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Fault Output; Line Output; Power Supply - Bosch PLN-1LA10 Installation And User Instructions Manual

Security systems plena loop amplifier
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Plena Loop Amplifier | Installation and User Instructions | External Connections
4.4

Fault output

With the fault output (refer to figure 4.5), you can send
the condition of the loop amplifier to external devices
(for example, sounders).
PLN-1LA10
Loop Amplifier
Master In
VU LED
PRE Amp. POST Amp.
Metal loss
Master Slave
compensation
AGC
Limiter
5K 10K
figure 4.5: Fault output, relay
The fault output is an internal relay. By default, NC is
connected to COM. When a supervised function of the
loop amplifier fails, the relay connects NO to COM.
table 4.4: Fault output, details
Number of connections:
1x screw terminal
Location:
Rear side
Contacts:
Voltage-free, max. 100 V, 2 A
Signal-to-noise ratio:
63 dB @ max. volume
75 dB @ min. volume/mute
Headroom:
25 dB
Bosch Security Systems | 2005-05 | 9922 141 50672en
Line Out
115V
Fault
Slave Out
Apparatus delivered
Connected for 230V
90º
Supervision
NO
C
NC
On
Off
Priority input
1
2
Line fuse: 230V 3A
115V 6A
Loop
Out
Com
Phantom
Phantom
100V 0
Vox
Mix
On
Off
Mic
Line
On
Off
Mic
Line
Fault
NO
C
NC
NC
COM
NO
4.5

Line output

You can connect a recording device (for example, a
tape deck) to the line output of the loop amplifier (refer
to figure 4.6).
230V
figure 4.6: Line output, connection
table 4.5: Line output, details
Number of connections:
1x XLR plug
Location:
Rear side
Nominal level:
1 V
Impedance:
200 Ω
4.6

Power supply

To connect the loop amplifier to a mains power supply
do as follows:
1 Set the voltage selector on the rear of the loop
amplifier to the correct position (refer to table 4.6).
table 4.6: Voltage selector
Power supply voltage
100 to 120 V(AC)
220 to 240 V(AC)
Note
The PLN-1LA10 Loop Amplifier is delivered with
the voltage selector in the 230 position.
PLN-1LA10
Loop Amplifier
Mast er
In
Slave
Line Out
Out
Maste
r in
comp
Metal
loss
Slave
out
90º
ensat
ion
Fault
Prior ity
input
Supe
1
1
rvisio
n
AGC
NO
C
115V
Limite
NC
230V
r
5K 10K
On
2
2
Off
Appa
Conn
ratus
deliv ered
ected
for 230V
100V
0
Phanto
m
Vox
Mix
Line fuse:
230V
On
Phanto
115V
3A
Off
Mic
m
6A
Line
Loop
Out
Com
On
Off
Mic
Line
L in e O
u t
9 0 º
F a u lt
1
1
N O
C
N C
Voltage selector
115
230
en | 23

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