Crown IQ-PIP-USP2 Reference Manual Download | Manualshive

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An IQ System

®

Programmable Input Processor with

CobraNet

™

and DSP for Crown

®

PIP2-Compatible Amplifiers

Printed on

recycled paper.

132404-1

4/01

© 2001 by Crown Audio, Inc., P.O. Box 1000, Elkhart, IN 46515-1000 U.S.A.
Telephone: 219-294-8000. Fax: 219-294-8329.

PIP modules are produced by

Crown Audio, Inc. Trademark Notice:

IQ2™, SmartAmp™, PIP™, and PIP2™ are

trademarks, and

Com-Tech

®

, Crown

®

,

IOC

®

,

IQ System

®

and

ODEP

®

are

registered trademarks of Crown International, Inc. Other trademarks are the
property of their respective owners.

Obtaining Other Language Versions:

To obtain information in another language about the use of this product, please
contact your local Crown Distributor. If you need assistance locating your local
distributor, please contact Crown at 219-294-8200.

Note:

The information provided in this manual was

deemed accurate as of the publication date. How-
ever, updates to this information may have occurred.
To obtain the latest version of this manual, please
visit the Crown website at www.crownaudio.com.

-PIP-USP2/CN

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Summary of Contents for IQ-PIP-USP2

Page 1: ...ered trademarks of Crown International Inc Other trademarks are the property of their respective owners Obtaining Other Language Versions To obtain information in another language about the use of this product please contact your local Crown Distributor If you need assistance locating your local distributor please contact Crown at 219 294 8200 Note The information provided in this manual was deeme...

Page 2: ...lation operation or maintenance If you need special assistance beyond the scope of this manual please contact our Technical Support Group Crown Audio Technical Support Group Plant 2 SW 1718 W Mishawaka Rd Elkhart Indiana 46517 U S A Phone 800 342 6939 North America Puerto Rico and Virgin Islands or 219 294 8200 Fax 219 294 8301 Internet http www crownaudio com WARNING TO REDUCE THE RISK OF ELECTRI...

Page 3: ...nce to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connect...

Page 4: ...deo Audio Visual and Entertainment Lighting Control Apparatus for Professional Use Part 2 Immunity EN 61000 4 2 1995 Electrostatic Discharge Immunity Environment E2 Criteria B 4k V Contact 8k V Air Discharge EN 61000 4 3 1996 Radiated Radio Frequency ElectromagneticImmu nity Environment E2 criteria A EN 61000 4 4 1995 Electrical Fast Transient Burst Immunity Criteria B EN 61000 4 5 1995 Surge Immu...

Page 5: ...n nectors located on the underside of the board near the back corner see Fig ure 2 1 Attach the ribbon cables from your amp to the ribbon cable connectors The 20 pin cable should be connected first then the 18 pin cable should be connected Both ribbon cables should run untwisted from the am plifier to the PIP module Important Be careful when attaching the ribbon cable to the connector that the cab...

Page 6: ... Monitor 20 5 3 Output Signal Level Monitor 20 5 4 Thermal Headroom Level Monitor 20 5 5 Power Standby Control 21 5 6 Amp Information 21 5 7 Amp Mode 21 5 8 Amp Output Mode 21 5 9 Error Reporting 21 6 CobraNet 23 6 1 CobraNet Module Parameters 23 6 2 CobraNet Input Routing 24 6 3 CobraNet Output Routing 24 7 Signal Processing 26 7 1 Signal Processing Forms 26 7 2 Signal Routing 26 7 3 Input Signal...

Page 7: ...opology 47 10 11 Multi Star Topology 48 10 12 The Internal AUX Circuit 51 10 13 A Sample AUX Output Circuit 52 10 14 Q factor vs Bandwidth 54 10 15 RJ 11 RJ 45 Pin Assignments 55 10 16 IQ Address Switch S1 Settings from 0 through 83 56 10 17 IQ Address Switch S1 Settings from 84 through 167 57 10 18 IQ Address Switch S1 Settings from 168 through 250 58 10 19 IQ PIP USP2 CN Signal Flow Block Diagra...

Page 8: ...verage clip output limiters and load supervision The familiar IQ AUX port has been en hanced and the Listen Bus fea ture is now available via CobraNet A full 24 bit signal path is main tained by using state of the art 24 bit Digital to Analog Converters along with the audio industry stan dard Motorola 56000 series 24 48 bit DSP The IQ PIP USP2 CN is powered by the amplifier and all unit param eter...

Page 9: ... the circuit boards Please unpack and inspect the unit for any damage that may have oc curred during transit If damage is found notify the transportation com pany immediately Only you the consignee may initiate a claim with the carrier for shipping damage Crown will be happy to cooperate fully as needed Save the shipping carton as evidence of damage for the shipper s inspection Even if the unit ar...

Page 10: ...IQ PIP USP2 CN Page 10 IQ PIP USP2 CN Reference Manual Figure 2 1 IQ PIP USP2 CN Controls Connectors and Indicators 2 Controls Connectors Indicators ...

Page 11: ...lue of 1 switch 2 has a value of 2 switch 3 has a value of 4 switch 4 has a value of 8 and so on The address is determined by adding the values of all ON switches In Figure 3 1 switches 1 3 4and7areon Simplyaddthe values to find the address 1 4 8 64 77 A convenient series of IQ address tables are included in Section 10 9 The tables show the switch settings for all 250 addresses No two IQ component...

Page 12: ...ound yourself to the chassis of the amplifier before installingtheIQ PIP USP2 CN Itis a good idea to maintain ground contact between yourself and the amplifier while inserting the module into the amplifier 7 Install the IQ PIP USP2 CN into the amplifier Turn the IQ PIP USP2 CN over so that you can clearly see the two ribbon cable connectors located on the undersideofthecircuitboard see Figure 3 2 ...

Page 13: ...he two PIP mounting screws until the PIP is secured to the amplifier back panel Be sure to use the supplied star washers for good ground connection 3 4 Install the Wiring 9 Connect the IQ PIP USP2 CN to theIQsystemviatheIQBus The IQ components in a IQ Bus loop are wired sequentially The loop begins and ends with the IQ interface The output of one IQ component loops to the input of the next and so ...

Page 14: ... PIP USP2 CN Reference Manual Figure 3 6 RJ 45 Output to Din Input Figure 3 5 RJ 45 Output to Barrier Block Input The following examples show how to connect the IQ PIP USP2 CN to other IQ components Figure 3 4 RJ 45 Mating Plug ...

Page 15: ...IQ PIP USP2 CN Page 15 IQ PIP USP2 CN Reference Manual Figure 3 7 RJ 45 Input to Barrier Block Output Figure 3 8 RJ 45 Input to Din Output Figure 3 9 RJ 45 Output to RJ 45 Input ...

Page 16: ...ackup network hub or switch if desired For compliance with emission regulations one of the supplied ferritecoresmustbeplacedonthe cable with the cable making two passes through the core see Figure 3 10 The IQ PIP USP2 CN will automatically switch over to this backup connection if the primary network connection fails 12 Reconnect amplifier to the AC receptacle 3 5 Adjust System Levels 13 Adjust att...

Page 17: ...g steps Remove all input signals With the power on briefly press the switch for less than two seconds to toggle through the 10 user defined presets stored in firmware Each press will increment the selected preset by one After the switch is released the DATA light will flash rapidly for a moment then the PRESET indicator will blink to indicate the preset num ber selected Restore input signals To re...

Page 18: ... the CobraNet network If the Primary connection fails due to cut wire failed network switch etc this port is automatically enabled and ready to receive the network data within a 4 3 Data Indicator An amber Data Indicator IQ DATA is provided on the front panel see Figure4 1 Itflasheswhenevercom mands addressed to the IQ PIP USP2 CN are received To assist with troubleshooting an option that forces t...

Page 19: ... 4 10 AUX Input Output Connector An RJ 11 connector provides both Auxiliary input and output connec tion to outside circuits Operation of the AUX Output is described in Sec tion 9 3 and AUX Input operation is described in Secton 9 4 4 11 IQ Bus Drop Out Relay A Drop out relay is provided on the IQ Bus ports to maintain the continuity of the IQ communication loop even if the IQ PIP USP2 CN loses po...

Page 20: ...ort IOC events to its AUX port 5 2 Input Signal Level Monitor The input signal level of each chan nel can be monitored This monitor feature has a range from 20 dBu to 40 dBu in dB steps 5 3 Output Signal Level Monitor The output signal level of each chan nel of the amplifier can be moni tored This monitor feature has a range from 0 dB to 40 dB where 0 dB is referenced to the rated out put voltage ...

Page 21: ...ror Reporting Four different error conditions can bedetectedbytheIQ PIP USP2 CN They include IOC Thermal Fault and Load Reporting for each condi tion can be individually configured for output to the AUX port the IQ for Windows software or both If you choose system software notification you will receive notice of the fault condition via the IQ System If you chooseAUXoutnotification theAUX out signa...

Page 22: ...ccurs when a channel fails PIP2 compatible devices monitor a fault signal from the amplifier Load You can choose to be warned if the impedance of the load being driven by the amplifier falls out of a pre selected range See Section 8 for instructions on setting up the load supervision feature ...

Page 23: ...phic user interface for the design configuration and moni toring of CobraNet networks It is avail able for download from Peak Audio s website at www peakaudio com CobraNet trolled and monitored through the CobraNet network using CobraCAD or other industry standard SNMP enabled network management software 6 1 1 Conductor Any CobraNet device can be con figured to operate either as Network Conductor ...

Page 24: ... space The IP address must be configured in order to control monitor the device with IP based software 6 2 CobraNet Input Routing CobraNet input routing includes the following controls 6 2 1 CobraNet Receive Bundles The IQ PIP USP2 CN can receive fouruniqueCobraNetBundles RxA RxB RxC RxD Each Bundle in cludes an Active indicator to indi cate whether the particular Bundle is being actively transmit...

Page 25: ...niquedigitalaudiochan nels Each channel is selected at its respective transmitter to contain none 16 20 or24 bitaudiosample data A total of 32 channels can be transmittedbyasingleIQ PIP USP2 CN at any one time however only two channels available to source from The CobraNet Transmit Chan nel object is stored in presets ChannelLabel Each transmitted digital audio channel can be assigned a user speci...

Page 26: ...struc ture of the forms environment within IQ for Windows consult the documenta tion and help files which accompany the software For more information about the PIP AMCb consult the PIP AMCb Ref erence Manual or contact Crown Technical Support 7 1 2 1x2 Crossover Processor EQ The 1x2 Crossover Processor EQ form provides Auto Standby Input Compression Limiter Crossover and DSP Filter Processing opti...

Page 27: ...and tripping power break ers The turn on delay is calculated by 10 msec x IQ address value It may be desirable to disable this feature so that the first syllable of speech is not missed in a voice page application 7 5 Input Signal Compressor Limiter An input signal compressor limiter is available for each channel Five parameters control this feature On Off Turns this function on or off Threshold S...

Page 28: ...ilter cells All filters with adjustable Q factors can be set in fractions of an octave See Section 10 7 for information about calculating Q factors An indicator in the software shows how much DSP resources are being used by the selected filters One 3rd or 4th order filter uses the equivalent of two 1st or 2nd order filters 1st 2nd 3rd and 4th order re sponses result in 6 12 18 and 24 dB octave rol...

Page 29: ...to 24 dB Frequency Sets the center frequency of the filter The range is 20 Hz to 20 kHz Q Sets the width and slope of the filter The range is 0 1 to 34 The lower the Q the wider the filter and the better the transient response and visa versa 7 6 4 Low Pass Equalization Filter Description This filter combines the functions of the parametric equal ization filter to boost or cut a rela tively narrow ...

Page 30: ...low pass rather than a high pass filter It has a fixed 1st order slope 6 dB octave It is commonly used to compensate for the natural high frequency roll off of constant direc tivity horns Passband Gain Sets the amount of boost or cut for the filter The range is 12 dB to 24 dB Frequency Sets the 3 dB corner frequency of the filter The range is 20 Hz to 20 kHz 7 7 Signal Delay Signal delay can be se...

Page 31: ...4 Attack Time Adjustable from 1 second to 30 sec onds in 1 second increments 7 9 5 Release Time Adjustable from 1 second to 30 sec onds in 1 second increments 7 10 Clip Eliminator This limiter eliminates amplifier clip ping by monitoring IOC signals The only control for this limiter is On Off 7 11 Thermal Limiter A thermal limiter is provided to limit amplifieroutputasafunctionofavail able thermal...

Page 32: ...l of each channel can be independently inverted 7 15 Tie Switch The Tie switch connects all active compressors and limiters together so that any limiting compression af fects the signal on both channels such as would typically be desired when processing stereo signals 7 16 Ghost Faders These indicators let you monitor the signal path gain where it may differ from manual gain set on input at tenuat...

Page 33: ...status 8 3 Low Limit This feature sets the lower bound below which the system will report a low error status 8 4 Nominal Load Impedance This feature sets the expected aver age impedance for the connected load This value determines the out put signal level required for test This parameter is also used by the average power limiter to determine the expected power limit threshold see Section 7 9 8 5 C...

Page 34: ...the memory backup feature to be turned off with unsafe levels stored This may result in sig nificantly greater system gain the next time power is re applied to the IQ PIP USP2 CN 9 3 AUX Output The AUX Output delivers 15 VDC at 10 mA maximum output when switched to logic High and may be controlled via software or may be programmed to switch when a fail condition is present on any channel The logic...

Page 35: ...state of the Min Pre set and Max Preset settings all Pre sets are available for selection within IQ for Windows software IQ PIP USP2 CN is set in this mode and the currently selected Preset is outside the specified range the Pre set will be changed to the minimum Preset value Once the AUX Input has been used to select a Preset in this mode it must be toggled to the OFF position and a five second w...

Page 36: ...n an IQ System 10 1 1 Communications Overview Communication in the IQ System is strictly client server or speak when spoken to In other words all communication is initiated by the host through the interface A 20mA current loop called the IQ Bus connects the interface and all IQ components in the system A com ponent on the IQ Bus may not initiate communication Onlyonecommand can be on the IQ Bus at...

Page 37: ...indows see the online documen tation that accompanies the pro gram or visit the IQ website at www iqaudiosystems com 10 1 4 IQNET Crown IQNET describes the ability of IQ for Windows to communicate with one or more remote systems usinganetworkconnection Itmakes use of the TCP IP protocol services built into Windows and can run over any network that can be configured under Windows IQNET requires the...

Page 38: ...re 10 1 Clicking on the yellow bar along the bottom changes the Control Panel to a larger window that in cludes a few more monitor features as well as the most basicamplifiercontrolssuch as Power Mute Polarity In putAttenuatorsandAUXPort control Clicking on the yellow bar along the bottom of this window opens the tabbed control area allowing access to all remaining fea tures as shown in Figure 10 ...

Page 39: ...These include Stereo Mono Switching Model Selection Ampli fier Serial Number Date Code User Labels Access to All commands 8 4Ohm 70voltswitchingforCrown Figure 10 2 General Control Tab Com Tech 02 amplifiers AUX In put Controls for polarity mode min preset and max preset and Firm ware Program Version number Fig ure 10 2 shows the General Control Tab ...

Page 40: ... when a Preset button is pressed Important To store current settings as a Preset the store button must Figure 10 3 Presets Control Tab first be pressed then the desired Preset button Preset 10 provides an example of a typical setup for a very simple Cobranet Network When Preset 10 is recalled the PIP will receive bundle 1 and route Channel one to amplifier input Channel one and Channel two to ampl...

Page 41: ...nerated IQ for Windows can generate alerts such as dialog box on screen fax e mail play wave file etc Error con ditions that can be set up include Figure 10 4 Error Reporting Control Tab IOC Errors Thermal Errors Fault Conditions and Load Supervision Errors The Report Errors Via AUX func tion enables any errors to also be reported to the AUX Port output The AUX Port polarity can be set for high to...

Page 42: ...on controls and test result indicators for each channel of an amplifier see Section 8 for information about Load Super vision Load supervision allows you Figure 10 5 Load Supervision Control Tab monitor the average impedance of your amplifier s load and alerts you if it falls outside of set limits Figure 10 5 shows the Load Supervision Control Tab ...

Page 43: ...mationabout signal processing forms The full set of available functions are Input Routing Auto Standby Input Com pressor Filters Signal Delay Peak Figure 10 6 Signal Path Control Tab VoltageLimiter AveragePowerLim iter Clip Eliminator Thermal Lim iter Output Trim Gain and Output Routing More details on the opera tion of these controls are available in theOnlineHelpsectionofeachwithin IQ for Window...

Page 44: ...access to the CobraNet module control and monitoring fea tures System identificaton and ad dressing Conductor priority and status and error indicators are all available within this tab see Section 6 1 for information about the CobraNet module Figure 10 7 shows the CobraNet Setup Control Tab Figure 10 7 CobraNet Setup Control Tab ...

Page 45: ...raNet Network and make it easy to route CobraNet audio into and out of the IQ PIP USP2 CN see Section 6 for more information about CobraNet Routing between the CobraNet network and the IQ PIP USP2 CN is achieved by dragging alinebetweenthedesiredCobraNet Channel and the PIP input or ampli fier output Bundle numbers and pri oritiesareassignedwithinthesetabs as well Figure 10 8 shows the CobraNetInp...

Page 46: ...IQ PIP USP2 CN can be con nected to the IQ Bus with inexpen sive twisted pair wiring shielded or unshielded If fiber optic wiring is required contact the Crown Techni cal Support Group see page 2 Herearesomeguidelinesfortwisted pair wiring Use shielded twisted pair wire at least 26 AWG in size when interference is a problem The wire should be of good quality and should have low capacitance 30 pico...

Page 47: ...ched hub is used to the destination PC only Hubs may be active or switched Because typical mic cables have high capacitance the maximum possible IQ Bus loop distance will be less Lower capacitance allows longer loops Unshielded wire usually has less capacitance Never use the ground wire in a mic snake line It may sometimes be convenient to run IQ Bus data signals to and from stage monitor amplifie...

Page 48: ... audio data as desired The trans mitter and receiver buffering re quired for reliable transmission is fixed at 256 samples yielding a net work transmission latency of 5 333 ms 256 samples at 1 48 kHz per sample 10 4 3 The Conductor A CobraNet system is coordinated by one of the devices called the conductor When two or more CobraNet devices are intercon nected properly one of the devices will be el...

Page 49: ...eiv ers Bundles from 1 to 255 are desig nated as multi cast Bundles This means that they are transmitted to multiple receivers This type is most used on repeater networks limited to 64 channels Bundles from 256 to 65 279 are uni cast Thismeansthattheyaretrans mitted to one and only one receiver This type is most used on switched networks requiring more than 64 channels A Bundle can carry up to 8 a...

Page 50: ...ch port has 100MB of bandwidth and the overall network can be as large as 100MB times the number of ports on the network Switched networks allow both multi castanduni castCobraNetBundles Uni cast transmissions can only be received by a single node and are typically used for point to point rout ing This technique leverages Ethernetswitchingtechnologytosig nificantly conserve overall network bandwid...

Page 51: ...on inverting see Section 9 4 A total of 10 milliamps of current is available A1 8Kohmresistorprotectsagainst shorts See Figure 10 12 There are many possible uses for the AUX Output For example it can be used to turn on auxiliary cooling fans To do this the AUX connector might be used to close a relay The relay would then turn the fans on or off This is shown in Figure 10 13 By monitoring the opera...

Page 52: ...mplifier load in real time with almost any program material Aver age load impedance is calculated as a function of amplifier output volt age and current The system re quires approximately 20 30 mA of average amplifier output current for adequate supervision This allows typically low average output power levels of less than watt with most loads The maximum load imped ance for reliable system perfor...

Page 53: ...rmal load The high limit should be set for at least 2 times the expected nominal or ac tual measured load while the low limit should be set to the expected nominal or actual measured load The following example calculates the SPL necessary for supervision of a typical 8 ohm system While the resulting 80 dB SPL 1 meter is definitely above conversation level it is not uncomfortable An 8 ohm example 3...

Page 54: ...The table relates the Q factor to bandwidth in oc taves according to the equation where K is the number of equal divisions per octave Figure 10 14 Q factor vs Bandwidth 2 1 2K 1 1 K 1 Q Q factor 0 200 0 266 0 667 1 414 2 415 2 871 4 318 8 651 14 42 28 85 43 28 50 00 100 0 K 0 21 0 25 0 5 1 1 5 2 3 6 10 20 30 34 7 69 3 BW in Octaves 4 8 4 2 1 2 3 1 2 1 3 1 6 1 10 1 20 1 30 1 35 1 70 that the algori...

Page 55: ...J 11 and RJ 45 connectors are indicated in Figure 10 15 When wiring RJ 45 connectors it is good practice to follow the EIA TIA 568B protocol for RJ 45 connector cable This protocol assigns wire colors as follows 1 white orange 5 white blue 2 orange white 6 green white 3 white green 7 white brown 4 blue white 8 brown white Extra care must be taken when at taching RJ 11 and RJ 45 connec tors to cabl...

Page 56: ...IQ PIP USP2 CN Page 56 IQ PIP USP2 CN Reference Manual Figure 10 16 IQ Address Switch S1 Settings from 0 through 83 ...

Page 57: ...IQ PIP USP2 CN Page 57 IQ PIP USP2 CN Reference Manual Figure 10 17 IQ Address Switch S1 Settings from 84 through 167 ...

Page 58: ...IQ PIP USP2 CN Page 58 IQ PIP USP2 CN Reference Manual Figure 10 18 IQ Address Switch S1 Settings from 168 through 250 ...

Page 59: ...IQ PIP USP2 CN Page 59 IQ PIP USP2 CN Reference Manual Figure 10 19 IQ PIP USP2 CN Signal Flow Block Diagram 10 10 Signal Flow Block Diagram ...

Page 60: ...ary RJ 45 con nectors flashes green if the network link is connected and operating nor mally and flashes red if the port is in If address 0 is selected the IQ PIP USP2 CN will operate in stand alone mode In this mode the IQ Bus port is deactivated a Fault condition The right indica tor on the Primary and Secondary RJ 45 connectors is ON green if the port is in use and is ON orange if the port is o...

Page 61: ...B A weighted 20 Hz to 20 kHz audio sourced from muted CobraNet channels Frequency Response 0 5 dB 20 Hz to 20 kHz referenced to 1 kHz 0 dBu input signal Distortion Less than 0 05 THD N 20 Hz to 20 kHz refer enced to 1 kHz 0 dBu input signal Crosstalk better than 80 dB full scale input level 20 Hz to 20 kHz input frequency sweep 20 Hz to 20 kHz bandwidth Listen Bus Distortion Less than 0 1 THD N 20...

Page 62: ...Crown to receive reimbursement Your repaired unit will be returned via UPS ground Please contact us if other arrangements are re quired Factory Service Shipping Instructions 1 When sending a Crown product to thefactoryforservice besuretofill out the service information form that follows and enclose it inside your unit s shipping pack Do not send the service information form separately 2 To ensure ...

Page 63: ...ce not later than ninety 90 days after expiration of the warranty period All components must be shipped in a factory pack which if needed may be obtained from us free of charge Corrective action will be taken within a reasonable time of the date of receipt of the defective product by us or our authorized service center If the repairs made by us or our authorized service center are not satisfactory...

Page 64: ...the product from the date of original purchase Warranty work can only be performed at our authorized service centers We will remedy the defect and ship the product from the service center within a reasonable time after receipt of the defective product at our authorized service center HOW TO OBTAIN WARRANTY SERVlCE You must notify us of your need for warranty service not later than ninety 90 days a...

Page 65: ..._________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ Other equipment in your system __________________________________________ ____...

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