Mindray WATO EX-55Pro, Service Manual

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2-7
Pin No. Signal name Description
1) TXD_VPM2 Sent signal of VPM series port (reserved)
2) RXD_VPM2 Received signal of VPM series port (reserved)
3) 12VA +12V power supply
4) GND Ground
5) GND Ground
6) VPM_monitor_IO4 Status of drive gas selector valve
7) Driving_O2_control Monitoring signal of drive gas selector valve
8) 12VA +12V power supply
9) GND Ground
10) VF_Sensirion SENSIRION sensor output signal
11) TXD_VPM1 Sent signal of VPM series port (with main control board)
12) RXD_VPM1
Received signal of VPM series port (with main control
board)
13) TXD_VCM2 Sent signal of VCM series port (with calibration device)
14) RXD_VCM2
Received signal of VCM series port (with calibration
device)
15) GND Ground
16) 5V +5V power supply
17) 12VA +12V power supply
18) GND Ground
19) TXD_VCM1 Sent signal of VCM series port (with main control board)
20) RXD_VCM1
Received signal of VCM series port (with main control
board)
21) O2+ O2
22) O2- O2 sensor -
23) CO2_switch CO2 absorbent canister in-place switch
24) Huilu_switch Circuit switch
25) MANU_AUTO_switch Auto/manual switch
26) VPM_monitor_IO1 First reserved I/O monitoring signal of VPM
27) O2QIYUAN_switch Pressure switch at O2 supply inlet
28) VPM_control_IO2 Drive gas selector valve status 2
29) ACGO_switch ACGO switch
30) GND Ground
31) POWER_VERSION Reserved I/O monitoring signal of VPM
32) KUAI_O2 O2 flush switch
33) GND Ground
34) Qudongqiti_switch Drive gas pressure switch
35) VPEEP PEEP valve power supply
36) PEEP PEEP valve control signal
37) VXIQI Inspiration valve power supply
38) XIQI Inspiration valve control signal
39) VSAFE Safety valve power supply
40) SAFE Safety valve control signal