User manual ELECTRO-VOICE 651
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Manual abstract: user guide ELECTRO-VOICE 651
Detailed instructions for use are in the User's Guide.
[. . . ] Replacing special components that are marked in the circuit diagram using the security symbol (Note) is only permissible when using original parts. Altering the circuitry without prior consent or advice is not legitimate. Any work security regulations that are applicable at the location where the appliance is being serviced have to be strictly obeyed. All instructions concerning the handling of MOS - circuits have to be observed.
SAFETY COMPONENT (HAS TO BE REPLACED WITH ORIGINAL PART ONLY)
1. ) 2. ) 3. ) 4. ) 5. ) 6. ) 7. ) 8. ) 9. ) 10. )
covered mains switch mains LED-indicator (off, when the mains switch is not engaged) battery LED-indicator (off, when the mains switch is not engaged) mains input connector mains fuse (input connector) mains output connector mains fuse (output connector) ground-lift switch DC-output via flat-connector: +24 V / 4 A (DPP4004) or +24 V / 12 A (DPP4012) direct / GROUND remote control connector for pin-assignment refer to diagram 1
11a. ) battery fuse input negative pole 11b. ) battery fuse input positive pole 12. ) 13. ) 14. ) 15. ) 16. ) 17. ) 18. ) battery flat-connector input negative pole battery flat-connector input +24 VDC DC-output via flat-connector: +24 V / 4 A (DPP4004) or +24 V / 12 A (DPP4012) switched DC-output via flat-connector negative pole DC-output via flat-connector for the PROMATRIX SYSTEM; persistent power supply ventilation louvres airflow in ventilation louvres airflow out
1. [. . . ] With the mains switch being engaged, the internal 24 V power supply is provided with mains voltage. At the same time, the mains output connector on the rear of the appliance gets mains supply (max. 1 A), allowing the connection of external low-level power consumers (tape decks, etc. ). With the mains switch being engaged and when the appliance is correctly connected and the mains is present, the MAINS-LED will light. Correspondingly, the BATTERY-LED is lit when a battery power source providing 24 V is correctly connected to the BATTERY IN connectors (12) and (13) and with the mains switch being engaged. The output voltage of the internal power supply is present at the DIRECT OUT (9) connector. With the 651 this connector's maximum power handling capacity is 4 A; the DPP 4012 provides 12 A. The output offers internal short-circuit protection and it can be operated without load. It also serves to use the appliance as plain power supply without battery supply and without remote control. The output SWITCHED OUT (16) is meant for the connection of the DPM 4000 or other external devices that need non-interrupted emergency power supply. With the 651 this connector's maximum power handling capacity is 4 A; the DPP 4012 provides 12 A. This output can be used to switch remotely controllable power amplifiers of the PROMATRIX and the DEM Series to mains supply. The control output (pin 5) BATTERY REMOTE ON on the REMOTE socket (10) carries ground potential when the output MODULES OUT (14) is switched on and with the mains supply being unstable. This output can be used to switch remotely controllable power amplifiers of the PROMATRIX and the DEM Series to battery supply. The control output (pin 6) POWER FAIL OUT on the REMOTE socket (10) signals the loss of the mains supply (main under voltage, mains failure, temperature overload with insufficient output voltage of the switch-mode power supply). An output voltage of +24 V indicates that the mains supply is present and stable. It is meant for the connection of the DPM 4000, indicating mains failure conditions. The control output (pin 7) DELAY OUT on the REMOTE socket (10) is switched to +24 V with a delay of approximately 6 seconds after activating the output MODULES OUT. This function can be used to signal that the installation is ready for operation, after booting the system. In installations incorporating DEM-modules, the output provides the "release" function.
Procedures with occurring mains failure In a standard application with mains and emergency battery supply, the outputs SWITCHED OUT and MODULES OUT are switched to battery supply when a mains failure occurs. Despite, POWER FAIL OUT signals the loss of mains power and the connected power amplifiers are switched from mains supply to battery supply via the outputs MAINS REMOTE ON and BATTERY REMOTE ON. When the mains returns, these functions are reversed after a delay of approximately 600 ms. [. . . ] ON function of the supply output for the modules MODULE OUT through permanent contact to the negative potential. Only functions when pin 10 carries an analogous supply voltage; can be used to remotely switch the PA-system via the PROMATRIX System ON/OFF. Negative potential for the inputs 1 and 2; in case the internal supply voltage is utilized for the remote control. Control output for power amplifiers of the PROMATRIX SYSTEM without network operation and for power amplifiers of the DEM System; signals the switching-on command of the mains supply via contact to the ground potential.
2 ON/OFF (MODULES) INPUT
3 GND 4 MAINS REMOTE ON OUTPUT
5 BATTERY REMOTE ON OUTPUT Control output for power amplifiers of the PROMATRIX SYSTEM without network operation and for power amplifiers of the DEM System; signals the switching-on command of the battery supply via contact to the ground potential. [. . . ]
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