Ventilator Control and Drive Theory of Operation
1 - 66 046-001141-00 A5/A3™ Service Manual
FIGURE 1-54 Valve Drive Board, Bottom View
Proportional Valve and Pressure Relief Valve Drive Interface, J4
Power Supply Interface, J2
Status Monitor Detection Interface, J8
PIN NAME FUNCTION
1 7V Pressure Relief Valve Power Supply
2 SAFE_VALVE Pressure Relief Valve Control Signal
3 7V Inspiration Valve Power Supply
4 INSP_VALVE Inspiration Valve Control Signal
5 7V PEEP Valve Power Supply
6 PEEP_VALVE PEEP Valve Control Signal
PIN NAME FUNCTION
1GND Ground
2GND Ground
3 12V 12V Power Supply
PIN NAME FUNCTION
1GND Ground
2 PNEUM_PRE_SW Circuit block pressure Switch Signal
3GND Ground
4NC /
5GND Ground
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