Ampcontrol VAA, User Manual

Page: 31 / 81

VOICECOM USER MANUAL ISSUE 4
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VCA Configuration – Level 6
This is the final level of the VCA menu structure. All the user configurable system and line specific settings are found
on this level. Most of these are set during commissioning. Refer to Appendix A for VoiceCom system commissioning
recommendations. The configuration settings in page order are shown in the table below:
Setting Values Description
Voice Message
Mode
1.
[DI 1-12 + Mbus 13+]
2.
[DI 1-8 msg 1-255]
3.
[ Modbus 1-255]
This is the voice message initiation mode
setting and depends on how the system was
installed.
1. The first 12 messages are initiated
directly by asserting digital inputs 1
to 12 and messages 13 to 255 are
initiated via Modbus.
2. All 255 messages are initiated by
setting the message address in
binary via digital inputs 1 to 8 and
asserting digital input 9 as the
strobe.
3. All 255 messages are initiated via
Modbus
Voice Message
Playback Volume
[ 1]
to
[10]
This is the master voice message playback
volume, where 1 is low and 10 is high.
Setting the volume too high may cause the
voice messages to sound distorted.
VAA Digital Coms
– Turn off with
Audio
[yes]
or
[ no]
When set to yes the VoiceCom
communication line digital protocol is
inhibited while audio is detected on the line.
The level of audio needed to turn off the
digital protocol depends on the Audio
Threshold setting. Set this to yes if digital
noise can be heard while messages are
played or during VAA to VAA
communication.
VAA Digital Coms –
Turn off Threshold
[ 0]
to
[ 7]
This is the level of audio that needs to be
detected by the VCA in order for the digital
communication protocol to be inhibited.
Setting this to 0 means that only a small
audio signal will turn off the digital protocol.
Setting this to 7 will mean that a loud audio
signal is required to turn off the digital
protocol.
Line 1 : # of VAA’s
to be online
[ 1]
to
[31]
or
[None]
This is the number of VAA’s that are
connected to the LINE 1. This is the number
of VAAs that the VCA should be able to
communicate with. If no VAAs are
connected, then this is set to None.
Line 1
ServiceFactor #
VAA’s offline
[0]
to
[5]
This is the maximum number of VAAs on
LINE 1 that can fail to sound a pre-start
alarm and still allow the pre-start to be
successful. A successful pre-start alarm will