PLENA power amplifiers
External connections | en
15
Bosch Security Systems B.V.
Installation and operation manual
2018.11 | V1.2 | LBB193x/x0
6.6
Priority controlled loudspeaker
Loudspeakers connected to the Priority Only output will receive only audio signals with
priority, like calls from a call station.
Loudspeakers connected to the No Priority output will receive all audio signals, such as music,
but no signals with priority, like calls.
6.7
Power
Use the mains lead to connect the amplifier to the power supply.
100V
0
100V
0
Priority C
ontrolled
Output
24V DC
In
Appara
tus deliv
ered
connect
ored for 2
30V~
Main Pow
er
B attery
t
elays' Outp
ut
NC
Off On
NO C OM
NC NO
C O M NC
100V
0
70V
0
8ohm
100V/70V
Selection
(12A)
PriorityO
nly
0
0
No Priorit
y
Priority
F
7
0
1
F
7
0
2
B atter
y
Power
Detecti
on
23 0V~
240 V~
Rated input
Pow
1
:
r
e
600 VA
100V
70V
0
0
8
Direct O
utput
10 0V
0
1 00V
0
Priority C
ontrolled
O utput
O ff On
24V DC
In
Apparatu
s delivered
connecto
red for 23
0V ~
Main Powe
r
B attery
Input
Fault Relays'
O utput
NO C OM
NC
O ff On
NO C OM
NC NO
C O M NC
Input 1P
riority
Loopthro
ugh 1
Input 2P
rogram
Loopthro
ugh 2
Input 1P
riority
2...24V-
Input 1
0V- Inpu
t 2
Input 2E
nable
2..24V- E
nable
0V- Mute
100V
0
S lave In
put 100V
+
+
-
-
100V
0
70V
0
8ohm
100V/70V
Selection
(12A)
PriorityO
nly
0
0
No Priorit
y
Priority
F7
0
1
F7
0
2
B attery
Power
Detection
Pilot-tone
Detector
230V~
240V~
Design &
Q uality
The Neth
erlands
LBB 1938
/10
NL-4827
HG -10
Plena 480
W Power
Amplifier
Max. outp
ut power
720W
R ated out
put powe
r 180W
230V~,50
/60Hz
S /N.
8900 193
81001
A035413
M
a
d
e
in
C
h
in
a
N663
R ated inpu
t
Power :
1600VA
Input 1
P riority
S lave In
put
100V
Input 2
E nable
100V
0
100V
70V
0
0
8
Direct O
utput
Input
Input
Input 2-P
rogram
Input 1-P
riority
2..24V
Default
O ff
G ND 2..2
4V
Default
O n
G ND
Line fu
se
T10 L25
0V
Figure
6.5: Mains lead
