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

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
0º 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
0º
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
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