Federal Signal Corporation ultravoice UV, Installation, Operation And Service Manual

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44
Specifications
UltraVoice (UV)
Specifications
Batteries (user supplied)
Battery Voltage at 72°F 27.2 Vdc nominal
Refer to Federal Signal Website (http://www.alertnotification.net/) for current
recommended batteries. Use of batteries other than those specified may degrade the
operation of this product and void the warranty. Batteries are user supplied.
Relay Output (JP11)
Contact Rating 30 Vdc, 15A
Table 19 600 ohm Balanced Line Port
Audio Input Level 0.10 to 2 V
P-P
to make 1 V
P-P
at TP10
Audio Output Level 0.25 to 2.0 V
P-P
Table 20 Remote Activation, Sensor, and Direction Inputs
Number of Remote Activation Inputs
8
Number of Remote Sensor Inputs 4
Number of Direction Sense Inputs 4
Input Type Optically Isolated activated by Dry Contact
closure < 2 kΩ
Table 21 Audio Power Amplifier Modules Model (UV400)
Input voltage 24 Vdc nominal
28 Vdc maximum
Input current siren mode At 24 Vdc with 1 kHz squarewave into 11 ohm:
< 20 A
Input current voice mode At 24 Vdc with 1 kHz tone set to 67 V
RMS
into 11
ohm: < 24 A
Standby current with amplifiers turned
off
< 10 mA
Efficiency > 90%
—
siren mode
> 80%
—
voice mode
Output voltage into 11 ohm at 1 kHz
and 24 Vdc nominal operating voltage
67 V
RMS
nominal at 400 W
—
siren mode
67 V
RMS
nominal at 400 W
—
voice mode
Input impedance 100 k ohm
A to D sensor accuracy < +/- 10%
Audio distortion < 10% - voice mode—below clipping
Frequency response +/- 3 dB, 300 to 3000 Hz
Power low power mode < 5 W per amplifier
Ripple on power supply with all
amplifiers running at rated power in
siren mode
0.5 V
P-P
maximum