
Fabius
®
Function Description
2-50
Cop
yr
ight
2000 Dr
aeger
M
edical,
In
c.
sec2_
funcde
scr
ip_
b.fm
10.4
Power PCB
The Power PCB controls the piston pump, the electronic PEEP valve, the fan, the
ventilator motor, and the backlighting of the graphics display.
The Power PCB comprises the following components:
−
microcontroller
−
quartz oscillator
−
EPROM
−
latch
−
MOSFET amplifier for the motor
−
voltage transformer for the backlighting lamp
−
PEEP valve control
−
light barrier evaluation of the motor (limit switch)
−
system temperature monitoring and fan control
−
quadrature encoder
−
safety relay
Содержание Fabius 4116029
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