[ IQ Mixer / Multiplexer AMB-5, MPX-6, SMX-6 HARDWARE INSTALLATION MANUAL ©1993 by CROWN INTERNATIONAL, INC. Mailing Address: P.O. Box 1000 Elkhart, IN 46515-1000 Service Department: 1718 W. Mishawaka Rd Plant 2 SW Elkhart, IN 46517 Trademark Notice: AMB-5,™ SMX-6 ,™ MPX-6,™ Distributed Intelligence,™ and Algo™ are trademarks and Crown ,® Amcron,® IQ System,® PCC ® and PZM ® are registered trademarks of Crown International, Inc. All other trademarks are the property of their respective owners.
3 YEAR FULL THREE-YEAR WARRANTY 3 YEAR INTERNATIONAL NORTH AMERICA SUMMARY OF WARRANTY AMCRON, a division of Crown International, Inc., 1718 West Mishawaka Road, Elkhart, Indiana 46517-4095 U.S.A.
The information furnished in 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 you need special assistance, beyond the scope of this manual, please contact our Crown Technical Support Group. Crown Technical Support Group, POB 1000, Elkhart, Indiana 46515-1000 U.S.A.
IQ Mixer / Multiplexer Hardware Installation CONTENTS 1 Welcome ....................................................................... 7 1.1 Options ................................................................. 7 1.2 Unpacking ............................................................. 7 2 Facilities ........................................................................ 8 3 Hardware Installation .................................................. 10 3.1 Connecting to a Host Computer (Step 1) ......
IQ Mixer / Multiplexer Hardware Installation ILLUSTRATIONS 1.1 2.1 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 3.20 3.21 3.22 3.23 3.24 4.1 4.2 6.1 A.1 A.2 Rev. 0 Three Mixer / Multiplexer Models ............................ 6 Front and Rear Panels .............................................. 8 An IQ System with a PC Host Computer, etc. ........ 10 RS232 Cable Wiring for a PC .................................. 11 RS422 Cable Wiring for a Macintosh .............
IQ Mixer / Multiplexer Hardware Installation DSPI ENABLE DSPI ENABLE Fig. 1.1 Three Mixer / Multiplexer Models Page 6 Rev.
IQ Mixer / Multiplexer Hardware Installation 1 Welcome Thank you for purchasing a Crown IQ mixer/multiplexer. IQ mixer/multiplexers are intelligent mixers with special signal routing capabilities. Their intelligence stems from a powerful onboard microprocessor which enables them to be controlled and monitored by a Crown IQ System®. Each input and each output can be individually controlled and, with their distributed intelligence ™ capability, continue to operate even when an IQ System is not connected.
IQ Mixer / Multiplexer Hardware Installation (Front View) 120 VAC 60 Hz AUX CTRL CROWN BUS SERIAL DATA LOOP IN OUT IN + – + – AUDIO OUT 2 AUDIO OUT STACK IN MAIN BUS AUDIO IN -5 STACK IN 1 MAIN 0 BUS 6 -10 -12 – + – ADD 25 5 FOR MIC 10 15 21 AUDIO IN -5 0 5 -10 -12 + – M L P 20 W RS232 / RS422 INPUT GROUND ONLY + – + – + – + ADD 25 5 FOR MIC 10 15 21 AUDIO IN -5 0 4 -10 -12 + – M L P ADD 25 5 FOR MIC 10 15 21 AUDIO IN -5 0 3 -10 -12 + – M L P ADD 25 5
IQ Mixer / Multiplexer Hardware Installation Important: TURN THE UNIT OFF before connecting to the RS232/RS422 (F) or Crown Bus (H) connectors. TURN THE UNIT OFF before changing the settings of the IQ Address (M), Baud Rate & Parity (N) or Communication Standard (O) switches. optional shield for the Crown Bus cable. Only the shield of the input cable should be connected.
IQ Mixer / Multiplexer Hardware Installation ODEP ENABLE ENABLE IOC POWER SPI CH1 CH2 ODEP OFF ENABLE IOC POWER SPI CH1 CH2 ODEP OFF ENABLE IOC POWER SPI CH1 CH2 OFF DSPI ODEP ENABLE ENABLE IOC POWER SPI CH1 CH2 ODEP OFF ENABLE IOC CROWN BUS LOOP 2 DSPI CROWN BUS LOOP 1 RS232 POWER SPI CH1 CH2 ODEP OFF ENABLE IOC POWER SPI CH1 CH2 OFF Fig. 3.
IQ Mixer / Multiplexer Hardware Installation while it is connected to the Crown Bus, skip ahead to Section 3.2. There are two main communication standards supported by the unit for serial communication with a host computer. They are RS232 and RS422. It is also possible to use RS232 to communicate with a Macintosh computer. Here’s how to wire the cable: Macintosh (RS232) 6 7 RS232 is commonly used with IBM PCs and compatibles.
IQ Mixer / Multiplexer Hardware Installation BAUD RATE & PARITY SETTINGS 1 2 3 4 5 6 19200 9600 1 2 4 8 16 32 64 128 IQ ADDRESS BAUD RATE & PARITY COM STANDARD BAUD RATE PARITY RS422 4800 BAUD RATE 2400 1200 RS232 300 OFF 150 1 2 3 4 5 6 7 8 ON 1 2 3 4 5 6 ON MAC PC PARITY OFF ODD EVEN Fig. 3.5 Selecting the Communication Standard and Parameters eters of the mixer/multiplexer and the host computer must be the same. Any mismatch will prevent communication from taking place.
IQ Mixer / Multiplexer Hardware Installation Crown Bus can have the same address. Suppose, for example, an IQ System has two Crown Bus loops as shown in Figure 3.1 and an SMX-6 is installed in loop 1 and given IQ address 77. No other SMX-6 can be given the same address in Crown Bus loop 1. However, an SMX-6 can have the same address if it is installed in loop 2. Different IQ components can have the same address and be in the same Crown Bus loop.
IQ Mixer / Multiplexer Hardware Installation Crown Bus 5-pin DIN Input Crown Bus Barrier Block 1 2 3 4 The Crown Bus connector shown here is the standard connector found on the back panel of most mixers and SLM. 5 1 4 2 Output (–) 2 1 2 3 4 3 The female Crown Bus connector shown here can be found on the back panel of IQ-INT IIs and most IQ-P.I.P.s.
IQ Mixer / Multiplexer Hardware Installation added to the audio lines. Use only the signal lines which normally connect to pins 2 and 3 of the XLRs. Note: Because typical mic cables have high capacitance, the maximum possible Crown Bus loop distance will be less. Outside RF interference is seldom a problem for a Crown Bus loop…especially if shielded twisted-pair wire is used. However, there are extreme situations when fiber optic wiring is recommended.
IQ Mixer / Multiplexer Hardware Installation 0.775 volts). Select the center position (L) for line level signals up to +32 dBu. Slide it to the right (P) to provide 44 VDC to mics requiring phantom power. Each input has a screwdriver-set, calibrated gain control to compensate for different input source levels. The slot on the control shaft points to the gain setting. The settings are labelled for line-level input. Add 25 dB to the scale if the inputs are switched for microphone level signals.
IQ Mixer / Multiplexer Hardware Installation It is also possible to connect more than one ambient sensing microphone to the sense input. This can be accomplished by taking advantage of the manual mixing function of Channel 2. Simply connect each ambient sensing microphone to one of the five regular inputs of the AMB-5 and use the IQ software to assign each of them to Channel 2 only. Switch the sense input to the line-level position (L) and connect the main audio output of Channel 2 to it.
IQ Mixer / Multiplexer Hardware Installation 3.3.4 Stack Inputs The stack in jacks (Figure 3.15) enable the audio inputs to be increased by stacking 2, 3, or more mixer/multiplexers to create a 12x2, 18x2 or wider mixer. Use 2-conductor shielded cable to route the signal from the main output of one unit to the stack input (RCA phono jack) of the second unit. This is shown in Figure 3.19. The stack input routes the signal directly to the output of the second unit.
IQ Mixer / Multiplexer Hardware Installation By using several units and a combination of parallel inputs and stacked outputs, larger mixing configurations (12x8, 24x4, etc.) can be created as shown below: 12 INPUTS MAIN OUT STACK IN maximum of 16 mA. This is shown below in Figure 3.24. Notice in Figure 3.24 that the Aux port also has the capability to receive a signal across pins 2 (+) and 1 (ground). It is a high impedance input and includes a pull-down resistor.
IQ Mixer / Multiplexer Hardware Installation 4 Options There are two optional uses for mixer serial ports. The first is direct RS232/RS422 communication with the unit where the unit is its own interface and interface for any connected components. The second, called Crown Local Net, applies only to SMX-6 mixers. 4.1 A 1-Loop IQ Interface The serial port allows any of the mixer models to serve a an IQ interface between a host computer and a single Crown Bus loop.
IQ Mixer / Multiplexer Hardware Installation SMX-6 #1 SMX-6 #2 SMX-6 #3 Pin 2 Pin 2 Pin 2 3 3 3 7 (Optional) 7 (Optional) 7 9 9 9 10 10 10 (Optional) Pin 2 Serial In (–) Pin 3 Serial Out (–) Pin 7 GND (Optional) Pin 9 Serial Out (+) Pin 10 Serial In (+) (All other pins are not used.) Fig. 4.2 Crown Local Net Wiring Rev.
IQ Mixer / Multiplexer Hardware Installation 5 Service Your unit has very sophisticated circuitry which should only be serviced by a fully trained technician. This is one reason why each unit bears the following label: CAUTION: TO PREVENT ELECTRIC SHOCK DO NOT OPEN. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO A QUALIFIED TECHNICIAN. 5.1 International Service Service may be obtained from an authorized Importer Service Center.
IQ Mixer / Multiplexer Hardware Installation 6 Technical Information The IQ System was developed to provide a way to both monitor and control complete sound systems during operation. The system began with amplifier control using plug-in IQ-P.I.P. modules in each amplifier and an IQ-INT to connect the system to a host computer. The next major advance was the MPX-6, the first intelligent mixer/multiplexer able to mix and route audio inputs under computer control.
IQ Mixer / Multiplexer Hardware Installation 6.2.3 D/A Converter To set channel gain levels, a digital-to-analog converter continuously converts all gain settings to control voltages. An analog demultiplexer sends the appropriate control voltages to each of the twelve VCAs. 6.2.4 Log Amp and A/D Converter The A/D converter scans through an eight-channel multiplexer to read the input and output signal levels.
IQ Mixer / Multiplexer Hardware Installation SUMMING SUMMING MIX BUS 1 MIX BUS 2 M/L/P SWITCH P = +25dB/+44VDC M = +25dB L = 0 dB *INPUT SENSOR INPUT 1 TO CPU VCA 1-2 GAIN POT (-12 to +21dB) P = +25dB/+44VDC M = +25dB L = 0 dB *INPUT SENSOR FROM CPU TO CPU VCA 2-2 GAIN POT (-12 to +21dB) P = +25dB/+44VDC M = +25dB L = 0 dB *INPUT SENSOR FROM CPU TO CPU BALANCED BUCHANAN CONNECTOR P = +25dB/+44VDC M = +25dB L = 0 dB *INPUT SENSOR VCA 4-1 TO CPU P = +25dB/+44VDC M = +25dB L = 0 dB *INPUT SENSOR
IQ Mixer / Multiplexer Hardware Installation 7 Specifications 7.1 General Protection: Audio outputs can be shorted indefinitely without causing damage. If communication is lost, the unit will continue functioning as programmed. If power is interrupted, the unit will function as programmed before the AC failure after the power is restored. Controls: DIP switches and a slide switch are accessible from the right side of the unit for setting the communication format, baud rate, parity and Crown Bus address.
IQ Mixer / Multiplexer Hardware Installation Appendix A This Appendix contains look-up tables for every valid IQ address. The valid address are 1 to 250. Do not use an address number higher than 250! Addresses above 250 are reserved for special system use.
IQ Mixer / Multiplexer Hardware Installation IQ Address Switch IQ Address 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 1 2 3 4 5 6 7 IQ Address Switch IQ 8 OFF ON ON ON ON ON ON OFF ON ON ON ON ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF ON ON OFF OFF OFF OFF OFF OFF ON OFF ON OFF OFF OFF OFF OFF ON ON ON OFF OFF OFF OFF OFF ON OFF OFF ON OFF OFF OFF OFF ON ON OFF ON OFF OFF OF
