Bosch LBB 1920, Инструкция по установке и эксплуатации

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Bosch Security Systems | 2006-11 | 9922 141 50751en
Plena Power Amplifier | Installation and User Instructions | Amplifiers en | 12
3.4 Installation
The power amplifier is suitable for table-top and 19-inch
rack-mounting installation. Two brackets for rack-
mounting are supplied. See figure 3.5 for installation
details.
The power amplifier has an internal fan regulated to
keep the temperature inside the unit within the safe
operating condition.
3.5 External connections
3.5.1 Connect the back-up power
supply
The power amplifier has a 24 Vdc input (8) screw
terminal to connect a back-up power supply. You must
connect an earth (9) to the unit to increase the electrical
stability of the system.
figure 3.5: Brackets for rack-mounting
0 dB
-6 dB
-20 dB
Plena
Booster Amp
lifier
figure 3.6: Back-up power supply
100V
0
100V
0
Priority C
ontrolled
Output
24V DC
In
Appara
tus delive
red
connectore
d for 230V
~
Main Pow
er
Battery
t
elays' Output
NC
Off On
NO COM
NC NO
COM NC
100V
0
70V
0
8ohm
100V/70V
Selection(1
2A)
PriorityOnl
y 0
0
No Priority
Priority
F7
0
1
F
702
Batter
y
Power
Detec
tion
230V~
240V~
Rated inpu
t
Power :
1600VA
100V
70V
0
0
8
Direct Out
put
100V
0 1 00V
0
Priority C
ontrolled
Output
Off On
24V DC
In
Apparatus
delivered connecto red for 23
0V~
Main Powe
r
Battery
Input
Fault Relays'
Output
NO COM NC
Off On
NO COM
NC NO COM NC
Input1Prio rity
Loopthrou gh 1
Input2Pro gram
Loopthrou gh 2
Input1Prio rity
2...24V- In put 1 0V- Input2
Input 2En
able 2..24V- En able 0V- Mute
100V
0
Slave Inpu
t 100V
+
+
-
-
100V
0
70V
0
8ohm
100V/70V Selection(1
2A)
PriorityOnly 0
0 No Priority
Priority
F 7 0
1
F 7
0 2
Battery
Power
Detection
Pilot-tone
Detector
230V~
240V~
Design &
Quality The Nethe rlands
LBB 1938 /10
NL-4827H G-10
Plena 480W Power Am
plifier
Max. outp
ut power 720W Rated out put powe
r 180W 230V~,50 /60Hz S/N.
8900 193 81001
A035413
M
a d e
in C h
in a
N663
Rated inpu
t
Power : 1600VA
Input 1
Priority Slave Inpu
t 100V
Input 2
Enable
100V
0
100V
70V 0
0
8
Direct Outpu
t
Input
Input
Input 2-Pro
gram
Input 1-Pr
iority
2..24V
Default O
ff
GND 2..24
V Default O
n
GND
12 VD
C
12 VD
C
-
+
-
+
9
8