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Time Functions: Real-Time Clock
Type Code Supervision
The FACP monitors addressable hardware device codes at slow intervals. Mismatch of any type
code, compared to the system program, will cause a device trouble.
System Alarm Verification
The control panel may be programmed to perform alarm verification to help eliminate the nuisance
of false alarms. Alarm verification applies to smoke detectors only.
Smoke Detector Data
Smoke detector data is monitored by the FACP, eliminating the need to test the sensitivity of each
detector at its location. A printout of each detector's data can be retrieved from the FACP using an
optional printer or Windows
should be monitored as part of a system's routine maintenance.
4.14 Time Functions: Real-Time Clock
The FACP includes a crystal-based clock that provides time of day, date and day of week. Time is
displayed as 12 or 24 hour time with month/day/year and is stored in RAM. Daylight savings time
change-over is programmable and automatic. If both AC and battery are lost, the time must be
reset.
4.15 NAC Operation
There are up to four programmable NACs (Notification Appliance Circuits) resident on the FACP
main circuit board. The NACs may be programmed as silenceable or nonsilenceable and may also
be programmed for steady or coded operation. Coded operation provides a choice between March
Time, Temporal, California coding and two-stage operation.
4.16 Synchronized NAC Operation
Synchronization is a panel feature that controls the activation of notification appliances in such a
way that all devices will turn on and off at exactly the same time. This is particularly critical when
activating strobes which must be synchronized to avoid random activation and a potential hazard or
confusion. The FACP can be programmed to operate with a variety of manufacturer's devices.
Important: When a Notification Appliance Circuit with a mix of audible and visual devices is
programmed for silenceable and the synchronization feature is selected, only the audible devices
will be turned off if the Silence key is pressed. The visual devices (strobes, etc.) will continue to
operate.
4.17 Coded Operation
The NAC circuits resident on the control panel main circuit board can be programmed for coded
operation. The available pulse rates which can be programmed for coded operation are as follows:
•
Continuous:
•
March Time:
•
Temporal Code:
•
California Code:
•
Two-Stage
MS-9600LS Series Manual — P/N 52646:B2 2/12/2010
©
HyperTerminal. Detector sensing ability can decrease with age and
Steady output with no pulsing
Pulses at 120 ppm (pulses per minute)
Pulses at ½ second On, ½ second Off, ½ second On, ½ second Off,
½ second On, 1½ second Off
10 seconds On, 5 seconds Off
Pulses at 20 ppm (pulses per minute) for 5 minutes and
then changes to Temporal
Operating Instructions
157
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