MAN2990-2
8
4
Firefinder Plus Installation & Cabling
The
SmartTerminal
is connected to the FACPs as shown below.
TERMINATION BOARD No.1 ( BRD82LTB2 )
SmartTerminal 1
SmartTerminal 2
(IF FITTED)
TO NEXT LCDA
MAXIMUM OF 30
LK1 MUST BE FITTED TO
THE LAST BOARD ON
THE COMMS BUS
TERMINATION BOARD No.2 ( BRD82LTB2 )
T O
LCD
T O
LCD
CN1
0 V
POWER OUT
POWER IN
+24V
RS485
IN
RS485
OUT
03/05/200
6
B
R
D
8
2
L
TB
2
-
TB2
TB1
TB4
TB3
LK1 NOT FITTED
C O M
-
+
C O M
-
+
0 V
+24V
CN1
0V
POWER OUT
POWER IN
+24V
RS485 IN
RS485 OUT
03/05/200
6
B
R
D
8
2
L
TB
2
-
TB2
TB1
TB4
TB3
COM
-
+
COM
-
+
0V
+24V
+24V
0 V
VDC
IN
VDC
OUT
CN18
RN17
RN20
LOOP
C
O
M
M
S
B
R
D
8
2
L
T
B
2
TB1
TB4
M1
M2
CN2
CN5
CN4
COMMUNICATIONS
EXTENDER BOARD
FACP MAIN
BOARD
RJ45
CABLE
TO AVAILABLE 27VDC
CONNECTOR (3 WAY)
SHIELDED COMMS CABLE
SHIELD
+24VDC
C15
C12
ZD2
ZD3
TH2
TH1
L2
L1
L6
RS485 OUT
C O M
-
+
TO NEXT SmartTerminal
or LED MIMIC
0 V
+24V
CN3
0 V
I N
27VDC
IN OUT
O U T
CN20
Main Panel
Figure 5: Connecting SmartTerminal to the Firefinder Plus FACP
4.1
SmartTerminal Termination Board Interconnection
Terminal Block
TB1 (RS485 OUT) TB2 (RS485 IN)
Purpose
1 (Pin Number)
RS485 +ve
2
RS485 -ve
3
SCREEN
Terminal Block
TB4 (27VDC OUT) TB3 (27VDC IN)
1 (Pin Number)
0V
2
+24VDC
4.2
FACP Comms
Communication Extender Board
Terminal Block TB1 (RS 485 OUT)
Purpose
1 (Pin Number)
RS485 +ve
2
RS485 -ve
3
SCREEN
Terminal Block
TB4 (27VDC OUT)Number
Purpose
1
0V
2
+24VDC
