NFS2-640/E Operations Manual —
P/N 52743:F1 06/16/2011
21
Security Alarm Mode of Operation
Operation of the Control Panel
•
Returns to Normal operation (indicated by the “System Normal” message)
•
Sends a “System Normal” message to the LCD display, History buffer and installed printers,
FDU-80 annunciators, and CRT-2s
•
Restores troubles automatically - even if troubles are not acknowledged
If multiple trouble conditions exist in the system, the LCD and optional CRT-2 and FDU-80s
automatically step through each trouble every 3 seconds in the following order:
1.
Alarms, in order of address
2.
Supervisory, in order of address
3.
Troubles, in order of address
Press the
ACKNOWLEDGE
/
SCROLL
DISPLAY
key and the display stops on the current trouble event
for 1 minute, then begins to automatically step through remaining troubles. To manually step
through remaining troubles, press the
ACKNOWLEDGE
/
SCROLL
DISPLAY
key.
Refer to Appendix D, “Point and System Troubles Lists”, on page 68 for explanations of troubles
that appear on the display.
3.5 Security Alarm Mode of Operation
3.5.1 How the Control Panel Indicates a Security Alarm
The system goes into Security mode when a monitor module point programmed with a Security
Type Code activates. If no fire alarm exists, the control panel does the following:
•
Produces a warbling audible tone
•
Turns on the Security relay (TB5)
•
Flashes the
SECURITY
LED (blue)
•
Displays a Type Code that indicates the type of security alarm being generated
•
Displays
ACTIVE
in the status banner on the control panel, along with information specific to
the device
•
Sends a Security message to the LCD display, remote annunciators, history buffer, installed
printers, and CRT-2s.
•
Sends a Security message to the proprietary receiver via the network, if applicable.
A Typical security message that appears on LCD display:
Figure 3.7 Sample Security Alarm Message
NOTE:
If a fire alarm exists, and there are silenced alarms (the
SIGNALS
SILENCED
LED is
lighted), a Security alarm will resound the panel sounder.
A C T I V E S E C U R I T Y I N T E N S I V E C A R E U N I T
E A S T E R N W I N G Z 0 0 4 0 3 : 1 7 P 0 4 1 5 0 8 2 M 1 4 7
Status Banner
Type Code
Custom descriptor for
this device location
Device address
Time and date of trouble
Zone
Extended 12 character
custom label
