21
OUTPUT 2
OUTPUT 3 OUTPUT 4
VPS-250-E
FUSE
BOARD
+
V
0V
POWER SUPPLY PCB
+
V
0V
OUTPUT
FAULT RELAY
0V
+
V
0V
+
V
C
NO
NC
OUTPUT 1
DETECTOR
I/O BOARD
1
+
24V
CN1
C
N
3
2
-
0V
A
U
X
CN7
-
1
C
O
M
CN2
VBAT
1
+
2
F
I
R
E
N
C
2
R
E
S
E
T
+
-
1
2
C
O
M
N
O
3
2
4
RS232
1
N
C
5
2
N
O
6
-
SHIELD
3
C
N
5
1
FI
R
E
C
7
+
A
C
T
I
O
N
N
C
8
N
O
9
C
O
M
10
A
L
E
R
T
N
C
11
N
O
12
C
O
M
13
F
A
U
L
T
N
C
14
RELAY
OUTPUT
N
O
15
FAULT
Figure B-2: Fault relay - Normally Open
Summary of Contents for IFT-P
Page 1: ...ASPIRATING SMOKE DETECTOR 1 ZONE 2 CHANNELS ART IFT P...
Page 2: ......
Page 4: ...4...
Page 11: ...11...
Page 20: ...20 Figure B 1 Fault relay Normally Closed...
Page 22: ......