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LOOPSENSE EN54
INSTALLATION & COMMISSIONING
ALARMS STATUS
Illuminated steady if any of the alarm devices (sounders
and/or strobes) have been disabled and flashes if any of the alarm devices (sounders and/or
strobes) are in fault. Disable has priority over fault
FIRE OUTPUT STATUS
Illuminated steady if the fire output has been disabled and flashes if the fire
output is in fault (open or short circuit condition). Disable has priority over fault
TEST
Illuminated when the panel is in the
“Walk Test” mode.
ZONE 1
Illuminated when the associated zone1-32 is in alarm.
7.3
Liquid Crystal Display
LCD is used to display abnormal conditions and for interrogation, control and programming activities.
When the FACP is in its normal state a default screen is displayed.
Backlight (refer to EN54.2:1997: 12.8.5):
The associated backlight is energised;
In access level 1 during initialisation
for 1 hour if a new fire or fault event occurs
for 25 seconds following any key press, otherwise it shall be switched OFF.
In access level 2 or higher the backlight shall always be ON.
Alarm, Fault and Isolate information is accessed through the Main Menu.
FRONT
PANEL I/F
JTAG
LCD BACK
LIGHT
L
C
D
C
O
N
N
E
C
T
O
R
SILENCE
BUZZER
COMMS
PARALLEL
SERIAL
FAULT
BUZZER
PWR LINK
PWR LINK
KEY
SWITCH
PRINTER
RESET
CONFIG
DIAGNOSTIC
Zone 1-4
Zone 5-8
Zone 9-12
Zone 13-16
Zone 17-20
Zone 21-24
Zone 25-28
Zone 29-32
U2
U12
U14
R
N
1
7
RN13
RN1
8
RN14
RN19
D32
D31
D30
D29
D28
D27
D26
D25
D24
D23
D22
D21
D20
D19
D17
D16
D15
D14
D13
D1
C32
C33
R9
L2
L1
S
W
2
7
SW28
R19
Q6
R15
C5
R17
R20
R22
R29
C24
RN9
R24
R7
C12
C31
C
1
3
R12
Q4
+
BZ1
C18
C19
C37
C23
C15
C36
C10
C22
C20
C8
C14
C2
C25
C17
C35
C16
C28
C4
C26
C30
C27
C7
C3
C11
C29
C34
CN7
CN8
CN2
CN3
CN1
CN4
CN5
CN6
CN9
CN10
D2
D4
D5
D6
D7
D8
D
3
5
D39
D
3
4
D38
D46
D47
D40
D42
D43
D9
D10
D11
D12
D
3
7
D
3
6
D33
D48
D49
D18
LK1
Q5
Q3
Q2
Q7
R28
R18
R1
R14
R2
R11
R21
R25
R13
R27
R23
R26
R4
R3
R6
R5
R8
RN6
RN12
RN15
RN11
RN20
RN10
RN3
RN4
RN5
RN1
U6
U9
U13
U8
U3
U11
U1
C1
R10
RN2
U4
U5
C9
C21
U10
R16
Q1
U7
U16
RN16
U15
RN8
RN7
TH1
D45
D41
D44
N1236
D3
DELAY ACTIVE
ALARMS
PRE-ALARM
FIRE OUTPUT
FIRE
FAULT
DISABLED
ZONES 1 - 32
P W R
SYST
FLT
ETH
FLT
ALM
STAT
FIRE
O/P
TEST
Figure 7: Control Card PCB Layout