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Bosch Security Systems | 2011-02
Praesideo 3.5 | Installation and User Instructions | 4 | Amplifiers en | 195
For example, the ID selectors in figure 12.8 show
address 2C.
Make sure that the maximum number of EOL and
Loudspeaker Supervision boards is not exceeded.
• PRS-1P500 can have a maximum of 80 boards, of
which 16 can be LBB4443/00 EOL boards or
LBB4441/00 with line supervision enabled.
• PRS-2P250 can have a maximum of 40 boards per
channel, of which 16 can be LBB4443/00 EOL
boards or LBB4441/00 with line supervision
enabled.
• PRS-4P125 can have a maximum of 20 boards per
channel, of which 16 can be LBB4443/00 EOL
boards or LBB4441/00 with line supervision
enabled.
• The multi channel interface can have up to 16
supervision boards connected to each basic amplifier
channel of the multi channel interface. The
maximum number of boards in total across all
channels is 80, of which 64 can be LBB4443/00 EOL
boards or LBB4441/00 with line supervision
enabled. Do not to exceed the maximum number of
supervision boards related to the maximum output
power of the amplifier channel; see section 12.6.5.
12.5 Technical data supervision
control board
12.5.1 Physical characteristics
12.5.2 Climate conditions
12.5.3 EMC and Safety
12.5.4 Mean time between failure
figure 12.8: ID selectors
Note
The number of EOL supervision boards are
limited to 16 per channel as the boards are
polled more frequently than the loudspeaker
supervision boards to comply to the standards
for emergency sound systems.
2E
6A
8
S701 S700
C4
2E
6A
8
C4
Dimensions (H x W x D):
60 x 50 x 17 mm
Weight:
30 g
Connection:
20 pole flatband cable and connector
Installation:
Plastic brackets for horizontal or vertical installation
are delivered with the amplifier.
Temp era tur e:
-5 to 55 °C (operating)
-20 to 70 °C (non-operating)
Relative humidity:
15 to 90%, non-condensing (operating)
5 to 95%, non-condensing (non-operating)
Air pressure:
600 to 1100 hPa
Electromagnetic compatibility:
E N55103-1/ FCC -47 part 15B
E N55103-2
EN50121-4
EN50130-4
Electrical safety:
IEC60065 (CB-scheme)
EN60065
Approvals:
CE marking
EN60849, EN54-16 and ISO7240-16
IEC60945
MTBF:
50,000 hours at +55 °C
(The MTBF doubles for every 10 °C decrease in
temperature.)