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Crown IQ–P.I.P.–SLM Reference Manual

An iq system programmable input processor with load monitoring for crown p.i.p.-compatible power amplifiers
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An IQ System
®
Programmable Input Processor with Load Monitoring
for Crown
®
P.I.P.
®
-compatible Power Amplifiers
©1997 by Crown International, Inc., P.O. Box 1000, Elkhart, Indiana 46515-1000 U.S.A. Telephone: 219-
294-8000. The IQ–P.I.P.–SLM is produced by the Professional Audio Division of Crown International, Inc.
Trademark Notice: MPX-6
™
, SMX-6
™
and Macro Reference
™
are trademarks and Amcron
®
, Crown
®
, IQ
System
®
, IOC
®
, ODEP
®
, Macro-Tech
®
, Com-Tech
®
and P.I.P.
®
are registered trademarks of Crown
Printed on
International, Inc. Other trademarks are the property of their respective owners.
recycled paper.
100471-1
7/97

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Summary of Contents for Crown IQ–P.I.P.–SLM

  • Page 1 An IQ System ® Programmable Input Processor with Load Monitoring for Crown ® P.I.P. ® -compatible Power Amplifiers ©1997 by Crown International, Inc., P.O. Box 1000, Elkhart, Indiana 46515-1000 U.S.A. Telephone: 219- 294-8000. The IQ–P.I.P.–SLM is produced by the Professional Audio Division of Crown International, Inc. Trademark Notice: MPX-6 ™...
  • Page 2 SUMMARY OF WARRANTY The Crown Audio Division of Crown International, Inc., 1718 West The Crown Audio Division of Crown International, Inc., 1718 West Mishawaka Mishawaka Road, Elkhart, Indiana 46517-4095 U.S.A. warrants to you, Road, Elkhart, Indiana 46517-4095 U.S.A. warrants to you, the ORIGINAL...

  • Page 3: Quick Install Procedure

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems Quick Install Procedure This procedure is provided for those who are already familiar with Crown’s IQ System and who would like to install the IQ–P.I.P.–SLM in the shortest time possible. Less experienced installers or those wishing a full explanation of the installation procedure are encouraged to go to Section 4 where the full installation procedure is described.
  • Page 4 If you need special assistance beyond the scope of this manual, please contact our Technical Support Group. Crown Audio Division 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 Fax Back (North America only): 800-294-4094 or 219-293-9200 Fax Back (International): 219-294-8100 Internet: http://www.crownintl.com...

  • Page 5: Table Of Contents

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems CONTENTS Quick Install Procedure ..........3 1 Welcome ............... 7 Unpacking ............7 2 Facilities ............... 8 3 Features ..............10 Power/Standby Indicators ......... 10 IOC Event Monitor ..........10 Power Control ............
  • Page 6 IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems 5 Technical Information ..........22 Audio Signals ............ 22 Amplifier Monitoring .......... 22 Amplifier Control ..........22 Signal Generator ..........22 IQ System Communications ......22 Microprocessor, Digital Logic, Reset Switch ..22 Contents continued...

  • Page 7: Welcome

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems Fig. 1.1 IQ–P.I.P.–SLM 1 Welcome The IQ–P.I.P.-SLM brings both load and current moni- This manual will help you successfully install your unit. toring capabilities to your PIP2-compatible amplifier.* We strongly recommend that you read all the instruc- Featuring a built-in sine-wave generator and data- tions, warnings and cautions contained within.

  • Page 8: Facilities

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems DATA CROWN BUS SLM#.### AUDIO IN CH-2 CH-1 OUT IN Front View Programmable Input Processor Bottom View CABLE B CABLE A Fig. 2.1 The IQ–P.I.P.–SLM Facilities 2 Facilities A. Mounting Screws nel of the amplifier.* These removable connectors The IQ–P.I.P.–SLM is secured to the back panel of the make it easy to attach an input cable with just three...
  • Page 9 IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems C. AUX Input/Output Connector G. IQ Address Switch (SW1) A 3-pin, Eurostyle, removable barrier-block connector An 8-section DIP switch is used to set the IQ address is provided to control auxiliary equipment. The AUX of the unit (see Section 4.1 and (L) below).

  • Page 10: Features

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems 3 Features 3.3 Power Control The IQ–P.I.P.-SLM is a powerful companion for any Each channel’s high-voltage supply can be indepen- Crown PIP2 amplifier, with a range of features that al- dently turned on and off with the Power control.

  • Page 11: Data Indicator

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems Caution: Be careful to turn on the memory backup fea- 3.10 Data Indicator ture if the input attenuators will be used to set critical A Data LED is provided on the front panel. It flashes levels.

  • Page 12: User Default Settings

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems If “user default” settings have been previously estab- tions. See Section 3.20 for more information on using lished through the IQ software, these settings will be the Fixed Frequency Generator. enabled when the reset switch is pressed and immedi- Monitoring is performed by the IQ–P.I.P.–SLM via a ately released.

  • Page 13: Fixed Frequency Generator

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems Note: While the frequency ranges of the tests for quency Generator Frequency Setting. each channel will be restricted to those set by indi- Fixed Frequency Generator Frequency Setting: vidual start/stop parameters, the sweep itself will This determines the frequency setting for the fixed begin at the lower of the two Start frequencies and sinewave generator.

  • Page 14: Synchronous Operation (Sync Mode)

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems Please note that when Sync Mode is selected, the main from 1% to 100%. NOTE: High ODEP levels indicate audio inputs are used and no digital signal is produced by that the amplifier is running to "hot."...

  • Page 15: Installation

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems 4 Installation A valid IQ address is any number from 1 to 250. Do not use a number higher than 250 since they Before beginning, please carefully note: are reserved for special use. An address of “0” (zero) should never be used except to put the CAUTION: ST CAUTION: ST...

  • Page 16: Install The Iq-P.i.p.-Slm Into The Amplifier

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems card and a PIP2 input adapter. If so, remove Rotate PIP2 180° both the P.I.P. card and the PIP2 adapter by de- taching the ribbon cables from the PIP2 adapter. The P.I.P.

  • Page 17: Prepare The Audio System

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems 9. Connect the audio signal wiring to the IQ– 13. Perform and verify reference tests. Using the P.I.P.–SLM . Two 3-pin Eurostyle barrier block in- IQ software, make a reference measurement for put wiring connectors, one for each channel, each channel that you plan to use.

  • Page 18: A Removable Eurostyle Mating Plug

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems commands and data. As implemented in the IQ–P.I.P.– quired by high-capacitance wire. Although we SLM , it is a 20 milliamp current loop operating at a recommend a repeater for loops longer than BAUD rate of 38.4 K.

  • Page 19: A Closer Look At Audio Signal Wiring

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems IQ–P.I.P-SLM Output IQ Component Input IQ Interface + – + – + – + – Output (+) Output (+) Output (–) Output (–) Input (+) Input (+) IQ Component Input (–) Input (–) GND Lug Fig.

  • Page 20: Using The Aux Connector

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems We strongly recommend that balanced wiring be used The internal AUX circuit is shown below in Figure 4.10: if possible. Some important guidelines follow: +15 V • Always use shielded wire. The higher the density of the shield (the outer conductor), the better.

  • Page 21: Controlling External Devices (Aux Out)

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems channels have failed a test. By reversing the logic, the devices can be synchronized so they function in uni- AUX output will not send a pass signal when the unit is son as a group.

  • Page 22: Technical Information

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems 5 Technical Information 5.3 Amplifier Control The purpose of the IQ–P.I.P.–SLM is to provide remote The IQ–P.I.P.–SLM can control the following functions: control and monitoring of a PIP2-compatible amplifier. high-voltage supplies on/off, audio input level (0 to In addition, the IQ–P.I.P.–SLM provides Load Monitor- –80 dB in 0.5-dB steps), audio polarity, DATA LED, and ing functions which allow storage of amplifier voltage...

  • Page 23: Iq-P.i.p.-Slm Circuit Block Diagram

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems MONITOR INPUTS CH 1 AMP OUTPUT VOLTAGE CH 2 CH 1 REF VOLTAGE A / D AMP OUTPUT CONVERTER CURRENT CROWN BUS CH 2 INPUT INPUT MUX SERIAL RESET RECEIVER A/D CONV.

  • Page 24: Specifications

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems 6 Specifications General Load Monitor Internal Controls: An 8-segment DIP switch is used to set the IQ address (decimal range: 1–250). A Reset Impedance Measurement Capabilities: 50 ohms, switch, accessible with a straightened paper clip ±–5% from 20 Hz to 22 kHz.

  • Page 25: Iq Address Tables

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems 7 IQ Address Tables This section contains lookup tables for every valid IQ Remember: No two IQ components of the same type address. The valid addresses are 1 to 250. Remember which are connected to the same Crown Bus loop can that address “0”...

  • Page 26: Iq Address Switch (Sw1) Settings From 126 To 250

    IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems IQ Address Switch IQ Address Switch IQ Address Switch Address Address Address Fig. 7.2 IQ Address Switch (SW1) Settings from 126 to 250 Page 26 Reference Manual...

  • Page 27: Service

    Shipments should be sent “UPS ground.” (If the unit is under warranty, you Crown Audio Division may send it C.O.D. for the cost of freight via UPS ground.) The factory will return it via UPS ground.
  • Page 28 IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems Page 28 Reference Manual...
  • Page 29 IQ–P.I.P.–SLM Programmable Input Processor with Load Monitoring for IQ Systems Crown Factory Service Information Shipping Address: Crown International, Inc., Factory Service, Plant 2 SW, 1718 W. Mishawaka Rd., Elkhart, IN 46517 Phone: 1-800-342-6939 or 1-219-294-8200 Fax: 1-219-294-8124 Owner’s Name: _________________________________________________________________________ Shipping Address: ______________________________________________________________________ Phone Number: _____________________________ Fax Number: _____________________________...

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