Ampac FireFinder II Series Specifications Page 31

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Page 26
FIREFINDER SERIES II INSTALLATION, COMMISSIONING &
OPERATION
5.6 16 Way Input Board
Opto-Inputs: Up to 16 inputs can be connected to the 16 Way Input Board. These inputs are
required to be voltage free contacts as shown below.
1 2
COMCOM
3 4 5 6 7
8 9 10111213
141516
CN1
TB2
TB3
TB4
TB5
TB6
U4
U1
U2
U5 U7
U8
U9
U10
U11
U12
U13
U14
U15
U16U6
U3
TB1
302-6770
AS AN EXAMPLE
INPUTS 1 AND 16 CONNECTED TO
VOLTAGE-FREE CONTACTS
TO CN3 OF
16/16 I/O Board
Figure 25: 16 Way Input Board
5.7 Serial Relay Board
Relay Outputs: Each Serial Relay Board communicates with the Main Controller via the Serial Bus
and is fitted with eight 1A relays fitted with voltage free contacts. A maximum of 8 boards can be
daisy chained together per Controller.
+27VDC
C3
CN4
R3
C1
R2
R1
U4
C4
C2
U1 U2
CN3
CN1
RL1
MOV1
MOV3
MOV17
TB2
TB1
D3
RL8
RL7
RL6
RL5
RL4
RL3
RL2
MOV2
D1 D2 D4 D5 D6 D7
MOV4
MOV5
MOV6
MOV7
MOV8
MOV9
MOV10
MOV11
MOV12
MOV13
MOV14
MOV15
MOV16
D8
CN2
U3
N1236
POWER
N/0 C N/C
O/P 1
N/0 C
O/P 2
N/C N/0 C
O/P 3
N/C N/0 C
O/P 4
N/C N/0 C
O/P 5
N/C N/0 C
O/P 6
N/C N/0 C
O/P 7
N/C N/0 C
O/P 8
N/C
302-732 JAN 02
IN
OUT
C
NCNO
///
C
NCNO
///
C
NCNO
///
C
NCNO
///
C
NCNO
///
C
NCNO
///
C
NCNO
///
C
NCNO
///
To CN3 of
Main Controller,
other Serial Boards,
LED Mimic or
Valve Display
Boards
To CN1 ( IN ) of
next Serial Board
+-
Figure 26: Serial Relay Board
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