Ampac FireFinder PLUS, Установка, пусконаладка и эксплуатация

Страница: 77 / 128

Page 70
12.14 Communications Extender Board
The Communications Extender Board (BRD82LTB-C) is mounted inside the FACP and provides
protected RS485 communications and 27VDC to the
SmartTerminal and other external modules.
CH16
CN18
RN17 RN20
L
O
O
P
C
O
MM
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
IN
27VDC
IN OUT
OUT
CN20
Figure 98: Communications Extender Board PCB Layout
12.15 SmartTerminal
SmartTerminal connects to the FireFinder Plus Fire Alarm Control Panel (FACP) via the RS485
Communications Extender Board. Generally it is designed to be used anywhere where the status of
the FACP is required to be monitored by local personnel and limited control is required. It can also be
tailored as a Nurse Fire Station (NFS).
SmartTerminal has been designed for use with the FireFinder PLUS
series of FACP’s.
➢
4 line by 40 character LCD with backlight and navigation buttons
 
buttons allow the
SmartTerminal to be used for FACP operation and interrogation. Note: the backlight is
only energised when alarms are present, a key has been pressed or controls enable key
switch is enabled
➢
Buzzer and system Reset.
➢
System expansion capabilities / options:
➢
A wide range of secure user functions. This includes the ability to disable / re-enable a
large number of system functions.
➢
Flush or surface mountable enclosure.
➢
Controls have tactile and audible feedback of operation.
➢
All terminals cater for 2.5mm cables.
➢
Reports events from devices that are accessible to the host FACP. For example if the
host FACP is configured with global access then the connected
SmartTerminal reports
events from all devices. If the host FACP is configured as local then the connected
SmartTerminal reports events from devices that are directly connected to the host FACP
12.15.1 Overview
SmartTerminal consists of two PCBs;
1.
A Termination Board mounted in each SmartTerminal to protect and interface the RS485
communications and 27VDC supply to the LCD Board
2.
BRD82ZICC
– Control, LCD Communications and LCD Driver Board

Note: A maximum of 30 Smart
Terminal’s / Nurse Fire Stations (NFS) may be connected to the
communications bus over a distance of approximately 1.2Kms. When fitting multiple SmartTerminals
consideration must be given to the 24V voltage drop due to cable loss and the need for external power
supplies for the SmartTerminals.