Technical data
Table Of Contents
- Table of Contents
- 1 Product Description
- 2 System Overview
- 3 Planning
- 4 Programming
- 5 Connection
- 6 Accessories
- 7 Order Information
- 8 Maintenance and Service
- 9 Technical Data
- A Abbreviations
Automatic Fire Detectors LSN improved
version
Connection | en 17
Bosch Sicherheitssysteme GmbH Product Information F.01U.003.449 | 7.2 | 2010.05
5.3.2 Connecting the FAA-MSR 420
Maximum contact load (resistive load) of the change-over contact relay:
– 62.5 VA: 0.5 A at 125 V AC
– 30 W: 1 A at 30 V DC
Key
1 Yellow, connection to b1/b2 (LSN +)
2 White, connection to a1/a2 (LSN -)
3 MPA/FAA-420-RI: Red, connection to b1
4 MPA/FAA-420-RI: Black, connection to c (indicator output)
5 Green, connection to shield wire
NC/C/NO Change-over contact relay
+V/0 V Terminals for looping through the supply voltage for downstream
elements
EOL Line termination (end-of-line module)
MPA/FAA-420-RI remote indicator
NONC C
2
1
1
4
5
3
MPA /
FAA-420-RI
max. 3 m
c