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Crown IQ-PIP-USP3 Reference Manual

Programmable input processor with tcp/iq
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IQ-PIP-USP3/CN
Reference Manual
An IQ Network™ Programmable Input Processor with TCP/IQ
and CobraNet ™ Connectivity, SmartAmp ™ Features and Load Supervision for
.
Crown PIP2™ -Compatible Amplifiers
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 574-294-8000.
This manual does not include all of the details of design, production, or variations of the
equipment. Nor does it cover every possible situation which may arise during installation,
operation or maintenance. If special assistance is needed beyond the scope of this manual,
please contact the Crown Technical Support Group.
The information provided in this manual was deemed accurate as of the publication date.
However, updates to this information may have occurred. To obtain the latest version of this
manual, please visit the Crown website at www.crownaudio.com.
Trademark Notice: Crown, Amcron, Com-Tech, Macro-Tech, IQ and IQ System are reg-
istered trademarks of Crown International. SmartAmp, IQ2, PIP and PIP2 are trademarks of
Crown International. Other trademarks are the property of their respective owners.
®
Some models may be exported under the name Amcron.
©2002 by Crown Audio Inc., P.O. Box 1000, Elkhart, Indiana 46515-1000 U.S.A.
Telephone: 574-294-8000
135417-1
10/02

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  • Page 1 Crown International. SmartAmp, IQ2, PIP and PIP2 are trademarks of Crown International. Other trademarks are the property of their respective owners. ® Some models may be exported under the name Amcron. ©2002 by Crown Audio Inc., P.O. Box 1000, Elkhart, Indiana 46515-1000 U.S.A. Telephone: 574-294-8000 135417-1 10/02...

  • Page 2: Fcc Compliance Notice

    IQ-PIP-USP3/CN Crown Technical Support 1718 W. Mishawaka Rd., Elkhart, Indiana 46517 U.S.A. Phone: 800-342-6939 (North America, Puerto Rico and Virgin Islands) or 574-294-8200 Fax: 574-294-8301 Internet: http://www.crownaudio.com WATCH FOR THESE SYMBOLS. The exclamation point triangle is used to alert the user to important operating or maintenance instructions.

  • Page 3: Quick Install Procedure

    IQ-PIP-USP3/CN Quick Install Procedure This procedure is provided for those who would like to install the IQ-PIP-USP3/CN in the shortest time possible and are already familiar with Crown’s IQ System and TCP/IQ. Less experienced installers or those wishing a full explanation of the installation procedure are encouraged to go to Section 3 where the full installation procedure is described.

  • Page 4: Table Of Contents

    1.2 How to Use This Manual ........... 8 2 Controls, Indicators and Connectors ..... 9 3 Installation ..........10 3.1 Prepare the IQ-PIP-USP3/CN ........... 10 3.2 Prepare the Amplifier ............10 3.3 Install the PIP-USP3/CN Into the Amplifier ...... 11 3.4 Install the Wiring ..............
  • Page 5 IQ-PIP-USP3/CN Table of Contents (continued) 4.2.23 Sine Generator ............22 4.2.24 Peak Voltage Limiter ..........22 4.2.25 Average Power Limiter ..........22 4.2.26 Clip Eliminator ............23 4.2.27 Thermal Limiter ............23 4.2.28 Limiter Tie .............. 23 4.2.29 Load Supervision ........... 23 4.3 CobraNet ................

  • Page 6: Illustrations

    IQ-PIP-USP3/CN Illustrations 2.1 Front Panel Controls, Connectors and Indicators ....9 3.1 Installing the IQ-PIP-USP3/CN into the Amplifier ....11 4.1 Signal Flow Block Diagram ............ 14 4.2 Input Routing Screen ............. 14 5.1 Input Wiring for the IQ-PIP-USP3/CN ........28 5.2 A TCP/IQ Network ..............

  • Page 7: Welcome

    Even if the unit arrived in perfect condition, as most do, save all the packing materials. NEVER SHIP THE UNIT WITHOUT THE FACTORY PACK. *A PIP2-compatible amplifier is necessary to use the IQ-PIP-USP3/CN. To determine if the amplifier is PIP2 compatible, look for the logo on the back of the amplifier.

  • Page 8: How To Use This Manual

    IQ-PIP-USP3/CN 1.2 How to Use This Manual This manual provides you with the necessary information to safely and correctly set up and operate your amplifier accessory. It does not cover every aspect of installation, setup or operation that might occur under every condition. For additional information, please con- sult Crown Tech Support, your system installer or retailer.

  • Page 9: Controls, Indicators And Connectors

    During operations of the switch, the Data indicator flashes as an aid to the user. See Section 4.1.8. C. IQ Data Indicator Flashes when the IQ-PIP-USP3/CN receives a valid TCP/IQ command that is addressed to the IQ-PIP-USP3/CN. See Section 4.1.1. D: Fan Vent E.

  • Page 10: Installation

    3.1 Prepare the IQ-PIP-USP3/CN The IQ-PIP-USP3/CN comes ready to install in the amplifier. This unit does not require setting the “IQ address” as the older current loop, Crown bus, units did. Each IQ-PIP-USP3/CN (as well as all TCP/IQ components) come preprogrammed with a unique network (MAC) address.

  • Page 11: Install The Pip-Usp3/Cn Into The Amplifier

    3.3 Install the IQ-PIP-USP3/CN Into the Amplifier Carefully ground yourself to the chassis of the amplifier before installing the IQ-PIP-USP3/ CN. It is a good idea to maintain ground contact between yourself and the amplifier while inserting the module into the amplifier.

  • Page 12: Install The Wiring

    IQ-PIP-USP3/CN 3.4 Install the Wiring 1. Using a standard CAT5 cable, connect the Primary CobraNet connector to a 100Mb port on the Ethernet switch that is used to form the CobraNet network. For more detail, see Sec- tion 4.1.3. If network redundancy is required, use a standard CAT5 cable to connect the Secondary CobraNet connector to a 100Mb port on the auxiliary CobraNet network.

  • Page 13: Operation

    IQ-PIP-USP3/CN 4 Operation The USP3/CN provides a single plug solution for distribution of audio, control, and moni- toring of the amplifier. A single CAT5 connection to a standard Fast Ethernet network used for CobraNet and TCP/IQ Control provides all of the necessary infrastructure wiring.

  • Page 14: Signal Flow Block Diagram

    IQ-PIP-USP3/CN Figure 4.1 shows the system block diagram. Figure 4.2 shows the input routing screen. Note that there are two pairs of "source" selectors - each allows selection of 1, 2 or the sum of both for both Analog and CobraNet Inputs. What goes into each of the input channel paths is one of a selection of four possible input configurations of the channel pair.

  • Page 15: Hardware

    An amber Data indicator is provided on the front panel. It flashes whenever a command addressed to the IQ-PIP-USP3/CN is received. To assist with troubleshooting, an option that forces the data indicator to remain lit is available through the IQ software. Some Crown amplifiers also have a data indicator on their front panels.

  • Page 16: Aux Input/Output Connector

    • Manual mode: The output is simply controlled with a command from the IQ software. • Error reporting mode: The AUX out is active when the IQ-PIP-USP3/CN detects an error. Each error source (Thermal, Clip, Load, Amp Fault, and Line Voltage) can be individ- ually enabled to activate the AUX output when the error conditions are met.

  • Page 17: Preset/Reset Switch

    Data indicator (less than 2 seconds) and then release. The IQ-PIP-USP3/CN will load the next preset in the defined preset range. The range of presets is defined by the Maximum Preset and Minimum Preset controls.

  • Page 18: Input Signal Level Monitor

    The thermal limiter feature of the IQ-PIP-USP3/CN can be set to engage at a pre-selected thermal level. (See Section 4.2.17.) 4.2.6 Power/Standby Control...

  • Page 19: Dynamic Gain Monitors (Ghost Faders)

    The host amplifier’s mode status — Stereo (Dual), Bridge-Mono, or Parallel-Mono — can be sent to the IQ-PIP-USP3/CN with this control. IQ software then becomes aware of the amplifier's mode and the IQ-PIP-USP3/CN then ignores many of the Channel 2 controls.

  • Page 20: Auto Standby

    The Threshold Control sets the level that, if exceeded, will generate the error report. This control has a range of 1 to 100%. FAULT: Some PIP2-compatible amplifiers provide a fault signal to the IQ-PIP-USP3/CN if it detects some catastrophic amplifier failure.

  • Page 21: Filters

    IQ-PIP-USP3/CN Threshold: Sets the level, in dBu, above which the compressor begins to attenuate the input signal. This level corresponds to the input level meter reading. The compressor is “feed-forward,” meaning that the level detection point is located before the gain control stage.

  • Page 22: Delay

    IQ-PIP-USP3/CN 4.2.21 Delay Due to the nature of DSP processing, there is some inherent delay within the USP3/CN. These delays are: • Balanced Audio Input ADC: 312 µs • USP3/CN DSP Processing: 665 µs • Output DAC: 135 µs In addition to these unavoidable delays, additional delay can be added to each channel. Each channel is capable of 2.1 seconds of delay in 20.8 µs increments.

  • Page 23: Clip Eliminator

    4.2.29 Load Supervision The load supervision feature allows real-time monitoring of the load connected to each amplifier channel. When enabled, the IQ-PIP-USP3/CN continuously monitors the amplifier output voltage and current, and calculates the long-term average load impedance. The mea- sured load impedance is compared against the user-defined high and low limits. If either limit is exceeded, the status indicator and, if enabled, the IQ System Error Reporting func- tions alert the user of the problem.

  • Page 24: Cobranet

    CobraNet is a licensed technology developed by Peak Audio, Inc. consisting of proprietary communications protocol, firmware and hardware. It allows reliable, deterministic transmis- sion of digital audio over a 100Base-T Fast-Ethernet network. The IQ-PIP-USP3/CN oper- ates as a networked device on a CobraNet network, and interfaces digital audio from the network to the amplifer.
  • Page 25 • Priority: This parameter adjusts the priority level for becoming the Conductor. When set to zero, the IQ-PIP-USP3/CN will never function as the Conductor, and when set to 255 it will always function as the Conductor. The higher the priority number, the more likely unit will ct as the Conductor.

  • Page 26: Cobranet Input Routing

    16-, 20- or 24-bit audio sample data. A total of two audio channels can be processed by the IQ-PIP-USP3/CN at any one time. Any of the eight channels on a bundle can be can be routed to either of the two processing channel inputs on the IQ-PIP-USP3/CN.
  • Page 27 IQ-PIP-USP3/CN • Output Amplifier Audio: By sampling the actual output audio of the amplifer, Cobra- Net allows remote access and monitoring of each amplifier channel at the speaker! CobraNet extends the "Listen Bus" feature found on other PIP modules to any network user, allowing them to listen to the output of any networked amplifier from any location on the network.

  • Page 28: Audio Signal Wiring And Network Basics

    For more information about any of these topics, contact Crown Technical Support. 5.1 A Closer Look at Audio Signal Wiring Balanced audio inputs are connected to the IQ-PIP-USP3/CN through a 5-pin removable barrier block. The audio cables should be wired in the following manner (See Figure 5.1) Figure 5.1 Input Wiring for the IQ-PIP-USP3/CN...

  • Page 29: Tcp/Iq Network Basics

    IQ-PIP-USP3/CN 5.2 TCP/IQ Network Basics TCP/IQ is a network based protocol that has the ability to control and monitor IQ compo- nents over a common TCP/IP network. For IQ components that have CobraNet capability, TCP/IQ has the ability to control and monitor these IQ components over the same Ethernet network used for CobraNet audio, resulting in a single CAT-5 connection for control, moni- toring, and digital audio.
  • Page 30 IQ-PIP-USP3/CN Some of the features of TCP/IQ include: • Real-time control and monitoring of IQ components. • Use of standard “off-the-shelf” Ethernet technology. • For CobraNet enabled components, a single connection for both control and CobraNet audio. • Ability to quickly discover all IQ components connected to the network.

  • Page 31: Multiple Network Communication Via An Ip Router

    IQ-PIP-USP3/CN Computer Computer 100Mb Switch IP Router 100Mb Switch Wireless Access Point Wireless Devices Figure 5.3 Multiple Network Communication Via an IP Router This allows the network designer to isolate network traffic from each other. For example, in the case of the use of wireless devices in the control of IQ components, the bandwidth limi- tation of wireless will not allow them to reside on the same network with CobraNet.

  • Page 32: A Closer Look At Cobranet

    IQ-PIP-USP3/CN four numbers (0-255) separated by periods. For example, a subnet mask of 255.255.255.0 and an IP address of 192.168.1.123 says that all IP address in that LAN are in the IP address range of 192.168.1.1 to 192.168.1.255. If a TCP/IQ controller is on a different network than the TCP/IQ components, communica- tions must occur through an IP router.

  • Page 33: Audio Specs

    IQ-PIP-USP3/CN Figure 5.5 Multi-Star Topology In larger Fast Ethernet networks, additional hubs, concentrators, and other network hardware are used to form a larger network, as shown in Figure 5.5. Today, commonly available networking cards are 10/100Base-T capable, which allows them to be used on either 10BaseT or 100Base-T networks.

  • Page 34: Bundles And Audio Channels

    IQ-PIP-USP3/CN The Conductor regulates the CobraNet digital audio traffic on the CobraNet network. Each transmitter is given a “permission” to transmit in a given time-slot within the Conductor controlled isochronous cycle-time. The time-slot is determined by the assigned bundle pri- ority.

  • Page 35: Switched Networks

    IQ-PIP-USP3/CN 5.3.6 Switched Networks A more complex CobraNet network can be built using Ethernet Switches.* Ethernet switch- ing technology is more sophisticated than hubs. Switches do not simply broadcast each and every packet to all nodes. Instead, they can interrogate each incoming packet transmission to determine its destination and (very quickly) transmit the data to only that destination port.

  • Page 36: Advanced Features And Options

    6 Advanced Features and Options 6.1 Using the AUX Connector The AUX connector of the IQ-PIP-USP3/CN offers a means to tap some of the flexibility of the IQ System. It can be used to enable peripherals, send a signal to another system com- ponent, and send a line-level audio signal of the amplifier's output.

  • Page 37: Wiring A Remote Preset Selector

    IQ-PIP-USP3/CN The AUX output has two enhanced modes: Error Reporting and Flash Preset. In Error Reporting mode, the AUX port can be set up to change state when any selected error (clip, thermal, amp fault, load impedance, and AC line level) is detected. With this feature, the AUX output of each amplifier can be wired to a separate light on a panel at the control loca- tion to indicate whether the amplifier is or is not in error.

  • Page 38: Aux Input

    6.2 Load Supervision Applications The IQ-PIP-USP3/CN Load Supervision feature can be used to monitor the amplifier load in real time with almost any program material. Average load impedance is calculated as a function of amplifier output voltage and current.

  • Page 39: Typical Load Characteristics

    The low frequency variations are usually wide bandwidth and may vary from 6 to 30 ohms on an 8-ohm driver. These anomalies are easily averaged out by the IQ-PIP-USP3/CN supervision algorithm in most systems. However, there may be some extreme situations for very narrow bandwidth (i.e.

  • Page 40: Specifications

    IQ-PIP-USP3/CN 7 Specifications Communications: 100Mb Fast Ethernet conforming to IEEE 802.3. Power Requirements: +24VDC @ 350mA, –24VDC @ 30mA. < 8.7 Watts. Balanced Audio Inputs: Input Impedance: Nominally 20 k ohms balanced, 10 k ohms unbalanced. Maximum Input Level: + 20 dBu.

  • Page 41: Troubleshooting

    Problem: IQ DATA indicator does not flash or illuminate, even though a valid TCP/IQ command was sent. Possible causes: • Command was not addressed to the IQ-PIP-USP3/CN. • Data cable is disconnected or broken. To assist with troubleshooting, an option that forces the data indicator to remain lit is available through the IQ software.

  • Page 42: Service

    IQ-PIP-USP3/CN 9 Service 9.1 Worldwide Service Service must be done at the Crown factory. Contact your local distributor for more infor- mation. 9.2 US and Canada Service Service must be done at the Crown factory (see Sections 9.2.1 and 9.2.2). It is important that you have your copy of the bill of sale as your proof of purchase.
  • Page 43 IQ-PIP-USP3/CN If you don't have the original carton, you may obtain a product service foam-in-place ship- ping pack from Crown Factory Service at the number listed below. For non-warranty ser- vice, you may also provide your own shipping pack, however we still recommend using a Crown supplied shipping container.

  • Page 44: Warranty

    IQ-PIP-USP3/CN 10 Warranty UNITED STATES & CANADA SUMMARY OF WARRANTY Crown International, 1718 West Mishawaka Road, Elkhart, Indiana 46517-4095 U.S.A. warrants to you, the ORIGINAL PURCHASER and ANY SUBSEQUENT OWNER of each NEW Crown product, for a period of three (3) years from the date of purchase by the original purchaser (the “warranty period”) that the new Crown product is free of defects in materials and workmanship.
  • Page 45 IQ-PIP-USP3/CN WORLDWIDE EXCEPT USA & CANADA SUMMARY OF WARRANTY Crown International, 1718 West Mishawaka Road, Elkhart, Indiana 46517-4095 U.S.A. warrants to you, the ORIGINAL PURCHASER and ANY SUBSEQUENT OWNER of each NEW Crown1 product, for a period of three (3) years from the date of purchase by the original pur- chaser (the “warranty period”) that the new Crown product is free of defects in materials and workmanship, and we further warrant the...
  • Page 46 This page intentionally left blank.

  • Page 47: Factory Service Information Form

    Crown Factory Service Information Shipping Address: Crown Factory Service, 1718 W. Mishawaka Rd., Elkhart, IN U.S.A. 46517 Phone: 1-800-342-6939 or 1-574-294-8200 Fax: 1-574-294-8124 Owner’s Name: __________________________________________________________ Shipping Address: _______________________________________________________ Phone Number: __________ Fax Number: ___________ Email: __________________ Model:________________________________ Serial Number: __________________ Purchase Date: ________________________ RA Number: __________________ NATURE OF PROBLEM...

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