Connect Slave Unit To Slave Unit - Lindab FDS-M User Manual

4.4 Connect slave unit to slave unit

230 V
Commutication (2 input)
FDS-S
G
FDS-S
G
FDS-S
1
ATTENTION!
The 2-wire shielded twisted pair RS485 cable needs to be connected to G0 in FDS-S every first slave after the transformer
as displayed in below wired scheme.
230 V
Fire damper
1
230 VAC
24 VAC
FDS-M
A
B
G G0 A B
FDS-S
Ceiling smoke detector
12
FDS-S
1 2
24 V (2 input)
G0 A B
G0 A B
2 3 4 5 6
230 V
2 S2 S1 S6 S4
230 VAC
24 VAC
G G0 A B G G0 A
FDS-S FDS-S
2018-08-01
3 4 5 6
230 V
NOTE
For RS485 connection (A and B), it is recommended to
use RS485 standard cable, 2-wire shielded twisted
pair. Please see next page for cable cross section
suggestion. Installer should always verify according to
actual installation environment.
7 8
Max 300m
A
B
B G G0 A B
FDS-S
7 8
230 V
230 V
230 VAC
24 VAC
A
B
FDS-R
G G0 A B
FDS-S
Duct smoke detect
FDS-S
1
Max 300m
G G0 A B
FDS-S
2 3 4 5