Connecting The Ms 400/Ms 400 B - Bosch FAP-DO420 Operation Manual

18 en | Connection
5.3.1

Connecting the MS 400/MS 400 B

Key
ye
wh
rd
bk
gn
c
+V/0 V
MPA/FAA-420-RI
F.01U.003.448 | 8.0 | 2011.10
max. 30 V DC
wh
a1/a2
(LSN -/L..a)
C
Yellow, connection to b1/b2 (LSN +)
White, connection to a1/a2 (LSN -)
Red, connection to +V
Black, connection to 0 V
Green, connection to shielding wire
Indicator output
Terminals for looping through the supply voltage for downstream
elements
Remote indicator
Operation Guide
Automatic Fire Detectors LSN improved
b1
}
b2
bk
ye
ye
rd
gn
bk
max. 3 m
bk rd
+
–
MPA/
FAA-420-RI
version
LSN +/L..b
Bosch Sicherheitssysteme GmbH