MS-9050 Series Manual — P/N 52413:F 10/22/2010 15
Controls and Indicators Product Description
Special Application Primary ANN-BUS Power - TB3
Nominal Operating Voltage: 24 VDC
Maximum Current (Terminals 1 & 2): 500 mA
Power-limited, supervised
Special Application Secondary ANN-BUS Power - ANN-SEC - TB1
Nominal Operating Voltage: 24 VDC
Maximum Current (Terminals 1 & 2): 500 mA
Power-limited, supervised
The following figure illustrates the maximum current that is possible for each major panel output
circuit and the total current available from the FACP.
1.3 Controls and Indicators
LCD Display
The FACP uses an 80-character
(4 lines X 20 characters) high viewing angle
LCD display. The display includes a long life
LED backlight that remains illuminated. If
AC power is lost and the system is not in
alarm, the LED backlight will turn off to con-
serve batteries.
NAC #1
NAC #2
2.5 amps max
per circuit
2.5 amps max
per circuit
Alarm
2.5 amps max
per panel
Primary
ANN-BUS
Standby
1.0 amp max
per panel
0.5 amp max
per circuit
ANN-SEC
Option Card
0.5 amp max
per circuit
Figure 1.1 Current Availability
powerdis9050.wmf
Refer to the battery calculations section for additional information.
Nonresettable/
Resettable Power
#1
#2
1.0 amp max
per circuit
1.0 amp max
per circuit
OR
SYSTEM ALL NORMAL
10:00A 092105
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