10
A100K11209 v.1.3
VSS-V2 Technical Manual
3 Functions
3.1 Electrical
3.1.1 Power requirements
The unit shall be powered from 24 VDC +30% / -10%. The master panel
will provide power to the microphone unit and slave panels.
Type
Minimum
Nominal
Maximum
Unit
Voltage Supply
21.6
24
31.2
VDC
Current Load
- Master & Mic
-
190
200
mA
Current Load
including
1 Slave
-
260
270
mA
3.1.2 Relay outputs
The following outputs are provided:
●
One relay output per microphone.
-Activated simultaneously with the diodes on the panel.
-NC logic.
-Possibility for power out 24VDC.
●
One system status relay.
-Normally closed when system is fully operational.
3.2 Mute Input Typhoon/Foghorn
This mute input will be connected to the ship’s typhoon/foghorn in order
to hinder the typhoon/foghorn from being sounded on the speaker and
trigger LEDs.
3.3 Mute Input Public Address
This mute input will disconnect the VSS microphones when public
address messages are broadcasted.
3.4 Audio Interface
This is an external audio interface. It is possible to adjust audio volume
by a potentiometer.
Zenitel has experienced that certain types of ships have a too high
ambient noise level in the area where the microphone unit is installed.
This means that installing the microphone in such an area will degrade
the performance of the system.
Zenitel therefore highly recommends performing noise measurements
before the installation to make sure the ambient noise level does not
exceed 70dB in the area where the microphone is to be mounted.
Summary of Contents for FA-150
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Page 190: ...TECHNICAL MANUAL A100K11209 v 1 3 Sound Reception System VSS V2 Installation User Manual ...
Page 204: ...15 VSS V2 Technical Manual A100K11209 v 1 3 4 7 Cable Connection Diagram ...
Page 206: ...17 VSS V2 Technical Manual A100K11209 v 1 3 5 2 VSS V2 Master Panel Dimensions in mm ...
Page 207: ...18 A100K11209 v 1 3 VSS V2 Technical Manual 5 3 VSS V2 Slave Panel Dimensions in mm ...