
Voice Alarm Controller
The Voice Alarm Controller is the heart of the Plena Voice Alarm System. The voice alarm
controller distributes emergency calls, business calls as well as background music (BGM) to
up to 6 loudspeaker zones.
Figure 3.1: Voice Alarm Controller
Notice!
When the voice alarm controller has been purchased in the Asian-Pacific Region, the
emergency button has a different cover.
Hand-held microphone
The voice alarm controller is equipped with a hand-held microphone, which can be used to
make emergency calls.
Internal power amplifier
The voice alarm controller has a 240 W internal power amplifier, which can be used in
1‑channel or 2‑channel mode. In the 1‑channel mode, all calls and BGM are amplified by the
internal power amplifier. If desired, an external power amplifier can be connected for spare
switching. In the 2‑channel mode, the BGM is amplified by the internal power amplifier,
whereas the calls are amplified by an external power amplifier.
Internal message manager
The voice alarm controller has an internal message manager, which maps wave files (.wav) to
messages that can be played by the Plena Voice Alarm System.
Supervision
All necessary supervision features for compliance to evacuation standards are integrated into
the voice alarm controller. If supervision is enabled and a fault is detected, the voice alarm
controller lights a LED on its front panel that indicates the cause of the fault.
Trigger inputs
The voice alarm controller has a terminal block to which 6 emergency (EMG) and 6 business
trigger inputs can be connected. Third party systems can use the trigger inputs to start
emergency and business calls in the Plena Voice Alarm System.
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
Plena
System overview | en
13
Bosch Security Systems B.V.
Installation and Operation manual
2013.07 | V2.0 |
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