Mindray WATO EX-55Pro, Service Manual

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2-8
Definition of mother board J2 (pneumatic assembly port)
Pin No. Signal Name Discription
1) VSAFE Safety valve power supply
2) SAFE Safety valve control signal
3) VXIQI Inspiration valve power supply
4) XIQI Inspiration valve control signal
5) VPEEP PEEP valve power supply
6) PEEP PEEP valve control signal
7) Qudongqiti_switch Drive gas pressure switch
8) GND Ground
9) CO2_switch CO2 absorbent canister in-place switch
10) 12VA Power supply of drive gas selector valve
11) O2_DRIVING Drive gas selector valve control
12) O2QIYUAN_switch O2 pressure switch at gas source inlet
13) GND Ground
14) ACGO_switch Machinal ACGO status switch
15) MANU_AUTO_switch Auto/manual switch
16) GND Ground
17) Huilu_switch Circuit in-place switch
18) TXD_FLOW Sent signal of semi electronic flowmeter series port
19) RXD_FLOW Semi electronic flowmeter series port
20) GND Ground
21)
12VA_WATO_Flowmet
er
Semi electronic flowmeter 12V power supply
22) 12VA_Gasbench Infrared backplane 12V power supply
23) GND Ground
24) 3V3_Gasbench Infrared backplane power supply
25) GND Ground
26) RXD_HW_OR_JH
Received signal of three-slot infrared module rack series
port
27) TXD_HW_OR_JH Sent signal of three-slot infrared module rack series port
28) 12VA_Flow_backlight Flowmeter backlight, 12 V power supply
29) GND Ground
30) 12VA_AGmodule Power supply of interrior AG module
31) GND Ground
32) RXD_AG_232 Received signal of interrior AG module
33) TXD_AG_232 Sent signal of interrior AG module
34) 12VA_Gasbench_FAN Red line, power supply
35) Fan_State2 Yellow line, status signal
36) GND Ground
37) LED_BAT1 Battery indicator
38) LED_AC1 AC indicator
39) PCON+(3.3V) Power on/off circuit 3.3V
40) PCON- Power on/off signal
41) O2+ Anode of O2 sensor
42) O2- Cathode of O2 sensor
43) Temperature-R11 Thermistor 1 signal
44) Temperature-R12 Thermistor 1 signal
45) Temperature-R21 Thermistor 2 signal
46) Temperature-R22 Thermistor 2 signal
47) P15V Heater drive voltage
48) P15V Heater drive voltage
49) GND Ground