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Crown IQ-SLM 8 Reference Manual

System and load monitoring iq system component
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DATA
POWER
PASS / FAIL INDICATORS
IMPEDANCE RESPONSE
FREQUENCY RESPONSE
1
2
3
4
5
6
7
8
PASS: GREEN / FAIL: RED
System and Load Monitoring IQ System Component
© 1999 by Crown International, Inc., P.O. Box 1000, Elkhart, Indiana 46515-1000 U.S.A. Telephone:
219-294-8000. The IQ–SLM-8 is produced by Crown International, Inc. Trademark Notice: IQ2
™
is a
trademark and Crown
®
, IQ System
®
and Com-Tech
®
are registered trademarks of Crown International, Inc.
Other trademarks are the property of their respective owners.
Printed on
recycled paper.
125120-3
12/99

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  • Page 1 FREQUENCY RESPONSE PASS: GREEN / FAIL: RED System and Load Monitoring IQ System Component © 1999 by Crown International, Inc., P.O. Box 1000, Elkhart, Indiana 46515-1000 U.S.A. Telephone: 219-294-8000. The IQ–SLM-8 is produced by Crown International, Inc. Trademark Notice: IQ2 ™...
  • Page 2 Warranty. ITEMS EXCLUDED FROM THIS CROWN WARRANTY This Crown Warranty is in effect only for failure of a new Crown product which occurred within the Warranty Period. It does not cover any product which has been damaged because of any intentional misuse, accident, negligence, or loss which is covered under any of your insurance contracts.

  • Page 3: Important Safety Instructions

    IQ–SLM-8 System and Load Monitoring IQ System Component Important Safety Instructions 1) Read these instructions. 2) Keep these instructions. 3) Heed all warnings. 4) Follow all instructions. 5) Do not use this apparatus near water. 6) Clean only with a dry cloth. 7) Do not block any ventilation openings.

  • Page 4: Quick Install Procedure

    In order to comply with FCC regulations, an EMI suppression core should be added to the (1) Crown Bus input and output wiring, (2) the generator output wiring, and (3) the AUX input and output wiring. Three EMI suppression cores are provided. See Section 4.9.

  • Page 5: Please Note

    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.crownaudio.com email: iqsupport@crownintl.com...

  • Page 6: Table Of Contents

    4.3 Install the Wiring ... 13 4.4 Prepare the Audio System ... 14 4.5 Configure the SLM-8 ... 14 4.6 A Closer Look at Crown Bus Wiring ... 14 4.7 Using an Audio Monitor ... 16 4.8 Using the AUX Connector ... 17 4.8.1 Triggering a Test...

  • Page 7: Welcome

    The SLM-8 is also an IQ2 -compatible component. This means it can be both monitored and controlled by a Crown IQ System . However, with its front-panel pass/ fail indicators and its ability to initiate a test with an external switch, it can also be used in a stand-alone...

  • Page 8: Facilities

    E. Crown Bus Ground Connector A chassis ground stud is provided to connect an op- tional shield for the Crown Bus cable. Only the shield of the input cable should be connected. Shielded wire may reduce the total distance a Crown Bus loop can...

  • Page 9: The Rear Facilities

    IQ–SLM-8 System and Load Monitoring IQ System Component SLMV#.### IQ ADDRESS CROWN BUS 1 2 3 4 5 6 7 8 AC VOLTS: 100-120 AMPS: .25 50-60 Hz + – + – INTERNATIONAL, INC. ® ELECTRONIC EQUIPMENT ELKHART, IN 46517 0000 MADE IN U.S.A.

  • Page 10: Features

    Many of the features of the SLM-8 must be configured with IQ software while the unit is connected to an IQ System . Please consult your Crown representative or Crown’s Technical Support Group if you are unfamiliar with IQ software or IQ Systems . Once the SLM-8 is configured, it can function as a stand-alone device without an IQ System .

  • Page 11: Fused Loudspeaker Monitor

    IQ Sys- tem . The Data indicator can be forced to stay on to serve as a troubleshooting aid for Crown Bus commu- nication. Note: The Data indicator is similar to the DSPI (Data Signal Presence Indicator) LED on other IQ com- ponents.

  • Page 12: Installation

    Crown Bus can have the same address. Suppose, for example, an IQ System has two Crown Bus loops, and this SLM-8 is to be installed into Loop 1 and given an address of 77. No other SLM-8 can be given the same address in Loop 1.

  • Page 13: Install The Wiring

    FCC regulations, an EMI suppression core should be added (Section 4.9). See Section 4.6 if additional Crown Bus wiring instructions are needed. CROWN BUS GROUND (Optional. If used, connect it to the Crown Bus input only.) SLMV#.### CHASSIS GROUND IQ ADDRESS...

  • Page 14: Prepare The Audio System

    SLM-8 , it is a 20 mA current loop operating at a baud rate of 38.4 K. The SLM-8 must be connected to a Crown Bus loop having an IQ2 -compatible interface. The Crown Bus connection can use inexpensive twisted-pair wiring (shielded or unshielded) and it must be unbroken.

  • Page 15: A Screw-Terminal Plug

    However, there are extreme situations when fiber optic wiring is recommended. For example, locating a Crown Bus loop next to an AM radio trans- mission line may require fiber optic cabling. An ex- tremely long Crown Bus loop distance may also require fiber optic cabling.

  • Page 16: Using An Audio Monitor

    Fig. 4.11 Crown Bus Wiring for 4-pin DIN Output Fig. 4.12 Crown Bus Wiring for RJ-45 Output The IQ components in each Crown 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 on as shown in Figure 4.13.

  • Page 17: Using The Aux Connector

    This principal is illustrated in Figure 4.16 below: CIRCUITRY Note: A Crown part number is provided in Figure 4.16 for a suitable solid-state relay (C 8063-3). Contact your local Crown representative or the Crown factory Parts Department (219-294-8200) to order.

  • Page 18: Emi Suppression

    Three cores are provided which are designed to easily snap over the wiring at these locations. The cores are large enough to snap over two cables to accommo- date the Crown Bus and AUX wiring which often use two cables each. 4.10 Synchronous Setup...

  • Page 19: Slm-8 Circuit Block Diagram

    – OUT 8 SINEWAVE SIGNAL GENERATOR Fig. 5.1 SLM-8 Circuit Block Diagram VOLTAGE AND CURRENT DATA ACQUISITION MULTIPLEXER 18 BIT ANALOG TO DIGITAL CONVERTER CROWN BUS INPUT SERIAL RECEIVER DATA INPUT DROP-OUT RELAY CROWN BUS OUTPUT SERIAL DRIVER DATA OUTPUT IQ ADDRESS...

  • Page 20: Technical Information

    SLM- 8 , appropriate action and response is calculated and sent out the Crown Bus loop output via a Crown Bus output driver circuit. Note: The Crown Bus loop input is logically or’d with the output.

  • Page 21: Specifications

    AC mains. A yellow Data LED flashes when data is received from the Crown Bus, or it may be forced on via software con- trol to facilitate rapid troubleshooting of Crown Bus wir- ing.

  • Page 22: Iq Address Tables

    Fig. 7.1 IQ Address Switch Settings from 0 to 125 Page 22 IQ–SLM-8 System and Load Monitoring IQ System Component which are connected to the same Crown Bus loop can have the same address. To use the IQ address tables, simply find the address you want and set the IQ address switch of the SLM-8 as shown.

  • Page 23: Iq Address Switch Settings From 126 To 250

    IQ–SLM-8 System and Load Monitoring IQ System Component IQ Address Switch Address Fig. 7.2 IQ Address Switch Settings from 126 to 250 Reference Manual IQ Address Switch Address IQ Address Switch Address Page 23...

  • Page 24: Service

    Accesso- ries are not needed—do not send the Reference or Owner’s Manual , cables and other hardware. If you have any questions, please call or write the Crown Technical Support Group. Crown Audio Division Technical Support / Factory Service Plant 2 SW, 1718 W.
  • Page 25 IQ–SLM-8 System and Load Monitoring IQ System Component 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: ______________________________________________________________________...

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