Bosch Security Systems | 2003-09 | 9922 141 50502en
Plena Message Manager
| Installation and Operating Manual |
en
| 22
5
Technical data
5.1 Electrical
Mains voltage
230/115 Vac, ±10%, 50/60Hz
Max mains power consumption
50 VA
Max mains inrush current
3 A @ 230 Vac / 6A @ 115 Vac
Battery voltage
24 Vdc, +20%/-10%
Max battery current
1 A
5.2 Messages
Data format
wav
-file, 16 bit PCM, mono
Supported sample rates (fs)
24 kHz, 22.050 kHz, 16 kHz, 12 kHz, 11.025 kHz, 8 kHz
Frequency response
@ fs = 24 kHz
100 Hz - 11 kHz (+1/-3 dB
@ fs = 22.050 kHz
100 Hz - 10 kHz (+1/-3 dB)
@ fs = 16 kHz
100 Hz - 7.3 kHz (+1/-3 dB)
@ fs = 12 kHz
100 Hz - 5.5 kHz (+1/-3 dB)
@ fs = 11.025 kHz
100 Hz - 5 kHz (+1/-3 dB)
@ fs = 8 kHz
100 Hz - 3.6 kHz (+1/-3 dB)
Distortion
< 0.1% @ 1 kHz
S/N (flat at max volume)
> 80 dB
Memory capacity
8.38 MByte EEPROM
Recording/playback time
500 s @ fs = 8 kHz - 167 s @ fs = 24 kHz
Max number of messages
12
Supervision EEPROM
continuous checksum control
Supervision DAC
1 Hz pilot tone
Data retention time
> 10 years
5.3 Inputs
Loopthrough audio input 1 (3-pin XLR, balanced)
Sensitivity
1 V
Impedance
20 kOhm
CMRR
> 25 dB (50 Hz - 20 kHz)
Loopthrough audio input 2 (Cinch, unbalanced)
Sensitivity
1 V
Impedance
20 kOhm
5.4 Outputs
Supervision pilot tone
20 kHz, ±10%, level adjustable
Line output 1 (3-pin XLR, balanced)
Nominal level
1 V, adjustable
Impedance
< 100 Ohm
Line output 2 (Cinch, unbalanced)
Nominal level
1 V, adjustable
Impedance
< 100 Ohm
Technical data