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DS9431Multiplex Expansion Module
Power
Alarm
1
2
3
4 5 6
7 8 9
*
0
#
C lear
Prog
Cmnd
I/O Module for the
DS9431 Multiplex
Expansion Module
Figure 5: 4-Wire Smoke Detector Wiring for the DS7432 and DS9400 Series FACP
For UL Listed fire installations, Normally Open (N/O) contacts must be used.
© Bosch Security Systems B.V., 2020
Torenallee 49 5617 BA, Eindhoven, Netherlands
All manuals and user guides at all-guides.com
DS9400 FACP
SMK+
Trouble
SMK-
Silenced
AUX+
AUX-
4-
L+
3-
Drill
2-
Silence
L+
Disable
1-
Test
Reset
History
12V Power (-)
12V Power (+)
Bus + and Bus - are connected to
MUX A terminals for addresses 9 -
128. MUX B terminals are for
addresses 129 - 255.
Power + may be connected to RA or RB
on the FACP Option Bus terminal strip.
Power - may be connected to BA or BB on
the FACP Option Bus.
DS7432 Eight Input Remote Module
+ –
+ –
1
2 3
POWER
BUS
Bus (+)
EOL
Resistor
P/N: 28010
NFPA 72 does not allow redundant/duplicate
ground paths, do not connect wiring to the
BUS (-) terminal on this module for fire
applications. Only the BUS (+) needs to be
connected.
24V Smoke Power (+)
24V Smoke Power (-)
4 5
6 7
8
Example:
Smoke
DS250 in a MB4W base
Detector
Smoke
Detector
EOL
Example: EOL200
Relay
2020.05
DS7432 Installation manual
P/N: F01U262013-02
Page 4
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