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EN54 FIREFINDER PLUS INSTALLATION,COMMISSIONING & OPERATION
12.3 Expansion Board
The Expansion Connection Board (BRD86FEPB) is used to increase the capacity of the controller
from 4 Slave CPU’s to 8 allowing Loops 5 – 8 to be configured. Connection from the Controller to the
Expansion Board, which must be mounted within 200mm of the Controller, is made via a 20 way flat
cable Slave CPU number 5 is an integral part of the Expansion Board, only Slave CPU’s 6, 7 and 8
are plug ins.
Connections
26/03/08
7
6
8
COMMS
DEBUG
JTAG
BRD86FEPB2-
Q2
R26
D3
CN7
N1236
C7
CN5
U2 U1
CN1
C3
U3
C4
CN2
CN3
CN4
X1
U10
U9
U4
U6
U7
U8
TP1
TP4
TP3
TP5
TP2
RN1
R24
R12
R10
R2
R5
R11
R13
R9
R7
R8
R23
R14
R1
R4
Q1
LK1
U5
D1
CN6
C12
C35
C40
C27
C33
C39
C9
C32
C8
C31
C38
C5
C18
C17
C16
C11
C37
C15
C10
C14
C34
C13
C36
C1
R6
R25
D2
C2
C41
Figure 75: Board Overlay
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