Ventilator Control and Drive Theory of Operation
1 - 52 046-001141-00 A5/A3™ Service Manual
VCM Interface, J1
Pneumatic Assembly Interface, J2
PIN NAME FUNCTION
1 SAFE_VALVE Pressure Relief Valve Drive Signal
27VIN Inspiration Valve Drive Signal
3INSP_VALVE Inspiration Valve Drive Signal
4 7VIN PEEP Valve Drive Signal
5 PEEP_VALVE PEEP Valve Drive Signal
6SOLENOID_VALVE1Three-way Valve 1
7SOLENOID_VALVE2Three-way Valve 2
8SOLENOID_VALVE3Three-way Valve 3
9SOLENOID_VALVE4Three-way Valve 4
10 PNEUM_PRES_SW Pneumatic Block Pressure Switch Signal
11 NC No Connection
12 NC No Connection
13 O2_PRE_SW O2 Pressure Switch Signal at Gas Supply Inlet
14 MANU_AUTO_SW Auto/Manual Switch Signal
15 GND Ground
16 CO2_BYPASS_SW Circuit CO2 Absorber Canister Signal
17 O2+ O2 Concentration Signal
18 O2- O2 Concentration Signal
19 TXD_AUX_BRD VPM Serial Port Transmit Signal
20 RXD_AUX_BRD VPM Serial Port Receive Signal
21 GND Ground
22 RSVD Reserved
23 RSVD Reserved
24 RSVD Reserved
25 VF Differential Pressure Sensor Flow Signal
26 GND Ground
27 TXD_MON_BRD VCM Serial Port Transmit Signal
28 RXD_MON_BRD VCM Serial Port Receive Signal
29 12V 12V Power Supply
30 GND Ground
31 5V VCM Close Pressure Relief Valve Signal
32 5V 5V Power Supply
33 TXD_CALIBRATE Calibration Serial Port Transmit Signal
34 RXD_CALIBRATE Calibration Serial Port Receive Signal
35 GND Ground
36 12V 12V Power Supply
PIN NAME FUNCTION
1 7Vout Pressure Relief Valve Power Supply
2 SAFE_VALVE Pressure Relief Valve Drive Signal
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