Bosch PRAESENSA PRA-SCL Configuration Manual page 45

Public address and voice alarm system
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PRAESENSA
Virtual control inputs
Virtual control inputs (VCI's) are control inputs that can be activated from the Open Interface,
to accommodate external applications via a simple interface. These Virtual control inputs do
not exist as hardware inputs, but behave in a similar way. They can be activated and
deactivated by Open Interface messages, causing the associated call definition to be started
and stopped. In this way the external application does not need to be configured for all
parameters of an announcement because the configuration has already been done as part of
the call definition.
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Introduction to virtual audio inputs/outputs (Dante/AES67)
The following two chapters describe the mapping of theVirtual audio inputs/outputs (Dante/
AES67) and Unencrypted virtual audio inputs (Dante/AES67).
Bosch Security Systems B.V.
A virtual control input (VCI) can added (or deleted) here.
To do so:
Enter a VCI name in the Add text field:
Its name can be freely chosen with a minimum of 1 and a maximum of 32 characters,
but must be unique within the set of VCIs.
Click the Add button:
The number of virtual control inputs that can be assigned to a system controller is
more than 100, but values more than 100 are not recommended because it slows
down the performance of the configuration web pages.
A VCI is enabled by default.
Enable (checkmark) or disable the Add checkbox.
Enable makes the VCI available to be used in the system.
Select the Function:
Make announcement: which activates and deactivates an announcement, or select:
Make phased announcement (an announcement): With this behavior several VCIs
can use the same call definition to contribute (add/remove) zones to an existing
announcement, not restricted by the maximum number of simultaneous
announcements.
Repeat the previous steps to add a new VCI.
To delete a VCI, click the Delete button:
A warning message will appear > Click the OK or Cancel button.
Click the Submit button to store the settings:
Notice that you always have to Save the configuration. See Save configuration, page
102
In total 128 audio channels can be routed by the PRAESENSA system controller:
The audio channels 01 up to 08 are for PRAESENSA internal use only.
The audio channels 09 up to16 are encrypted and switchable between audio input or
audio output for e.g. Dante/AES67.
The audio channels 17 up to 128 are unencrypted audio inputs for e.g. Dante/AES67.
The inputs 09-128 can be mapped on Dante/AES67 audio channels. In this way you can,
rd
for example, use a 3
party Dante/AES67 audio source device (e.g. BGM) as input for the
PRAESENSA system.
Dante/AES67 audio channels are default not connected to the PRAESENSA network, have
a static routing, are not encrypted but can route on the same PRAESENSA OMNEO
network.
The audio channel mapping can be done by using i.e. Dante Controller. See Optional:
Install Dante Controller, page 27 .
Configuration manual
Configure the system | en
2020-09 | V1.20 | PRAESENSA 1.20
45

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