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Normal Operation
4.3 Normal Operation
4.4 Trouble Operation
MS-9200UD PN 51906:A 12/10/02
With no alarms or troubles in the system, the display message is System All Normal
along with the current time and date as shown below. To set the time and date, refer to
the appropriate section in this manual.
FIRE-LITE ALARMS INC
SYSTEM ALL NORMAL
10:00A 012102
The MS-9200UD performs the following functions at regular intervals while in Normal
mode:
✓ Monitors AC input voltage and battery voltage
✓ Monitors and reports status of SLC loop, option cards and control panel
✓ Polls all devices on the SLC loop and flashes each device LED while checking
for valid replies, alarms, troubles, etc.
✓ Refreshes LCD display and updates time
✓ Scans control panel keypad for key presses
✓ Performs autotest for all SLC devices
✓ Tests memory
✓ Updates and reads all communications busses (EIA-485, EIA-232, etc.)
With no alarms in the system, the detection of a trouble will cause the following:
•
The piezo to pulse 1 second On and 1 second Off
•
The system Trouble LED to flash one second On and one second Off
•
The trouble relay to activate
•
TROUBL with device type, noun/adjective, address and trouble description will
appear on the LCD display
•
The same message, along with the time and date, is sent to the optional printer
and the history buffer.
•
Communicate the trouble conditions to the Central Station
•
Terminate upload or download communications
Note that specific troubles will initiate additional actions; for example, loss of AC
power will turn off the AC Power LED, a ground fault will turn on the Ground LED,
etc.
Operating Instructions
131
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