Specifications
Page 72
FIREFINDER SERIES II INSTALLATION, COMMISSIONING &
OPERATION
13.3 High Level Interface Expander (BRD43SPB)
Hardware
The High Level Interface Expander consists of a serial port under the control of a microcontroller.
Communications between the FACP and this board is via the RS485 control bus with each board
having a dedicated link and selectable 4 bit address.
JTAG
LSB
12/10/2009
BRD43SPB4-
FACP
COMMS
EOL
ETHERNET
EOL
RS485
POWER
SERIAL
PARALLEL
+27V
RS485
ADDRESS
FACP BUS
0V
0V +27V
SHD
-
+
SHD
-
+
-
FACP
0V
0V
FACP 0V
SHD
+
POWER
COMMS
MSB
+
-
+
5V
R36
R35
R11
R12
R13
R14
R16
R15
R21
R18
R24
C51
D6
U11
U6
CN3
U10
U12
R10
R9
R6
L6
L5
L2
L1
C45
C56C62
C68
C27
C24
C32
C26
C37
C34
C25
C41
C57
ZDN2
R5
C48
C33
R4
C20
C74
R19
R23
U9
U5
U8
TH1
TH2
R3
C63
ZD5
TH6
T1
R34
R33
R27
R22
R2
R32
Q1
M2
M3
L4
L3
U1
D1
D2
D8
C66
C60
C71
C65
C59
C70
C64
TB1
1 2 3 4
SW1
CN1
CN2
TB3
TB2
CN4
CN8
D7
CN7
C72
C47
C40
C61
C49
C50
C36
C31
C58
C53
C23
C18
C21
C17
C29
C30
C42
C14
C15
C46
C43
C35
C22
C28
D5
R8
R31
R20
R1
R30
R29
R26
RN7
RN3
RN4 RN5
RN6
RN2
U13
U3
U2
U7
U4
X1
ZD4
ZD6
ZD3
ZD1
C1
C16
C12
C7
C9
C8
C13
C10
C11
C6
LK2
TH5
TP2
TP1
C38
C67
C55
LK3
ZDN1
R28
C19
D3
R17
N1236
C73
C44
C52
M1
D4
R7
CN5
ZD2
C54
RN1
TP88
TP89
3.3V
R25
+
-
SHD
RS485
SERIAL
Figure 97: High Level Interface Expander PCB Layout
Software
The port supports the following protocols:-
HLI – Functionality matches the FireFinder (8510/8610) panel which supports text or positive ack
protocol. Configurable attributes are: logical output, physical output, alarm output, pre-alarm output,
fault output, disable output and descriptors
SmartGraphics interface - Serial Port or RS485 Port
MODBUS interface - Serial Port or RS485 Port
EV3000 - RS485 port
SmartGraphics
MODBUS
MODEM
SERIAL
PORT
EV3000
RS485
PORT
INTERNAL
COMMS
FACP
PORT
MODBUS
Database
EV3000
Database
MAIN
PROCESS
Figure 98: Software Block Diagram










