circuit inside that allows selecting a different sensibility for the audio signal incoming to accept low output signal sources To enable a different sensibility remove the cover and set the jumpers as shown in the following picture INPUT SIGNAL SENSIBILITY SETTING WITHOUT JUMPER 5 7dBu WITH JUMPER 3 8dBu DEFAULT CH1 JP1 CH2 JP5 fups Buen CH3 JP8 CH4 JP11 Page 19 DA 480 R User manual v 1 4 4 Hi pass filter The amplifier has inside an hi pass filter between the input signal section and the power amplification section independent for each channel this allow to directly drive the limited band speakers To enable the filter remove the cover and set the jumpers as per the following scheme A IMPORTANT To enable the filter use both jumpers for each channel HI PASS FILTER SETTING WITHOUT JUMPER 160Hz WITH JUMPER 30Hz DEFAULT JP2 ups CH2 JP6 JP7 2 Mure Mure f
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5. 4 1 Fault signal FAULT TTL OUT CH3 CH4 TTL OUT CH1 CH2 OUT RELE CH3 CH4 OUT RELE CH1 CH2 There is a connector on the amplifier back for the amplified channels fault signal both with relay contact and TTL logic output If the amplifier is part of a safety or alarm system the DA480 R allows setting the relay contacts with reverse logic where contact is normally closed during regular operations and will be open in case of fault To enable this operating mode remove the cover and set the jumpers as hereinafter A IMPORTANT This function could be enabled only for the fault signal relay not for TTL outputs Page 15 DA 480 R User manual v 1 FAULT SIGNAL RELAY OUTPUT INTERNAL SETTING CHANNEL JUMPER CH1 CH2 O 0 4 Of j8ldf oO o ZIdf o o 9L df o 9 CH1 CH2 9Ldf eldf o o CH3 CH4 Oo jor o CH3 CH4 Ocdf 9Ldf 6 4 o 16 DA 480 R User manual v 1 4 2 5485 Serial communication DA 480 R could be connected via serial port to RS485 communication bus to be controlled by a master system or a computer Because of disturbs on the serial line coming from outside dysfunctions can occur to the master system wi
6. ded E Sldf o o led S 9 JP20 STANDARD 20 CLOSED BRIDGED MODE CH3 CH4 OPERATION MODE Q 6ldr jo o o o Led 819 Ilar o_o JP15 JP21 OPEN STANDARD MODE JP21 CLOSED BRIDGED MODE 1 2 OPERATION MODE 12 STANDARD MODE 5 BRIDGED MODE JP 14 CH3 CH4 OPERATION MODE 123 STANDARD MODE 123 BRIDGED MODE DA 480 R User manual v 1 3 3 Volume remote control VCA There is one connector for each single channel on the amplifier back where connect a potentiometer to allow volume remote control VOLUME REMOTE CONTROL 4 CHANNELS AMPLIFICATION 123 REMOTE REMOTE REMOTE REMOTE CH1 CH2 CH3 CH4 20 50 KQ LINEAR POT VOLUME REMOTE CONTROL IN 2 CHANNELS BRIDGED MODE AMPLIFICATION 123 CEX fe el lacinia REMOTE REMOTE CH1 CH2 Page 13 DA 480 R User manual v 1 REMOTE CONTROL INTERNAL CONFIGURATION JUMPER VCA 123 2 2 2 DEFAULT UUUUuUu u OO OV 10V MIN MAX 123 REVERSE 10 0V G U U U U U YD gt OO CD 10V 0V MIN MAX Page 14 DA 480 R User manual v 1 4 Amplifier configurations
7. H 1 2 3 4 balanced input connectors 11 CH 1 2 3 4 power output speakers connector Page 5 DA 480 R User manual v 1 2 2 Front panel description c o lt a Red Green Yellow 1 Power amps cooling grille 2 Device ON LED powered device 3 Three colour LED with indication purpose LED Description Indicating off input signal not present or too low green input signal present SIGNAL red input signal too high OVERLOAD yellow output channel fault FAULT 4 Power section cooling grille Page 6 DA 480 R User manual v 1 2 3 Power amp configurations general overview FAULT RELAY 2 16 OPEN NO JP16 CLOSED NC FAULT RELAY JP17 OPEN NO 17 CLOSED NC VCA STATE MODE JP18 OPEN NORMAL 0 10 0 100 JP18 CLOSED INVERTED 10 0 0 100 FACTORY RESET RS485 ADDRESS 19 NORMAL FUNCTION OPEN DS1 ON ID 1 JP19 CLOSED POWER CYCLE DS2 ON ID 2 JP20 NOT USED DS3 ON ID 4 054 ON ID 8 JP21 NOT USED DS5 ON ID 18 DS6 ON ID 32 GND LIFT DS7 ON ID 64 JP4 OPEN LIFT 058 ON ID 128 JP4 CLOSED TO GROUND CH1 CH2 OPERATION MODE uu x STANDARD MODE TT BRIDGED MODE CH3 CH4 OPERATION MODE EA x STANDARD MODE 123 1 BRIDGED MODE 10 JP2 JPe 9 JP12 HIGHT PASS FILTER OPEN 160Hz VU aca CH2 JP6 7 Roe
8. Installation 1 1 Introduction The power amplifier DA480 R has been developed to satisfy most of the professional audio installations and designed to provide performance with the best stability and reliability permitting a continued use without failure and without the need of maintenance The power stages circuitation is based on the new generation Class D technology that permit to obtain high quality performance low heat dissipation and that permit to keep distortion within a very small range also with a high power supplied Power supply circuit is switch mode with the benefit of high efficiency and reduced weight 1 2 Contents of the DA 480 R Contents of the DA480 R kit 1 DA 480 R device 1 user manual n 1 power supply cable 1 3 Safety rules Read carefully the following warnings to keep your and others safety for the right use of the device and to avoid warranty invalidation 1 Do not expose the device to rain or high humidity Protect the device from accidental liquid penetration if it happens stop using the device and apply to qualified or authorized personnel 2 Do not insert things into the device through the openings to avoid risk of fire or electric shock 3 Before connect the amplifier ALWAIS verify the ground connection as requested by the law 4 Disconnect the device from the light socket before make any operation for the internal device configuration 5 This power amplifier has been de
9. Res Roe 1 CH3 JP9 12 SENSITIVITY GAIN INPUT OPEN 9 74 400mV CLOSED 3 8 dBu 1 24 CH1 CH2 5 CH3 JP8 CH4 JP11 Mod DA 480 R 7 CAUTION S N 7430050 di Pie VE Fuse T 3 15A AC Power 230V 50 60Hz Page 7 DA 480 R User manual v 1 3 Connections 3 1 4 channels configuration 4 CHANNELS AMPLIFICATION OUTPUT CONNECTIONS CH2 CH3 CH4 Observe correct polarity in speaker connection to have output signals in phase with the input ones A IMPORTANT Do not connect outputs among them or to others amplifiers outputs Do not short circuit the outputs e To connect the speakers use the appropriate cable section depending on the connection length Reduced section cables cause power loss along the line with consequently cable heating 4 CHANNELS AMPLIFICATION INPUT CONNECTIONS 1 2 3 BALANCED INPUT 2 Pin 1 ground Pin 2 reverse phase signal Pin 3 in phase signal CH1 CH2 CH3 CH4 UNBALANCED INPUT Pin 1 ground Pin 2 ground Pin 3 in phase signal hth h taht A IMPORTANT 20Kohm nominal impedance inputs Forunbalanced signals is mandatory to connect together pin 1 and 2 Page 8 DA 480 R User manual v 1 Input connections advices Useonly hi quality coaxial cables e Unbalanced connections must be as shortest as possible Do not put low level sign
10. USER MANUAL SS D 4 Channel oN nout Signal wi l DA 480 DA 480 R User manual v 1 Warranty DA 480 R is covered by 24 month warranty on its electronics parts starting from the date of purchase This warranty becomes void in case of tampering with the device and in case of work carried out on it by people that were not authorized by the manufacturer or by an authorized dealer Warranty conditions are those described in the Warranty Rules NOTE responsibility of the purchaser in case of repair under warranty the device must be packed in order to avoid damage during transport and shipped to the manufacturer together with all the accessories Warranty Rules In order to exercise his warranty rights the purchaser must include with the device of the evidence of purchase duly stamped by the dealer bill invoice The warranty lasts 24 months on the electronic parts The warranty is granted at the point of sale or it could be directly requested to the manufacturer The warranty only covers damage to the product which makes it work badly Work under warranty will only mean repairing or replacing free of charge any parts acknowledged being defective during manufacture or in their material including labour costs The warranty does not apply to damage caused by negligence or failure to comply with the instructions or damage caused by unauthorised people with a s
11. al cables close to high level ones speakers cables or close to power cables This avoid induction noise introduction DO NOT CONNECT together input and output grounds to avoid ground loops Switch off the amplifier before make changes on connections Keep in mind that the system can give instant high power 4 CHANNEL AMPLIFICATION INPUT LEVEL ADJUSTMENT Level controls on rear panel 4 i independent for each channel in 2 3 i the section Z wu Jl eE L E T CH2 CH3 CH4 N o 9 O A IMPORTANT Adjust input sensibility until green LED lights on If the LED becomes red input signal is saturated Red Overload this generates audio distortion to the output Green Signal Yellow Fault Page 9 DA 480 R User manual v 1 3 2 2channels amplification BRIDGED A IMPORTANT When a section is used in BRIDGED mode the two channels of the section are bridged the internal jumpers must be set as indicated on page 12 2 CHANNELS BRIDGED MODE AMPLIFICATION OUTPUT CONNECTION CH1 CH2 q TPUTS 4 E aa 4 case BRIDGED mode use the outputs are ground lifted also with no signal do not connect the negative pole to the amplifier chassis 2 CHANNELS BRIDGED MODE AMPLIFICATION INPUT CONNECTION BALANCED INPUT Pin 1 ground Pin 2 reversed phase signal Pin 3 in phase
12. and following modification 93 68 art 13 Electromagnetic compatibility 89 336 and following modification 93 68 Art 5 Applied standards Safety EN 60065 Safety limitation for electronic devices and their accessories connected to the house power grid and analogous general use Electromagnetic compatibility for Emissions Harmonics EN 61000 3 2 audio devices Voltage fluctuations EN 61000 3 3 Radio interferences EN 55013 Immunity EN 55020 o Manufactured by i out Noventa di Piave VE ITALY Page 24 DA 480 R User manual v 1 6 2 Mechanical dimensions G Dinout S 4 Channel Power Amplifier 5 5 480 44mm 216 lt 208mm 193mm s 40mm n 208 79mm 37mm gt lt e 5mm p Page 25 DA 480 R User manual v 1 6 3 Block diagram LNdLno 227 421 eset 39615 EN 3qON 16 4 ZH LH avol INI 185 TWNOIS 193130 ZHOE 095010 209 TWNOIS 1931340 1NI IdS E m 104 1YLI910 035012 Augor nge 6 NAdO
13. he garbage disposal service or the store where you bought the device Page 4 2 Overview 2 1 Rear panel overview 1 2 3 DA 480 R User manual v 1 4 5 1 2 12311 2 3 1 3 REMOTE LEVEL 6 WME TTL 1 21 af qi 3 4 FAULT 1 2 3 4 SPEAKER OUTPUTS 9 Hi a 1 20 30 0 J SOD 1 J gt 213 4 44 9 0 11 230VAC mains power connector use the appropriate supplied cable Protection fuse on mains power Mains power switch Forced ventilation fan A IMPORTANT The power amplifier during regular operation needs a suitable cooling that can be done by natural or forced ventilation Device installation must allow holes that permit a regular air flow Air scoops are on the front panel air exit is from the rear panel In case of more amplifiers mounted on a single rack air exchange could be poor it s advisable in this case to provide forced ventilation to the rack too It s advisable that the ventilation take place with the air aspiration from the bottom and the air emission from the top of the rack 5 External volume adjustment potentiometers connector VCA 6 Fault output relay connector 7 Fault output TTL connector 8 5485 serial connector 9 CH 1 2 3 4 input sensibility adjustment potentiometers 10 C
14. le running temperature is reached This condition is indicated with a FAULT LED 5 3 Over current and short circuit protection The device has inside an high currents or output short circuit present protection circuit in those cases the involved channels will be switched off with FAULT LED indication Page 23 DA 480 R User manual v 1 6 Specifications 6 1 Technical features Mains 230 Vac 50 60 Hz Consumption during standby 1 W Mains protection 3 15A retard fuse Output power per channel 80W 40 1 kHz THD N 0 1 Output power in BRIDGED mode 160W 80 1 kHz THD N 0 1 Frequency response 20 20 000 Hz 3dB Signal to noise 1024 Harmonic distortion lt 0 1 Productivity 90 40 Input 20kohms Input sensibility 3 8dbu 1 2v e 5 7dbu 400mV PrOLeCHOriS pies Overload Short circuit to ground Under voltage and over voltage DC Subsonic signals COOLING variable speed fan with temperature check Classification IP 30 in the strength of liquid and powders permeation DIMENSIONS 215x211x44mm o ee 1 8 Kg CEE directive compliant Safely uu P 73 23
15. pecial reference to the external parts Also the warranty does not apply to damage caused to the device by connection to unsuitable power sources The warranty does not cover parts that are subject to wear as a consequence of the use as well as the chassis if the material is not defective The warranty does not include transport costs which will be paid by the purchaser depending on way and time of transport The warranty expires 24 months after the purchase In this case service will be provided charging for the replaced parts labour costs and transport according to the current rates 10 In case of any controversy the Court of Law of Venice has the exclusive jurisdiction Page 1 DA 480 R User manual v 1 SUMMARY 1 Installation 1 1 Introduction 1 2 Contents of the DA 480 R 1 3 Safety rules Overview 2 1 Rear panel overview 2 2 Front panel overview 2 9 Amplifier configurations general overview Connections 3 1 4 ch amplification 3 2 2 ch amplification BRIDGED 3 3 Remote volume control VCA Amplifier configurations 4 1 Failure signal FAULT 4 2 85485 serial communication 4 3 Input signal sensibility 4 4 Hi pass filter 4 5 Ground lift 4 6 Factory reset Protections 5 1 Speakers protection 5 2 Thermal protection 5 3 Over current and short circuit protection Specifications 6 1 Technical features 6 2 Mechanical dimensions 6 3 Block diagram 2 DA 480 R User manual v 1 1
16. signal UNBALANCED INPUT Pin 1 ground Pin 2 ground Pin 3 in phase signal thy by J tbr A IMPORTANT 20 nominal impedance inputs For unbalanced signals is mandatory to connect together pin 1 and 2 Page 10 DA 480 R User manual v 1 2 CHANNELS BRIDGED MODE AMPLIFICATION INPUT LEVELS ADJUSTMENT Volume adjustment for the section is made by the correspondent input channel potentiometer BALANCED e thy tds tbe CH1 CH2 IMPORTANT 7 Adjust input sensibility until green LED lights on If the LED becomes red input signal is Red Overload saturated this generates audio distortion to the output MAS Faut _ STANDARD BRIDGED MODE SETTING DA480 R has 4 independent channels divided into 2 sections CH1 CH2 and CH3 CH4 Such sections run in separate and independent channels mode or in BRIDGED mode that means that the same section channels are bridged Operating mode is set by jumpers that are into the amplifier TWO for each section that can be reached removing the 4 cover screws A IMPORTANT such configuration 8 ohms is the minimum impedance e It s advisable to disconnect mains cable during mode setting operations to avoid damage to the amplifier Page 11 DA 480 R User manual v 1 Page 12 CH1 CH2 OPERATION MODE 0 o Bldrjo o o o
17. signed and produced to operate ONLY with a 230 mains power If the original power cord is waste or deteriorate replace it with a similar one 7 For speakers connections the use of cables with appropriate section and that meet the safety laws is suggested 8 Switch on the amplifier only after all the other components of the sound system have been connected and switched on to avoid hums and annoying noise from the speakers 9 Disconnect the device from the light socket before make cleaning operations Clean the device with a dry and soft cloth Do not use liquids or spray that can contain flammable elements Page 3 DA 480 R User manual v 1 10 Device handling must take place only when all the cables have been disconnected 11 Device maintenance must be done only by qualified personnel 12 For any requirement or technical information contact InOut or authorized personnel OBSOLETE DEVICES DISPOSAL This picture means that the device is European Directive 2002 96 compliant All electronic and electric devices should be disposed separately from the normal garbage by specific gathering plants designated by the government or by local authorities Correct disposal of obsolete devices of the accessories and especially of the batteries contribute to prevent possible negative consequences on human health and on the environment For detailed information on obsolete devices disposal contact the municipality t
18. th possible harms to the amplifier to avoid such troubles use the following precautions Do not put serial cables the same pipe with power cables or hi voltage cables Keep a safe distance from those cables at least 10 cm Connect cable screen to the ground at one end not both ends ground connection should not be made in the same point where hi voltage circuits are connected to the ground Switch off the whole system before start wiring the serial lines also missing or parasite currents could damage the modules DA 480 R support multipoint serial communication with the RS 485 electric standard that allows to connect up to 32 amplifiers each one with its own address The address is a number that enables the master system to establish the communication with a specific 480 among the several ones connected to the same communication bus A IMPORTANT during address setting pay attention to not define more than one module with the same number otherwise communication becomes confuse and irregular and exchanged data will doesn t make sense ADDRESS SETTING RS485 BUS 850 150 950 550 vSa esa csa 150 m CE CE D m RS485 ADDRESS DS10Nz ID 1 052 ON ID 2 DS3 ON ID 4 054 ON ID 8 055 ID 16 DS6 ON ID 32 057 ON ID 64 058 ON ID 128 Page 17 DA 480 R User manual v 1 85485 BUS CONNECTION AT B 09 BUS RS485
19. uer CH3 9 JP10 12 JP13 Page 20 DA 480 R User manual v 1 4 5 GROUND LIFT If there is low frequencies noise on the speakers due to ground loops it s advisable to set JP4 jumper to OPEN position that means to split audio ground from chassis ground GROUND LIFT CONFIGURATION 4K7 0 5W 4 7nF A00V Page 21 DA 480 R User manual v 1 4 6 FACTORY RESET The amplifier allows to reset all the parameters stored into the internal microchip to the original factory configuration to enable this function remove the cover and set JP19 jumper carrying out the procedure as following FACTORY RESET 3 POWER CYCLE Switch on the amplifier for 5 seconds with JP19 closed than switch it off Page 22 DA 480 R User manual v 1 5 Protections 5 1 Speakers protection DA 480 R ha an output protection relay that disconnect speakers in case of amplifier fault During boot the device makes a voltage test checks the optimal working of the power amplifiers and only after speakers connector relay will be enabled LH LNO DA 480 R 5 2 Thermal protection When the amplifier s internal temperature reaches high levels the cooling fan will be activated with variable speed depending on the temperature In case the amplifiers reach the maximum allowed temperature the thermal protection will be activated and the involved channels will be deactivated switching them back on when an acceptab

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