Ventilator Control and Drive Theory of Operation
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T23 -10V Negative Voltage -10V -10V
T24 A12V Analogue 12V 12V
T25 VCC Power 5V 5V
T26 5VAUX 5V Auxiliary 5V
T27 10V Analogue +10V +10V
T28 AD-Inhale Inhale-STATE feedback No activity may indicate
open connection from driver
to valve (ie. bad cable)
T29 AGND Analogue Ground
T30 GND Ground
T31 PAW Pressure inside air way 0.45-0.55 (open to
atmosphere)
T32 Manual Manual/Auto Valve feedback
Test Point Definition
DESIGNATOR NAME FUNCTION RANGE