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PJ10KPS-CA
User & Technical Manual
207
On the machine restarting, if both exciters do not attain the preset power level, the
apparatus airs the one that had been present when the machine was turned off,
after the evaluation time has expired.
8.6.5
Start-up with exciters in automatic mode
The sequence run by the PJ10KPS-CA, when the power supply is activated while
it is already in ON status and the exciters are in automatic mode, is identical to
the one run for switching from OFF to ON. The only difference is that a screenful
displays the countdown for determining the fault of the exciters. During this phase
the manual/automatic button is inhibited and in order to set the exciters to manual
mode you must press the OFF button of the apparatus.
8.6.6
Audio alarm
The control unit of the PJ10KPSCA can manage a fault signal, for each exciter,
which normally has an “Audio Alarm” meaning. The control software of the PJ10KPS-
CA does not intervene in triggering these signals since they must be checked by
the exciters (or by any other connected devices).
The Audio Alarm signals are made up of two inputs for the logical signals on the
parallel interface and on the “mute RF” command connector of the exciters.
The control unit manages these signals just like it manages the power good signals:
•
Each “Audio alarm” signal is associated with its own exciter
• If the audio signal, associated with the exciter that is currently on air, enters an
alarm status, the PJ10KPS-CA waits for the time configured in the exciter menu
before it attempts the restoring operation
• If the audio of the aired exciter is still in alarm status on the elapsing of the
aforesaid time interval, the control unit checks if the audio of the exciter on the
dummy load is regular. In this case the changeover between the exciters is
performed.
Observe the following differences as compared to the case in which power is missing:
•
The management of the “Audio alarm” signals is not active during the start-up
phase and during the switching phase from OFF to ON, but only when the exciters
are working in automatic.
• In the standard configuration, the aforesaid sequence continues until the audio
signal associated with one of the exciters becomes regular again. In the “N+1”
configuration, the switching attempt is performed only twice, after which the
PJ10KPS-CA enters the fault status.
• An Audio Alarm output is provided on the parallel interface: this signal is activated
(with no delays) when the audio of the exciter that is currently on air is in alarm
status.
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