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2018-08-01
4.4 Connect slave unit to slave unit
G
G0
FDS-S
A
B
G
G0
FDS-S
A
B
1
2
FDS-S
4
5
3
6
8
7
1
2
Fire damper
S1
S6
S2
S4
3.5
3.6
1
2
FDS-S
4
5
3
6
8
7
Smoke detector
L1out
L1in
L2
3.7
2,2 k
Ω
Ceiling smoke detector
1
2
FDS-S
4
5
3
6
8
7
Smoke detector
5
3
4
2,2 k
Ω
Duct smoke detector
1
2
Commutication (2 input)
230 V
230 V
24 V (2 input)
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.
RS485
A
B
N
A
B
A
B
FDS-S
G G0
230 VAC
24 VAC
230 V
A
B
FDS-S
G G0
T
R
A
F
O x
x
FDS-M
A
B
FDS-S
G G0
230 VAC
24 VAC
230 V
T
R
A
F
O x
x
A
B
FDS-S
G G0
230 V
FDS-R
R
S
48
5
D
at
a
- +
R
S
48
5
D
at
a
- +
A
B
A
B
A
B
FDS-S
G G0
A
B
FDS-S
G G0
230 VAC
24 VAC
230 V
T
R
A
F
O x
x
Max 300m
Max 300m
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.
