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4.3 Normal Operation
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.
The Unimode 9600 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(s), option cards and control panel
✓ Polls all devices on the SLC loop(s) 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.)
4.4 Trouble Operation
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.
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.
<BANNER>
SYSTEM ALL NORMAL
10:00A 010801